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Freezer: Only show the state of tasks refusing to freeze

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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@redhat.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Xiaotian Feng 2010-03-10 22:59:13 +01:00 committed by Rafael J. Wysocki
parent e1ee65d859
commit 4f598458ea
1 changed files with 1 additions and 2 deletions
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3
kernel/power/process.c
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@ -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);