From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932103Ab2LSPIF (ORCPT ); Wed, 19 Dec 2012 10:08:05 -0500 Received: from mx1.redhat.com ([209.132.183.28]:44128 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755476Ab2LSPHz (ORCPT ); Wed, 19 Dec 2012 10:07:55 -0500 From: Jiri Olsa To: linux-kernel@vger.kernel.org Cc: Corey Ashford , Frederic Weisbecker , Ingo Molnar , Namhyung Kim , Paul Mackerras , Peter Zijlstra , Arnaldo Carvalho de Melo Subject: [RFC 0/3] perf tests: Adding precise event attribute test Date: Wed, 19 Dec 2012 16:07:19 +0100 Message-Id: <1355929642-28392-1-git-send-email-jolsa@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org hi, as per issues with precise attribute [1], adding simple test to catch it next time. Patch 2 adds sysfs 'precise' attribute containing maximum value for perf_event_attr::precise_ip. Patch 3 adds simple test checking the attribute and creating cycle events with all possible precise values. I based this on revert (Patch 1) discussed in [1]. I'm not sure this revert will tak place at the end, but I wanted to get some feedback on the 'precise' attribute first. Attached patches: 1/3 Revert "perf: Require exclude_guest to use PEBS - kernel side enforcement" 2/3 perf x86: Add precise sysfs attribute 3/3 perf tests: Add precise event attribute test thanks, jirka [1] http://marc.info/?l=linux-kernel&m=135536724805356&w=2 Cc: Corey Ashford Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo --- arch/x86/kernel/cpu/perf_event.c | 38 ++++++++++++++++++++++++-------------- tools/perf/Makefile | 1 + tools/perf/tests/builtin-test.c | 4 ++++ tools/perf/tests/precise.c | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ tools/perf/tests/tests.h | 1 + 5 files changed, 109 insertions(+), 14 deletions(-)