From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752175Ab1HVRCW (ORCPT ); Mon, 22 Aug 2011 13:02:22 -0400 Received: from hera.kernel.org ([140.211.167.34]:42086 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751294Ab1HVRCU (ORCPT ); Mon, 22 Aug 2011 13:02:20 -0400 Date: Mon, 22 Aug 2011 19:00:58 +0200 From: Ingo Molnar To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, Arnaldo Carvalho de Melo , Peter Zijlstra , =?iso-8859-1?Q?Fr=E9d=E9ric?= Weisbecker , Steven Rostedt , Thomas Gleixner , Andrew Morton Subject: [GIT PULL] perf fixes Message-ID: <20110822170058.GA16562@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.6 (hera.kernel.org [127.0.0.1]); Mon, 22 Aug 2011 17:02:03 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Linus, Please pull the latest perf-urgent-for-linus git tree from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git perf-urgent-for-linus Thanks, Ingo ------------------> Geunsik Lim (1): MAINTAINERS: Fix list of perf events source files Josh Boyer (1): perf tools: Fix build against newer glibc Lin Ming (1): perf tools: Add group event scheduling option to perf record/stat Stephane Eranian (3): perf list: Fix exit value perf evlist: Fix missing event name init for default event perf tools: Fix error handling of unknown events MAINTAINERS | 2 +- tools/perf/builtin-record.c | 4 +++- tools/perf/builtin-stat.c | 7 +++++-- tools/perf/util/evlist.c | 11 ++++++++++- tools/perf/util/include/linux/compiler.h | 2 ++ tools/perf/util/parse-events.c | 8 +++++--- 6 files changed, 26 insertions(+), 8 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index 1d445f5..069ee3b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4971,7 +4971,7 @@ M: Paul Mackerras M: Ingo Molnar M: Arnaldo Carvalho de Melo S: Supported -F: kernel/perf_event*.c +F: kernel/events/* F: include/linux/perf_event.h F: arch/*/kernel/perf_event*.c F: arch/*/kernel/*/perf_event*.c diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index f6426b4..6b0519f 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -45,7 +45,7 @@ static int freq = 1000; static int output; static int pipe_output = 0; static const char *output_name = NULL; -static int group = 0; +static bool group = false; static int realtime_prio = 0; static bool nodelay = false; static bool raw_samples = false; @@ -753,6 +753,8 @@ const struct option record_options[] = { "child tasks do not inherit counters"), OPT_UINTEGER('F', "freq", &user_freq, "profile at this frequency"), OPT_UINTEGER('m', "mmap-pages", &mmap_pages, "number of mmap data pages"), + OPT_BOOLEAN(0, "group", &group, + "put the counters into a counter group"), OPT_BOOLEAN('g', "call-graph", &call_graph, "do call-graph (stack chain/backtrace) recording"), OPT_INCR('v', "verbose", &verbose, diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 1ad04ce..5deb17d 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -193,6 +193,7 @@ static int big_num_opt = -1; static const char *cpu_list; static const char *csv_sep = NULL; static bool csv_output = false; +static bool group = false; static volatile int done = 0; @@ -280,14 +281,14 @@ static int create_perf_stat_counter(struct perf_evsel *evsel) attr->inherit = !no_inherit; if (system_wide) - return perf_evsel__open_per_cpu(evsel, evsel_list->cpus, false); + return perf_evsel__open_per_cpu(evsel, evsel_list->cpus, group); if (target_pid == -1 && target_tid == -1) { attr->disabled = 1; attr->enable_on_exec = 1; } - return perf_evsel__open_per_thread(evsel, evsel_list->threads, false); + return perf_evsel__open_per_thread(evsel, evsel_list->threads, group); } /* @@ -1043,6 +1044,8 @@ static const struct option options[] = { "stat events on existing thread id"), OPT_BOOLEAN('a', "all-cpus", &system_wide, "system-wide collection from all CPUs"), + OPT_BOOLEAN('g', "group", &group, + "put the counters into a counter group"), OPT_BOOLEAN('c', "scale", &scale, "scale/normalize counters"), OPT_INCR('v', "verbose", &verbose, diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index e03e7bc..c12bd47 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -85,10 +85,19 @@ int perf_evlist__add_default(struct perf_evlist *evlist) struct perf_evsel *evsel = perf_evsel__new(&attr, 0); if (evsel == NULL) - return -ENOMEM; + goto error; + + /* use strdup() because free(evsel) assumes name is allocated */ + evsel->name = strdup("cycles"); + if (!evsel->name) + goto error_free; perf_evlist__add(evlist, evsel); return 0; +error_free: + perf_evsel__delete(evsel); +error: + return -ENOMEM; } void perf_evlist__disable(struct perf_evlist *evlist) diff --git a/tools/perf/util/include/linux/compiler.h b/tools/perf/util/include/linux/compiler.h index 791f9dd..547628e 100644 --- a/tools/perf/util/include/linux/compiler.h +++ b/tools/perf/util/include/linux/compiler.h @@ -5,7 +5,9 @@ #define __always_inline inline #endif #define __user +#ifndef __attribute_const__ #define __attribute_const__ +#endif #define __used __attribute__((__unused__)) diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 4ea7e19..928918b 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -697,7 +697,11 @@ parse_raw_event(const char **strp, struct perf_event_attr *attr) return EVT_FAILED; n = hex2u64(str + 1, &config); if (n > 0) { - *strp = str + n + 1; + const char *end = str + n + 1; + if (*end != '\0' && *end != ',' && *end != ':') + return EVT_FAILED; + + *strp = end; attr->type = PERF_TYPE_RAW; attr->config = config; return EVT_HANDLED; @@ -1097,6 +1101,4 @@ void print_events(const char *event_glob) printf("\n"); print_tracepoint_events(NULL, NULL); - - exit(129); }