diff options
| author | Namhyung Kim <namhyung@kernel.org> | 2014-12-22 07:44:10 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-12-23 18:01:37 +0300 |
| commit | 740b97f9509ac5a015278940747178af4eb0900d (patch) | |
| tree | aa1bb483caf1e97401390e52c3344906b536c513 /tools/perf/builtin-report.c | |
| parent | ac931f87a647ca156f65a4c00e7297165e4fa2d8 (diff) | |
| download | linux-740b97f9509ac5a015278940747178af4eb0900d.tar.xz | |
perf report: Show progress bar for output resorting
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>
Diffstat (limited to 'tools/perf/builtin-report.c')
| -rw-r--r-- | tools/perf/builtin-report.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 39367609c707..072ae8ad67fc 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -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); } |