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From: Jiri Olsa <jolsa@redhat.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Jiri Olsa <jolsa@kernel.org>, lkml <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@kernel.org>, Andi Kleen <andi@firstfloor.org>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Vince Weaver <vince@deater.net>
Subject: Re: [PATCH 4/4] perf/x86/intel: Throttle PEBS events only from pmi
Date: Wed, 25 Jan 2017 14:02:54 +0100	[thread overview]
Message-ID: <20170125130254.GB24586@krava> (raw)
In-Reply-To: <20170124164122.GL25813@worktop.programming.kicks-ass.net>

On Tue, Jan 24, 2017 at 05:41:22PM +0100, Peter Zijlstra wrote:

SNIP

> ---
> diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
> index 1635c0c8df23..a95707a4140f 100644
> --- a/arch/x86/events/core.c
> +++ b/arch/x86/events/core.c
> @@ -1343,6 +1343,8 @@ void x86_pmu_stop(struct perf_event *event, int flags)
>  		cpuc->events[hwc->idx] = NULL;
>  		WARN_ON_ONCE(hwc->state & PERF_HES_STOPPED);
>  		hwc->state |= PERF_HES_STOPPED;
> +	} else {
> +		hwc->state |= PERF_HES_ARCH;
>  	}
>  
>  	if ((flags & PERF_EF_UPDATE) && !(hwc->state & PERF_HES_UPTODATE)) {

I think that will work, I'll try to test it

jirka

      parent reply	other threads:[~2017-01-25 13:02 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-28 13:31 [PATCH 0/4] perf: Fuzzer fixes Jiri Olsa
2016-12-28 13:31 ` [PATCH 1/4] perf/x86/intel: Account interrupts for PEBS errors Jiri Olsa
2017-01-14 12:29   ` [tip:perf/urgent] " tip-bot for Jiri Olsa
2016-12-28 13:31 ` [PATCH 2/4] perf/x86: Fix period for non sampling events Jiri Olsa
2017-01-03  9:40   ` Peter Zijlstra
2017-01-03 14:24     ` [PATCH] perf/x86: Reject non sampling events with precise_ip Jiri Olsa
2017-01-03 22:06       ` Vince Weaver
2017-01-14 12:29       ` [tip:perf/urgent] " tip-bot for Jiri Olsa
2017-01-03 15:09   ` [PATCH 2/4] perf/x86: Fix period for non sampling events Peter Zijlstra
2017-01-03 15:26     ` Jiri Olsa
2016-12-28 13:31 ` [PATCH 3/4] perf: Add perf_event_overflow_throttle function Jiri Olsa
2016-12-28 13:31 ` [PATCH 4/4] perf/x86/intel: Throttle PEBS events only from pmi Jiri Olsa
2017-01-03 13:45   ` Peter Zijlstra
2017-01-24 16:41   ` Peter Zijlstra
2017-01-25 13:02     ` Jiri Olsa
2017-01-25 13:02     ` Jiri Olsa [this message]

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