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Sat, 08 May 2021 12:59:08 -0700 (PDT) Message-Id: <9f1c0d78d739cc1da8517eea92e81a7bd162578f.1620503945.git.gitgitgadget@gmail.com> In-Reply-To: References: From: "Elijah Newren via GitGitGadget" Date: Sat, 08 May 2021 19:58:57 +0000 Subject: [PATCH v3 1/8] [RFC] dir: convert trace calls to trace2 equivalents Fcc: Sent Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit MIME-Version: 1.0 To: git@vger.kernel.org Cc: Eric Sunshine , Elijah Newren , Derrick Stolee , Jeff King , Philip Oakley , Jeff Hostetler , Josh Steadmon , Elijah Newren , Elijah Newren Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org From: Elijah Newren Signed-off-by: Elijah Newren --- dir.c | 34 ++++-- t/t7063-status-untracked-cache.sh | 193 +++++++++++++++++------------- t/t7519-status-fsmonitor.sh | 8 +- 3 files changed, 135 insertions(+), 100 deletions(-) diff --git a/dir.c b/dir.c index 3474e67e8f3c..9f7c8debeab3 100644 --- a/dir.c +++ b/dir.c @@ -2760,12 +2760,29 @@ static struct untracked_cache_dir *validate_untracked_cache(struct dir_struct *d return root; } +static void trace2_read_directory_statistics(struct dir_struct *dir, + struct repository *repo) +{ + if (!dir->untracked) + return; + trace2_data_intmax("read_directory", repo, + "node-creation", dir->untracked->dir_created); + trace2_data_intmax("read_directory", repo, + "gitignore-invalidation", + dir->untracked->gitignore_invalidated); + trace2_data_intmax("read_directory", repo, + "directory-invalidation", + dir->untracked->dir_invalidated); + trace2_data_intmax("read_directory", repo, + "opendir", dir->untracked->dir_opened); +} + int read_directory(struct dir_struct *dir, struct index_state *istate, const char *path, int len, const struct pathspec *pathspec) { struct untracked_cache_dir *untracked; - trace_performance_enter(); + trace2_region_enter("dir", "read_directory", istate->repo); if (has_symlink_leading_path(path, len)) { trace_performance_leave("read directory %.*s", len, path); @@ -2784,23 +2801,13 @@ int read_directory(struct dir_struct *dir, struct index_state *istate, QSORT(dir->entries, dir->nr, cmp_dir_entry); QSORT(dir->ignored, dir->ignored_nr, cmp_dir_entry); - trace_performance_leave("read directory %.*s", len, path); + trace2_region_leave("dir", "read_directory", istate->repo); if (dir->untracked) { static int force_untracked_cache = -1; - static struct trace_key trace_untracked_stats = TRACE_KEY_INIT(UNTRACKED_STATS); if (force_untracked_cache < 0) force_untracked_cache = git_env_bool("GIT_FORCE_UNTRACKED_CACHE", 0); - trace_printf_key(&trace_untracked_stats, - "node creation: %u\n" - "gitignore invalidation: %u\n" - "directory invalidation: %u\n" - "opendir: %u\n", - dir->untracked->dir_created, - dir->untracked->gitignore_invalidated, - dir->untracked->dir_invalidated, - dir->untracked->dir_opened); if (force_untracked_cache && dir->untracked == istate->untracked && (dir->untracked->dir_opened || @@ -2811,6 +2818,9 @@ int read_directory(struct dir_struct *dir, struct index_state *istate, FREE_AND_NULL(dir->untracked); } } + + if (trace2_is_enabled()) + trace2_read_directory_statistics(dir, istate->repo); return dir->nr; } diff --git a/t/t7063-status-untracked-cache.sh b/t/t7063-status-untracked-cache.sh index accefde72fb1..6bce65b439e3 100755 --- a/t/t7063-status-untracked-cache.sh +++ b/t/t7063-status-untracked-cache.sh @@ -57,6 +57,19 @@ iuc () { return $ret } +get_relevant_traces() { + # From the GIT_TRACE2_PERF data of the form + # $TIME $FILE:$LINE | d0 | main | data | r1 | ? | ? | read_directo | $RELEVANT_STAT + # extract the $RELEVANT_STAT fields. We don't care about region_enter + # or region_leave, or stats for things outside read_directory. + INPUT_FILE=$1 + OUTPUT_FILE=$2 + grep data.