提交 2f63b840 编写于 作者: L Lai Jiangshan 提交者: Ingo Molnar

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: NLai Jiangshan <laijs@cn.fujitsu.com>
Acked-by: NSteven Rostedt <srostedt@redhat.com>
Acked-by: NFrederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <49C9F266.2060706@cn.fujitsu.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
上级 220ba351
......@@ -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;
}
......
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