linux-kernel - [ 005/150] perf hists: Fix period symbol_conf.field

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Date:	Tue, 26 Feb 2013 15:54:22 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Jiri Olsa <jolsa@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...e.hu>, Paul Mackerras <paulus@...ba.org>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Josh Boyer <jwboyer@...hat.com>
Subject: [ 005/150] perf hists: Fix period symbol_conf.field_sep display

3.8-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jiri Olsa <jolsa@...hat.com>

commit c0d246b85fc7d42688d7a5d999ea671777caf65b upstream.

Currently we don't properly display hist data with symbol_conf.field_sep
separator. We need to display either space or separator.

Signed-off-by: Jiri Olsa <jolsa@...hat.com>
Cc: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Link: http://lkml.kernel.org/n/tip-cyggwys0bz5kqdowwvfd8h72@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Josh Boyer <jwboyer@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 tools/perf/ui/hist.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -463,11 +463,15 @@ int hist_entry__period_snprintf(struct p
 		if (!perf_hpp__format[i].cond)
 			continue;
 
+		/*
+		 * If there's no field_sep, we still need
+		 * to display initial '  '.
+		 */
 		if (!sep || !first) {
 			ret = scnprintf(hpp->buf, hpp->size, "%s", sep ?: "  ");
 			advance_hpp(hpp, ret);
+		} else
 			first = false;
-		}
 
 		if (color && perf_hpp__format[i].color)
 			ret = perf_hpp__format[i].color(hpp, he);


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