freshlybakedca.ke
Git fork
pack-bitmap: extra trace2 information
Add some extra trace2 lines to capture the number of bitmap lookups that
are hits versus misses, as well as the number of reachability roots that
have bitmap coverage (versus those that do not).
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
authored by
Taylor Blau
and committed by
Junio C Hamano
25163f50
11d45a6e
+25
-1
pack-bitmap.c
+25
-1
pack-bitmap.c
···
116
116
117
117
static int pseudo_merges_satisfied_nr;
118
118
static int pseudo_merges_cascades_nr;
119
+
static int existing_bitmaps_hits_nr;
120
+
static int existing_bitmaps_misses_nr;
121
+
static int roots_with_bitmaps_nr;
122
+
static int roots_without_bitmaps_nr;
119
123
120
124
static struct ewah_bitmap *lookup_stored_bitmap(struct stored_bitmap *st)
121
125
{
···
1040
1044
1041
1045
partial = bitmap_for_commit(bitmap_git, commit);
1042
1046
if (partial) {
1047
+
existing_bitmaps_hits_nr++;
1048
+
1043
1049
bitmap_or_ewah(data->base, partial);
1044
1050
return 0;
1045
1051
}
1052
+
1053
+
existing_bitmaps_misses_nr++;
1046
1054
1047
1055
bitmap_set(data->base, bitmap_pos);
1048
1056
if (apply_pseudo_merges_for_commit_1(bitmap_git, data->base, commit,
···
1099
1107
{
1100
1108
struct ewah_bitmap *or_with = bitmap_for_commit(bitmap_git, commit);
1101
1109
1102
-
if (!or_with)
1110
+
if (!or_with) {
1111
+
existing_bitmaps_misses_nr++;
1103
1112
return 0;
1113
+
}
1114
+
1115
+
existing_bitmaps_hits_nr++;
1104
1116
1105
1117
if (!*base)
1106
1118
*base = ewah_to_bitmap(or_with);
···
1407
1419
object->flags &= ~UNINTERESTING;
1408
1420
add_pending_object(revs, object, "");
1409
1421
needs_walk = 1;
1422
+
1423
+
roots_without_bitmaps_nr++;
1410
1424
} else {
1411
1425
object->flags |= SEEN;
1426
+
1427
+
roots_with_bitmaps_nr++;
1412
1428
}
1413
1429
}
1414
1430
···
1975
1991
pseudo_merges_satisfied_nr);
1976
1992
trace2_data_intmax("bitmap", the_repository, "pseudo_merges_cascades",
1977
1993
pseudo_merges_cascades_nr);
1994
+
trace2_data_intmax("bitmap", the_repository, "bitmap/hits",
1995
+
existing_bitmaps_hits_nr);
1996
+
trace2_data_intmax("bitmap", the_repository, "bitmap/misses",
1997
+
existing_bitmaps_misses_nr);
1998
+
trace2_data_intmax("bitmap", the_repository, "bitmap/roots_with_bitmap",
1999
+
roots_with_bitmaps_nr);
2000
+
trace2_data_intmax("bitmap", the_repository, "bitmap/roots_without_bitmap",
2001
+
roots_without_bitmaps_nr);
1978
2002
1979
2003
return bitmap_git;
1980
2004