From: tip-bot for Ravi Bangoria <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: mingo@kernel.org, eranian@google.com, acme@redhat.com,
ak@linux.intel.com, tglx@linutronix.de,
linux-kernel@vger.kernel.org, peterz@infradead.org,
jolsa@redhat.com, ravi.bangoria@linux.vnet.ibm.com,
hpa@zytor.com, alexander.shishkin@linux.intel.com
Subject: [tip:perf/core] perf stat: Correct --no-aggr description
Date: Mon, 20 Mar 2017 23:53:06 -0700 [thread overview]
Message-ID: <tip-efc9c05681c589ed942bf8c55a774853938ca8d4@git.kernel.org> (raw)
In-Reply-To: <1490013438-5713-1-git-send-email-ravi.bangoria@linux.vnet.ibm.com>
Commit-ID: efc9c05681c589ed942bf8c55a774853938ca8d4
Gitweb: http://git.kernel.org/tip/efc9c05681c589ed942bf8c55a774853938ca8d4
Author: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
AuthorDate: Mon, 20 Mar 2017 18:07:18 +0530
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Mon, 20 Mar 2017 15:01:31 -0300
perf stat: Correct --no-aggr description
Description of --no-aggr in perf-stat man page is outdated. --no-aggr
can also be used while profiling specific set of cpus. For ex,
$ perf stat -e cycles,instructions -C 1-2 --no-aggr -- sleep 1
Performance counter stats for 'CPU(s) 1-2':
CPU1 5,94,92,795 cycles
CPU2 2,69,72,403 cycles
CPU1 2,02,08,327 instructions # 0.34 insn per cycle
CPU2 73,17,123 instructions # 0.12 insn per cycle
1.000989132 seconds time elapsed
Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1490013438-5713-1-git-send-email-ravi.bangoria@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/Documentation/perf-stat.txt | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt
index aecf2a8..9785481 100644
--- a/tools/perf/Documentation/perf-stat.txt
+++ b/tools/perf/Documentation/perf-stat.txt
@@ -94,8 +94,7 @@ to activate system-wide monitoring. Default is to count on all CPUs.
-A::
--no-aggr::
-Do not aggregate counts across all monitored CPUs in system-wide mode (-a).
-This option is only valid in system-wide mode.
+Do not aggregate counts across all monitored CPUs.
-n::
--null::
prev parent reply other threads:[~2017-03-21 7:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-20 12:37 [PATCH] " Ravi Bangoria
2017-03-20 13:37 ` Arnaldo Carvalho de Melo
2017-03-21 6:53 ` tip-bot for Ravi Bangoria [this message]
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