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| author | Lai Jiangshan <laijs@cn.fujitsu.com> | 2009-03-25 16:59:18 +0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-25 18:32:35 +0100 |
| commit | 2f63b840bc8a816ac879ee773b035cf3e433fae4 (patch) | |
| tree | 4a97c31e1d4484c0cfded92c185ba46066665c8b /kernel/trace | |
| parent | 220ba351dfa57eca4bec5ce0098a276446a47958 (diff) | |
| download | blackbird-op-linux-2f63b840bc8a816ac879ee773b035cf3e433fae4.tar.gz blackbird-op-linux-2f63b840bc8a816ac879ee773b035cf3e433fae4.zip | |
trace_workqueues: fix empty line's output
Empty lines separate cpus stat. After previous
fix(trace_stat: keep original order) applied, the empty lines
are displayed at incorrect position.
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: Steven Rostedt <srostedt@redhat.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <49C9F266.2060706@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace_workqueue.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/kernel/trace/trace_workqueue.c b/kernel/trace/trace_workqueue.c index 9ab035b58cf1..797201e4a137 100644 --- a/kernel/trace/trace_workqueue.c +++ b/kernel/trace/trace_workqueue.c @@ -196,6 +196,11 @@ static int workqueue_stat_show(struct seq_file *s, void *p) struct pid *pid; struct task_struct *tsk; + spin_lock_irqsave(&workqueue_cpu_stat(cpu)->lock, flags); + if (&cws->list == workqueue_cpu_stat(cpu)->list.next) + seq_printf(s, "\n"); + spin_unlock_irqrestore(&workqueue_cpu_stat(cpu)->lock, flags); + pid = find_get_pid(cws->pid); if (pid) { tsk = get_pid_task(pid, PIDTYPE_PID); @@ -208,18 +213,13 @@ static int workqueue_stat_show(struct seq_file *s, void *p) put_pid(pid); } - spin_lock_irqsave(&workqueue_cpu_stat(cpu)->lock, flags); - if (&cws->list == workqueue_cpu_stat(cpu)->list.next) - seq_printf(s, "\n"); - spin_unlock_irqrestore(&workqueue_cpu_stat(cpu)->lock, flags); - return 0; } static int workqueue_stat_headers(struct seq_file *s) { seq_printf(s, "# CPU INSERTED EXECUTED NAME\n"); - seq_printf(s, "# | | | |\n\n"); + seq_printf(s, "# | | | |\n"); return 0; } |
