From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
Cc: peterz@infradead.org, mingo@redhat.com,
alexander.shishkin@linux.intel.com, jolsa@redhat.com,
ak@linux.intel.com, eranian@google.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] perf stat: Correct --no-aggr description
Date: Mon, 20 Mar 2017 10:37:58 -0300 [thread overview]
Message-ID: <20170320133758.GA27647@kernel.org> (raw)
In-Reply-To: <1490013438-5713-1-git-send-email-ravi.bangoria@linux.vnet.ibm.com>
Em Mon, Mar 20, 2017 at 06:07:18PM +0530, Ravi Bangoria escreveu:
> Description of --no-aggr in perf-stat man page is outdated.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
Thanks, applied.
- Arnaldo
next prev parent reply other threads:[~2017-03-20 13:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-20 12:37 [PATCH] perf stat: Correct --no-aggr description Ravi Bangoria
2017-03-20 13:37 ` Arnaldo Carvalho de Melo [this message]
2017-03-21 6:53 ` [tip:perf/core] " tip-bot for Ravi Bangoria
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