From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763653AbZC0CTe (ORCPT ); Thu, 26 Mar 2009 22:19:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1763542AbZC0CTT (ORCPT ); Thu, 26 Mar 2009 22:19:19 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:57683 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1763510AbZC0CTR (ORCPT ); Thu, 26 Mar 2009 22:19:17 -0400 Message-ID: <49CC37C2.7050307@cn.fujitsu.com> Date: Fri, 27 Mar 2009 10:19:46 +0800 From: Li Zefan User-Agent: Thunderbird 2.0.0.9 (X11/20071115) MIME-Version: 1.0 To: Ingo Molnar CC: Jens Axboe , Arnaldo Carvalho de Melo , Steven Rostedt , Frederic Weisbecker , LKML Subject: [PATCH 1/6] blktrace: make classic output more classic References: <49CC37AA.3060908@cn.fujitsu.com> In-Reply-To: <49CC37AA.3060908@cn.fujitsu.com> 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 In the classic user-space blktrace, the output timestamp is sec.nsec not sec.usec. Signed-off-by: Li Zefan --- kernel/trace/blktrace.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index d43cdac..933639a 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -995,7 +995,7 @@ static int blk_log_action_iter(struct trace_iterator *iter, const char *act) { char rwbs[6]; unsigned long long ts = ns2usecs(iter->ts); - unsigned long usec_rem = do_div(ts, USEC_PER_SEC); + unsigned long nsec_rem = do_div(ts, NSEC_PER_SEC); unsigned secs = (unsigned long)ts; const struct trace_entry *ent = iter->ent; const struct blk_io_trace *t = (const struct blk_io_trace *)ent; @@ -1003,9 +1003,9 @@ static int blk_log_action_iter(struct trace_iterator *iter, const char *act) fill_rwbs(rwbs, t); return trace_seq_printf(&iter->seq, - "%3d,%-3d %2d %5d.%06lu %5u %2s %3s ", + "%3d,%-3d %2d %5d.%09lu %5u %2s %3s ", MAJOR(t->device), MINOR(t->device), iter->cpu, - secs, usec_rem, ent->pid, act, rwbs); + secs, nsec_rem, ent->pid, act, rwbs); } static int blk_log_action_seq(struct trace_seq *s, const struct blk_io_trace *t, -- 1.5.4.rc3