From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Ravi Bangoria <ravi.bangoria@linux.ibm.com>,
linuxppc-dev@lists.ozlabs.org
Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com>,
maddy@linux.vnet.ibm.com, linux-kernel@vger.kernel.org,
npiggin@gmail.com, paulus@samba.org, ebiederm@xmission.com,
muriloo@linux.ibm.com, leitao@debian.org,
naveen.n.rao@linux.vnet.ibm.com, aneesh.kumar@linux.vnet.ibm.com
Subject: Re: [v2] Powerpc/perf: Wire up PMI throttling
Date: Mon, 24 Dec 2018 00:27:52 +1100 (AEDT) [thread overview]
Message-ID: <43N3884F5Nz9sDP@ozlabs.org> (raw)
In-Reply-To: <20181121035637.17446-1-ravi.bangoria@linux.ibm.com>
On Wed, 2018-11-21 at 03:56:37 UTC, Ravi Bangoria wrote:
> Commit 14c63f17b1fde ("perf: Drop sample rate when sampling is too
> slow") introduced a way to throttle PMU interrupts if we're spending
> too much time just processing those. Wire up powerpc PMI handler to
> use this infrastructure.
>
> We have throttling of the *rate* of interrupts, but this adds
> throttling based on the *time taken* to process the interrupts.
>
> Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/0c9108b083706330cd5484d121fbb0
cheers
prev parent reply other threads:[~2018-12-23 13:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-21 3:56 [PATCH v2] Powerpc/perf: Wire up PMI throttling Ravi Bangoria
2018-12-23 13:27 ` Michael Ellerman [this message]
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