From: Peter Zijlstra <peterz@infradead.org>
To: Andi Kleen <andi@firstfloor.org>
Cc: linux-kernel@vger.kernel.org, Andi Kleen <ak@linux.intel.com>,
kan.liang@intel.com
Subject: Re: [PATCH] x86, perf: Allow time stamp for free running PEBSv3
Date: Tue, 12 May 2015 23:36:26 +0200 [thread overview]
Message-ID: <20150512213626.GU21418@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <1431454308-582-1-git-send-email-andi@firstfloor.org>
On Tue, May 12, 2015 at 11:11:48AM -0700, Andi Kleen wrote:
> +static unsigned long intel_pmu_free_running_flags(struct perf_event *event)
> +{
> + unsigned long flags = x86_pmu.free_running_flags;
> +
> + if (event->attr.clockid)
Made that: use_clockid, otherwise CLOCK_REALTIME would still allow this
(if it were allowed with hardware events).
> + flags &= ~PERF_SAMPLE_TIME;
> + return flags;
> +}
prev parent reply other threads:[~2015-05-12 21:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-12 18:11 Andi Kleen
2015-05-12 21:36 ` Peter Zijlstra [this message]
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