From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756093Ab0EXITo (ORCPT ); Mon, 24 May 2010 04:19:44 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:55376 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1755004Ab0EXITn (ORCPT ); Mon, 24 May 2010 04:19:43 -0400 Message-ID: <4BFA3728.3000701@cn.fujitsu.com> Date: Mon, 24 May 2010 16:22:00 +0800 From: Li Zefan User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1b3pre) Gecko/20090513 Fedora/3.0-2.3.beta2.fc11 Thunderbird/3.0b2 MIME-Version: 1.0 To: Steven Rostedt CC: Frederic Weisbecker , Ingo Molnar , LKML Subject: [PATCH 0/8] tracing: further shrinking trace events Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org patch 1-2: reduce per trace event foot print patch 3-5: convert some trace events to DEFINE_EVENT patch 6-8: do some cleanups and thus shrink text size a bit Save ~5.7K in text and ~2.9K in data: text data bss dec hex filename 7018612 2034376 7251132 16304120 f8c7f8 vmlinux.o.orig 7012847 2031440 7251132 16295419 f8a5fb vmlinux.o And save considerable memory allocated by trace_define_event(). --- include/linux/syscalls.h | 2 - include/trace/events/ext4.h | 61 +++-------- include/trace/events/sched.h | 32 ++----- include/trace/events/timer.h | 80 ++++++-------- include/trace/syscall.h | 1 - kernel/trace/trace.h | 2 + kernel/trace/trace_events.c | 209 ++++++++++++++++-------------------- kernel/trace/trace_events_filter.c | 27 +++-- kernel/trace/trace_export.c | 8 +-- kernel/trace/trace_kprobe.c | 10 +-- kernel/trace/trace_syscalls.c | 7 +- 11 files changed, 174 insertions(+), 265 deletions(-)