Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965289AbbGVOKq (ORCPT ); Wed, 22 Jul 2015 10:10:46 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:58314 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964874AbbGVOKp (ORCPT ); Wed, 22 Jul 2015 10:10:45 -0400 Date: Wed, 22 Jul 2015 16:10:36 +0200 From: Peter Zijlstra To: Vince Weaver Cc: linux-kernel@vger.kernel.org, Ingo Molnar , Arnaldo Carvalho de Melo Subject: Re: perf: multiplexing broken on amd fam16h? Message-ID: <20150722141036.GT25159@twins.programming.kicks-ass.net> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 614 Lines: 15 On Tue, Jul 21, 2015 at 02:14:54PM -0400, Vince Weaver wrote: > If I run the perf_event_tests check_multiplexing test it fails like this: FWIW, that contains: /* we have to close, because PERF_EVENT_IOC_RESET */ /* does not clear multiplexing informatio. */ Do you need that? We could add another reset ioctl with a flags argument on what all to clear. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/