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Message-ID: <tip-27a778b512e002d856952b4f01842ba4d34bc3d1@git.kernel.org>
Date: Thu, 14 Nov 2013 23:24:32 -0800
From: tip-bot for Pekka Enberg <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: acme@...hat.com, linux-kernel@...r.kernel.org, mingo@...hat.com,
hpa@...or.com, mingo@...nel.org, penberg@...nel.org,
dsahern@...il.com, tglx@...utronix.de
Subject: [tip:perf/urgent] perf trace: Tweak summary output
Commit-ID: 27a778b512e002d856952b4f01842ba4d34bc3d1
Gitweb: http://git.kernel.org/tip/27a778b512e002d856952b4f01842ba4d34bc3d1
Author: Pekka Enberg <penberg@...nel.org>
AuthorDate: Wed, 13 Nov 2013 14:21:48 +0200
Committer: Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Thu, 14 Nov 2013 15:59:20 -0300
perf trace: Tweak summary output
Tweak the summary output as suggested by Ingo Molnar:
[penberg@...alhost ~]$ perf trace -a --duration 10000 --summary -- sleep 1
^C
Summary of events:
Xorg (817), 148 events, 0.0%, 0.000 msec
syscall calls min avg max stddev
(msec) (msec) (msec) (%)
--------------- -------- --------- --------- --------- ------
read 7 0.002 0.004 0.011 32.00%
rt_sigprocmask 40 0.001 0.001 0.002 1.31%
ioctl 6 0.002 0.003 0.005 19.45%
writev 7 0.004 0.018 0.059 43.76%
select 9 0.000 74.513 507.869 74.61%
setitimer 4 0.001 0.002 0.002 10.08%
Suggested-by: Ingo Molnar <mingo@...nel.org>
Signed-off-by: Pekka Enberg <penberg@...nel.org>
Acked-by: Ingo Molnar <mingo@...nel.org>
Cc: David Ahern <dsahern@...il.com>
Cc: Ingo Molnar <mingo@...hat.com>
Link: http://lkml.kernel.org/r/1384345308-24404-1-git-send-email-penberg@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/perf/builtin-trace.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 6b230af..8be17fc 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -2112,9 +2112,9 @@ static size_t thread__dump_stats(struct thread_trace *ttrace,
printed += fprintf(fp, "\n");
- printed += fprintf(fp, " msec/call\n");
- printed += fprintf(fp, " syscall calls min avg max stddev\n");
- printed += fprintf(fp, " --------------- -------- -------- -------- -------- ------\n");
+ printed += fprintf(fp, " syscall calls min avg max stddev\n");
+ printed += fprintf(fp, " (msec) (msec) (msec) (%%)\n");
+ printed += fprintf(fp, " --------------- -------- --------- --------- --------- ------\n");
/* each int_node is a syscall */
while (inode) {
@@ -2131,9 +2131,9 @@ static size_t thread__dump_stats(struct thread_trace *ttrace,
sc = &trace->syscalls.table[inode->i];
printed += fprintf(fp, " %-15s", sc->name);
- printed += fprintf(fp, " %8" PRIu64 " %8.3f %8.3f",
+ printed += fprintf(fp, " %8" PRIu64 " %9.3f %9.3f",
n, min, avg);
- printed += fprintf(fp, " %8.3f %6.2f\n", max, pct);
+ printed += fprintf(fp, " %9.3f %9.2f%%\n", max, pct);
}
inode = intlist__next(inode);
--
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