*read_directo $INPUT_FILE \ + | cut -d "|" -f 9 \ + >$OUTPUT_FILE +} + + test_lazy_prereq UNTRACKED_CACHE ' { git update-index --test-untracked-cache; ret=$?; } && test $ret -ne 1 @@ -129,19 +142,20 @@ EOF test_expect_success 'status first time (empty cache)' ' avoid_racy && - : >../trace && - GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \ + : >../trace.output && + GIT_TRACE2_PERF="$TRASH_DIRECTORY/trace.output" \ git status --porcelain >../actual && iuc status --porcelain >../status.iuc && test_cmp ../status.expect ../status.iuc && test_cmp ../status.expect ../actual && + get_relevant_traces ../trace.output ../trace.relevant && cat >../trace.expect <../trace && - GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \ + : >../trace.output && + GIT_TRACE2_PERF="$TRASH_DIRECTORY/trace.output" \ git status --porcelain >../actual && iuc status --porcelain >../status.iuc && test_cmp ../status.expect ../status.iuc && test_cmp ../status.expect ../actual && + get_relevant_traces ../trace.output ../trace.relevant && cat >../trace.expect <four && - : >../trace && - GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \ + : >../trace.output && + GIT_TRACE2_PERF="$TRASH_DIRECTORY/trace.output" \ git status --porcelain >../actual && iuc status --porcelain >../status.iuc && cat >../status.expect <../trace.expect <.gitignore && - : >../trace && - GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \ + : >../trace.output && + GIT_TRACE2_PERF="$TRASH_DIRECTORY/trace.output" \ git status --porcelain >../actual && iuc status --porcelain >../status.iuc && cat >../status.expect <../trace.expect <>.git/info/exclude && - : >../trace && - GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \ + : >../trace.output && + GIT_TRACE2_PERF="$TRASH_DIRECTORY/trace.output" \ git status --porcelain >../actual && iuc status --porcelain >../status.iuc && cat >../status.expect <../trace.expect <../trace && - GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \ + : >../trace.output && + GIT_TRACE2_PERF="$TRASH_DIRECTORY/trace.output" \ git status --porcelain >../actual && iuc status --porcelain >../status.iuc && cat >../status.expect <../trace.expect <../trace && - GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \ + : >../trace.output && + GIT_TRACE2_PERF="$TRASH_DIRECTORY/trace.output" \ git status --porcelain >../actual && iuc status --porcelain >../status.iuc && cat >../status.expect <../trace.expect <../trace && - GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \ + : >../trace.output && + GIT_TRACE2_PERF="$TRASH_DIRECTORY/trace.output" \ git status --porcelain >../actual && iuc status --porcelain >../status.iuc && cat >../status.expect <../trace.expect <../trace && + : >../trace.output && avoid_racy && - GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \ + GIT_TRACE2_PERF="$TRASH_DIRECTORY/trace.output" \ git status --porcelain >../status.actual && iuc status --porcelain >../status.iuc && cat >../status.expect <../trace.expect <../trace && - GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \ + : >../trace.output && + GIT_TRACE2_PERF="$TRASH_DIRECTORY/trace.output" \ git status --porcelain >../status.actual && iuc status --porcelain >../status.iuc && cat >../status.expect <../trace.expect <../trace && - GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \ + : >../trace.output && + GIT_TRACE2_PERF="$TRASH_DIRECTORY/trace.output" \ git status --porcelain >../status.actual && iuc status --porcelain >../status.iuc && cat >../status.expect <../trace.expect <../trace && - GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace" \ + : >../trace.output && + GIT_TRACE2_PERF="$TRASH_DIRECTORY/trace.output" \ git status --porcelain >../status.actual && iuc status --porcelain >../status.iuc && test_cmp ../status.expect ../status.iuc && test_cmp ../status.expect ../status.actual && + get_relevant_traces ../trace.output ../trace.relevant && cat >../trace.expect <../before ) && @@ -346,12 +346,12 @@ test_expect_success UNTRACKED_CACHE 'ignore .git changes when invalidating UNTR' EOF ( cd dot-git && - GIT_TRACE_UNTRACKED_STATS="$TRASH_DIRECTORY/trace-after" \ + GIT_TRACE2_PERF="$TRASH_DIRECTORY/trace-after" \ git status && test-tool dump-untracked-cache >../after ) && - grep "directory invalidation" trace-before >>before && - grep "directory invalidation" trace-after >>after && + grep "directory-invalidation" trace-before | cut -d"|" -f 9 >>before && + grep "directory-invalidation" trace-after | cut -d"|" -f 9 >>after && # UNTR extension unchanged, dir invalidation count unchanged test_cmp before after ' -- gitgitgadget