Freezer: Only show the state of tasks refusing to freeze

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>

diff --git a/kernel/power/process.c b/kernel/power/process.c
index 5ade1bdcf366a9e93789097ea99ba8aba9dceccc..a0480cd4daaf13ca94f8679103400c5f1a2ab068 100644 (file)
--- 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);