diff options
Diffstat (limited to 'tools/perf/util')
69 files changed, 931 insertions, 390 deletions
diff --git a/tools/perf/util/alias.c b/tools/perf/util/alias.c index b8144e80bb1e..e6d134773d0a 100644 --- a/tools/perf/util/alias.c +++ b/tools/perf/util/alias.c @@ -3,7 +3,8 @@ static const char *alias_key; static char *alias_val; -static int alias_lookup_cb(const char *k, const char *v, void *cb __used) +static int alias_lookup_cb(const char *k, const char *v, + void *cb __maybe_unused) { if (!prefixcmp(k, "alias.") && !strcmp(k+6, alias_key)) { if (!v) diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 3a282c0057d2..f0a910371377 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -17,6 +17,7 @@ #include <pthread.h> const char *disassembler_style; +const char *objdump_path; static struct ins *ins__find(const char *name); static int disasm_line__parse(char *line, char **namep, char **rawp); @@ -312,8 +313,8 @@ static struct ins_ops dec_ops = { .scnprintf = dec__scnprintf, }; -static int nop__scnprintf(struct ins *ins __used, char *bf, size_t size, - struct ins_operands *ops __used) +static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size, + struct ins_operands *ops __maybe_unused) { return scnprintf(bf, size, "%-6.6s", "nop"); } @@ -415,7 +416,7 @@ static struct ins *ins__find(const char *name) return bsearch(name, instructions, nmemb, sizeof(struct ins), ins__cmp); } -int symbol__annotate_init(struct map *map __used, struct symbol *sym) +int symbol__annotate_init(struct map *map __maybe_unused, struct symbol *sym) { struct annotation *notes = symbol__annotation(sym); pthread_mutex_init(¬es->lock, NULL); @@ -820,9 +821,10 @@ fallback: dso, dso->long_name, sym, sym->name); snprintf(command, sizeof(command), - "objdump %s%s --start-address=0x%016" PRIx64 + "%s %s%s --start-address=0x%016" PRIx64 " --stop-address=0x%016" PRIx64 " -d %s %s -C %s|grep -v %s|expand", + objdump_path ? objdump_path : "objdump", disassembler_style ? "-M " : "", disassembler_style ? disassembler_style : "", map__rip_2objdump(map, sym->start), @@ -982,7 +984,8 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx, int context) { struct dso *dso = map->dso; - const char *filename = dso->long_name, *d_filename; + char *filename; + const char *d_filename; struct annotation *notes = symbol__annotation(sym); struct disasm_line *pos, *queue = NULL; u64 start = map__rip_2objdump(map, sym->start); @@ -990,6 +993,10 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx, int more = 0; u64 len; + filename = strdup(dso->long_name); + if (!filename) + return -ENOMEM; + if (full_paths) d_filename = filename; else @@ -1040,6 +1047,8 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx, } } + free(filename); + return more; } diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index 78a5692dd718..9b5b21e7b032 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -7,6 +7,7 @@ #include "symbol.h" #include <linux/list.h> #include <linux/rbtree.h> +#include <pthread.h> struct ins; @@ -125,7 +126,7 @@ int symbol__alloc_hist(struct symbol *sym); void symbol__annotate_zero_histograms(struct symbol *sym); int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize); -int symbol__annotate_init(struct map *map __used, struct symbol *sym); +int symbol__annotate_init(struct map *map __maybe_unused, struct symbol *sym); int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx, bool full_paths, int min_pcnt, int max_lines, int context); @@ -138,11 +139,12 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx, int max_lines); #ifdef NO_NEWT_SUPPORT -static inline int symbol__tui_annotate(struct symbol *sym __used, - struct map *map __used, - int evidx __used, - void(*timer)(void *arg) __used, - void *arg __used, int delay_secs __used) +static inline int symbol__tui_annotate(struct symbol *sym __maybe_unused, + struct map *map __maybe_unused, + int evidx __maybe_unused, + void(*timer)(void *arg) __maybe_unused, + void *arg __maybe_unused, + int delay_secs __maybe_unused) { return 0; } @@ -152,5 +154,6 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx, #endif extern const char *disassembler_style; +extern const char *objdump_path; #endif /* __PERF_ANNOTATE_H */ diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c index fd9a5944b627..8e3a740ddbd4 100644 --- a/tools/perf/util/build-id.c +++ b/tools/perf/util/build-id.c @@ -16,10 +16,10 @@ #include "session.h" #include "tool.h" -static int build_id__mark_dso_hit(struct perf_tool *tool __used, +static int build_id__mark_dso_hit(struct perf_tool *tool __maybe_unused, union perf_event *event, - struct perf_sample *sample __used, - struct perf_evsel *evsel __used, + struct perf_sample *sample __maybe_unused, + struct perf_evsel *evsel __maybe_unused, struct machine *machine) { struct addr_location al; @@ -41,9 +41,10 @@ static int build_id__mark_dso_hit(struct perf_tool *tool __used, return 0; } -static int perf_event__exit_del_thread(struct perf_tool *tool __used, +static int perf_event__exit_del_thread(struct perf_tool *tool __maybe_unused, union perf_event *event, - struct perf_sample *sample __used, + struct perf_sample *sample + __maybe_unused, struct machine *machine) { struct thread *thread = machine__findnew_thread(machine, event->fork.tid); diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h index cff18c617d13..ab1769426541 100644 --- a/tools/perf/util/cache.h +++ b/tools/perf/util/cache.h @@ -39,7 +39,7 @@ static inline void setup_browser(bool fallback_to_pager) if (fallback_to_pager) setup_pager(); } -static inline void exit_browser(bool wait_for_ok __used) {} +static inline void exit_browser(bool wait_for_ok __maybe_unused) {} #else void setup_browser(bool fallback_to_pager); void exit_browser(bool wait_for_ok); @@ -49,7 +49,7 @@ static inline int ui__init(void) { return -1; } -static inline void ui__exit(bool wait_for_ok __used) {} +static inline void ui__exit(bool wait_for_ok __maybe_unused) {} #else int ui__init(void); void ui__exit(bool wait_for_ok); @@ -60,7 +60,7 @@ static inline int perf_gtk__init(void) { return -1; } -static inline void perf_gtk__exit(bool wait_for_ok __used) {} +static inline void perf_gtk__exit(bool wait_for_ok __maybe_unused) {} #else int perf_gtk__init(void); void perf_gtk__exit(bool wait_for_ok); diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c index 3a6bff47614f..d3b3f5d82137 100644 --- a/tools/perf/util/callchain.c +++ b/tools/perf/util/callchain.c @@ -93,7 +93,7 @@ __sort_chain_flat(struct rb_root *rb_root, struct callchain_node *node, */ static void sort_chain_flat(struct rb_root *rb_root, struct callchain_root *root, - u64 min_hit, struct callchain_param *param __used) + u64 min_hit, struct callchain_param *param __maybe_unused) { __sort_chain_flat(rb_root, &root->node, min_hit); } @@ -115,7 +115,7 @@ static void __sort_chain_graph_abs(struct callchain_node *node, static void sort_chain_graph_abs(struct rb_root *rb_root, struct callchain_root *chain_root, - u64 min_hit, struct callchain_param *param __used) + u64 min_hit, struct callchain_param *param __maybe_unused) { __sort_chain_graph_abs(&chain_root->node, min_hit); rb_root->rb_node = chain_root->node.rb_root.rb_node; @@ -140,7 +140,7 @@ static void __sort_chain_graph_rel(struct callchain_node *node, static void sort_chain_graph_rel(struct rb_root *rb_root, struct callchain_root *chain_root, - u64 min_hit __used, struct callchain_param *param) + u64 min_hit __maybe_unused, struct callchain_param *param) { __sort_chain_graph_rel(&chain_root->node, param->min_percent / 100.0); rb_root->rb_node = chain_root->node.rb_root.rb_node; diff --git a/tools/perf/util/cgroup.c b/tools/perf/util/cgroup.c index dbe2f16b1a1a..96bbda1ddb83 100644 --- a/tools/perf/util/cgroup.c +++ b/tools/perf/util/cgroup.c @@ -138,8 +138,8 @@ void close_cgroup(struct cgroup_sel *cgrp) } } -int parse_cgroups(const struct option *opt __used, const char *str, - int unset __used) +int parse_cgroups(const struct option *opt __maybe_unused, const char *str, + int unset __maybe_unused) { struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; const char *p, *e, *eos = str + strlen(str); diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c index 6faa3a18bfbd..3e0fdd369ccb 100644 --- a/tools/perf/util/config.c +++ b/tools/perf/util/config.c @@ -342,13 +342,15 @@ const char *perf_config_dirname(const char *name, const char *value) return value; } -static int perf_default_core_config(const char *var __used, const char *value __used) +static int perf_default_core_config(const char *var __maybe_unused, + const char *value __maybe_unused) { /* Add other config variables here. */ return 0; } -int perf_default_config(const char *var, const char *value, void *dummy __used) +int perf_default_config(const char *var, const char *value, + void *dummy __maybe_unused) { if (!prefixcmp(var, "core.")) return perf_default_core_config(var, value); diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c index adc72f09914d..2b32ffa9ebdb 100644 --- a/tools/perf/util/cpumap.c +++ b/tools/perf/util/cpumap.c @@ -38,24 +38,19 @@ static struct cpu_map *cpu_map__trim_new(int nr_cpus, int *tmp_cpus) return cpus; } -static struct cpu_map *cpu_map__read_all_cpu_map(void) +struct cpu_map *cpu_map__read(FILE *file) { struct cpu_map *cpus = NULL; - FILE *onlnf; int nr_cpus = 0; int *tmp_cpus = NULL, *tmp; int max_entries = 0; int n, cpu, prev; char sep; - onlnf = fopen("/sys/devices/system/cpu/online", "r"); - if (!onlnf) - return cpu_map__default_new(); - sep = 0; prev = -1; for (;;) { - n = fscanf(onlnf, "%u%c", &cpu, &sep); + n = fscanf(file, "%u%c", &cpu, &sep); if (n <= 0) break; if (prev >= 0) { @@ -95,6 +90,19 @@ static struct cpu_map *cpu_map__read_all_cpu_map(void) cpus = cpu_map__default_new(); out_free_tmp: free(tmp_cpus); + return cpus; +} + +static struct cpu_map *cpu_map__read_all_cpu_map(void) +{ + struct cpu_map *cpus = NULL; + FILE *onlnf; + + onlnf = fopen("/sys/devices/system/cpu/online", "r"); + if (!onlnf) + return cpu_map__default_new(); + + cpus = cpu_map__read(onlnf); fclose(onlnf); return cpus; } diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h index c41518573c6a..17b5264f6436 100644 --- a/tools/perf/util/cpumap.h +++ b/tools/perf/util/cpumap.h @@ -11,7 +11,7 @@ struct cpu_map { struct cpu_map *cpu_map__new(const char *cpu_list); struct cpu_map *cpu_map__dummy_new(void); void cpu_map__delete(struct cpu_map *map); - +struct cpu_map *cpu_map__read(FILE *file); size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp); #endif /* __PERF_CPUMAP_H */ diff --git a/tools/perf/util/debug.h b/tools/perf/util/debug.h index 05e660cbf7e2..bb2e7d1007ab 100644 --- a/tools/perf/util/debug.h +++ b/tools/perf/util/debug.h @@ -16,19 +16,20 @@ struct ui_progress; struct perf_error_ops; #if defined(NO_NEWT_SUPPORT) && defined(NO_GTK2_SUPPORT) -static inline void ui_progress__update(u64 curr __used, u64 total __used, - const char *title __used) {} +static inline void ui_progress__update(u64 curr __maybe_unused, + u64 total __maybe_unused, + const char *title __maybe_unused) {} #define ui__error(format, arg...) ui__warning(format, ##arg) static inline int -perf_error__register(struct perf_error_ops *eops __used) +perf_error__register(struct perf_error_ops *eops __maybe_unused) { return 0; } static inline int -perf_error__unregister(struct perf_error_ops *eops __used) +perf_error__unregister(struct perf_error_ops *eops __maybe_unused) { return 0; } diff --git a/tools/perf/util/dso-test-data.c b/tools/perf/util/dso-test-data.c index 541cdc72c7df..c6caedeb1d6b 100644 --- a/tools/perf/util/dso-test-data.c +++ b/tools/perf/util/dso-test-data.c @@ -23,7 +23,7 @@ static char *test_file(int size) int fd, i; unsigned char *buf; - fd = mkostemp(templ, O_CREAT|O_WRONLY|O_TRUNC); + fd = mkstemp(templ); buf = malloc(size); if (!buf) { diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 3a0f1a5da91c..6715b1938725 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -112,7 +112,7 @@ static pid_t perf_event__synthesize_comm(struct perf_tool *tool, event->comm.header.type = PERF_RECORD_COMM; size = strlen(event->comm.comm) + 1; - size = ALIGN(size, sizeof(u64)); + size = PERF_ALIGN(size, sizeof(u64)); memset(event->comm.comm + size, 0, machine->id_hdr_size); event->comm.header.size = (sizeof(event->comm) - (sizeof(event->comm.comm) - size) + @@ -120,7 +120,9 @@ static pid_t perf_event__synthesize_comm(struct perf_tool *tool, if (!full) { event->comm.tid = pid; - process(tool, event, &synth_sample, machine); + if (process(tool, event, &synth_sample, machine) != 0) + return -1; + goto out; } @@ -143,7 +145,7 @@ static pid_t perf_event__synthesize_comm(struct perf_tool *tool, sizeof(event->comm.comm)); size = strlen(event->comm.comm) + 1; - size = ALIGN(size, sizeof(u64)); + size = PERF_ALIGN(size, sizeof(u64)); memset(event->comm.comm + size, 0, machine->id_hdr_size); event->comm.header.size = (sizeof(event->comm) - (sizeof(event->comm.comm) - size) + @@ -151,7 +153,10 @@ static pid_t perf_event__synthesize_comm(struct perf_tool *tool, event->comm.tid = pid; - process(tool, event, &synth_sample, machine); + if (process(tool, event, &synth_sample, machine) != 0) { + tgid = -1; + break; + } } closedir(tasks); @@ -167,6 +172,7 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool, { char filename[PATH_MAX]; FILE *fp; + int rc = 0; snprintf(filename, sizeof(filename), "/proc/%d/maps", pid); @@ -222,7 +228,7 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool, size = strlen(execname); execname[size - 1] = '\0'; /* Remove \n */ memcpy(event->mmap.filename, execname, size); - size = ALIGN(size, sizeof(u64)); + size = PERF_ALIGN(size, sizeof(u64)); event->mmap.len -= event->mmap.start; event->mmap.header.size = (sizeof(event->mmap) - (sizeof(event->mmap.filename) - size)); @@ -231,18 +237,22 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool, event->mmap.pid = tgid; event->mmap.tid = pid; - process(tool, event, &synth_sample, machine); + if (process(tool, event, &synth_sample, machine) != 0) { + rc = -1; + break; + } } } fclose(fp); - return 0; + return rc; } int perf_event__synthesize_modules(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine) { + int rc = 0; struct rb_node *nd; struct map_groups *kmaps = &machine->kmaps; union perf_event *event = zalloc((sizeof(event->mmap) + @@ -272,7 +282,7 @@ int perf_event__synthesize_modules(struct perf_tool *tool, if (pos->dso->kernel) continue; - size = ALIGN(pos->dso->long_name_len + 1, sizeof(u64)); + size = PERF_ALIGN(pos->dso->long_name_len + 1, sizeof(u64)); event->mmap.header.type = PERF_RECORD_MMAP; event->mmap.header.size = (sizeof(event->mmap) - (sizeof(event->mmap.filename) - size)); @@ -284,11 +294,14 @@ int perf_event__synthesize_modules(struct perf_tool *tool, memcpy(event->mmap.filename, pos->dso->long_name, pos->dso->long_name_len + 1); - process(tool, event, &synth_sample, machine); + if (process(tool, event, &synth_sample, machine) != 0) { + rc = -1; + break; + } } free(event); - return 0; + return rc; } static int __event__synthesize_thread(union perf_event *comm_event, @@ -392,12 +405,16 @@ int perf_event__synthesize_threads(struct perf_tool *tool, if (*end) /* only interested in proper numerical dirents */ continue; - __event__synthesize_thread(comm_event, mmap_event, pid, 1, - process, tool, machine); + if (__event__synthesize_thread(comm_event, mmap_event, pid, 1, + process, tool, machine) != 0) { + err = -1; + goto out_closedir; + } } - closedir(proc); err = 0; +out_closedir: + closedir(proc); out_free_mmap: free(mmap_event); out_free_comm: @@ -477,7 +494,7 @@ int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, map = machine->vmlinux_maps[MAP__FUNCTION]; size = snprintf(event->mmap.filename, sizeof(event->mmap.filename), "%s%s", mmap_name, symbol_name) + 1; - size = ALIGN(size, sizeof(u64)); + size = PERF_ALIGN(size, sizeof(u64)); event->mmap.header.type = PERF_RECORD_MMAP; event->mmap.header.size = (sizeof(event->mmap) - (sizeof(event->mmap.filename) - size) + machine->id_hdr_size); @@ -497,9 +514,9 @@ size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp) return fprintf(fp, ": %s:%d\n", event->comm.comm, event->comm.tid); } -int perf_event__process_comm(struct perf_tool *tool __used, +int perf_event__process_comm(struct perf_tool *tool __maybe_unused, union perf_event *event, - struct perf_sample *sample __used, + struct perf_sample *sample __maybe_unused, struct machine *machine) { struct thread *thread = machine__findnew_thread(machine, event->comm.tid); @@ -515,10 +532,10 @@ int perf_event__process_comm(struct perf_tool *tool __used, return 0; } -int perf_event__process_lost(struct perf_tool *tool __used, +int perf_event__process_lost(struct perf_tool *tool __maybe_unused, union perf_event *event, - struct perf_sample *sample __used, - struct machine *machine __used) + struct perf_sample *sample __maybe_unused, + struct machine *machine __maybe_unused) { dump_printf(": id:%" PRIu64 ": lost:%" PRIu64 "\n", event->lost.id, event->lost.lost); @@ -538,7 +555,8 @@ static void perf_event__set_kernel_mmap_len(union perf_event *event, maps[MAP__FUNCTION]->end = ~0ULL; } -static int perf_event__process_kernel_mmap(struct perf_tool *tool __used, +static int perf_event__process_kernel_mmap(struct perf_tool *tool + __maybe_unused, union perf_event *event, struct machine *machine) { @@ -640,7 +658,7 @@ size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp) int perf_event__process_mmap(struct perf_tool *tool, union perf_event *event, - struct perf_sample *sample __used, + struct perf_sample *sample __maybe_unused, struct machine *machine) { struct thread *thread; @@ -684,9 +702,9 @@ size_t perf_event__fprintf_task(union perf_event *event, FILE *fp) event->fork.ppid, event->fork.ptid); } -int perf_event__process_task(struct perf_tool *tool __used, +int perf_event__process_task(struct perf_tool *tool __maybe_unused, union perf_event *event, - struct perf_sample *sample __used, + struct perf_sample *sample __maybe_unused, struct machine *machine) { struct thread *thread = machine__findnew_thread(machine, event->fork.tid); @@ -886,8 +904,9 @@ int perf_event__preprocess_sample(const union perf_event *event, al->sym = map__find_symbol(al->map, al->addr, filter); } - if (symbol_conf.sym_list && al->sym && - !strlist__has_entry(symbol_conf.sym_list, al->sym->name)) + if (symbol_conf.sym_list && + (!al->sym || !strlist__has_entry(symbol_conf.sym_list, + al->sym->name))) goto out_filtered; return 0; diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index 0e088d046e56..21b99e741a87 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -101,7 +101,7 @@ struct perf_sample { struct build_id_event { struct perf_event_header header; pid_t pid; - u8 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))]; + u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))]; char filename[]; }; diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 4774ac1e3d5f..892353729c7a 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -889,3 +889,16 @@ int perf_evlist__parse_sample(struct perf_evlist *evlist, union perf_event *even struct perf_evsel *evsel = perf_evlist__first(evlist); return perf_evsel__parse_sample(evsel, event, sample, swapped); } + +size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp) +{ + struct perf_evsel *evsel; + size_t printed = 0; + + list_for_each_entry(evsel, &evlist->entries, node) { + printed += fprintf(fp, "%s%s", evsel->idx ? ", " : "", + perf_evsel__name(evsel)); + } + + return printed + fprintf(fp, "\n");; +} diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index 2ed255792c6b..3f2e1e4ccdd5 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -143,4 +143,6 @@ static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist) { return list_entry(evlist->entries.prev, struct perf_evsel, node); } + +size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp); #endif /* __PERF_EVLIST_H */ diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 7ff3c8fb736c..1506ba0453f1 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -10,6 +10,7 @@ #include <byteswap.h> #include <linux/bitops.h> #include "asm/bug.h" +#include "event-parse.h" #include "evsel.h" #include "evlist.h" #include "util.h" @@ -68,7 +69,7 @@ struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx) return evsel; } -static const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX] = { +const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX] = { "cycles", "instructions", "cache-references", @@ -131,12 +132,12 @@ static int perf_evsel__hw_name(struct perf_evsel *evsel, char *bf, size_t size) return r + perf_evsel__add_modifiers(evsel, bf + r, size - r); } -static const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX] = { +const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX] = { "cpu-clock", "task-clock", "page-faults", "context-switches", - "CPU-migrations", + "cpu-migrations", "minor-faults", "major-faults", "alignment-faults", @@ -1000,3 +1001,37 @@ int perf_event__synthesize_sample(union perf_event *event, u64 type, return 0; } + +char *perf_evsel__strval(struct perf_evsel *evsel, struct perf_sample *sample, + const char *name) +{ + struct format_field *field = pevent_find_field(evsel->tp_format, name); + int offset; + + if (!field) + return NULL; + + offset = field->offset; + + if (field->flags & FIELD_IS_DYNAMIC) { + offset = *(int *)(sample->raw_data + field->offset); + offset &= 0xffff; + } + + return sample->raw_data + offset; +} + +u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample, + const char *name) +{ + struct format_field *field = pevent_find_field(evsel->tp_format, name); + u64 val; + + if (!field) + return 0; + + val = pevent_read_number(evsel->tp_format->pevent, + sample->raw_data + field->offset, field->size); + return val; + +} diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 94f6ba16747f..93876bad2e52 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -66,6 +66,7 @@ struct perf_evsel { void *func; void *data; } handler; + struct cpu_map *cpus; unsigned int sample_size; bool supported; /* parse modifier helper */ @@ -97,8 +98,10 @@ extern const char *perf_evsel__hw_cache[PERF_COUNT_HW_CACHE_MAX] [PERF_EVSEL__MAX_ALIASES]; extern const char *perf_evsel__hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX] [PERF_EVSEL__MAX_ALIASES]; -const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX] - [PERF_EVSEL__MAX_ALIASES]; +extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX] + [PERF_EVSEL__MAX_ALIASES]; +extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX]; +extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX]; int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result, char *bf, size_t size); const char *perf_evsel__name(struct perf_evsel *evsel); @@ -118,10 +121,24 @@ int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus, struct thread_map *threads); void perf_evsel__close(struct perf_evsel *evsel, int ncpus, int nthreads); +struct perf_sample; + +char *perf_evsel__strval(struct perf_evsel *evsel, struct perf_sample *sample, + const char *name); +u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample, + const char *name); + #define perf_evsel__match(evsel, t, c) \ (evsel->attr.type == PERF_TYPE_##t && \ evsel->attr.config == PERF_COUNT_##c) +static inline bool perf_evsel__match2(struct perf_evsel *e1, + struct perf_evsel *e2) +{ + return (e1->attr.type == e2->attr.type) && + (e1->attr.config == e2->attr.config); +} + int __perf_evsel__read_on_cpu(struct perf_evsel *evsel, int cpu, int thread, bool scale); diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 9696e64c9dbd..acbf6336199e 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -21,6 +21,7 @@ #include "debug.h" #include "cpumap.h" #include "pmu.h" +#include "vdso.h" static bool no_buildid_cache = false; @@ -129,7 +130,7 @@ static int do_write_string(int fd, const char *str) int ret; olen = strlen(str) + 1; - len = ALIGN(olen, NAME_ALIGN); + len = PERF_ALIGN(olen, NAME_ALIGN); /* write len, incl. \0 */ ret = do_write(fd, &len, sizeof(len)); @@ -207,6 +208,29 @@ perf_header__set_cmdline(int argc, const char **argv) continue; \ else +static int write_buildid(char *name, size_t name_len, u8 *build_id, + pid_t pid, u16 misc, int fd) +{ + int err; + struct build_id_event b; + size_t len; + + len = name_len + 1; + len = PERF_ALIGN(len, NAME_ALIGN); + + memset(&b, 0, sizeof(b)); + memcpy(&b.build_id, build_id, BUILD_ID_SIZE); + b.pid = pid; + b.header.misc = misc; + b.header.size = sizeof(b) + len; + + err = do_write(fd, &b, sizeof(b)); + if (err < 0) + return err; + + return write_padded(fd, name, name_len + 1, len); +} + static int __dsos__write_buildid_table(struct list_head *head, pid_t pid, u16 misc, int fd) { @@ -214,24 +238,23 @@ static int __dsos__write_buildid_table(struct list_head *head, pid_t pid, dsos__for_each_with_build_id(pos, head) { int err; - struct build_id_event b; - size_t len; + char *name; + size_t name_len; if (!pos->hit) continue; - len = pos->long_name_len + 1; - len = ALIGN(len, NAME_ALIGN); - memset(&b, 0, sizeof(b)); - memcpy(&b.build_id, pos->build_id, sizeof(pos->build_id)); - b.pid = pid; - b.header.misc = misc; - b.header.size = sizeof(b) + len; - err = do_write(fd, &b, sizeof(b)); - if (err < 0) - return err; - err = write_padded(fd, pos->long_name, - pos->long_name_len + 1, len); - if (err < 0) + + if (is_vdso_map(pos->short_name)) { + name = (char *) VDSO__MAP_NAME; + name_len = sizeof(VDSO__MAP_NAME) + 1; + } else { + name = pos->long_name; + name_len = pos->long_name_len + 1; + } + + err = write_buildid(name, name_len, pos->build_id, + pid, misc, fd); + if (err) return err; } @@ -277,19 +300,20 @@ static int dsos__write_buildid_table(struct perf_header *header, int fd) } int build_id_cache__add_s(const char *sbuild_id, const char *debugdir, - const char *name, bool is_kallsyms) + const char *name, bool is_kallsyms, bool is_vdso) { const size_t size = PATH_MAX; char *realname, *filename = zalloc(size), *linkname = zalloc(size), *targetname; int len, err = -1; + bool slash = is_kallsyms || is_vdso; if (is_kallsyms) { if (symbol_conf.kptr_restrict) { pr_debug("Not caching a kptr_restrict'ed /proc/kallsyms\n"); return 0; } - realname = (char *)name; + realname = (char *) name; } else realname = realpath(name, NULL); @@ -297,7 +321,8 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir, goto out_free; len = scnprintf(filename, size, "%s%s%s", - debugdir, is_kallsyms ? "/" : "", realname); + debugdir, slash ? "/" : "", + is_vdso ? VDSO__MAP_NAME : realname); if (mkdir_p(filename, 0755)) goto out_free; @@ -333,13 +358,14 @@ out_free: static int build_id_cache__add_b(const u8 *build_id, size_t build_id_size, const char *name, const char *debugdir, - bool is_kallsyms) + bool is_kallsyms, bool is_vdso) { char sbuild_id[BUILD_ID_SIZE * 2 + 1]; build_id__sprintf(build_id, build_id_size, sbuild_id); - return build_id_cache__add_s(sbuild_id, debugdir, name, is_kallsyms); + return build_id_cache__add_s(sbuild_id, debugdir, name, + is_kallsyms, is_vdso); } int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir) @@ -383,9 +409,11 @@ out_free: static int dso__cache_build_id(struct dso *dso, const char *debugdir) { bool is_kallsyms = dso->kernel && dso->long_name[0] != '/'; + bool is_vdso = is_vdso_map(dso->short_name); return build_id_cache__add_b(dso->build_id, sizeof(dso->build_id), - dso->long_name, debugdir, is_kallsyms); + dso->long_name, debugdir, + is_kallsyms, is_vdso); } static int __dsos__cache_build_ids(struct list_head *head, const char *debugdir) @@ -447,7 +475,7 @@ static bool perf_session__read_build_ids(struct perf_session *session, bool with return ret; } -static int write_tracing_data(int fd, struct perf_header *h __used, +static int write_tracing_data(int fd, struct perf_header *h __maybe_unused, struct perf_evlist *evlist) { return read_tracing_data(fd, &evlist->entries); @@ -455,7 +483,7 @@ static int write_tracing_data(int fd, struct perf_header *h __used, static int write_build_id(int fd, struct perf_header *h, - struct perf_evlist *evlist __used) + struct perf_evlist *evlist __maybe_unused) { struct perf_session *session; int err; @@ -476,8 +504,8 @@ static int write_build_id(int fd, struct perf_header *h, return 0; } -static int write_hostname(int fd, struct perf_header *h __used, - struct perf_evlist *evlist __used) +static int write_hostname(int fd, struct perf_header *h __maybe_unused, + struct perf_evlist *evlist __maybe_unused) { struct utsname uts; int ret; @@ -489,8 +517,8 @@ static int write_hostname(int fd, struct perf_header *h __used, return do_write_string(fd, uts.nodename); } -static int write_osrelease(int fd, struct perf_header *h __used, - struct perf_evlist *evlist __used) +static int write_osrelease(int fd, struct perf_header *h __maybe_unused, + struct perf_evlist *evlist __maybe_unused) { struct utsname uts; int ret; @@ -502,8 +530,8 @@ static int write_osrelease(int fd, struct perf_header *h __used, return do_write_string(fd, uts.release); } -static int write_arch(int fd, struct perf_header *h __used, - struct perf_evlist *evlist __used) +static int write_arch(int fd, struct perf_header *h __maybe_unused, + struct perf_evlist *evlist __maybe_unused) { struct utsname uts; int ret; @@ -515,14 +543,14 @@ static int write_arch(int fd, struct perf_header *h __used, return do_write_string(fd, uts.machine); } -static int write_version(int fd, struct perf_header *h __used, - struct perf_evlist *evlist __used) +static int write_version(int fd, struct perf_header *h __maybe_unused, + struct perf_evlist *evlist __maybe_unused) { return do_write_string(fd, perf_version_string); } -static int write_cpudesc(int fd, struct perf_header *h __used, - struct perf_evlist *evlist __used) +static int write_cpudesc(int fd, struct perf_header *h __maybe_unused, + struct perf_evlist *evlist __maybe_unused) { #ifndef CPUINFO_PROC #define CPUINFO_PROC NULL @@ -580,8 +608,8 @@ done: return ret; } -static int write_nrcpus(int fd, struct perf_header *h __used, - struct perf_evlist *evlist __used) +static int write_nrcpus(int fd, struct perf_header *h __maybe_unused, + struct perf_evlist *evlist __maybe_unused) { long nr; u32 nrc, nra; @@ -606,15 +634,14 @@ static int write_nrcpus(int fd, struct perf_header *h __used, return do_write(fd, &nra, sizeof(nra)); } -static int write_event_desc(int fd, struct perf_header *h __used, +static int write_event_desc(int fd, struct perf_header *h __maybe_unused, struct perf_evlist *evlist) { struct perf_evsel *evsel; - u32 nre = 0, nri, sz; + u32 nre, nri, sz; int ret; - list_for_each_entry(evsel, &evlist->entries, node) - nre++; + nre = evlist->nr_entries; /* * write number of events @@ -664,8 +691,8 @@ static int write_event_desc(int fd, struct perf_header *h __used, return 0; } -static int write_cmdline(int fd, struct perf_header *h __used, - struct perf_evlist *evlist __used) +static int write_cmdline(int fd, struct perf_header *h __maybe_unused, + struct perf_evlist *evlist __maybe_unused) { char buf[MAXPATHLEN]; char proc[32]; @@ -833,8 +860,8 @@ static struct cpu_topo *build_cpu_topology(void) return tp; } -static int write_cpu_topology(int fd, struct perf_header *h __used, - struct perf_evlist *evlist __used) +static int write_cpu_topology(int fd, struct perf_header *h __maybe_unused, + struct perf_evlist *evlist __maybe_unused) { struct cpu_topo *tp; u32 i; @@ -869,8 +896,8 @@ done: -static int write_total_mem(int fd, struct perf_header *h __used, - struct perf_evlist *evlist __used) +static int write_total_mem(int fd, struct perf_header *h __maybe_unused, + struct perf_evlist *evlist __maybe_unused) { char *buf = NULL; FILE *fp; @@ -955,8 +982,8 @@ done: return ret; } -static int write_numa_topology(int fd, struct perf_header *h __used, - struct perf_evlist *evlist __used) +static int write_numa_topology(int fd, struct perf_header *h __maybe_unused, + struct perf_evlist *evlist __maybe_unused) { char *buf = NULL; size_t len = 0; @@ -1016,8 +1043,8 @@ done: * }; */ -static int write_pmu_mappings(int fd, struct perf_header *h __used, - struct perf_evlist *evlist __used) +static int write_pmu_mappings(int fd, struct perf_header *h __maybe_unused, + struct perf_evlist *evlist __maybe_unused) { struct perf_pmu *pmu = NULL; off_t offset = lseek(fd, 0, SEEK_CUR); @@ -1047,13 +1074,14 @@ static int write_pmu_mappings(int fd, struct perf_header *h __used, * default get_cpuid(): nothing gets recorded * actual implementation must be in arch/$(ARCH)/util/header.c */ -int __attribute__((weak)) get_cpuid(char *buffer __used, size_t sz __used) +int __attribute__ ((weak)) get_cpuid(char *buffer __maybe_unused, + size_t sz __maybe_unused) { return -1; } -static int write_cpuid(int fd, struct perf_header *h __used, - struct perf_evlist *evlist __used) +static int write_cpuid(int fd, struct perf_header *h __maybe_unused, + struct perf_evlist *evlist __maybe_unused) { char buffer[64]; int ret; @@ -1067,8 +1095,9 @@ write_it: return do_write_string(fd, buffer); } -static int write_branch_stack(int fd __used, struct perf_header *h __used, - struct perf_evlist *evlist __used) +static int write_branch_stack(int fd __maybe_unused, + struct perf_header *h __maybe_unused, + struct perf_evlist *evlist __maybe_unused) { return 0; } @@ -1345,7 +1374,8 @@ static void print_event_desc(struct perf_header *ph, int fd, FILE *fp) free_event_desc(events); } -static void print_total_mem(struct perf_header *h __used, int fd, FILE *fp) +static void print_total_mem(struct perf_header *h __maybe_unused, int fd, + FILE *fp) { uint64_t mem; ssize_t ret; @@ -1363,7 +1393,8 @@ error: fprintf(fp, "# total memory : unknown\n"); } -static void print_numa_topology(struct perf_header *h __used, int fd, FILE *fp) +static void print_numa_topology(struct perf_header *h __maybe_unused, int fd, + FILE *fp) { ssize_t ret; u32 nr, c, i; @@ -1423,7 +1454,8 @@ static void print_cpuid(struct perf_header *ph, int fd, FILE *fp) free(str); } -static void print_branch_stack(struct perf_header *ph __used, int fd __used, +static void print_branch_stack(struct perf_header *ph __maybe_unused, + int fd __maybe_unused, FILE *fp) { fprintf(fp, "# contains samples with branch stack\n"); @@ -1441,6 +1473,9 @@ static void print_pmu_mappings(struct perf_header *ph, int fd, FILE *fp) if (ret != sizeof(pmu_num)) goto error; + if (ph->needs_swap) + pmu_num = bswap_32(pmu_num); + if (!pmu_num) { fprintf(fp, "# pmu mappings: not available\n"); return; @@ -1449,6 +1484,9 @@ static void print_pmu_mappings(struct perf_header *ph, int fd, FILE *fp) while (pmu_num) { if (read(fd, &type, sizeof(type)) != sizeof(type)) break; + if (ph->needs_swap) + type = bswap_32(type); + name = do_read_string(fd, ph); if (!name) break; @@ -1527,7 +1565,7 @@ static int perf_header__read_build_ids_abi_quirk(struct perf_header *header, struct perf_session *session = container_of(header, struct perf_session, header); struct { struct perf_event_header header; - u8 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))]; + u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))]; char filename[0]; } old_bev; struct build_id_event bev; @@ -1616,9 +1654,10 @@ out: return err; } -static int process_tracing_data(struct perf_file_section *section __unused, - struct perf_header *ph __unused, - int feat __unused, int fd, void *data) +static int process_tracing_data(struct perf_file_section *section + __maybe_unused, + struct perf_header *ph __maybe_unused, + int feat __maybe_unused, int fd, void *data) { trace_report(fd, data, false); return 0; @@ -1626,7 +1665,8 @@ static int process_tracing_data(struct perf_file_section *section __unused, static int process_build_id(struct perf_file_section *section, struct perf_header *ph, - int feat __unused, int fd, void *data __used) + int feat __maybe_unused, int fd, + void *data __maybe_unused) { if (perf_header__read_build_ids(ph, fd, section->offset, section->size)) pr_debug("Failed to read buildids, continuing...