diff options
| -rw-r--r-- | refs/packed-backend.c | 2 | ||||
| -rwxr-xr-x | t/t1419-exclude-refs.sh | 59 | ||||
| -rw-r--r-- | trace2.h | 2 | ||||
| -rw-r--r-- | trace2/tr2_ctr.c | 5 |
4 files changed, 49 insertions, 19 deletions
diff --git a/refs/packed-backend.c b/refs/packed-backend.c index 092b50fa84..97cc2090fd 100644 --- a/refs/packed-backend.c +++ b/refs/packed-backend.c @@ -12,6 +12,7 @@ #include "../chdir-notify.h" #include "../wrapper.h" #include "../write-or-die.h" +#include "../trace2.h" enum mmap_strategy { /* @@ -845,6 +846,7 @@ static int next_record(struct packed_ref_iterator *iter) iter->jump_cur++; if (iter->pos < curr->end) { iter->pos = curr->end; + trace2_counter_add(TRACE2_COUNTER_ID_PACKED_REFS_JUMPS, 1); /* jumps are coalesced, so only one jump is necessary */ break; } diff --git a/t/t1419-exclude-refs.sh b/t/t1419-exclude-refs.sh index bc534c8ea1..5d8c86b657 100755 --- a/t/t1419-exclude-refs.sh +++ b/t/t1419-exclude-refs.sh @@ -9,7 +9,8 @@ TEST_PASSES_SANITIZE_LEAK=true . ./test-lib.sh for_each_ref__exclude () { - test-tool ref-store main for-each-ref--exclude "$@" >actual.raw + GIT_TRACE2_PERF=1 test-tool ref-store main \ + for-each-ref--exclude "$@" >actual.raw cut -d ' ' -f 2 actual.raw } @@ -17,6 +18,17 @@ for_each_ref () { git for-each-ref --format='%(refname)' "$@" } +assert_jumps () { + local nr="$1" + local trace="$2" + + grep -q "name:jumps_made value:$nr$" $trace +} + +assert_no_jumps () { + ! assert_jumps ".*" "$1" +} + test_expect_success 'setup' ' test_commit --no-tag base && base="$(git rev-parse HEAD)" && @@ -35,67 +47,76 @@ test_expect_success 'setup' ' ' test_expect_success 'excluded region in middle' ' - for_each_ref__exclude refs/heads refs/heads/foo >actual && + for_each_ref__exclude refs/heads refs/heads/foo >actual 2>perf && for_each_ref refs/heads/bar refs/heads/baz refs/heads/quux >expect && - test_cmp expect actual + test_cmp expect actual && + assert_jumps 1 perf ' test_expect_success 'excluded region at beginning' ' - for_each_ref__exclude refs/heads refs/heads/bar >actual && + for_each_ref__exclude refs/heads refs/heads/bar >actual 2>perf && for_each_ref refs/heads/baz refs/heads/foo refs/heads/quux >expect && - test_cmp expect actual + test_cmp expect actual && + assert_jumps 1 perf ' test_expect_success 'excluded region at end' ' - for_each_ref__exclude refs/heads refs/heads/quux >actual && + for_each_ref__exclude refs/heads refs/heads/quux >actual 2>perf && for_each_ref refs/heads/foo refs/heads/bar refs/heads/baz >expect && - test_cmp expect actual + test_cmp expect actual && + assert_jumps 1 perf ' test_expect_success 'disjoint excluded regions' ' - for_each_ref__exclude refs/heads refs/heads/bar refs/heads/quux >actual && + for_each_ref__exclude refs/heads refs/heads/bar refs/heads/quux >actual 2>perf && for_each_ref refs/heads/baz refs/heads/foo >expect && - test_cmp expect actual + test_cmp expect actual && + assert_jumps 2 perf ' test_expect_success 'adjacent, non-overlapping excluded regions' ' - for_each_ref__exclude refs/heads refs/heads/bar refs/heads/baz >actual && + for_each_ref__exclude refs/heads refs/heads/bar refs/heads/baz >actual 2>perf && for_each_ref refs/heads/foo refs/heads/quux >expect && - test_cmp expect actual + test_cmp expect actual && + assert_jumps 1 perf ' test_expect_success 'overlapping excluded regions' ' - for_each_ref__exclude refs/heads refs/heads/ba refs/heads/baz >actual && + for_each_ref__exclude refs/heads refs/heads/ba refs/heads/baz >actual 2>perf && for_each_ref refs/heads/foo refs/heads/quux >expect && - test_cmp expect actual + test_cmp expect actual && + assert_jumps 1 perf ' test_expect_success 'several overlapping excluded regions' ' for_each_ref__exclude refs/heads \ - refs/heads/bar refs/heads/baz refs/heads/foo >actual && + refs/heads/bar refs/heads/baz refs/heads/foo >actual 2>perf && for_each_ref refs/heads/quux >expect && - test_cmp expect actual + test_cmp expect actual && + assert_jumps 1 perf ' test_expect_success 'non-matching excluded section' ' - for_each_ref__exclude refs/heads refs/heads/does/not/exist >actual && + for_each_ref__exclude refs/heads refs/heads/does/not/exist >actual 2>perf && for_each_ref >expect && - test_cmp expect actual + test_cmp expect actual && + assert_no_jumps perf ' test_expect_success 'meta-characters are discarded' ' - for_each_ref__exclude refs/heads "refs/heads/ba*" >actual && + for_each_ref__exclude refs/heads "refs/heads/ba*" >actual 2>perf && for_each_ref >expect && - test_cmp expect actual + test_cmp expect actual && + assert_no_jumps perf ' test_done @@ -551,6 +551,8 @@ enum trace2_counter_id { TRACE2_COUNTER_ID_TEST1 = 0, /* emits summary event only */ TRACE2_COUNTER_ID_TEST2, /* emits summary and thread events */ + TRACE2_COUNTER_ID_PACKED_REFS_JUMPS, /* counts number of jumps */ + /* Add additional counter definitions before here. */ TRACE2_NUMBER_OF_COUNTERS }; diff --git a/trace2/tr2_ctr.c b/trace2/tr2_ctr.c index b342d3b1a3..50570d0165 100644 --- a/trace2/tr2_ctr.c +++ b/trace2/tr2_ctr.c @@ -27,6 +27,11 @@ static struct tr2_counter_metadata tr2_counter_metadata[TRACE2_NUMBER_OF_COUNTER .name = "test2", .want_per_thread_events = 1, }, + [TRACE2_COUNTER_ID_PACKED_REFS_JUMPS] = { + .category = "packed-refs", + .name = "jumps_made", + .want_per_thread_events = 0, + }, /* Add additional metadata before here. */ }; |