diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/ui/hist.c | 64 |
1 files changed, 58 insertions, 6 deletions
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c index a6eea666b443..0299385284fd 100644 --- a/tools/perf/ui/hist.c +++ b/tools/perf/ui/hist.c @@ -116,6 +116,62 @@ int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he, return ret; } +static int field_cmp(u64 field_a, u64 field_b) +{ + if (field_a > field_b) + return 1; + if (field_a < field_b) + return -1; + return 0; +} + +static int __hpp__sort(struct hist_entry *a, struct hist_entry *b, + hpp_field_fn get_field) +{ + s64 ret; + int i, nr_members; + struct perf_evsel *evsel; + struct hist_entry *pair; + u64 *fields_a, *fields_b; + + ret = field_cmp(get_field(a), get_field(b)); + if (ret || !symbol_conf.event_group) + return ret; + + evsel = hists_to_evsel(a->hists); + if (!perf_evsel__is_group_event(evsel)) + return ret; + + nr_members = evsel->nr_members; + fields_a = calloc(sizeof(*fields_a), nr_members); + fields_b = calloc(sizeof(*fields_b), nr_members); + + if (!fields_a || !fields_b) + goto out; + + list_for_each_entry(pair, &a->pairs.head, pairs.node) { + evsel = hists_to_evsel(pair->hists); + fields_a[perf_evsel__group_idx(evsel)] = get_field(pair); + } + + list_for_each_entry(pair, &b->pairs.head, pairs.node) { + evsel = hists_to_evsel(pair->hists); + fields_b[perf_evsel__group_idx(evsel)] = get_field(pair); + } + + for (i = 1; i < nr_members; i++) { + ret = field_cmp(fields_a[i], fields_b[i]); + if (ret) + break; + } + +out: + free(fields_a); + free(fields_b); + + return ret; +} + #define __HPP_HEADER_FN(_type, _str, _min_width, _unit_width) \ static int hpp__header_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \ struct perf_hpp *hpp, \ @@ -195,9 +251,7 @@ static int hpp__entry_##_type(struct perf_hpp_fmt *_fmt __maybe_unused, \ #define __HPP_SORT_FN(_type, _field) \ static int64_t hpp__sort_##_type(struct hist_entry *a, struct hist_entry *b) \ { \ - s64 __a = he_get_##_field(a); \ - s64 __b = he_get_##_field(b); \ - return __a - __b; \ + return __hpp__sort(a, b, he_get_##_field); \ } #define __HPP_ENTRY_RAW_FN(_type, _field) \ @@ -217,9 +271,7 @@ static int hpp__entry_##_type(struct perf_hpp_fmt *_fmt __maybe_unused, \ #define __HPP_SORT_RAW_FN(_type, _field) \ static int64_t hpp__sort_##_type(struct hist_entry *a, struct hist_entry *b) \ { \ - s64 __a = he_get_raw_##_field(a); \ - s64 __b = he_get_raw_##_field(b); \ - return __a - __b; \ + return __hpp__sort(a, b, he_get_raw_##_field); \ } |