From: Markus Trippelsdorf <markus@trippelsdorf.de>
To: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>
Subject: Re: "perf: interrupt took too long" messages even with perf_cpu_time_max_percent==0
Date: Sat, 2 Apr 2016 13:23:51 +0200 [thread overview]
Message-ID: <20160402112351.GC305@x4> (raw)
In-Reply-To: <20160402111726.GB305@x4>
On 2016.04.02 at 13:17 +0200, Markus Trippelsdorf wrote:
> > Does the below help?
>
> Thanks. I will test it later. But 91a612eea9a3 makes the assumption that only
> sysctl_perf_cpu_time_max_percent==100 disables the feature also in
> kernel/events/core.c.
Please ignore the last sentence. It doesn't make sense.
--
Markus
next prev parent reply other threads:[~2016-04-02 11:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-02 9:32 "perf: interrupt took too long" messages even with perf_cpu_time_max_percent==0 Markus Trippelsdorf
2016-04-02 11:00 ` Peter Zijlstra
2016-04-02 11:17 ` Markus Trippelsdorf
2016-04-02 11:23 ` Markus Trippelsdorf [this message]
2016-04-02 16:33 ` Peter Zijlstra
2016-04-13 10:03 ` Markus Trippelsdorf
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