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From: Pavel Machek on 10 Mar 2010 04:50
> show_state will dump all tasks state, so if freezer failed to freeze
> any task, kernel will dump all tasks state and flood the dmesg log.
> This patch makes freezer only show state of tasks refusing to freeze.
>
> Signed-off-by: Xiaotian Feng <dfeng(a)redhat.com>
> Cc: Pavel Machek <pavel(a)ucw.cz>

ACK.

> diff --git a/kernel/power/process.c b/kernel/power/process.c
> index 5ade1bd..a0480cd 100644
> --- a/kernel/power/process.c
> +++ b/kernel/power/process.c
> @@ -88,12 +88,11 @@ static int try_to_freeze_tasks(bool sig_only)
> printk(KERN_ERR "Freezing of tasks failed after %d.%02d seconds "
> "(%d tasks refusing to freeze):\n",
> elapsed_csecs / 100, elapsed_csecs % 100, todo);
> - show_state();
> read_lock(&tasklist_lock);
> do_each_thread(g, p) {
> task_lock(p);
> if (freezing(p) && !freezer_should_skip(p))
> - printk(KERN_ERR " %s\n", p->comm);
> + sched_show_task(p);
> cancel_freezing(p);
> task_unlock(p);
> } while_each_thread(g, p);

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Prev: [kernel group] daily report 10/03/10
Next: [GIT PULL] Please pull my perf.git urgent branch