From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752226AbZHSNbk (ORCPT ); Wed, 19 Aug 2009 09:31:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752052AbZHSNbj (ORCPT ); Wed, 19 Aug 2009 09:31:39 -0400 Received: from hera.kernel.org ([140.211.167.34]:43562 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751836AbZHSNbi (ORCPT ); Wed, 19 Aug 2009 09:31:38 -0400 Date: Wed, 19 Aug 2009 13:30:54 GMT From: tip-bot for Peter Zijlstra To: linux-tip-commits@vger.kernel.org Cc: linux-kernel@vger.kernel.org, paulus@samba.org, acme@redhat.com, hpa@zytor.com, mingo@redhat.com, a.p.zijlstra@chello.nl, efault@gmx.de, fweisbec@gmail.com, tglx@linutronix.de, mingo@elte.hu Reply-To: mingo@redhat.com, hpa@zytor.com, acme@redhat.com, paulus@samba.org, linux-kernel@vger.kernel.org, fweisbec@gmail.com, a.p.zijlstra@chello.nl, efault@gmx.de, tglx@linutronix.de, mingo@elte.hu In-Reply-To: <20090819092023.812428023@chello.nl> References: <20090819092023.812428023@chello.nl> Subject: [tip:perfcounters/core] perf_counter: powerpc: Support the anonimized kernel callchain bits Message-ID: Git-Commit-ID: 512cec5d6f2a71e04464bf4fd76a50571bd0dea1 X-Mailer: tip-git-log-daemon MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.0 (hera.kernel.org [127.0.0.1]); Wed, 19 Aug 2009 13:31:08 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 512cec5d6f2a71e04464bf4fd76a50571bd0dea1 Gitweb: http://git.kernel.org/tip/512cec5d6f2a71e04464bf4fd76a50571bd0dea1 Author: Peter Zijlstra AuthorDate: Wed, 19 Aug 2009 11:18:25 +0200 Committer: Ingo Molnar CommitDate: Wed, 19 Aug 2009 14:49:03 +0200 perf_counter: powerpc: Support the anonimized kernel callchain bits Adds support for anonimized kernel callchains to the powerpc callchain code. This patch is not folded into the patch that introduces this feature because the powerpc callchain code isn't upstream yet, and this allows re-ordering the patches. Signed-off-by: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Peter Zijlstra Cc: Paul Mackerras LKML-Reference: <20090819092023.812428023@chello.nl> Signed-off-by: Ingo Molnar --- arch/powerpc/kernel/perf_callchain.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/arch/powerpc/kernel/perf_callchain.c b/arch/powerpc/kernel/perf_callchain.c index f74b62c..21fb1ad 100644 --- a/arch/powerpc/kernel/perf_callchain.c +++ b/arch/powerpc/kernel/perf_callchain.c @@ -70,6 +70,11 @@ static void perf_callchain_kernel(struct pt_regs *regs, lr = regs->link; sp = regs->gpr[1]; callchain_store(entry, PERF_CONTEXT_KERNEL); + next_ip = perf_paranoid_anon_ip(); + if (next_ip) { + callchain_store(entry, next_ip); + return; + } callchain_store(entry, regs->nip); if (!validate_sp(sp, current, STACK_FRAME_OVERHEAD))