diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/annotate.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 3d9f2ca2ed2d..7e5a1e8874ce 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -354,9 +354,6 @@ static struct ins_ops nop_ops = { .scnprintf = nop__scnprintf, }; -/* - * Must be sorted by name! - */ static struct ins instructions[] = { { .name = "add", .ops = &mov_ops, }, { .name = "addl", .ops = &mov_ops, }, @@ -449,18 +446,39 @@ static struct ins instructions[] = { { .name = "xbeginq", .ops = &jump_ops, }, }; -static int ins__cmp(const void *name, const void *insp) +static int ins__key_cmp(const void *name, const void *insp) { const struct ins *ins = insp; return strcmp(name, ins->name); } +static int ins__cmp(const void *a, const void *b) +{ + const struct ins *ia = a; + const struct ins *ib = b; + + return strcmp(ia->name, ib->name); +} + +static void ins__sort(void) +{ + const int nmemb = ARRAY_SIZE(instructions); + + qsort(instructions, nmemb, sizeof(struct ins), ins__cmp); +} + static struct ins *ins__find(const char *name) { const int nmemb = ARRAY_SIZE(instructions); + static bool sorted; + + if (!sorted) { + ins__sort(); + sorted = true; + } - return bsearch(name, instructions, nmemb, sizeof(struct ins), ins__cmp); + return bsearch(name, instructions, nmemb, sizeof(struct ins), ins__key_cmp); } int symbol__annotate_init(struct map *map __maybe_unused, struct symbol *sym) |