Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752766Ab1E1KXJ (ORCPT ); Sat, 28 May 2011 06:23:09 -0400 Received: from casper.infradead.org ([85.118.1.10]:46296 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751898Ab1E1KXI convert rfc822-to-8bit (ORCPT ); Sat, 28 May 2011 06:23:08 -0400 Subject: Re: perf: regression with PERF_EVENT_IOC_REFRESH From: Peter Zijlstra To: Vince Weaver Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, paulus@samba.org, acme@redhat.com In-Reply-To: References: <1306182141.2497.5.camel@laptop> <1306233036.2497.15.camel@laptop> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Sat, 28 May 2011 12:22:24 +0200 Message-ID: <1306578144.1200.1150.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 710 Lines: 13 On Fri, 2011-05-27 at 23:38 -0400, Vince Weaver wrote: > on that note (and while trying to document exactly what the ioctls do) it > seems that a PERF_EVENT_IOC_REFRESH with an argument of anything higher > than one does not work on kernels 2.6.36 and newer. The behavior acts > as if 1 was passed, even if you pass in, say, 3. Urgh, no that should definitely work. Thanks for the test-case, I'll work on that (probably not until Monday though, but who knows). -- 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/