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perf tools: Show progress on histogram collapsing

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It can take quite amount of time so add progress bar UI to inform user.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1381468543-25334-4-git-send-email-namhyung@kernel.org
[ perf_progress -> ui_progress ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
2013-10-11 14:15:38 +09:00
committed by Arnaldo Carvalho de Melo
parent 4d3001fdfd
commit c1fb5651bb
7 changed files with 20 additions and 8 deletions
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10
tools/perf/builtin-report.c
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@@ -496,6 +496,7 @@ static int __cmd_report(struct perf_report *rep)
struct map *kernel_map;
struct kmap *kernel_kmap;
const char *help = "For a higher level overview, try: perf report --sort comm,dso";
struct ui_progress prog;
struct perf_data_file *file = session->file;
signal(SIGINT, sig_handler);
@@ -557,6 +558,12 @@ static int __cmd_report(struct perf_report *rep)
return 0;
}
nr_samples = 0;
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;
@@ -564,7 +571,7 @@ static int __cmd_report(struct perf_report *rep)
if (pos->idx == 0)
hists->symbol_filter_str = rep->symbol_filter_str;
hists__collapse_resort(hists);
hists__collapse_resort(hists, &prog);
nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE];
/* Non-group events are considered as leader */
@@ -576,6 +583,7 @@ static int __cmd_report(struct perf_report *rep)
hists__link(leader_hists, hists);
}
}
ui_progress__finish();
if (session_done())
return 0;