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From: Peter Zijlstra <peterz@infradead.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: "Pekka Enberg" <penberg@kernel.org>,
	"Paul Mackerras" <paulus@samba.org>,
	"Avi Kivity" <avi@redhat.com>,
	"Pekka Enberg" <penberg@cs.helsinki.fi>,
	"Tom Zanussi" <tzanussi@gmail.com>,
	"Frédéric Weisbecker" <fweisbec@gmail.com>,
	"Steven Rostedt" <rostedt@goodmis.org>,
	"Arnaldo Carvalho de Melo" <acme@redhat.com>,
	linux-perf-users@vger.kernel.org,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: disabling group leader perf_event
Date: Wed, 08 Sep 2010 09:30:48 +0200	[thread overview]
Message-ID: <1283931048.1930.1827.camel@laptop> (raw)
In-Reply-To: <20100908064427.GD3439@elte.hu>

On Wed, 2010-09-08 at 08:44 +0200, Ingo Molnar wrote:
> Thus instructions like 'mov (%rax), ...' would be handled by not 
> allowing them, only addresses which do not change from execution
> state.

> Do you know some interesting usecase that would be excluded via such 
> address restrictions? 

my_array[i] = foo;

usually ends up wanting to do something with a register offset.

  reply	other threads:[~2010-09-08  7:31 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-06  9:12 disabling group leader perf_event Avi Kivity
2010-09-06 11:24 ` Peter Zijlstra
2010-09-06 11:34   ` Avi Kivity
2010-09-06 11:54     ` Peter Zijlstra
2010-09-06 11:58       ` Avi Kivity
2010-09-06 12:29         ` Peter Zijlstra
2010-09-06 12:40           ` Ingo Molnar
2010-09-06 13:16             ` Steven Rostedt
2010-09-06 16:42               ` Tom Zanussi
2010-09-07 12:53                 ` Steven Rostedt
2010-09-07 14:16                   ` Tom Zanussi
2010-09-06 12:49           ` Avi Kivity
2010-09-06 12:43         ` Ingo Molnar
2010-09-06 12:45           ` Avi Kivity
2010-09-06 12:59             ` Ingo Molnar
2010-09-06 13:41               ` Pekka Enberg
2010-09-06 13:54                 ` Ingo Molnar
2010-09-06 14:57               ` Avi Kivity
2010-09-06 15:30                 ` Alan Cox
2010-09-06 15:20                   ` Avi Kivity
2010-09-06 15:48                     ` Alan Cox
2010-09-06 17:50                       ` Avi Kivity
2010-09-06 15:47                 ` Ingo Molnar
2010-09-06 17:55                   ` Avi Kivity
2010-09-07  3:44                     ` Ingo Molnar
2010-09-07  8:33                       ` Stefan Hajnoczi
2010-09-07  9:13                         ` Avi Kivity
2010-09-07 22:43                         ` Ingo Molnar
2010-09-07 15:55                       ` Alan Cox
2010-09-08  1:44                       ` Paul Mackerras
2010-09-08  6:16                         ` Pekka Enberg
2010-09-08  6:44                           ` Ingo Molnar
2010-09-08  7:30                             ` Peter Zijlstra [this message]
2010-09-08 19:30                             ` Frank Ch. Eigler
2010-09-09  7:38                               ` Ingo Molnar
2010-09-08  6:19                         ` Avi Kivity
2010-09-06 20:31                   ` Pekka Enberg
2010-09-06 20:37                     ` Pekka Enberg
2010-09-07  4:03                     ` Ingo Molnar
2010-09-07  9:30                       ` Pekka Enberg
2010-09-07 22:27                         ` Ingo Molnar
2010-09-07 10:57                     ` KOSAKI Motohiro
2010-09-07 12:14                       ` Pekka Enberg
2010-09-07 13:35                   ` Steven Rostedt
2010-09-07 13:47                     ` Avi Kivity
2010-09-07 16:02                       ` Steven Rostedt
2010-09-12  6:46                   ` Pavel Machek
2010-09-12 17:54                     ` Avi Kivity
2010-09-12 18:48                       ` Ingo Molnar
2010-09-12 19:14                         ` Pavel Machek
2010-09-12 20:32                           ` Ingo Molnar
2010-09-12 21:06                             ` Pavel Machek
2010-09-12 22:19                               ` Ingo Molnar

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