From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753555AbaCBP5M (ORCPT ); Sun, 2 Mar 2014 10:57:12 -0500 Received: from mx1.redhat.com ([209.132.183.28]:45049 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751519AbaCBP5K (ORCPT ); Sun, 2 Mar 2014 10:57:10 -0500 From: Jiri Olsa To: linux-kernel@vger.kernel.org Cc: Peter Zijlstra , Paul Mackerras , Ingo Molnar , Arnaldo Carvalho de Melo , "H. Peter Anvin" , Vince Weaver , Steven Rostedt Subject: [PATCH 0/3] perf: Disable user space dumps for function trace event Date: Sun, 2 Mar 2014 16:56:37 +0100 Message-Id: <1393775800-13524-1-git-send-email-jolsa@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org hi, recent issues with user space callchains processing within page fault handler tracing showed as Peter said 'there's just too much fail surface'. Related list discussions: http://marc.info/?t=139302086500001&r=1&w=2 http://marc.info/?t=139301437300003&r=1&w=2 Disabling user space callchain and stack dump for function trace event. Plus updating the perf tool to keep up with those changes. Reachable here: thanks, jirka Cc: Peter Zijlstra Cc: Paul Mackerras Cc: Ingo Molnar Cc: Arnaldo Carvalho de Melo Cc: H. Peter Anvin Cc: Vince Weaver Cc: Steven Rostedt --- Jiri Olsa (3): perf: Disallow user space callchains for function trace event perf: Disallow user space stack dump for function trace event perf tools: Disable user space callchain/stack for function trace event kernel/trace/trace_event_perf.c | 22 +++++++++++++++++++--- tools/perf/util/evsel.c | 41 ++++++++++++++++++++++++++++++----------- tools/perf/util/evsel.h | 18 ++++++++++++++++++ 3 files changed, 67 insertions(+), 14 deletions(-)