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perf ui/hist: Add support for event group view

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Show group member's overhead also when showing the leader's if event
group is enabled.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1358845787-1350-10-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2013-01-22 18:09:37 +09:00 committed by Arnaldo Carvalho de Melo
parent 843985e953
commit 5b9e2146ec
2 changed files with 63 additions and 1 deletions
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62
tools/perf/ui/hist.c
View File

@ -21,6 +21,53 @@ static int __hpp__percent_fmt(struct perf_hpp *hpp, struct hist_entry *he,
percent = 100.0 * get_field(he) / hists->stats.total_period;
ret = print_fn(hpp->buf, hpp->size, fmt, percent);
if (symbol_conf.event_group) {
int prev_idx, idx_delta;
struct perf_evsel *evsel = hists_to_evsel(hists);
struct hist_entry *pair;
int nr_members = evsel->nr_members;
if (nr_members <= 1)
return ret;
prev_idx = perf_evsel__group_idx(evsel);
list_for_each_entry(pair, &he->pairs.head, pairs.node) {
u64 period = get_field(pair);
u64 total = pair->hists->stats.total_period;
if (!total)
continue;
evsel = hists_to_evsel(pair->hists);
idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;
while (idx_delta--) {
/*
* zero-fill group members in the middle which
* have no sample
*/
ret += print_fn(hpp->buf + ret, hpp->size - ret,
fmt, 0.0);
}
ret += print_fn(hpp->buf + ret, hpp->size - ret,
fmt, 100.0 * period / total);
prev_idx = perf_evsel__group_idx(evsel);
}
idx_delta = nr_members - prev_idx - 1;
while (idx_delta--) {
/*
* zero-fill group members at last which have no sample
*/
ret += print_fn(hpp->buf + ret, hpp->size - ret,
fmt, 0.0);
}
}
return ret;
}
@ -40,6 +87,11 @@ static int hpp__header_##_type(struct perf_hpp *hpp) \
{ \
int len = _min_width; \
\
if (symbol_conf.event_group) { \
struct perf_evsel *evsel = hpp->ptr; \
\
len = max(len, evsel->nr_members * _unit_width); \
} \
return scnprintf(hpp->buf, hpp->size, "%*s", len, _str); \
}
@ -48,6 +100,11 @@ static int hpp__width_##_type(struct perf_hpp *hpp __maybe_unused) \
{ \
int len = _min_width; \
\
if (symbol_conf.event_group) { \
struct perf_evsel *evsel = hpp->ptr; \
\
len = max(len, evsel->nr_members * _unit_width); \
} \
return len; \
}
@ -438,12 +495,15 @@ unsigned int hists__sort_list_width(struct hists *hists)
struct perf_hpp_fmt *fmt;
struct sort_entry *se;
int i = 0, ret = 0;
struct perf_hpp dummy_hpp = {
.ptr = hists_to_evsel(hists),
};
perf_hpp__for_each_format(fmt) {
if (i)
ret += 2;
ret += fmt->width(NULL);
ret += fmt->width(&dummy_hpp);
}
list_for_each_entry(se, &hist_entry__sort_list, list)

2
tools/perf/ui/stdio/hist.c
View File

@ -3,6 +3,7 @@
#include "../../util/util.h"
#include "../../util/hist.h"
#include "../../util/sort.h"
#include "../../util/evsel.h"
static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
@ -347,6 +348,7 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
struct perf_hpp dummy_hpp = {
.buf = bf,
.size = sizeof(bf),
.ptr = hists_to_evsel(hists),
};
bool first = true;