xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

perf report: Show progress bar for output resorting

Browse Source 
Sometimes it takes a long time to resort hist entries for output in case
of a large data file.  Show a progress bar window and inform user.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1419223455-4362-3-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
2014-12-22 13:44:10 +09:00
committed by Arnaldo Carvalho de Melo
parent ac931f87a6
commit 740b97f950
9 changed files with 43 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
tools/perf/builtin-report.c
View File

@@ -457,6 +457,19 @@ static void report__collapse_hists(struct report *rep)
ui_progress__finish();
}
static void report__output_resort(struct report *rep)
{
struct ui_progress prog;
struct perf_evsel *pos;
ui_progress__init(&prog, rep->nr_entries, "Sorting events for output...");
evlist__for_each(rep->session->evlist, pos)
hists__output_resort(evsel__hists(pos), &prog);
ui_progress__finish();
}
static int __cmd_report(struct report *rep)
{
int ret;
@@ -505,13 +518,20 @@ static int __cmd_report(struct report *rep)
if (session_done())
return 0;
/*
* recalculate number of entries after collapsing since it
* might be changed during the collapse phase.
*/
rep->nr_entries = 0;
evlist__for_each(session->evlist, pos)
rep->nr_entries += evsel__hists(pos)->nr_entries;
if (rep->nr_entries == 0) {
ui__error("The %s file has no samples!\n", file->path);
return 0;
}
evlist__for_each(session->evlist, pos)
hists__output_resort(evsel__hists(pos));
report__output_resort(rep);
return report__browse_hists(rep);
}