From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Zijlstra Subject: Re: perf: prctl(PR_TASK_PERF_EVENTS_DISABLE) has no effect Date: Fri, 27 Jul 2012 10:00:02 +0200 Message-ID: <1343376002.32120.22.camel@twins> References: <501121D3.3060700@mentor.com> <20120727072647.GA3965@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Return-path: Received: from merlin.infradead.org ([205.233.59.134]:50550 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752135Ab2G0Il4 convert rfc822-to-8bit (ORCPT ); Fri, 27 Jul 2012 04:41:56 -0400 In-Reply-To: <20120727072647.GA3965@gmail.com> Sender: linux-perf-users-owner@vger.kernel.org List-ID: To: Ingo Molnar Cc: Iegorov Oleg , linux-perf-users@vger.kernel.org, mingo@elte.hu, acme@ghostprotocols.net, =?ISO-8859-1?Q?Fr=E9d=E9ric?= Weisbecker , Arnaldo Carvalho de Melo , Thomas Gleixner On Fri, 2012-07-27 at 09:26 +0200, Ingo Molnar wrote: > > Maybe someone on Cc: would be interested in implementing this > new perf events feature? Why would we go build new kernel interfaces because userspace is silly? It really isn't that hard to make userspace do what is needed, it just takes a bit of work.