\n"); @@ -1665,9 +1705,9 @@ perf_evlist__set_event_name(struct perf_evlist *evlist, struct perf_evsel *event } static int -process_event_desc(struct perf_file_section *section __unused, - struct perf_header *header, int feat __unused, int fd, - void *data __used) +process_event_desc(struct perf_file_section *section __maybe_unused, + struct perf_header *header, int feat __maybe_unused, int fd, + void *data __maybe_unused) { struct perf_session *session = container_of(header, struct perf_session, header); struct perf_evsel *evsel, *events = read_event_desc(header, fd); @@ -2290,33 +2330,39 @@ static int read_attr(int fd, struct perf_header *ph, return ret <= 0 ? -1 : 0; } -static int perf_evsel__set_tracepoint_name(struct perf_evsel *evsel, - struct pevent *pevent) +static int perf_evsel__prepare_tracepoint_event(struct perf_evsel *evsel, + struct pevent *pevent) { - struct event_format *event = pevent_find_event(pevent, - evsel->attr.config); + struct event_format *event; char bf[128]; + /* already prepared */ + if (evsel->tp_format) + return 0; + + event = pevent_find_event(pevent, evsel->attr.config); if (event == NULL) return -1; - snprintf(bf, sizeof(bf), "%s:%s", event->system, event->name); - evsel->name = strdup(bf); - if (event->name == NULL) - return -1; + if (!evsel->name) { + snprintf(bf, sizeof(bf), "%s:%s", event->system, event->name); + evsel->name = strdup(bf); + if (evsel->name == NULL) + return -1; + } evsel->tp_format = event; return 0; } -static int perf_evlist__set_tracepoint_names(struct perf_evlist *evlist, - struct pevent *pevent) +static int perf_evlist__prepare_tracepoint_events(struct perf_evlist *evlist, + struct pevent *pevent) { struct perf_evsel *pos; list_for_each_entry(pos, &evlist->entries, node) { if (pos->attr.type == PERF_TYPE_TRACEPOINT && - perf_evsel__set_tracepoint_name(pos, pevent)) + perf_evsel__prepare_tracepoint_event(pos, pevent)) return -1; } @@ -2404,7 +2450,8 @@ int perf_session__read_header(struct perf_session *session, int fd) lseek(fd, header->data_offset, SEEK_SET); - if (perf_evlist__set_tracepoint_names(session->evlist, session->pevent)) + if (perf_evlist__prepare_tracepoint_events(session->evlist, + session->pevent)) goto out_delete_evlist; header->frozen = 1; @@ -2427,7 +2474,7 @@ int perf_event__synthesize_attr(struct perf_tool *tool, int err; size = sizeof(struct perf_event_attr); - size = ALIGN(size, sizeof(u64)); + size = PERF_ALIGN(size, sizeof(u64)); size += sizeof(struct perf_event_header); size += ids * sizeof(u64); @@ -2525,7 +2572,7 @@ int perf_event__synthesize_event_type(struct perf_tool *tool, ev.event_type.header.type = PERF_RECORD_HEADER_EVENT_TYPE; size = strlen(ev.event_type.event_type.name); - size = ALIGN(size, sizeof(u64)); + size = PERF_ALIGN(size, sizeof(u64)); ev.event_type.header.size = sizeof(ev.event_type) - (sizeof(ev.event_type.event_type.name) - size); @@ -2556,7 +2603,7 @@ int perf_event__synthesize_event_types(struct perf_tool *tool, return err; } -int perf_event__process_event_type(struct perf_tool *tool __unused, +int perf_event__process_event_type(struct perf_tool *tool __maybe_unused, union perf_event *event) { if (perf_header__push_event(event->event_type.event_type.event_id, @@ -2573,7 +2620,7 @@ int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd, union perf_event ev; struct tracing_data *tdata; ssize_t size = 0, aligned_size = 0, padding; - int err __used = 0; + int err __maybe_unused = 0; /* * We are going to store the size of the data followed @@ -2594,7 +2641,7 @@ int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd, ev.tracing_data.header.type = PERF_RECORD_HEADER_TRACING_DATA; size = tdata->size; - aligned_size = ALIGN(size, sizeof(u64)); + aligned_size = PERF_ALIGN(size, sizeof(u64)); padding = aligned_size - size; ev.tracing_data.header.size = sizeof(ev.tracing_data); ev.tracing_data.size = aligned_size; @@ -2625,7 +2672,7 @@ int perf_event__process_tracing_data(union perf_event *event, size_read = trace_report(session->fd, &session->pevent, session->repipe); - padding = ALIGN(size_read, sizeof(u64)) - size_read; + padding = PERF_ALIGN(size_read, sizeof(u64)) - size_read; if (read(session->fd, buf, padding) < 0) die("reading input file"); @@ -2638,7 +2685,8 @@ int perf_event__process_tracing_data(union perf_event *event, if (size_read + padding != size) die("tracing data size mismatch"); - perf_evlist__set_tracepoint_names(session->evlist, session->pevent); + perf_evlist__prepare_tracepoint_events(session->evlist, + session->pevent); return size_read + padding; } @@ -2658,7 +2706,7 @@ int perf_event__synthesize_build_id(struct perf_tool *tool, memset(&ev, 0, sizeof(ev)); len = pos->long_name_len + 1; - len = ALIGN(len, NAME_ALIGN); + len = PERF_ALIGN(len, NAME_ALIGN); memcpy(&ev.build_id.build_id, pos->build_id, sizeof(pos->build_id)); ev.build_id.header.type = PERF_RECORD_HEADER_BUILD_ID; ev.build_id.header.misc = misc; @@ -2671,7 +2719,7 @@ int perf_event__synthesize_build_id(struct perf_tool *tool, return err; } -int perf_event__process_build_id(struct perf_tool *tool __used, +int perf_event__process_build_id(struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_session *session) { diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index 9d5eedceda72..209dad4fee2b 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -96,7 +96,7 @@ int perf_header__process_sections(struct perf_header *header, int fd, int perf_header__fprintf_info(struct perf_session *s, FILE *fp, bool full); int build_id_cache__add_s(const char *sbuild_id, const char *debugdir, - const char *name, bool is_kallsyms); + const char *name, bool is_kallsyms, bool is_vdso); int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir); int perf_event__synthesize_attr(struct perf_tool *tool, diff --git a/tools/perf/util/help.c b/tools/perf/util/help.c index 6f2975a00358..8b1f6e891b8a 100644 --- a/tools/perf/util/help.c +++ b/tools/perf/util/help.c @@ -3,6 +3,7 @@ #include "exec_cmd.h" #include "levenshtein.h" #include "help.h" +#include <termios.h> void add_cmdname(struct cmdnames *cmds, const char *name, size_t len) { @@ -331,7 +332,8 @@ const char *help_unknown_cmd(const char *cmd) exit(1); } -int cmd_version(int argc __used, const char **argv __used, const char *prefix __used) +int cmd_version(int argc __maybe_unused, const char **argv __maybe_unused, + const char *prefix __maybe_unused) { printf("perf version %s\n", perf_version_string); return 0; diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index b1817f15bb87..6ec5398de89d 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -394,7 +394,7 @@ void hist_entry__free(struct hist_entry *he) * collapse the histogram */ -static bool hists__collapse_insert_entry(struct hists *hists __used, +static bool hists__collapse_insert_entry(struct hists *hists __maybe_unused, struct rb_root *root, struct hist_entry *he) { @@ -563,39 +563,6 @@ void hists__output_resort_threaded(struct hists *hists) return __hists__output_resort(hists, true); } -/* - * See hists__fprintf to match the column widths - */ -unsigned int hists__sort_list_width(struct hists *hists) -{ - struct sort_entry *se; - int ret = 9; /* total % */ - - if (symbol_conf.show_cpu_utilization) { - ret += 7; /* count_sys % */ - ret += 6; /* count_us % */ - if (perf_guest) { - ret += 13; /* count_guest_sys % */ - ret += 12; /* count_guest_us % */ - } - } - - if (symbol_conf.show_nr_samples) - ret += 11; - - if (symbol_conf.show_total_period) - ret += 13; - - list_for_each_entry(se, &hist_entry__sort_list, list) - if (!se->elide) - ret += 2 + hists__col_len(hists, se->se_width_idx); - - if (verbose) /* Addr + origin */ - ret += 3 + BITS_PER_LONG / 4; - - return ret; -} - static void hists__remove_entry_filter(struct hists *hists, struct hist_entry *h, enum hist_filter filter) { diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 2e650ffb7d23..f011ad4756e8 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -115,24 +115,63 @@ bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len); void hists__reset_col_len(struct hists *hists); void hists__calc_col_len(struct hists *hists, struct hist_entry *he); +struct perf_hpp { + char *buf; + size_t size; + u64 total_period; + const char *sep; + long displacement; + void *ptr; +}; + +struct perf_hpp_fmt { + bool cond; + int (*header)(struct perf_hpp *hpp); + int (*width)(struct perf_hpp *hpp); + int (*color)(struct perf_hpp *hpp, struct hist_entry *he); + int (*entry)(struct perf_hpp *hpp, struct hist_entry *he); +}; + +extern struct perf_hpp_fmt perf_hpp__format[]; + +enum { + PERF_HPP__OVERHEAD, + PERF_HPP__OVERHEAD_SYS, + PERF_HPP__OVERHEAD_US, + PERF_HPP__OVERHEAD_GUEST_SYS, + PERF_HPP__OVERHEAD_GUEST_US, + PERF_HPP__SAMPLES, + PERF_HPP__PERIOD, + PERF_HPP__DELTA, + PERF_HPP__DISPL, + + PERF_HPP__MAX_INDEX +}; + +void perf_hpp__init(bool need_pair, bool show_displacement); +int hist_entry__period_snprintf(struct perf_hpp *hpp, struct hist_entry *he, + bool color); + struct perf_evlist; #ifdef NO_NEWT_SUPPORT static inline -int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __used, - const char *help __used, - void(*timer)(void *arg) __used, - void *arg __used, - int refresh __used) +int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __maybe_unused, + const char *help __maybe_unused, + void(*timer)(void *arg) __maybe_unused, + void *arg __maybe_unused, + int refresh __maybe_unused) { return 0; } -static inline int hist_entry__tui_annotate(struct hist_entry *self __used, - int evidx __used, - void(*timer)(void *arg) __used, - void *arg __used, - int delay_secs __used) +static inline int hist_entry__tui_annotate(struct hist_entry *self + __maybe_unused, + int evidx __maybe_unused, + void(*timer)(void *arg) + __maybe_unused, + void *arg __maybe_unused, + int delay_secs __maybe_unused) { return 0; } @@ -150,11 +189,11 @@ int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, #ifdef NO_GTK2_SUPPORT static inline -int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __used, - const char *help __used, - void(*timer)(void *arg) __used, - void *arg __used, - int refresh __used) +int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __maybe_unused, + const char *help __maybe_unused, + void(*timer)(void *arg) __maybe_unused, + void *arg __maybe_unused, + int refresh __maybe_unused) { return 0; } diff --git a/tools/perf/util/include/linux/bitops.h b/tools/perf/util/include/linux/bitops.h index 587a230d2075..a55d8cf083c9 100644 --- a/tools/perf/util/include/linux/bitops.h +++ b/tools/perf/util/include/linux/bitops.h @@ -5,6 +5,10 @@ #include <linux/compiler.h> #include <asm/hweight.h> +#ifndef __WORDSIZE +#define __WORDSIZE (__SIZEOF_LONG__ * 8) +#endif + #define BITS_PER_LONG __WORDSIZE #define BITS_PER_BYTE 8 #define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long)) diff --git a/tools/perf/util/include/linux/compiler.h b/tools/perf/util/include/linux/compiler.h index 2dc867128e46..96b919dae11c 100644 --- a/tools/perf/util/include/linux/compiler.h +++ b/tools/perf/util/include/linux/compiler.h @@ -9,7 +9,13 @@ #define __attribute_const__ #endif -#define __used __attribute__((__unused__)) +#ifndef __maybe_unused +#define __maybe_unused __attribute__((unused)) +#endif #define __packed __attribute__((__packed__)) +#ifndef __force +#define __force +#endif + #endif diff --git a/tools/perf/util/include/linux/kernel.h b/tools/perf/util/include/linux/kernel.h index b6842c1d02a8..d8c927c868ee 100644 --- a/tools/perf/util/include/linux/kernel.h +++ b/tools/perf/util/include/linux/kernel.h @@ -8,8 +8,8 @@ #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) -#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1) -#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) +#define PERF_ALIGN(x, a) __PERF_ALIGN_MASK(x, (typeof(x))(a)-1) +#define __PERF_ALIGN_MASK(x, mask) (((x)+(mask))&~(mask)) #ifndef offsetof #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) @@ -46,9 +46,22 @@ _min1 < _min2 ? _min1 : _min2; }) #endif +#ifndef roundup +#define roundup(x, y) ( \ +{ \ + const typeof(y) __y = y; \ + (((x) + (__y - 1)) / __y) * __y; \ +} \ +) +#endif + #ifndef BUG_ON +#ifdef NDEBUG +#define BUG_ON(cond) do { if (cond) {} } while (0) +#else #define BUG_ON(cond) assert(!