linux-kernel - [tip:perf/core] perf hists browser: Indicate which callchain entries are annotated

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Message-ID: <tip-d2rf1p3h5gdp7hdl2gf2bozl@git.kernel.org>
Date:	Sun, 22 Mar 2015 03:17:03 -0700
From:	tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	jolsa@...hat.com, hpa@...or.com, eranian@...gle.com,
	linux-kernel@...r.kernel.org, fweisbec@...il.com,
	dzickus@...hat.com, acme@...hat.com, efault@....de,
	peterz@...radead.org, tglx@...utronix.de, mingo@...nel.org,
	dsahern@...il.com, namhyung@...nel.org, adrian.hunter@...el.com,
	bp@...e.de
Subject: [tip:perf/core] perf hists browser:
  Indicate which callchain entries are annotated

Commit-ID:  70e972788888315851a5c1b4982efbcafcd03b5b
Gitweb:     http://git.kernel.org/tip/70e972788888315851a5c1b4982efbcafcd03b5b
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Thu, 19 Mar 2015 16:07:21 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Sat, 21 Mar 2015 14:53:37 -0300

perf hists browser: Indicate which callchain entries are annotated

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 cd7350a..995b7a8 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);
 }
 
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