[tip:perf/core] perf evsel: Add output_resort_cb method

[tip-bot for Jiri Olsa]

Commit-ID:  5749618764c2dbbb0091035d84dd763529afe4e6
Gitweb:     https://git.kernel.org/tip/5749618764c2dbbb0091035d84dd763529afe4e6
Author:     Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Mon, 4 Feb 2019 15:18:07 +0100
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 6 Feb 2019 10:00:40 -0300

perf evsel: Add output_resort_cb method

Add perf_evsel__output_resort_cb() so we have an interface with a
callback for each hist entry. It will be used in the following patch.

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Jin Yao <yao.jin@xxxxxxxxxxxxxxx>
Cc: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20190204141808.23031-3-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/util/hist.c | 10 ++++++++--
 tools/perf/util/hist.h |  2 ++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 64ad603a0592..669f961316f0 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -1775,7 +1775,8 @@ static void output_resort(struct hists *hists, struct ui_progress *prog,
 	}
 }
 
-void perf_evsel__output_resort(struct perf_evsel *evsel, struct ui_progress *prog)
+void perf_evsel__output_resort_cb(struct perf_evsel *evsel, struct ui_progress *prog,
+				  hists__resort_cb_t cb, void *cb_arg)
 {
 	bool use_callchain;
 
@@ -1786,7 +1787,12 @@ void perf_evsel__output_resort(struct perf_evsel *evsel, struct ui_progress *pro
 
 	use_callchain |= symbol_conf.show_branchflag_count;
 
-	output_resort(evsel__hists(evsel), prog, use_callchain, NULL, NULL);
+	output_resort(evsel__hists(evsel), prog, use_callchain, cb, cb_arg);
+}
+
+void perf_evsel__output_resort(struct perf_evsel *evsel, struct ui_progress *prog)
+{
+	return perf_evsel__output_resort_cb(evsel, prog, NULL, NULL);
 }
 
 void hists__output_resort(struct hists *hists, struct ui_progress *prog)
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 69a367d4aeaf..4af27fbab24f 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -165,6 +165,8 @@ void hist_entry__delete(struct hist_entry *he);
 
 typedef int (*hists__resort_cb_t)(struct hist_entry *he, void *arg);
 
+void perf_evsel__output_resort_cb(struct perf_evsel *evsel, struct ui_progress *prog,
+				  hists__resort_cb_t cb, void *cb_arg);
 void perf_evsel__output_resort(struct perf_evsel *evsel, struct ui_progress *prog);
 void hists__output_resort(struct hists *hists, struct ui_progress *prog);
 void hists__output_resort_cb(struct hists *hists, struct ui_progress *prog,