(cond)) #endif +#endif /* * Both need more care to handle endianness diff --git a/tools/perf/util/include/linux/magic.h b/tools/perf/util/include/linux/magic.h new file mode 100644 index 000000000000..58b64ed4da12 --- /dev/null +++ b/tools/perf/util/include/linux/magic.h @@ -0,0 +1,12 @@ +#ifndef _PERF_LINUX_MAGIC_H_ +#define _PERF_LINUX_MAGIC_H_ + +#ifndef DEBUGFS_MAGIC +#define DEBUGFS_MAGIC 0x64626720 +#endif + +#ifndef SYSFS_MAGIC +#define SYSFS_MAGIC 0x62656572 +#endif + +#endif diff --git a/tools/perf/util/include/linux/rbtree.h b/tools/perf/util/include/linux/rbtree.h index 7a243a143037..2a030c5af3aa 100644 --- a/tools/perf/util/include/linux/rbtree.h +++ b/tools/perf/util/include/linux/rbtree.h @@ -1 +1,2 @@ +#include <stdbool.h> #include "../../../../include/linux/rbtree.h" diff --git a/tools/perf/util/include/linux/string.h b/tools/perf/util/include/linux/string.h index 3b2f5900276f..6f19c548ecc0 100644 --- a/tools/perf/util/include/linux/string.h +++ b/tools/perf/util/include/linux/string.h @@ -1 +1,3 @@ #include <string.h> + +void *memdup(const void *src, size_t len); diff --git a/tools/perf/util/include/linux/types.h b/tools/perf/util/include/linux/types.h index 12de3b8112f9..eb464786c084 100644 --- a/tools/perf/util/include/linux/types.h +++ b/tools/perf/util/include/linux/types.h @@ -3,6 +3,14 @@ #include <asm/types.h> +#ifndef __bitwise +#define __bitwise +#endif + +#ifndef __le32 +typedef __u32 __bitwise __le32; +#endif + #define DECLARE_BITMAP(name,bits) \ unsigned long name[BITS_TO_LONGS(bits)] diff --git a/tools/perf/util/intlist.c b/tools/perf/util/intlist.c index fd530dced9cb..9d0740024ba8 100644 --- a/tools/perf/util/intlist.c +++ b/tools/perf/util/intlist.c @@ -11,7 +11,7 @@ #include "intlist.h" -static struct rb_node *intlist__node_new(struct rblist *rblist __used, +static struct rb_node *intlist__node_new(struct rblist *rblist __maybe_unused, const void *entry) { int i = (int)((long)entry); @@ -31,7 +31,7 @@ static void int_node__delete(struct int_node *ilist) free(ilist); } -static void intlist__node_delete(struct rblist *rblist __used, +static void intlist__node_delete(struct rblist *rblist __maybe_unused, struct rb_node *rb_node) { struct int_node *node = container_of(rb_node, struct int_node, rb_node); @@ -52,9 +52,9 @@ int intlist__add(struct intlist *ilist, int i) return rblist__add_node(&ilist->rblist, (void *)((long)i)); } -void intlist__remove(struct intlist *ilist __used, struct int_node *node) +void intlist__remove(struct intlist *ilist, struct int_node *node) { - int_node__delete(node); + rblist__remove_node(&ilist->rblist, &node->rb_node); } struct int_node *intlist__find(struct intlist *ilist, int i) diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 7d37159c1e99..b442ee49452b 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -9,6 +9,7 @@ #include "map.h" #include "thread.h" #include "strlist.h" +#include "vdso.h" const char *map_type__name[MAP__NR_TYPES] = { [MAP__FUNCTION] = "Functions", @@ -23,7 +24,6 @@ static inline int is_anon_memory(const char *filename) static inline int is_no_dso_memory(const char *filename) { return !strcmp(filename, "[stack]") || - !strcmp(filename, "[vdso]") || !strcmp(filename, "[heap]"); } @@ -52,9 +52,10 @@ struct map *map__new(struct list_head *dsos__list, u64 start, u64 len, if (self != NULL) { char newfilename[PATH_MAX]; struct dso *dso; - int anon, no_dso; + int anon, no_dso, vdso; anon = is_anon_memory(filename); + vdso = is_vdso_map(filename); no_dso = is_no_dso_memory(filename); if (anon) { @@ -62,7 +63,12 @@ struct map *map__new(struct list_head *dsos__list, u64 start, u64 len, filename = newfilename; } - dso = __dsos__findnew(dsos__list, filename); + if (vdso) { + pgoff = 0; + dso = vdso__dso_findnew(dsos__list); + } else + dso = __dsos__findnew(dsos__list, filename); + if (dso == NULL) goto out_delete; diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h index 25ab4cdbc446..d2250fc97e25 100644 --- a/tools/perf/util/map.h +++ b/tools/perf/util/map.h @@ -96,7 +96,7 @@ static inline u64 map__unmap_ip(struct map *map, u64 ip) return ip + map->start - map->pgoff; } -static inline u64 identity__map_ip(struct map *map __used, u64 ip) +static inline u64 identity__map_ip(struct map *map __maybe_unused, u64 ip) { return ip; } diff --git a/tools/perf/util/parse-events-test.c b/tools/perf/util/parse-events-test.c index bc8b65130ae0..d7244e553670 100644 --- a/tools/perf/util/parse-events-test.c +++ b/tools/perf/util/parse-events-test.c @@ -569,7 +569,7 @@ static int test__group2(struct perf_evlist *evlist) return 0; } -static int test__group3(struct perf_evlist *evlist __used) +static int test__group3(struct perf_evlist *evlist __maybe_unused) { struct perf_evsel *evsel, *leader; @@ -648,7 +648,7 @@ static int test__group3(struct perf_evlist *evlist __used) return 0; } -static int test__group4(struct perf_evlist *evlist __used) +static int test__group4(struct perf_evlist *evlist __maybe_unused) { struct perf_evsel *evsel, *leader; @@ -684,7 +684,7 @@ static int test__group4(struct perf_evlist *evlist __used) return 0; } -static int test__group5(struct perf_evlist *evlist __used) +static int test__group5(struct perf_evlist *evlist __maybe_unused) { struct perf_evsel *evsel, *leader; diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index b24630398b92..bf5d033ee1b4 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -239,8 +239,11 @@ const char *event_type(int type) return "unknown"; } -static int add_event(struct list_head **_list, int *idx, - struct perf_event_attr *attr, char *name) + + +static int __add_event(struct list_head **_list, int *idx, + struct perf_event_attr *attr, + char *name, struct cpu_map *cpus) { struct perf_evsel *evsel; struct list_head *list = *_list; @@ -260,6 +263,7 @@ static int add_event(struct list_head **_list, int *idx, return -ENOMEM; } + evsel->cpus = cpus; if (name) evsel->name = strdup(name); list_add_tail(&evsel->node, list); @@ -267,6 +271,12 @@ static int add_event(struct list_head **_list, int *idx, return 0; } +static int add_event(struct list_head **_list, int *idx, + struct perf_event_attr *attr, char *name) +{ + return __add_event(_list, idx, attr, name, NULL); +} + static int parse_aliases(char *str, const char *names[][PERF_EVSEL__MAX_ALIASES], int size) { int i, j; @@ -308,7 +318,7 @@ int parse_events_add_cache(struct list_head **list, int *idx, for (i = 0; (i < 2) && (op_result[i]); i++) { char *str = op_result[i]; - snprintf(name + n, MAX_NAME_LEN - n, "-%s\n", str); + n += snprintf(name + n, MAX_NAME_LEN - n, "-%s", str); if (cache_op == -1) { cache_op = parse_aliases(str, perf_evsel__hw_cache_op, @@ -607,8 +617,8 @@ int parse_events_add_pmu(struct list_head **list, int *idx, if (perf_pmu__config(pmu, &attr, head_config)) return -EINVAL; - return add_event(list, idx, &attr, - pmu_event_name(head_config)); + return __add_event(list, idx, &attr, pmu_event_name(head_config), + pmu->cpus); } int parse_events__modifier_group(struct list_head *list, @@ -807,7 +817,8 @@ int parse_events_terms(struct list_head *terms, const char *str) return ret; } -int parse_events(struct perf_evlist *evlist, const char *str, int unset __used) +int parse_events(struct perf_evlist *evlist, const char *str, + int unset __maybe_unused) { struct parse_events_data__events data = { .list = LIST_HEAD_INIT(data.list), @@ -833,14 +844,14 @@ int parse_events(struct perf_evlist *evlist, const char *str, int unset __used) } int parse_events_option(const struct option *opt, const char *str, - int unset __used) + int unset __maybe_unused) { struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; return parse_events(evlist, str, unset); } int parse_filter(const struct option *opt, const char *str, - int unset __used) + int unset __maybe_unused) { struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; struct perf_evsel *last = NULL; diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l index f5e28dc68270..c87efc12579d 100644 --- a/tools/perf/util/parse-events.l +++ b/tools/perf/util/parse-events.l @@ -207,7 +207,7 @@ r{num_raw_hex} { return raw(yyscanner); } %% -int parse_events_wrap(void *scanner __used) +int parse_events_wrap(void *scanner __maybe_unused) { return 1; } diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y index 42d9a17b83b1..cd88209e3c58 100644 --- a/tools/perf/util/parse-events.y +++ b/tools/perf/util/parse-events.y @@ -391,7 +391,7 @@ sep_slash_dc: '/' | ':' | %% -void parse_events_error(void *data __used, void *scanner __used, - char const *msg __used) +void parse_events_error(void *data __maybe_unused, void *scanner __maybe_unused, + char const *msg __maybe_unused) { } diff --git a/tools/perf/util/parse-options.c b/tools/perf/util/parse-options.c index 594f8fad5ecd..443fc116512b 100644 --- a/tools/perf/util/parse-options.c +++ b/tools/perf/util/parse-options.c @@ -557,7 +557,8 @@ int parse_options_usage(const char * const *usagestr, } -int parse_opt_verbosity_cb(const struct option *opt, const char *arg __used, +int parse_opt_verbosity_cb(const struct option *opt, + const char *arg __maybe_unused, int unset) { int *target = opt->value; diff --git a/tools/perf/util/perf_regs.h b/tools/perf/util/perf_regs.h index 9bd6c4e069c8..316dbe7f86ed 100644 --- a/tools/perf/util/perf_regs.h +++ b/tools/perf/util/perf_regs.h @@ -6,7 +6,7 @@ #else #define PERF_REGS_MASK 0 -static inline const char *perf_reg_name(int id __used) +static inline const char *perf_reg_name(int id __maybe_unused) { return NULL; } diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 6631d828db3d..8a2229da594f 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -9,6 +9,7 @@ #include "util.h" #include "pmu.h" #include "parse-events.h" +#include "cpumap.h" #define EVENT_SOURCE_DEVICE_PATH "/bus/event_source/devices/" @@ -253,6 +254,33 @@ static void pmu_read_sysfs(void) closedir(dir); } +static struct cpu_map *pmu_cpumask(char *name) +{ + struct stat st; + char path[PATH_MAX]; + const char *sysfs; + FILE *file; + struct cpu_map *cpus; + + sysfs = sysfs_find_mountpoint(); + if (!sysfs) + return NULL; + + snprintf(path, PATH_MAX, + "%s/bus/event_source/devices/%s/cpumask", sysfs, name); + + if (stat(path, &st) < 0) + return NULL; + + file = fopen(path, "r"); + if (!file) + return NULL; + + cpus = cpu_map__read(file); + fclose(file); + return cpus; +} + static struct perf_pmu *pmu_lookup(char *name) { struct perf_pmu *pmu; @@ -275,6 +303,8 @@ static struct perf_pmu *pmu_lookup(char *name) if (!pmu) return NULL; + pmu->cpus = pmu_cpumask(name); + pmu_aliases(name, &aliases); INIT_LIST_HEAD(&pmu->format); diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h index 47f68d3cc5d1..53c7794fc4be 100644 --- a/tools/perf/util/pmu.h +++ b/tools/perf/util/pmu.h @@ -28,6 +28,7 @@ struct perf_pmu__alias { struct perf_pmu { char *name; __u32 type; + struct cpu_map *cpus; struct list_head format; struct list_head aliases; struct list_head list; diff --git a/tools/perf/util/pmu.y b/tools/perf/util/pmu.y index 20ea77e93169..ec898047ebb9 100644 --- a/tools/perf/util/pmu.y +++ b/tools/perf/util/pmu.y @@ -86,8 +86,8 @@ PP_VALUE %% -void perf_pmu_error(struct list_head *list __used, - char *name __used, - char const *msg __used) +void perf_pmu_error(struct list_head *list __maybe_unused, + char *name __maybe_unused, + char const *msg __maybe_unused) { } diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 0dda25d82d06..4ce04c2281d3 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -41,7 +41,7 @@ #include "symbol.h" #include "thread.h" #include "debugfs.h" -#include "trace-event.h" /* For __unused */ +#include "trace-event.h" /* For __maybe_unused */ #include "probe-event.h" #include "probe-finder.h" #include "session.h" @@ -647,8 +647,8 @@ static int kprobe_convert_to_perf_probe(struct probe_trace_point *tp, } static int try_to_find_probe_trace_events(struct perf_probe_event *pev, - struct probe_trace_event **tevs __unused, - int max_tevs __unused, const char *target) + struct probe_trace_event **tevs __maybe_unused, + int max_tevs __maybe_unused, const char *target) { if (perf_probe_event_need_dwarf(pev)) { pr_warning("Debuginfo-analysis is not supported.