From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933452Ab2GFLKR (ORCPT ); Fri, 6 Jul 2012 07:10:17 -0400 Received: from terminus.zytor.com ([198.137.202.10]:51871 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933199Ab2GFLKN (ORCPT ); Fri, 6 Jul 2012 07:10:13 -0400 Date: Fri, 6 Jul 2012 04:09:59 -0700 From: tip-bot for Steven Rostedt Message-ID: Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org, rostedt@goodmis.org, srostedt@redhat.com, tglx@linutronix.de, namhyung@kernel.org Reply-To: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, rostedt@goodmis.org, srostedt@redhat.com, tglx@linutronix.de, namhyung@kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] tools lib traceevent: Add support to show migrate disable counter Git-Commit-ID: 0866a97eb7562409ba792f5e904841dd8e23c8b5 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.6 (terminus.zytor.com [127.0.0.1]); Fri, 06 Jul 2012 04:10:05 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 0866a97eb7562409ba792f5e904841dd8e23c8b5 Gitweb: http://git.kernel.org/tip/0866a97eb7562409ba792f5e904841dd8e23c8b5 Author: Steven Rostedt AuthorDate: Tue, 22 May 2012 14:52:40 +0900 Committer: Namhyung Kim CommitDate: Wed, 4 Jul 2012 13:40:30 +0900 tools lib traceevent: Add support to show migrate disable counter The RT kernel added a migrate disable counter in all events. Add support to show this in the latency format. Signed-off-by: Steven Rostedt Link: http://lkml.kernel.org/n/tip-l6ulxyda952g7kua4pfsh73k@git.kernel.org Signed-off-by: Namhyung Kim --- tools/lib/traceevent/event-parse.c | 57 ++++++++++++++++++++++++------------ 1 files changed, 38 insertions(+), 19 deletions(-) diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index 0644c2a..872dd35 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -2884,7 +2884,7 @@ static int get_common_info(struct pevent *pevent, event = pevent->events[0]; field = pevent_find_common_field(event, type); if (!field) - die("field '%s' not found", type); + return -1; *offset = field->offset; *size = field->size; @@ -2935,15 +2935,16 @@ static int parse_common_flags(struct pevent *pevent, void *data) static int parse_common_lock_depth(struct pevent *pevent, void *data) { - int ret; - - ret = __parse_common(pevent, data, - &pevent->ld_size, &pevent->ld_offset, - "common_lock_depth"); - if (ret < 0) - return -1; + return __parse_common(pevent, data, + &pevent->ld_size, &pevent->ld_offset, + "common_lock_depth"); +} - return ret; +static int parse_common_migrate_disable(struct pevent *pevent, void *data) +{ + return __parse_common(pevent, data, + &pevent->ld_size, &pevent->ld_offset, + "common_migrate_disable"); } static int events_id_cmp(const void *a, const void *b); @@ -3988,10 +3989,13 @@ void pevent_data_lat_fmt(struct pevent *pevent, struct trace_seq *s, struct pevent_record *record) { static int check_lock_depth = 1; + static int check_migrate_disable = 1; static int lock_depth_exists; + static int migrate_disable_exists; unsigned int lat_flags; unsigned int pc; int lock_depth; + int migrate_disable; int hardirq; int softirq; void *data = record->data; @@ -3999,18 +4003,26 @@ void pevent_data_lat_fmt(struct pevent *pevent, lat_flags = parse_common_flags(pevent, data); pc = parse_common_pc(pevent, data); /* lock_depth may not always exist */ - if (check_lock_depth) { - struct format_field *field; - struct event_format *event; - - check_lock_depth = 0; - event = pevent->events[0]; - field = pevent_find_common_field(event, "common_lock_depth"); - if (field) - lock_depth_exists = 1; - } if (lock_depth_exists) lock_depth = parse_common_lock_depth(pevent, data); + else if (check_lock_depth) { + lock_depth = parse_common_lock_depth(pevent, data); + if (lock_depth < 0) + check_lock_depth = 0; + else + lock_depth_exists = 1; + } + + /* migrate_disable may not always exist */ + if (migrate_disable_exists) + migrate_disable = parse_common_migrate_disable(pevent, data); + else if (check_migrate_disable) { + migrate_disable = parse_common_migrate_disable(pevent, data); + if (migrate_disable < 0) + check_migrate_disable = 0; + else + migrate_disable_exists = 1; + } hardirq = lat_flags & TRACE_FLAG_HARDIRQ; softirq = lat_flags & TRACE_FLAG_SOFTIRQ; @@ -4029,6 +4041,13 @@ void pevent_data_lat_fmt(struct pevent *pevent, else trace_seq_putc(s, '.'); + if (migrate_disable_exists) { + if (migrate_disable < 0) + trace_seq_putc(s, '.'); + else + trace_seq_printf(s, "%d", migrate_disable); + } + if (lock_depth_exists) { if (lock_depth < 0) trace_seq_putc(s, '.');