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From: Peter Zijlstra <peterz@infradead.org>
To: Vince Weaver <vincent.weaver@maine.edu>
Cc: linux-kernel@vger.kernel.org, Will Deacon <will.deacon@arm.com>,
	Paul Mackerras <paulus@samba.org>, Ingo Molnar <mingo@redhat.com>,
	Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
	Stephane Eranian <eranian@gmail.com>
Subject: Re: [patch/rfc] perf on raspberry-pi without overflow interrupt
Date: Wed, 8 Jan 2014 23:53:15 +0100	[thread overview]
Message-ID: <20140108225315.GG31570@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <alpine.DEB.2.10.1401081613370.4410@vincent-weaver-1.um.maine.edu>

On Wed, Jan 08, 2014 at 04:28:20PM -0500, Vince Weaver wrote:
> Should the perf_event interface handle setups like this better and work 
> fine in aggregate mode but return ENOTSUP if a sampled or overflow event 
> is attempted?

Yeah that would be better, we do something similar for P6 class machines
without lapic IIRC.

  parent reply	other threads:[~2014-01-08 22:54 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-08 21:28 [patch/rfc] perf on raspberry-pi without overflow interrupt Vince Weaver
2014-01-08 22:23 ` Stephane Eranian
2014-01-08 22:53 ` Peter Zijlstra [this message]
2014-01-09  3:47   ` Vince Weaver
2014-01-09 10:19     ` Will Deacon
2014-01-10  4:08       ` Vince Weaver
2014-01-10  9:40         ` Peter Zijlstra
2014-01-14  4:55           ` Vince Weaver
2014-01-14 10:57             ` Peter Zijlstra
2014-01-16 17:13               ` Vince Weaver
2014-01-16 17:31                 ` Peter Zijlstra
2014-01-17  5:45                   ` Vince Weaver
2014-02-24 10:46                     ` Will Deacon
2014-02-24 15:37                       ` Vince Weaver
2014-05-07 17:29                         ` Will Deacon
2014-05-07 21:21                           ` Vince Weaver
2014-05-07 21:23                             ` Will Deacon
2014-01-10 10:08         ` Will Deacon
2014-01-10 10:43           ` Stephane Eranian
2014-01-10 13:54             ` Vince Weaver
2014-01-14  4:42           ` Vince Weaver
2014-01-15 18:38             ` Will Deacon
2014-01-16 16:13               ` Vince Weaver

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