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generated by cgit v1.2.3 (git 2.39.1) at 2025-12-11 21:33:19 +0000
gt; 2019-02-22trace2:data: add subverb to checkout commandJeff Hostetler1-0/+7 Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> 2019-02-22trace2:data: pack-objects: add trace2 regionsDerrick Stolee1-1/+15 When studying the performance of 'git push' we would like to know how much time is spent at various parts of the command. One area that could cause performance trouble is 'git pack-objects'. Add trace2 regions around the three main actions taken in this command: 1. Enumerate objects. 2. Prepare pack. 3. Write pack-file. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> 2019-02-22trace2:data: add trace2 instrumentation to index read/writeJeff Hostetler1-1/+50 Add trace2 events to measure reading and writing the index. Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> 2019-02-22trace2:data: add trace2 hook classificationJeff Hostetler5-0/+9 Classify certain child processes as hooks. Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> 2019-02-22trace2:data: add trace2 transport child classificationJeff Hostetler2-0/+5 Add trace2 child classification for transport processes. Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> 2019-02-22trace2:data: add trace2 sub-process classificationJeff Hostetler1-0/+1 Add trace2 classification for long-running processes started in sub-process.c Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> 2019-02-22trace2:data: add editor/pager child classificationJeff Hostetler2-0/+2 Add trace2 process classification for editor and pager child processes. Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> 2019-02-22trace2:data: add trace2 regions to wt-statusJeff Hostetler1-2/+22 Add trace2_region_enter() and trace2_region_leave() calls around the various phases of a status scan. This gives elapsed time for each phase in the GIT_TR2_PERF and GIT_TR2_EVENT trace target. Also, these Trace2 calls now use s->repo rather than the_repository. Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> 2019-02-22trace2: collect Windows-specific process informationJeff Hostetler4-0/+164 Add platform-specific interface to log information about the current process. On Windows, this interface is used to indicate whether the git process is running under a debugger and list names of the process ancestors. Information for other platforms is left for a future effort. Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> 2019-02-22trace2: create new combined trace facilityJeff Hostetler39-18/+3806 Create a new unified tracing facility for git. The eventual intent is to replace the current trace_printf* and trace_performance* routines with a unified set of git_trace2* routines. In addition to the usual printf-style API, trace2 provides higer-level event verbs with fixed-fields allowing structured data to be written. This makes post-processing and analysis easier for external tools. Trace2 defines 3 output targets. These are set using the environment variables "GIT_TR2", "GIT_TR2_PERF", and "GIT_TR2_EVENT". These may be set to "1" or to an absolute pathname (just like the current GIT_TRACE). * GIT_TR2 is intended to be a replacement for GIT_TRACE and logs command summary data. * GIT_TR2_PERF is intended as a replacement for GIT_TRACE_PERFORMANCE. It extends the output with columns for the command process, thread, repo, absolute and relative elapsed times. It reports events for child process start/stop, thread start/stop, and per-thread function nesting. * GIT_TR2_EVENT is a new structured format. It writes event data as a series of JSON records. Calls to trace2 functions log to any of the 3 output targets enabled without the need to call different trace_printf* or trace_performance* routines. Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>