diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/annotate.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index a5a6d686004e..467bae0279ce 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -863,18 +863,38 @@ static struct annotation *symbol__get_annotation(struct symbol *sym, bool cycles return notes; } +static struct annotated_source *symbol__hists(struct symbol *sym) +{ + struct annotation *notes = symbol__annotation(sym); + + if (notes->src == NULL) { + notes->src = annotated_source__new(); + if (notes->src == NULL) + return NULL; + goto alloc_histograms; + } + + if (notes->src->histograms == NULL) { +alloc_histograms: + annotated_source__alloc_histograms(notes->src, symbol__size(sym), + symbol_conf.nr_events); + } + + return notes->src; +} + static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, struct perf_evsel *evsel, u64 addr, struct perf_sample *sample) { - struct annotation *notes; + struct annotated_source *src; if (sym == NULL) return 0; - notes = symbol__get_annotation(sym, false); - if (notes == NULL) + src = symbol__hists(sym); + if (src == NULL) return -ENOMEM; - return __symbol__inc_addr_samples(sym, map, notes->src, evsel->idx, addr, sample); + return __symbol__inc_addr_samples(sym, map, src, evsel->idx, addr, sample); } static int symbol__account_cycles(u64 addr, u64 start, |