lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

trace_workqueues: fix empty line's output

Browse Source 
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>
This commit is contained in:
Lai Jiangshan
2009-03-25 16:59:18 +08:00
committed by Ingo Molnar
parent 220ba351df
commit 2f63b840bc
1 changed files with 6 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
kernel/trace/trace_workqueue.c
View File

@@ -196,6 +196,11 @@ static int workqueue_stat_show(struct seq_file *s, void *p)
struct pid *pid; struct pid *pid;
struct task_struct *tsk; 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); pid = find_get_pid(cws->pid);
if (pid) { if (pid) {
tsk = get_pid_task(pid, PIDTYPE_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); 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; return 0;
} }
static int workqueue_stat_headers(struct seq_file *s) static int workqueue_stat_headers(struct seq_file *s)
{ {
seq_printf(s, "# CPU INSERTED EXECUTED NAME\n"); seq_printf(s, "# CPU INSERTED EXECUTED NAME\n");
seq_printf(s, "# | | | |\n\n"); seq_printf(s, "# | | | |\n");
return 0; return 0;
} }