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PM: Make warning in suspend_test_finish() less likely to happen

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Increase TEST_SUSPEND_SECONDS to 10 so the warning in
suspend_test_finish() doesn't annoy the users of slower systems so much.

Also, make the warning print the suspend-resume cycle time, so that we
know why the warning actually triggered.

Patch prepared during the hacking session at the Kernel Summit in Tokyo.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Rafael J. Wysocki 2009-10-20 06:45:02 +02:00 committed by Linus Torvalds
parent af2bd9d534
commit 04bf7539c0
1 changed files with 3 additions and 2 deletions
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5
kernel/power/suspend_test.c
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@ -19,7 +19,7 @@
* The time it takes is system-specific though, so when we test this * The time it takes is system-specific though, so when we test this
* during system bootup we allow a LOT of time. * during system bootup we allow a LOT of time.
*/ */
#define TEST_SUSPEND_SECONDS 5 #define TEST_SUSPEND_SECONDS 10
static unsigned long suspend_test_start_time; static unsigned long suspend_test_start_time;
@ -49,7 +49,8 @@ void suspend_test_finish(const char *label)
* has some performance issues. The stack dump of a WARN_ON * has some performance issues. The stack dump of a WARN_ON
* is more likely to get the right attention than a printk... * is more likely to get the right attention than a printk...
*/ */
WARN(msec > (TEST_SUSPEND_SECONDS * 1000), "Component: %s\n", label); WARN(msec > (TEST_SUSPEND_SECONDS * 1000),
"Component: %s, time: %u\n", label, msec);
} }
/* /*