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sched/debug: Add explicit TASK_PARKED printing

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Currently TASK_PARKED is masqueraded as TASK_INTERRUPTIBLE, give it
its own print state because it will not in fact get woken by regular
wakeups and is a long-term state.

This requires moving TASK_PARKED into the TASK_REPORT mask, and since
that latter needs to be a contiguous bitmask, we need to shuffle the
bits around a bit.

Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Peter Zijlstra 2017-09-22 18:37:28 +02:00 • committed by Ingo Molnar
commit 8ef9925b02
3 changed files with 10 additions and 11 deletions
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3
fs/proc/array.c
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@ -128,9 +128,10 @@ static const char * const task_state_array[] = {
"t (tracing stop)", /* 0x08 */
"X (dead)", /* 0x10 */
"Z (zombie)", /* 0x20 */
"P (parked)", /* 0x40 */
/* states beyond TASK_REPORT: */
"I (idle)", /* 0x40 */
"I (idle)", /* 0x80 */
};
static inline const char *get_task_state(struct task_struct *tsk)