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ee4512ed48
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> |
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| .. | ||
| .gitignore | ||
| test-chmtime.c | ||
| test-config.c | ||
| test-ctype.c | ||
| test-date.c | ||
| test-delta.c | ||
| test-drop-caches.c | ||
| test-dump-cache-tree.c | ||
| test-dump-fsmonitor.c | ||
| test-dump-split-index.c | ||
| test-dump-untracked-cache.c | ||
| test-example-decorate.c | ||
| test-fake-ssh.c | ||
| test-genrandom.c | ||
| test-genzeros.c | ||
| test-hash-speed.c | ||
| test-hash.c | ||
| test-hashmap.c | ||
| test-index-version.c | ||
| test-json-writer.c | ||
| test-lazy-init-name-hash.c | ||
| test-line-buffer.c | ||
| test-match-trees.c | ||
| test-mergesort.c | ||
| test-mktemp.c | ||
| test-online-cpus.c | ||
| test-parse-options.c | ||
| test-path-utils.c | ||
| test-pkt-line.c | ||
| test-prio-queue.c | ||
| test-reach.c | ||
| test-read-cache.c | ||
| test-read-midx.c | ||
| test-ref-store.c | ||
| test-regex.c | ||
| test-repository.c | ||
| test-revision-walking.c | ||
| test-run-command.c | ||
| test-scrap-cache-tree.c | ||
| test-sha1-array.c | ||
| test-sha1.c | ||
| test-sha1.sh | ||
| test-sha256.c | ||
| test-sigchain.c | ||
| test-strcmp-offset.c | ||
| test-string-list.c | ||
| test-submodule-config.c | ||
| test-submodule-nested-repo-config.c | ||
| test-subprocess.c | ||
| test-svn-fe.c | ||
| test-tool.c | ||
| test-tool.h | ||
| test-urlmatch-normalization.c | ||
| test-wildmatch.c | ||
| test-windows-named-pipe.c | ||
| test-write-cache.c | ||
| test-xml-encode.c | ||