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perf tools: Support event grouping in hpp ->sort() 

Move logic of hist_entry__sort_on_period to __hpp__sort() in order to
support event group report.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Ingo Molnar <mingo@kernel.org>
Link: http://lkml.kernel.org/r/1400480762-22852-5-git-send-email-namhyung@kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
This commit is contained in:
Namhyung Kim 2014-03-03 14:14:03 +09:00 committed by Jiri Olsa
parent 093f0ef34c
commit f156d84e42
1 changed files with 58 additions and 6 deletions
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64
tools/perf/ui/hist.c
View File

@ -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); \
}