From: Arnaldo Carvalho de Melo <acme@redhat.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: "Jens Axboe" <jens.axboe@oracle.com>,
"Frédéric Weisbecker" <fweisbec@gmail.com>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>
Subject: [PATCH tip 1/1] blktrace: Use tracing_reset_online_cpus
Date: Wed, 28 Jan 2009 12:33:56 -0200 [thread overview]
Message-ID: <20090128143356.GG15877@ghostprotocols.net> (raw)
Impact: cleanup
Use tracing_reset_online_cpus instead of open coding it.
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/block/blktrace.c b/block/blktrace.c
index 1b2267c..04d81d3 100644
--- a/block/blktrace.c
+++ b/block/blktrace.c
@@ -1109,12 +1109,7 @@ static void blk_tracer_print_header(struct seq_file *m)
static void blk_tracer_start(struct trace_array *tr)
{
- int cpu;
-
- tr->time_start = ftrace_now(tr->cpu);
-
- for_each_online_cpu(cpu)
- tracing_reset(tr, cpu);
+ tracing_reset_online_cpus(tr);
mutex_lock(&blk_probe_mutex);
if (atomic_add_return(1, &blk_probes_ref) == 1)
next reply other threads:[~2009-01-28 14:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-28 14:33 Arnaldo Carvalho de Melo [this message]
2009-01-28 14:53 ` [PATCH tip 1/1] blktrace: Use tracing_reset_online_cpus Frédéric Weisbecker
2009-01-28 14:58 ` Arnaldo Carvalho de Melo
2009-01-29 13:28 ` Ingo Molnar
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