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perf report: Move histogram entries collapsing to separate function

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Further uncluttering the main 'report' function by group related code in
separate function.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-b594zsbwke8khir13kudwqmj@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2014-01-08 14:45:24 -03:00
parent 8362951b7b
commit f6d8b0571c
1 changed files with 45 additions and 28 deletions
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73
tools/perf/builtin-report.c
View File

@ -486,13 +486,55 @@ static int report__browse_hists(struct report *rep)
return ret; return ret;
} }
static u64 report__collapse_hists(struct report *rep)
{
struct ui_progress prog;
struct perf_evsel *pos;
u64 nr_samples = 0;
/*
* Count number of histogram entries to use when showing progress,
* reusing nr_samples variable.
*/
list_for_each_entry(pos, &rep->session->evlist->entries, node)
nr_samples += pos->hists.nr_entries;
ui_progress__init(&prog, nr_samples, "Merging related events...");
/*
* Count total number of samples, will be used to check if this
* session had any.
*/
nr_samples = 0;
list_for_each_entry(pos, &rep->session->evlist->entries, node) {
struct hists *hists = &pos->hists;
if (pos->idx == 0)
hists->symbol_filter_str = rep->symbol_filter_str;
hists__collapse_resort(hists, &prog);
nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE];
/* Non-group events are considered as leader */
if (symbol_conf.event_group &&
!perf_evsel__is_group_leader(pos)) {
struct hists *leader_hists = &pos->leader->hists;
hists__match(leader_hists, hists);
hists__link(leader_hists, hists);
}
}
ui_progress__finish();
return nr_samples;
}
static int __cmd_report(struct report *rep) static int __cmd_report(struct report *rep)
{ {
int ret = -EINVAL; int ret;
u64 nr_samples; u64 nr_samples;
struct perf_session *session = rep->session; struct perf_session *session = rep->session;
struct perf_evsel *pos; struct perf_evsel *pos;
struct ui_progress prog;
struct perf_data_file *file = session->file; struct perf_data_file *file = session->file;
signal(SIGINT, sig_handler); signal(SIGINT, sig_handler);
@ -530,32 +572,7 @@ static int __cmd_report(struct report *rep)
} }
} }
nr_samples = 0; nr_samples = report__collapse_hists(rep);
list_for_each_entry(pos, &session->evlist->entries, node)
nr_samples += pos->hists.nr_entries;
ui_progress__init(&prog, nr_samples, "Merging related events...");
nr_samples = 0;
list_for_each_entry(pos, &session->evlist->entries, node) {
struct hists *hists = &pos->hists;
if (pos->idx == 0)
hists->symbol_filter_str = rep->symbol_filter_str;
hists__collapse_resort(hists, &prog);
nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE];
/* Non-group events are considered as leader */
if (symbol_conf.event_group &&
!perf_evsel__is_group_leader(pos)) {
struct hists *leader_hists = &pos->leader->hists;
hists__match(leader_hists, hists);
hists__link(leader_hists, hists);
}
}
ui_progress__finish();
if (session_done()) if (session_done())
return 0; return 0;