\n"); @@ -661,17 +661,18 @@ static int try_to_find_probe_trace_events(struct perf_probe_event *pev, return 0; } -int show_line_range(struct line_range *lr __unused, const char *module __unused) +int show_line_range(struct line_range *lr __maybe_unused, + const char *module __maybe_unused) { pr_warning("Debuginfo-analysis is not supported.\n"); return -ENOSYS; } -int show_available_vars(struct perf_probe_event *pevs __unused, - int npevs __unused, int max_vls __unused, - const char *module __unused, - struct strfilter *filter __unused, - bool externs __unused) +int show_available_vars(struct perf_probe_event *pevs __maybe_unused, + int npevs __maybe_unused, int max_vls __maybe_unused, + const char *module __maybe_unused, + struct strfilter *filter __maybe_unused, + bool externs __maybe_unused) { pr_warning("Debuginfo-analysis is not supported.\n"); return -ENOSYS; @@ -2183,7 +2184,7 @@ static struct strfilter *available_func_filter; * If a symbol corresponds to a function with global binding and * matches filter return 0. For all others return 1. */ -static int filter_available_functions(struct map *map __unused, +static int filter_available_functions(struct map *map __maybe_unused, struct symbol *sym) { if (sym->binding == STB_GLOBAL && @@ -2307,10 +2308,17 @@ static int convert_name_to_addr(struct perf_probe_event *pev, const char *exec) function = NULL; } if (!pev->group) { - char *ptr1, *ptr2; + char *ptr1, *ptr2, *exec_copy; pev->group = zalloc(sizeof(char *) * 64); - ptr1 = strdup(basename(exec)); + exec_copy = strdup(exec); + if (!exec_copy) { + ret = -ENOMEM; + pr_warning("Failed to copy exec string.\n"); + goto out; + } + + ptr1 = strdup(basename(exec_copy)); if (ptr1) { ptr2 = strpbrk(ptr1, "-._"); if (ptr2) @@ -2319,6 +2327,7 @@ static int convert_name_to_addr(struct perf_probe_event *pev, const char *exec) ptr1); free(ptr1); } + free(exec_copy); } free(pp->function); pp->function = zalloc(sizeof(char *) * MAX_PROBE_ARGS); diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index d448984ed789..1daf5c14e751 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -207,7 +207,7 @@ static int debuginfo__init_online_kernel_dwarf(struct debuginfo *self, #else /* With older elfutils, this just support kernel module... */ static int debuginfo__init_online_kernel_dwarf(struct debuginfo *self, - Dwarf_Addr addr __used) + Dwarf_Addr addr __maybe_unused) { const char *path = kernel_get_module_path("kernel"); @@ -525,8 +525,10 @@ static int convert_variable_fields(Dwarf_Die *vr_die, const char *varname, return -ENOENT; } /* Verify it is a data structure */ - if (dwarf_tag(&type) != DW_TAG_structure_type) { - pr_warning("%s is not a data structure.\n", varname); + tag = dwarf_tag(&type); + if (tag != DW_TAG_structure_type && tag != DW_TAG_union_type) { + pr_warning("%s is not a data structure nor an union.\n", + varname); return -EINVAL; } @@ -539,8 +541,9 @@ static int convert_variable_fields(Dwarf_Die *vr_die, const char *varname, *ref_ptr = ref; } else { /* Verify it is a data structure */ - if (tag != DW_TAG_structure_type) { - pr_warning("%s is not a data structure.\n", varname); + if (tag != DW_TAG_structure_type && tag != DW_TAG_union_type) { + pr_warning("%s is not a data structure nor an union.\n", + varname); return -EINVAL; } if (field->name[0] == '[') { @@ -567,10 +570,15 @@ static int convert_variable_fields(Dwarf_Die *vr_die, const char *varname, } /* Get the offset of the field */ - ret = die_get_data_member_location(die_mem, &offs); - if (ret < 0) { - pr_warning("Failed to get the offset of %s.\n", field->name); - return ret; + if (tag == DW_TAG_union_type) { + offs = 0; + } else { + ret = die_get_data_member_location(die_mem, &offs); + if (ret < 0) { + pr_warning("Failed to get the offset of %s.\n", + field->name); + return ret; + } } ref->offset += (long)offs; @@ -1419,7 +1427,7 @@ static int line_range_add_line(const char *src, unsigned int lineno, } static int line_range_walk_cb(const char *fname, int lineno, - Dwarf_Addr addr __used, + Dwarf_Addr addr __maybe_unused, void *data) { struct line_finder *lf = data; diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 27187f0b71f0..ca85444bcfbf 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -672,7 +672,7 @@ struct pyrf_evlist { }; static int pyrf_evlist__init(struct pyrf_evlist *pevlist, - PyObject *args, PyObject *kwargs __used) + PyObject *args, PyObject *kwargs __maybe_unused) { PyObject *pcpus = NULL, *pthreads = NULL; struct cpu_map *cpus; @@ -733,7 +733,8 @@ static PyObject *pyrf_evlist__poll(struct pyrf_evlist *pevlist, } static PyObject *pyrf_evlist__get_pollfd(struct pyrf_evlist *pevlist, - PyObject *args __used, PyObject *kwargs __used) + PyObject *args __maybe_unused, + PyObject *kwargs __maybe_unused) { struct perf_evlist *evlist = &pevlist->evlist; PyObject *list = PyList_New(0); @@ -765,7 +766,8 @@ free_list: static PyObject *pyrf_evlist__add(struct pyrf_evlist *pevlist, - PyObject *args, PyObject *kwargs __used) + PyObject *args, + PyObject *kwargs __maybe_unused) { struct perf_evlist *evlist = &pevlist->evlist; PyObject *pevsel; diff --git a/tools/perf/util/scripting-engines/trace-event-perl.c b/tools/perf/util/scripting-engines/trace-event-perl.c index d28001016fb5..ffde3e4e34aa 100644 --- a/tools/perf/util/scripting-engines/trace-event-perl.c +++ b/tools/perf/util/scripting-engines/trace-event-perl.c @@ -25,16 +25,16 @@ #include <ctype.h> #include <errno.h> -#include "../../perf.h" #include "../util.h" +#include <EXTERN.h> +#include <perl.h> + +#include "../../perf.h" #include "../thread.h" #include "../event.h" #include "../trace-event.h" #include "../evsel.h" -#include <EXTERN.h> -#include <perl.h> - void boot_Perf__Trace__Context(pTHX_ CV *cv); void boot_DynaLoader(pTHX_ CV *cv); typedef PerlInterpreter * INTERP; @@ -257,10 +257,10 @@ static inline struct event_format *find_cache_event(struct perf_evsel *evsel) return event; } -static void perl_process_tracepoint(union perf_event *perf_event __unused, +static void perl_process_tracepoint(union perf_event *perf_event __maybe_unused, struct perf_sample *sample, struct perf_evsel *evsel, - struct machine *machine __unused, + struct machine *machine __maybe_unused, struct addr_location *al) { struct format_field *field; @@ -349,8 +349,8 @@ static void perl_process_tracepoint(union perf_event *perf_event __unused, static void perl_process_event_generic(union perf_event *event, struct perf_sample *sample, struct perf_evsel *evsel, - struct machine *machine __unused, - struct addr_location *al __unused) + struct machine *machine __maybe_unused, + struct addr_location *al __maybe_unused) { dSP; diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c index afba09729183..730c6630cba5 100644 --- a/tools/perf/util/scripting-engines/trace-event-python.c +++ b/tools/perf/util/scripting-engines/trace-event-python.c @@ -221,10 +221,11 @@ static inline struct event_format *find_cache_event(struct perf_evsel *evsel) return event; } -static void python_process_tracepoint(union perf_event *perf_event __unused, +static void python_process_tracepoint(union perf_event *perf_event + __maybe_unused, struct perf_sample *sample, struct perf_evsel *evsel, - struct machine *machine __unused, + struct machine *machine __maybe_unused, struct addr_location *al) { PyObject *handler, *retval, *context, *t, *obj, *dict = NULL; @@ -339,10 +340,11 @@ static void python_process_tracepoint(union perf_event *perf_event __unused, Py_DECREF(t); } -static void python_process_general_event(union perf_event *perf_event __unused, +static void python_process_general_event(union perf_event *perf_event + __maybe_unused, struct perf_sample *sample, struct perf_evsel *evsel, - struct machine *machine __unused, + struct machine *machine __maybe_unused, struct addr_location *al) { PyObject *handler, *retval, *t, *dict; diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index f7bb7ae328da..3049b0ae7003 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -17,6 +17,7 @@ #include "event-parse.h" #include "perf_regs.h" #include "unwind.h" +#include "vdso.h" static int perf_session__open(struct perf_session *self, bool force) { @@ -211,6 +212,7 @@ void perf_session__delete(struct perf_session *self) machine__exit(&self->host_machine); close(self->fd); free(self); + vdso__exit(); } void machine__remove_thread(struct machine *self, struct thread *th) @@ -388,55 +390,64 @@ int machine__resolve_callchain(struct machine *machine, (evsel->attr.sample_type & PERF_SAMPLE_STACK_USER))) return 0; + /* Bail out if nothing was captured. */ + if ((!sample->user_regs.regs) || + (!sample->user_stack.size)) + return 0; + return unwind__get_entries(unwind_entry, &callchain_cursor, machine, thread, evsel->attr.sample_regs_user, sample); } -static int process_event_synth_tracing_data_stub(union perf_event *event __used, - struct perf_session *session __used) +static int process_event_synth_tracing_data_stub(union perf_event *event + __maybe_unused, + struct perf_session *session + __maybe_unused) { dump_printf(": unhandled!\n"); return 0; } -static int process_event_synth_attr_stub(union perf_event *event __used, - struct perf_evlist **pevlist __used) +static int process_event_synth_attr_stub(union perf_event *event __maybe_unused, + struct perf_evlist **pevlist + __maybe_unused) { dump_printf(": unhandled!\n"); return 0; } -static int process_event_sample_stub(struct perf_tool *tool __used, - union perf_event *event __used, - struct perf_sample *sample __used, - struct perf_evsel *evsel __used, - struct machine *machine __used) +static int process_event_sample_stub(struct perf_tool *tool __maybe_unused, + union perf_event *event __maybe_unused, + struct perf_sample *sample __maybe_unused, + struct perf_evsel *evsel __maybe_unused, + struct machine *machine __maybe_unused) { dump_printf(": unhandled!\n"); return 0; } -static int process_event_stub(struct perf_tool *tool __used, - union perf_event *event __used, - struct perf_sample *sample __used, - struct machine *machine __used) +static int process_event_stub(struct perf_tool *tool __maybe_unused, + union perf_event *event __maybe_unused, + struct perf_sample *sample __maybe_unused, + struct machine *machine __maybe_unused) { dump_printf(": unhandled!\n"); return 0; } -static int process_finished_round_stub(struct perf_tool *tool __used, - union perf_event *event __used, - struct perf_session *perf_session __used) +static int process_finished_round_stub(struct perf_tool *tool __maybe_unused, + union perf_event *event __maybe_unused, + struct perf_session *perf_session + __maybe_unused) { dump_printf(": unhandled!\n"); return 0; } -static int process_event_type_stub(struct perf_tool *tool __used, - union perf_event *event __used) +static int process_event_type_stub(struct perf_tool *tool __maybe_unused, + union perf_event *event __maybe_unused) { dump_printf(": unhandled!