linux-kernel - [PATCH 12/19] perf hists browser: Indicate which callchain entries are annotated

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Message-Id: <1426964078-16384-13-git-send-email-acme@kernel.org>
Date:	Sat, 21 Mar 2015 15:54:31 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Borislav Petkov <bp@...e.de>, David Ahern <dsahern@...il.com>,
	Don Zickus <dzickus@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>, Mike Galbraith <efault@....de>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 12/19] perf hists browser: Indicate which callchain entries are annotated

From: Arnaldo Carvalho de Melo <acme@...hat.com>

Now that we can annotate entries in a callchain, show which ones have an
associated symbol and samples, by adding a right arrow just before the
symbol name when in verbose mode.

To toggle verbose mode press 'V'.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Borislav Petkov <bp@...e.de>
Cc: David Ahern <dsahern@...il.com>
Cc: Don Zickus <dzickus@...hat.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Mike Galbraith <efault@....de>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/n/tip-d2rf1p3h5gdp7hdl2gf2bozl@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/ui/browsers/hists.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index cd7350aeb8e7..995b7a8596b1 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -511,6 +511,7 @@ static void hist_browser__show_callchain_entry(struct hist_browser *browser,
 {
 	int color, width;
 	char folded_sign = callchain_list__folded(chain);
+	bool show_annotated = browser->show_dso && chain->ms.sym && symbol__annotation(chain->ms.sym)->src;
 
 	color = HE_COLORSET_NORMAL;
 	width = browser->b.width - (offset + 2);
@@ -523,7 +524,8 @@ static void hist_browser__show_callchain_entry(struct hist_browser *browser,
 	ui_browser__set_color(&browser->b, color);
 	hist_browser__gotorc(browser, row, 0);
 	slsmg_write_nstring(" ", offset);
-	slsmg_printf("%c ", folded_sign);
+	slsmg_printf("%c", folded_sign);
+	ui_browser__write_graph(&browser->b, show_annotated ? SLSMG_RARROW_CHAR : ' ');
 	slsmg_write_nstring(str, width);
 }
 
-- 
1.9.3

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