From: Andi Kleen <ak@linux.intel.com>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
Jiri Olsa <jolsa@redhat.com>, Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
LKML <linux-kernel@vger.kernel.org>,
Stephane Eranian <eranian@google.com>,
Ian Rogers <irogers@google.com>, Sam Xi <xyzsam@google.com>
Subject: Re: [PATCH] perf stat: Use proper cpu for shadow stats
Date: Fri, 13 Nov 2020 11:18:04 -0800 [thread overview]
Message-ID: <20201113191804.GH894261@tassilo.jf.intel.com> (raw)
In-Reply-To: <20201113050236.175141-1-namhyung@kernel.org>
> CPU0 109,621,384 cycles
> CPU1 159,026,454 cycles
> CPU2 99,460,366 cycles
> CPU3 124,144,142 cycles
> CPU0 44,396,706 instructions # 0.41 insn per cycle
> CPU1 120,195,425 instructions # 0.76 insn per cycle
> CPU2 44,763,978 instructions # 0.45 insn per cycle
> CPU3 69,049,079 instructions # 0.56 insn per cycle
>
> 1.001910444 seconds time elapsed
Yes makes a lot of sense. Thanks for tracking that down.
Reviewed-by: Andi Kleen <ak@linux.intel.com>
-Andi
next prev parent reply other threads:[~2020-11-13 19:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-13 5:02 Namhyung Kim
2020-11-13 19:18 ` Andi Kleen [this message]
2020-11-13 22:16 ` Jiri Olsa
2020-11-14 0:23 ` Namhyung Kim
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