From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757687AbZCMLXx (ORCPT ); Fri, 13 Mar 2009 07:23:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751792AbZCMLXl (ORCPT ); Fri, 13 Mar 2009 07:23:41 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:46678 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750979AbZCMLXk (ORCPT ); Fri, 13 Mar 2009 07:23:40 -0400 Message-Id: <20090313112125.886730125@chello.nl> User-Agent: quilt/0.46-1 Date: Fri, 13 Mar 2009 12:21:25 +0100 From: Peter Zijlstra To: mingo@elte.hu, paulus@samba.org, tglx@linutronix.de Cc: linux-kernel@vger.kernel.org, Peter Zijlstra Subject: [PATCH 00/11] generic software counters -v2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch set improves the current software counters by providing sampling events for most of them. The clock based software counters use hrtimers to generate events, allowing sample based profiling without hardware support -- obviously this has limited functionality for kernal based profiling since we disable interrupts quite frequently, but should be good for userspace. Other events like pagefaults insert simple hooks into the actual pagefault code to generate these events. Future work (in-progress) will hook into the tracepoint infrastructure to to provide profiling events.