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authorAnkur Arora <ankur.a.arora@oracle.com>2025-09-17 08:24:10 -0700
committerArnaldo Carvalho de Melo <acme@redhat.com>2025-09-19 12:43:49 -0300
commitc3047f9a1ab457b60caa3b2baa2c605b935ca4f1 (patch)
treef5e45dbcac2b6092b077e9c5a77f26a760f962c5 /tools/perf/bench
parentperf bench mem: Allow chunking on a memory region (diff)
downloadlinux-c3047f9a1ab457b60caa3b2baa2c605b935ca4f1.tar.gz
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perf bench mem: Refactor mem_options
Split mem benchmark options into common and memset/memcpy specific. Reviewed-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Ankur Arora <ankur.a.arora@oracle.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: David Hildenbrand <david@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Mateusz Guzik <mjguzik@gmail.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Raghavendra K T <raghavendra.kt@amd.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/bench')
-rw-r--r--tools/perf/bench/mem-functions.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/tools/perf/bench/mem-functions.c b/tools/perf/bench/mem-functions.c
index 69968ba63d81..2a23bed8c2d3 100644
--- a/tools/perf/bench/mem-functions.c
+++ b/tools/perf/bench/mem-functions.c
@@ -41,7 +41,7 @@ static unsigned int nr_loops = 1;
static bool use_cycles;
static int cycles_fd;
-static const struct option options[] = {
+static const struct option bench_common_options[] = {
OPT_STRING('s', "size", &size_str, "1MB",
"Specify the size of the memory buffers. "
"Available units: B, KB, MB, GB and TB (case insensitive)"),
@@ -50,10 +50,6 @@ static const struct option options[] = {
"Specify page-size for mapping memory buffers. "
"Available sizes: 4KB, 2MB, 1GB (case insensitive)"),
- OPT_STRING('k', "chunk", &chunk_size_str, "0",
- "Specify the chunk-size for each invocation. "
- "Available units: B, KB, MB, GB and TB (case insensitive)"),
-
OPT_STRING('f', "function", &function_str, "all",
"Specify the function to run, \"all\" runs all available functions, \"help\" lists them"),
@@ -66,6 +62,14 @@ static const struct option options[] = {
OPT_END()
};
+static const struct option bench_mem_options[] = {
+ OPT_STRING('k', "chunk", &chunk_size_str, "0",
+ "Specify the chunk-size for each invocation. "
+ "Available units: B, KB, MB, GB and TB (case insensitive)"),
+ OPT_PARENT(bench_common_options),
+ OPT_END()
+};
+
union bench_clock {
u64 cycles;
struct timeval tv;
@@ -84,6 +88,7 @@ struct bench_mem_info {
int (*do_op)(const struct function *r, struct bench_params *p,
void *src, void *dst, union bench_clock *rt);
const char *const *usage;
+ const struct option *options;
bool alloc_src;
};
@@ -230,7 +235,7 @@ static int bench_mem_common(int argc, const char **argv, struct bench_mem_info *
struct bench_params p = { 0 };
unsigned int page_size;
- argc = parse_options(argc, argv, options, info->usage, 0);
+ argc = parse_options(argc, argv, info->options, info->usage, 0);
if (use_cycles) {
i = init_cycles();
@@ -397,6 +402,7 @@ int bench_mem_memcpy(int argc, const char **argv)
.functions = memcpy_functions,
.do_op = do_memcpy,
.usage = bench_mem_memcpy_usage,
+ .options = bench_mem_options,
.alloc_src = true,
};
@@ -454,6 +460,7 @@ int bench_mem_memset(int argc, const char **argv)
.functions = memset_functions,
.do_op = do_memset,
.usage = bench_mem_memset_usage,
+ .options = bench_mem_options,
};
return bench_mem_common(argc, argv, &info);