diff options
| author |  Jeff Hostetler <jeffhost@microsoft.com> | 2021-02-03 15:34:46 +0000 |
|---|---|---|
| committer |  Junio C Hamano <gitster@pobox.com> | 2021-02-16 17:14:34 -0800 |
| commit | 15268d12bef12a40753767882088f4fcfefb3b2b (patch) | |
| tree | b49f07cb2274b160b09b40e1afe42f78f0bdb67b | |
| parent | read-cache: log the number of lstat calls to trace2 (diff) | |
| download | tgif-15268d12bef12a40753767882088f4fcfefb3b2b.tar.xz | |
read-cache: log the number of scanned files to trace2
Report the number of files in the working directory that were read and
their hashes verified in `refresh_index()`.
FSMonitor improves the performance of commands like `git status` by
avoiding scanning the disk for changed files. Let's measure this.
Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
| -rw-r--r-- | read-cache.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/read-cache.c b/read-cache.c index 893cc41e1d..c9dd7f4015 100644 --- a/read-cache.c +++ b/read-cache.c @@ -1365,7 +1365,8 @@ static struct cache_entry *refresh_cache_ent(struct index_state *istate, struct cache_entry *ce, unsigned int options, int *err, int *changed_ret, - int *t2_did_lstat) + int *t2_did_lstat, + int *t2_did_scan) { struct stat st; struct cache_entry *updated; @@ -1445,6 +1446,8 @@ static struct cache_entry *refresh_cache_ent(struct index_state *istate, } } + if (t2_did_scan) + *t2_did_scan = 1; if (ie_modified(istate, ce, &st, options)) { if (err) *err = EINVAL; @@ -1523,6 +1526,7 @@ int refresh_index(struct index_state *istate, unsigned int flags, const char *unmerged_fmt; struct progress *progress = NULL; int t2_sum_lstat = 0; + int t2_sum_scan = 0; if (flags & REFRESH_PROGRESS && isatty(2)) progress = start_delayed_progress(_("Refresh index"), @@ -1547,6 +1551,7 @@ int refresh_index(struct index_state *istate, unsigned int flags, int changed = 0; int filtered = 0; int t2_did_lstat = 0; + int t2_did_scan = 0; ce = istate->cache[i]; if (ignore_submodules && S_ISGITLINK(ce->ce_mode)) @@ -1574,8 +1579,9 @@ int refresh_index(struct index_state *istate, unsigned int flags, new_entry = refresh_cache_ent(istate, ce, options, &cache_errno, &changed, - &t2_did_lstat); + &t2_did_lstat, &t2_did_scan); t2_sum_lstat += t2_did_lstat; + t2_sum_scan += t2_did_scan; if (new_entry == ce) continue; if (progress) @@ -1612,6 +1618,7 @@ int refresh_index(struct index_state *istate, unsigned int flags, replace_index_entry(istate, i, new_entry); } trace2_data_intmax("index", NULL, "refresh/sum_lstat", t2_sum_lstat); + trace2_data_intmax("index", NULL, "refresh/sum_scan", t2_sum_scan); trace2_region_leave("index", "refresh", NULL); if (progress) { display_progress(progress, istate->cache_nr); @@ -1625,7 +1632,7 @@ struct cache_entry *refresh_cache_entry(struct index_state *istate, struct cache_entry *ce, unsigned int options) { - return refresh_cache_ent(istate, ce, options, NULL, NULL, NULL); + return refresh_cache_ent(istate, ce, options, NULL, NULL, NULL, NULL); } |