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authorNamhyung Kim <namhyung@kernel.org>2014-12-22 13:44:10 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-12-23 12:01:37 -0300
commit740b97f9509ac5a015278940747178af4eb0900d (patch)
treeaa1bb483caf1e97401390e52c3344906b536c513 /tools/perf/builtin-report.c
parentperf: Fix building warning on ARM 32 (diff)
downloadlinux-dev-740b97f9509ac5a015278940747178af4eb0900d.tar.xz
linux-dev-740b97f9509ac5a015278940747178af4eb0900d.zip
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.c24
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);
}