\n"); return 0; @@ -513,7 +524,7 @@ static void swap_sample_id_all(union perf_event *event, void *data) } static void perf_event__all64_swap(union perf_event *event, - bool sample_id_all __used) + bool sample_id_all __maybe_unused) { struct perf_event_header *hdr = &event->header; mem_bswap_64(hdr + 1, event->header.size - sizeof(*hdr)); @@ -527,7 +538,7 @@ static void perf_event__comm_swap(union perf_event *event, bool sample_id_all) if (sample_id_all) { void *data = &event->comm.comm; - data += ALIGN(strlen(data) + 1, sizeof(u64)); + data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); swap_sample_id_all(event, data); } } @@ -544,7 +555,7 @@ static void perf_event__mmap_swap(union perf_event *event, if (sample_id_all) { void *data = &event->mmap.filename; - data += ALIGN(strlen(data) + 1, sizeof(u64)); + data += PERF_ALIGN(strlen(data) + 1, sizeof(u64)); swap_sample_id_all(event, data); } } @@ -624,7 +635,7 @@ void perf_event__attr_swap(struct perf_event_attr *attr) } static void perf_event__hdr_attr_swap(union perf_event *event, - bool sample_id_all __used) + bool sample_id_all __maybe_unused) { size_t size; @@ -636,14 +647,14 @@ static void perf_event__hdr_attr_swap(union perf_event *event, } static void perf_event__event_type_swap(union perf_event *event, - bool sample_id_all __used) + bool sample_id_all __maybe_unused) { event->event_type.event_type.event_id = bswap_64(event->event_type.event_type.event_id); } static void perf_event__tracing_data_swap(union perf_event *event, - bool sample_id_all __used) + bool sample_id_all __maybe_unused) { event->tracing_data.size = bswap_32(event->tracing_data.size); } @@ -692,7 +703,7 @@ static int perf_session_deliver_event(struct perf_session *session, struct perf_tool *tool, u64 file_offset); -static void flush_sample_queue(struct perf_session *s, +static int flush_sample_queue(struct perf_session *s, struct perf_tool *tool) { struct ordered_samples *os = &s->ordered_samples; @@ -705,7 +716,7 @@ static void flush_sample_queue(struct perf_session *s, int ret; if (!tool->ordered_samples || !limit) - return; + return 0; list_for_each_entry_safe(iter, tmp, head, list) { if (iter->timestamp > limit) @@ -715,9 +726,12 @@ static void flush_sample_queue(struct perf_session *s, s->header.needs_swap); if (ret) pr_err("Can't parse sample, err = %d\n", ret); - else - perf_session_deliver_event(s, iter->event, &sample, tool, - iter->file_offset); + else { + ret = perf_session_deliver_event(s, iter->event, &sample, tool, + iter->file_offset); + if (ret) + return ret; + } os->last_flush = iter->timestamp; list_del(&iter->list); @@ -737,6 +751,8 @@ static void flush_sample_queue(struct perf_session *s, } os->nr_samples = 0; + + return 0; } /* @@ -779,13 +795,14 @@ static void flush_sample_queue(struct perf_session *s, * etc... */ static int process_finished_round(struct perf_tool *tool, - union perf_event *event __used, + union perf_event *event __maybe_unused, struct perf_session *session) { - flush_sample_queue(session, tool); - session->ordered_samples.next_flush = session->ordered_samples.max_timestamp; + int ret = flush_sample_queue(session, tool); + if (!ret) + session->ordered_samples.next_flush = session->ordered_samples.max_timestamp; - return 0; + return ret; } /* The queue is ordered by time */ @@ -1443,7 +1460,7 @@ more: err = 0; /* do the final flush for ordered samples */ session->ordered_samples.next_flush = ULLONG_MAX; - flush_sample_queue(session, tool); + err = flush_sample_queue(session, tool); out_err: perf_session__warn_about_errors(session, tool); perf_session_free_sample_buffers(session); diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h index 176a60902f56..aab414fbb64b 100644 --- a/tools/perf/util/session.h +++ b/tools/perf/util/session.h @@ -36,9 +36,7 @@ struct perf_session { struct pevent *pevent; /* * FIXME: Need to split this up further, we need global - * stats + per event stats. 'perf diff' also needs - * to properly support multiple events in a single - * perf.data file. + * stats + per event stats. */ struct hists hists; int fd; diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index 0f5a0a496bc4..b5b1b9211960 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -8,12 +8,11 @@ const char default_sort_order[] = "comm,dso,symbol"; const char *sort_order = default_sort_order; int sort__need_collapse = 0; int sort__has_parent = 0; +int sort__has_sym = 0; int sort__branch_mode = -1; /* -1 = means not set */ enum sort_type sort__first_dimension; -char * field_sep; - LIST_HEAD(hist_entry__sort_list); static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...) @@ -23,11 +22,11 @@ static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...) va_start(ap, fmt); n = vsnprintf(bf, size, fmt, ap); - if (field_sep && n > 0) { + if (symbol_conf.field_sep && n > 0) { char *sep = bf; while (1) { - sep = strchr(sep, *field_sep); + sep = strchr(sep, *symbol_conf.field_sep); if (sep == NULL) break; *sep = '.'; @@ -172,7 +171,7 @@ static int hist_entry__dso_snprintf(struct hist_entry *self, char *bf, static int _hist_entry__sym_snprintf(struct map *map, struct symbol *sym, u64 ip, char level, char *bf, size_t size, - unsigned int width __used) + unsigned int width __maybe_unused) { size_t ret = 0; @@ -207,7 +206,8 @@ struct sort_entry sort_dso = { }; static int hist_entry__sym_snprintf(struct hist_entry *self, char *bf, - size_t size, unsigned int width __used) + size_t size, + unsigned int width __maybe_unused) { return _hist_entry__sym_snprintf(self->ms.map, self->ms.sym, self->ip, self->level, bf, size, width); @@ -250,7 +250,8 @@ sort__srcline_cmp(struct hist_entry *left, struct hist_entry *right) } static int hist_entry__srcline_snprintf(struct hist_entry *self, char *bf, - size_t size, unsigned int width __used) + size_t size, + unsigned int width __maybe_unused) { FILE *fp; char cmd[PATH_MAX + 2], *path = self->srcline, *nl; @@ -399,7 +400,8 @@ sort__sym_to_cmp(struct hist_entry *left, struct hist_entry *right) } static int hist_entry__sym_from_snprintf(struct hist_entry *self, char *bf, - size_t size, unsigned int width __used) + size_t size, + unsigned int width __maybe_unused) { struct addr_map_symbol *from = &self->branch_info->from; return _hist_entry__sym_snprintf(from->map, from->sym, from->addr, @@ -408,7 +410,8 @@ static int hist_entry__sym_from_snprintf(struct hist_entry *self, char *bf, } static int hist_entry__sym_to_snprintf(struct hist_entry *self, char *bf, - size_t size, unsigned int width __used) + size_t size, + unsigned int width __maybe_unused) { struct addr_map_symbol *to = &self->branch_info->to; return _hist_entry__sym_snprintf(to->map, to->sym, to->addr, @@ -509,6 +512,10 @@ int sort_dimension__add(const char *tok) return -EINVAL; } sort__has_parent = 1; + } else if (sd->entry == &sort_sym || + sd->entry == &sort_sym_from || + sd->entry == &sort_sym_to) { + sort__has_sym = 1; } if (sd->taken) diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index e724b26acd51..12d634792de5 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -31,8 +31,8 @@ extern const char *parent_pattern; extern const char default_sort_order[]; extern int sort__need_collapse; extern int sort__has_parent; +extern int sort__has_sym; extern int sort__branch_mode; -extern char *field_sep; extern struct sort_entry sort_comm; extern struct sort_entry sort_dso; extern struct sort_entry sort_sym; diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c new file mode 100644 index 000000000000..23742126f47c --- /dev/null +++ b/tools/perf/util/stat.c @@ -0,0 +1,57 @@ +#include <math.h> + +#include "stat.h" + +void update_stats(struct stats *stats, u64 val) +{ + double delta; + + stats->n++; + delta = val - stats->mean; + stats->mean += delta / stats->n; + stats->M2 += delta*(val - stats->mean); +} + +double avg_stats(struct stats *stats) +{ + return stats->mean; +} + +/* + * http://en.wikipedia.org/wiki/Algorithms_for_calculating_variance + * + * (\Sum n_i^2) - ((\Sum n_i)^2)/n + * s^2 = ------------------------------- + * n - 1 + * + * http://en.wikipedia.org/wiki/Stddev + * + * The std dev of the mean is related to the std dev by: + * + * s + * s_mean = ------- + * sqrt(n) + * + */ +double stddev_stats(struct stats *stats) +{ + double variance, variance_mean; + + if (!stats->n) + return 0.0; + + variance = stats->M2 / (stats->n - 1); + variance_mean = variance / stats->n; + + return sqrt(variance_mean); +} + +double rel_stddev_stats(double stddev, double avg) +{ + double pct = 0.0; + + if (avg) + pct = 100.0 * stddev/avg; + + return pct; +} diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h new file mode 100644 index 000000000000..588367c3c767 --- /dev/null +++ b/tools/perf/util/stat.h @@ -0,0 +1,16 @@ +#ifndef __PERF_STATS_H +#define __PERF_STATS_H + +#include "types.h" + +struct stats +{ + double n, mean, M2; +}; + +void update_stats(struct stats *stats, u64 val); +double avg_stats(struct stats *stats); +double stddev_stats(struct stats *stats); +double rel_stddev_stats(double stddev, double avg); + +#endif diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c index 199bc4d8905d..32170590892d 100644 --- a/tools/perf/util/string.c +++ b/tools/perf/util/string.c @@ -1,5 +1,5 @@ #include "util.h" -#include "string.h" +#include "linux/string.h" #define K 1024LL /* @@ -335,3 +335,19 @@ char *rtrim(char *s) return s; } + +/** + * memdup - duplicate region of memory + * @src: memory region to duplicate + * @len: memory region length + */ +void *memdup(const void *src, size_t len) +{ + void *p; + + p = malloc(len); + if (p) + memcpy(p, src, len); + + return p; +} diff --git a/tools/perf/util/strlist.c b/tools/perf/util/strlist.c index 95856ff3dda4..155d8b7078a7 100644 --- a/tools/perf/util/strlist.c +++ b/tools/perf/util/strlist.c @@ -93,7 +93,7 @@ out: void strlist__remove(struct strlist *slist, struct str_node *snode) { - str_node__delete(snode, slist->dupstr); + rblist__remove_node(&slist->rblist, &snode->rb_node); } struct str_node *strlist__find(struct strlist *slist, const char *entry) diff --git a/tools/perf/util/symbol-minimal.c b/tools/perf/util/symbol-minimal.c index 6738ea128c90..259f8f2ea9c9 100644 --- a/tools/perf/util/symbol-minimal.c +++ b/tools/perf/util/symbol-minimal.c @@ -69,8 +69,9 @@ static int read_build_id(void *note_data, size_t note_len, void *bf, return -1; } -int filename__read_debuglink(const char *filename __used, - char *debuglink __used, size_t size __used) +int filename__read_debuglink(const char *filename __maybe_unused, + char *debuglink __maybe_unused, + size_t size __maybe_unused) { return -1; } @@ -241,7 +242,8 @@ out: return ret; } -int symsrc__init(struct symsrc *ss, struct dso *dso __used, const char *name, +int symsrc__init(struct symsrc *ss, struct dso *dso __maybe_unused, + const char *name, enum dso_binary_type type) { int fd = open(name, O_RDONLY); @@ -260,13 +262,13 @@ out_close: return -1; } -bool symsrc__possibly_runtime(struct symsrc *ss __used) +bool symsrc__possibly_runtime(struct symsrc *ss __maybe_unused) { /* Assume all sym sources could be a runtime image. */ return true; } -bool symsrc__has_symtab(struct symsrc *ss __used) +bool symsrc__has_symtab(struct symsrc *ss __maybe_unused) { return false; } @@ -277,17 +279,19 @@ void symsrc__destroy(struct symsrc *ss) close(ss->fd); } -int dso__synthesize_plt_symbols(struct dso *dso __used, - struct symsrc *ss __used, - struct map *map __used, - symbol_filter_t filter __used) +int dso__synthesize_plt_symbols(struct dso *dso __maybe_unused, + struct symsrc *ss __maybe_unused, + struct map *map __maybe_unused, + symbol_filter_t filter __maybe_unused) { return 0; } -int dso__load_sym(struct dso *dso, struct map *map __used, struct symsrc *ss, - struct symsrc *runtime_ss __used, - symbol_filter_t filter __used, int kmodule __used) +int dso__load_sym(struct dso *dso, struct map *map __maybe_unused, + struct symsrc *ss, + struct symsrc *runtime_ss __maybe_unused, + symbol_filter_t filter __maybe_unused, + int kmodule __maybe_unused) { unsigned char *build_id[BUILD_ID_SIZE]; diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 753699a20bc8..e2e8c697cffe 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1596,7 +1596,7 @@ void dsos__add(struct list_head *head, struct dso *dso) list_add_tail(&dso->node, head); } -static struct dso *dsos__find(struct list_head *head, const char *name) +struct dso *dsos__find(struct list_head *head, const char *name) { struct dso *pos; @@ -1755,7 +1755,7 @@ struct process_args { }; static int symbol__in_kernel(void *arg, const char *name, - char type __used, u64 start) + char type __maybe_unused, u64 start) { struct process_args *args = arg; @@ -1991,7 +1991,7 @@ int symbol__init(void) if (symbol_conf.initialized) return 0; - symbol_conf.priv_size = ALIGN(symbol_conf.priv_size, sizeof(u64)); + symbol_conf.priv_size = PERF_ALIGN(symbol_conf.priv_size, sizeof(u64)); symbol__elf_init(); diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index