From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753453AbaLCQZH (ORCPT ); Wed, 3 Dec 2014 11:25:07 -0500 Received: from mx1.redhat.com ([209.132.183.28]:48864 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753279AbaLCQZB (ORCPT ); Wed, 3 Dec 2014 11:25:01 -0500 From: Jiri Olsa To: linux-kernel@vger.kernel.org Cc: Jiri Olsa , Arnaldo Carvalho de Melo , David Ahern , Frederic Weisbecker , Jeremie Galarneau , Namhyung Kim , Paul Mackerras , Peter Zijlstra , Sebastian Andrzej Siewior , Tom Zanussi Subject: [PATCH 8/8] perf data: Add support for setting ordered_events queue size Date: Wed, 3 Dec 2014 17:24:02 +0100 Message-Id: <1417623842-14331-9-git-send-email-jolsa@kernel.org> In-Reply-To: <1417623842-14331-1-git-send-email-jolsa@kernel.org> References: <1417623842-14331-1-git-send-email-jolsa@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adding support to limit the size of ordered_events queue, so we could control allocation size of perf data files without proper finished round events. Cc: Arnaldo Carvalho de Melo Cc: David Ahern Cc: Frederic Weisbecker Cc: Jeremie Galarneau Cc: Jiri Olsa Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Sebastian Andrzej Siewior Cc: Tom Zanussi Signed-off-by: Jiri Olsa --- tools/perf/util/data-convert-bt.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c index df95fac399d7..c3a4a68ab804 100644 --- a/tools/perf/util/data-convert-bt.c +++ b/tools/perf/util/data-convert-bt.c @@ -74,6 +74,9 @@ struct convert { u64 events_size; u64 events_count; + + /* Ordered events configured queue size. */ + u64 queue_size; }; static int value_set(struct bt_ctf_field_type *type, @@ -969,6 +972,18 @@ static void ctf_writer__flush_streams(struct ctf_writer *cw) ctf_stream__flush(cw->stream[cpu]); } +static int convert__config(const char *var, const char *value, void *cb) +{ + struct convert *c = cb; + + if (!strcmp(var, "convert.queue-size")) { + c->queue_size = perf_config_u64(var, value); + return 0; + } + + return perf_default_config(var, value, cb); +} + int bt_convert__perf2ctf(const char *input, const char *path) { struct perf_session *session; @@ -994,6 +1009,8 @@ int bt_convert__perf2ctf(const char *input, const char *path) struct ctf_writer *cw = &c.writer; int err = -1; + perf_config(convert__config, &c); + /* CTF writer */ if (ctf_writer__init(cw, path)) return -1; @@ -1003,6 +1020,11 @@ int bt_convert__perf2ctf(const char *input, const char *path) if (!session) goto free_writer; + if (c.queue_size) { + ordered_events__set_alloc_size(&session->ordered_events, + c.queue_size); + } + /* CTF writer env/clock setup */ if (ctf_writer__setup_env(cw, session)) goto free_session; -- 1.9.3