From: Jiri Olsa <jolsa@redhat.com>
To: Jin Yao <yao.jin@linux.intel.com>
Cc: acme@kernel.org, jolsa@kernel.org, peterz@infradead.org,
mingo@redhat.com, alexander.shishkin@linux.intel.com,
Linux-kernel@vger.kernel.org, ak@linux.intel.com,
kan.liang@intel.com, yao.jin@intel.com
Subject: Re: [PATCH v4] perf diff: Report noisy for cycles diff
Date: Thu, 15 Aug 2019 15:23:02 +0200 [thread overview]
Message-ID: <20190815132302.GI30356@krava> (raw)
In-Reply-To: <20190813073037.3420-1-yao.jin@linux.intel.com>
On Tue, Aug 13, 2019 at 03:30:37PM +0800, Jin Yao wrote:
> This patch prints the stddev and hist for the cycles diff of
> program block. It can help us to understand if the cycles
> is noisy or not.
>
> This patch is inspired by Andi Kleen's patch
> https://lwn.net/Articles/600471/
now that we have sparks support, we could respin it ;-)
jirka
next prev parent reply other threads:[~2019-08-15 13:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-13 7:30 [PATCH v4] perf diff: Report noisy for cycles diff Jin Yao
2019-08-15 13:22 ` Jiri Olsa
2019-08-16 1:22 ` Jin, Yao
2019-08-15 13:23 ` Jiri Olsa [this message]
2019-08-16 1:24 ` Jin, Yao
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