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| author | Li Zefan <lizf@cn.fujitsu.com> | 2009-03-27 03:19:46 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-31 17:27:36 +0200 |
| commit | 35ac51bfe4c293b67ce9f85082ba0b9bc6123c40 (patch) | |
| tree | 0853820b03650725795308550e9a63fadac3d771 /kernel/trace | |
| parent | blktrace: fix off-by-one bug (diff) | |
| download | linux-35ac51bfe4c293b67ce9f85082ba0b9bc6123c40.tar.xz linux-35ac51bfe4c293b67ce9f85082ba0b9bc6123c40.zip | |
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 <lizf@cn.fujitsu.com>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/blktrace.c | 8 |
1 files 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, |