linux-kernel - [PATCH V4 11/13] perf tools: put dso name in symbol annotation title

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Message-Id: <1375875537-4509-12-git-send-email-adrian.hunter@intel.com>
Date:	Wed,  7 Aug 2013 14:38:55 +0300
From:	Adrian Hunter <adrian.hunter@...el.com>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	linux-kernel@...r.kernel.org, David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>, Mike Galbraith <efault@....de>,
	Namhyung Kim <namhyung@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>,
	Ingo Molnar <mingo@...nel.org>
Subject: [PATCH V4 11/13] perf tools: put dso name in symbol annotation title

Currently the symbol name is displayed at the top
when displaying symbol annotation.  Add to this
the dso long name.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---
 tools/perf/ui/browsers/annotate.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index cc64d3f..0f88a77 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -428,6 +428,14 @@ static void annotate_browser__init_asm_mode(struct annotate_browser *browser)
 	browser->b.nr_entries = browser->nr_asm_entries;
 }
 
+#define SYM_TITLE_MAX_SIZE (PATH_MAX + 64)
+
+static int sym_title(struct symbol *sym, struct map *map, char *title,
+		     size_t sz)
+{
+	return snprintf(title, sz, "%s  %s", sym->name, map->dso->long_name);
+}
+
 static bool annotate_browser__callq(struct annotate_browser *browser,
 				    struct perf_evsel *evsel,
 				    struct hist_browser_timer *hbt)
@@ -438,6 +446,7 @@ static bool annotate_browser__callq(struct annotate_browser *browser,
 	struct annotation *notes;
 	struct symbol *target;
 	u64 ip;
+	char title[SYM_TITLE_MAX_SIZE];
 
 	if (!ins__is_call(dl->ins))
 		return false;
@@ -461,7 +470,8 @@ static bool annotate_browser__callq(struct annotate_browser *browser,
 
 	pthread_mutex_unlock(&notes->lock);
 	symbol__tui_annotate(target, ms->map, evsel, hbt);
-	ui_browser__show_title(&browser->b, sym->name);
+	sym_title(sym, ms->map, title, sizeof(title));
+	ui_browser__show_title(&browser->b, title);
 	return true;
 }
 
@@ -653,8 +663,10 @@ static int annotate_browser__run(struct annotate_browser *browser,
 	const char *help = "Press 'h' for help on key bindings";
 	int delay_secs = hbt ? hbt->refresh : 0;
 	int key;
+	char title[SYM_TITLE_MAX_SIZE];
 
-	if (ui_browser__show(&browser->b, sym->name, help) < 0)
+	sym_title(sym, ms->map, title, sizeof(title));
+	if (ui_browser__show(&browser->b, title, help) < 0)
 		return -1;
 
 	annotate_browser__calc_percent(browser, evsel);
-- 
1.7.11.7

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