From 35ac51bfe4c293b67ce9f85082ba0b9bc6123c40 Mon Sep 17 00:00:00 2001 From: Li Zefan Date: Fri, 27 Mar 2009 10:19:46 +0800 Subject: [PATCH] blktrace: make classic output more classic Impact: fix ftrace plugin timestamp output In the classic user-space blktrace, the output timestamp is sec.nsec not sec.usec. Signed-off-by: Li Zefan Acked-by: Jens Axboe Cc: Arnaldo Carvalho de Melo Cc: Steven Rostedt Cc: Frederic Weisbecker Signed-off-by: Ingo Molnar --- kernel/trace/blktrace.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index d43cdac7c754..5b28f0f119c5 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -994,8 +994,8 @@ static void get_pdu_remap(const struct trace_entry *ent, 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 long ts = iter->ts; + 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,