linux-kernel - [tip:perf/stat] perf stat: Fix printout vertical alignment

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Message-ID: <tip-7y40wib8n1eqio7hjpn0dsrm@git.kernel.org>
Date:	Wed, 27 Apr 2011 16:04:34 GMT
From:	tip-bot for Ingo Molnar <mingo@...e.hu>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, acme@...hat.com, hpa@...or.com,
	mingo@...hat.com, a.p.zijlstra@...llo.nl, fweisbec@...il.com,
	tglx@...utronix.de, mingo@...e.hu
Subject: [tip:perf/stat] perf stat: Fix printout vertical alignment

Commit-ID:  9ceb1c3d1fe15c2f9b55eaa8978019ef0e0a06ac
Gitweb:     http://git.kernel.org/tip/9ceb1c3d1fe15c2f9b55eaa8978019ef0e0a06ac
Author:     Ingo Molnar <mingo@...e.hu>
AuthorDate: Thu, 28 Apr 2011 02:57:53 +0200
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Wed, 27 Apr 2011 17:48:55 +0200

perf stat: Fix printout vertical alignment

Before:

 |
 | Performance counter stats for '/home/mingo/hackbench 20' (5 runs):
 |
 |        71,321,607 instructions:u           #    0.42  insns per cycle  ( +-  0.00% )
 |       168,040,009 cycles:u                 #    0.000 GHz                      ( +-  0.81% )
 |
 |        1.468002368  seconds time elapsed  ( +-  1.33% )
 |

After:

 |
 | Performance counter stats for '/home/mingo/hackbench 20' (5 runs):
 |
 |        71,321,607 instructions:u           #    0.42  insns per cycle          ( +-  0.00% )
 |       168,040,009 cycles:u                 #    0.000 GHz                      ( +-  0.81% )
 |
 |        1.468002368  seconds time elapsed  ( +-  1.33% )
 |

The last column (stddev noise) is properly aligned, vertically.

Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Link: http://lkml.kernel.org/n/tip-7y40wib8n1eqio7hjpn0dsrm@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 tools/perf/builtin-stat.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 6959fde..003caa8 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -575,7 +575,7 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg)
 		if (total)
 			ratio = avg / total;
 
-		fprintf(stderr, " #    %4.2f  insns per cycle", ratio);
+		fprintf(stderr, " #    %4.2f  insns per cycle        ", ratio);
 
 		total = avg_stats(&runtime_stalled_cycles_stats[cpu]);
 
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