fc4b1e630fd9..4ff45e30c726 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -10,6 +10,7 @@ #include <linux/rbtree.h> #include <stdio.h> #include <byteswap.h> +#include <libgen.h> #ifndef NO_LIBELF_SUPPORT #include <libelf.h> @@ -20,14 +21,15 @@ #ifdef HAVE_CPLUS_DEMANGLE extern char *cplus_demangle(const char *, int); -static inline char *bfd_demangle(void __used *v, const char *c, int i) +static inline char *bfd_demangle(void __maybe_unused *v, const char *c, int i) { return cplus_demangle(c, i); } #else #ifdef NO_DEMANGLE -static inline char *bfd_demangle(void __used *v, const char __used *c, - int __used i) +static inline char *bfd_demangle(void __maybe_unused *v, + const char __maybe_unused *c, + int __maybe_unused i) { return NULL; } @@ -293,6 +295,7 @@ static inline void dso__set_loaded(struct dso *dso, enum map_type type) void dso__sort_by_name(struct dso *dso, enum map_type type); void dsos__add(struct list_head *head, struct dso *dso); +struct dso *dsos__find(struct list_head *head, const char *name); struct dso *__dsos__findnew(struct list_head *head, const char *name); int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter); diff --git a/tools/perf/util/target.c b/tools/perf/util/target.c index 051eaa68095e..065528b7563e 100644 --- a/tools/perf/util/target.c +++ b/tools/perf/util/target.c @@ -117,8 +117,8 @@ int perf_target__strerror(struct perf_target *target, int errnum, if (err != buf) { size_t len = strlen(err); - char *c = mempcpy(buf, err, min(buflen - 1, len)); - *c = '\0'; + memcpy(buf, err, min(buflen - 1, len)); + *(buf + min(buflen - 1, len)) = '\0'; } return 0; diff --git a/tools/perf/util/top.h b/tools/perf/util/top.h index 33347ca89ee4..86ff1b15059b 100644 --- a/tools/perf/util/top.h +++ b/tools/perf/util/top.h @@ -5,6 +5,7 @@ #include "types.h" #include <stddef.h> #include <stdbool.h> +#include <termios.h> struct perf_evlist; struct perf_evsel; diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index a5a554efeb50..aa4c860a21d1 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -221,7 +221,7 @@ void print_event(struct pevent *pevent, int cpu, void *data, int size, } void parse_proc_kallsyms(struct pevent *pevent, - char *file, unsigned int size __unused) + char *file, unsigned int size __maybe_unused) { unsigned long long addr; char *func; @@ -253,7 +253,7 @@ void parse_proc_kallsyms(struct pevent *pevent, } void parse_ftrace_printk(struct pevent *pevent, - char *file, unsigned int size __unused) + char *file, unsigned int size __maybe_unused) { unsigned long long addr; char *printk; diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c index 302ff262494c..8715a1006d00 100644 --- a/tools/perf/util/trace-event-scripting.c +++ b/tools/perf/util/trace-event-scripting.c @@ -35,11 +35,11 @@ static int stop_script_unsupported(void) return 0; } -static void process_event_unsupported(union perf_event *event __unused, - struct perf_sample *sample __unused, - struct perf_evsel *evsel __unused, - struct machine *machine __unused, - struct addr_location *al __unused) +static void process_event_unsupported(union perf_event *event __maybe_unused, + struct perf_sample *sample __maybe_unused, + struct perf_evsel *evsel __maybe_unused, + struct machine *machine __maybe_unused, + struct addr_location *al __maybe_unused) { } @@ -52,17 +52,19 @@ static void print_python_unsupported_msg(void) "\n etc.\n"); } -static int python_start_script_unsupported(const char *script __unused, - int argc __unused, - const char **argv __unused) +static int python_start_script_unsupported(const char *script __maybe_unused, + int argc __maybe_unused, + const char **argv __maybe_unused) { print_python_unsupported_msg(); return -1; } -static int python_generate_script_unsupported(struct pevent *pevent __unused, - const char *outfile __unused) +static int python_generate_script_unsupported(struct pevent *pevent + __maybe_unused, + const char *outfile + __maybe_unused) { print_python_unsupported_msg(); @@ -114,17 +116,18 @@ static void print_perl_unsupported_msg(void) "\n etc.\n"); } -static int perl_start_script_unsupported(const char *script __unused, - int argc __unused, - const char **argv __unused) +static int perl_start_script_unsupported(const char *script __maybe_unused, + int argc __maybe_unused, + const char **argv __maybe_unused) { print_perl_unsupported_msg(); return -1; } -static int perl_generate_script_unsupported(struct pevent *pevent __unused, - const char *outfile __unused) +static int perl_generate_script_unsupported(struct pevent *pevent + __maybe_unused, + const char *outfile __maybe_unused) { print_perl_unsupported_msg(); diff --git a/tools/perf/util/unwind.c b/tools/perf/util/unwind.c index 00a42aa8d5c1..958723ba3d2e 100644 --- a/tools/perf/util/unwind.c +++ b/tools/perf/util/unwind.c @@ -307,32 +307,36 @@ find_proc_info(unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, need_unwind_info, arg); } -static int access_fpreg(unw_addr_space_t __used as, unw_regnum_t __used num, - unw_fpreg_t __used *val, int __used __write, - void __used *arg) +static int access_fpreg(unw_addr_space_t __maybe_unused as, + unw_regnum_t __maybe_unused num, + unw_fpreg_t __maybe_unused *val, + int __maybe_unused __write, + void __maybe_unused *arg) { pr_err("unwind: access_fpreg unsupported\n"); return -UNW_EINVAL; } -static int get_dyn_info_list_addr(unw_addr_space_t __used as, - unw_word_t __used *dil_addr, - void __used *arg) +static int get_dyn_info_list_addr(unw_addr_space_t __maybe_unused as, + unw_word_t __maybe_unused *dil_addr, + void __maybe_unused *arg) { return -UNW_ENOINFO; } -static int resume(unw_addr_space_t __used as, unw_cursor_t __used *cu, - void __used *arg) +static int resume(unw_addr_space_t __maybe_unused as, + unw_cursor_t __maybe_unused *cu, + void __maybe_unused *arg) { pr_err("unwind: resume unsupported\n"); return -UNW_EINVAL; } static int -get_proc_name(unw_addr_space_t __used as, unw_word_t __used addr, - char __used *bufp, size_t __used buf_len, - unw_word_t __used *offp, void __used *arg) +get_proc_name(unw_addr_space_t __maybe_unused as, + unw_word_t __maybe_unused addr, + char __maybe_unused *bufp, size_t __maybe_unused buf_len, + unw_word_t __maybe_unused *offp, void __maybe_unused *arg) { pr_err("unwind: get_proc_name unsupported\n"); return -UNW_EINVAL; @@ -377,7 +381,7 @@ static int reg_value(unw_word_t *valp, struct regs_dump *regs, int id, return 0; } -static int access_mem(unw_addr_space_t __used as, +static int access_mem(unw_addr_space_t __maybe_unused as, unw_word_t addr, unw_word_t *valp, int __write, void *arg) { @@ -422,7 +426,7 @@ static int access_mem(unw_addr_space_t __used as, return 0; } -static int access_reg(unw_addr_space_t __used as, +static int access_reg(unw_addr_space_t __maybe_unused as, unw_regnum_t regnum, unw_word_t *valp, int __write, void *arg) { @@ -454,9 +458,9 @@ static int access_reg(unw_addr_space_t __used as, return 0; } -static void put_unwind_info(unw_addr_space_t __used as, - unw_proc_info_t *pi __used, - void *arg __used) +static void put_unwind_info(unw_addr_space_t __maybe_unused as, + unw_proc_info_t *pi __maybe_unused, + void *arg __maybe_unused) { pr_debug("unwind: put_unwind_info called\n"); } diff --git a/tools/perf/util/unwind.h b/tools/perf/util/unwind.h index 919bd6ad8501..a78c8b303bb5 100644 --- a/tools/perf/util/unwind.h +++ b/tools/perf/util/unwind.h @@ -22,11 +22,12 @@ int unwind__get_entries(unwind_entry_cb_t cb, void *arg, int unwind__arch_reg_id(int regnum); #else static inline int -unwind__get_entries(unwind_entry_cb_t cb __used, void *arg __used, - struct machine *machine __used, - struct thread *thread __used, - u64 sample_uregs __used, - struct perf_sample *data __used) +unwind__get_entries(unwind_entry_cb_t cb __maybe_unused, + void *arg __maybe_unused, + struct machine *machine __maybe_unused, + struct thread *thread __maybe_unused, + u64 sample_uregs __maybe_unused, + struct perf_sample *data __maybe_unused) { return 0; } diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index 1b8775c3707d..2055cf38041c 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -1,7 +1,9 @@ #include "../perf.h" #include "util.h" #include <sys/mman.h> +#ifndef NO_BACKTRACE #include <execinfo.h> +#endif #include <stdio.h> #include <stdlib.h> @@ -163,6 +165,7 @@ size_t hex_width(u64 v) } /* Obtain a backtrace and print it to stdout. */ +#ifndef NO_BACKTRACE void dump_stack(void) { void *array[16]; @@ -177,3 +180,6 @@ void dump_stack(void) free(strings); } +#else +void dump_stack(void) {} +#endif diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 00a93a91a235..70fa70b535b2 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -69,13 +69,8 @@ #include <sys/poll.h> #include <sys/socket.h> #include <sys/ioctl.h> -#include <sys/select.h> -#include <netinet/in.h> -#include <netinet/tcp.h> -#include <arpa/inet.h> -#include <netdb.h> #include <inttypes.h> -#include "../../../include/linux/magic.h" +#include <linux/magic.h> #include "types.h" #include <sys/ttydefaults.h> diff --git a/tools/perf/util/vdso.c b/tools/perf/util/vdso.c new file mode 100644 index 000000000000..e60951fcdb12 --- /dev/null +++ b/tools/perf/util/vdso.c @@ -0,0 +1,111 @@ + +#include <unistd.h> +#include <stdio.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <stdlib.h> +#include <linux/kernel.h> + +#include "vdso.h" +#include "util.h" +#include "symbol.h" +#include "linux/string.h" + +static bool vdso_found; +static char vdso_file[] = "/tmp/perf-vdso.so-XXXXXX"; + +static int find_vdso_map(void **start, void **end) +{ + FILE *maps; + char line[128]; + int found = 0; + + maps = fopen("/proc/self/maps", "r"); + if (!maps) { + pr_err("vdso: cannot open maps\n"); + return -1; + } + + while (!found && fgets(line, sizeof(line), maps)) { + int m = -1; + + /* We care only about private r-x mappings. */ + if (2 != sscanf(line, "%p-%p r-xp %*x %*x:%*x %*u %n", + start, end, &m)) + continue; + if (m < 0) + continue; + + if (!strncmp(&line[m], VDSO__MAP_NAME, + sizeof(VDSO__MAP_NAME) - 1)) + found = 1; + } + + fclose(maps); + return !found; +} + +static char *get_file(void) +{ + char *vdso = NULL; + char *buf = NULL; + void *start, *end; + size_t size; + int fd; + + if (vdso_found) + return vdso_file; + + if (find_vdso_map(&start, &end)) + return NULL; + + size = end - start; + + buf = memdup(start, size); + if (!buf) + return NULL; + + fd = mkstemp(vdso_file); + if (fd < 0) + goto out; + + if (size == (size_t) write(fd, buf, size)) + vdso = vdso_file; + + close(fd); + + out: + free(buf); + + vdso_found = (vdso != NULL); + return vdso; +} + +void vdso__exit(void) +{ + if (vdso_found) + unlink(vdso_file); +} + +struct dso *vdso__dso_findnew(struct list_head *head) +{ + struct dso *dso = dsos__find(head, VDSO__MAP_NAME); + + if (!dso) { + char *file; + + file = get_file(); + if (!file) + return NULL; + + dso = dso__new(VDSO__MAP_NAME); + if (dso != NULL) { + dsos__add(head, dso); + dso__set_long_name(dso, file); + } + } + + return dso; +} diff --git a/tools/perf/util/vdso.h b/tools/perf/util/vdso.h new file mode 100644 index 000000000000..0f76e7caf6f8 --- /dev/null +++ b/tools/perf/util/vdso.h @@ -0,0 +1,18 @@ +#ifndef __PERF_VDSO__ +#define __PERF_VDSO__ + +#include <linux/types.h> +#include <string.h> +#include <stdbool.h> + +#define VDSO__MAP_NAME "[vdso]" + +static inline bool is_vdso_map(const char *filename) +{ + return !strcmp(filename, VDSO__MAP_NAME); +} + +struct dso *vdso__dso_findnew(struct list_head *head); +void vdso__exit(void); + +#endif /* __PERF_VDSO__ */ diff --git a/tools/perf/util/wrapper.c b/tools/perf/util/wrapper.c index 73e900edb5a2..19f15b650703 100644 --- a/tools/perf/util/wrapper.c +++ b/tools/perf/util/wrapper.c @@ -7,7 +7,8 @@ * There's no pack memory to release - but stay close to the Git * version so wrap this away: */ -static inline void release_pack_memory(size_t size __used, int flag __used) +static inline void release_pack_memory(size_t size __maybe_unused, + int flag __maybe_unused) { } |