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| author | Ingo Molnar <mingo@elte.hu> | 2006-12-06 20:35:59 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-07 08:39:32 -0800 |
| commit | e59e2ae2c29700117a54e85c106017c24837119f (patch) | |
| tree | d746e90d2d79fa8458d021d3572bc55ebdc3aca3 /include/linux/sched.h | |
| parent | 875d95ec9eb69ffb334116fb44d04d9a64dcbfbb (diff) | |
| download | kernel-crypto-e59e2ae2c29700117a54e85c106017c24837119f.tar.gz kernel-crypto-e59e2ae2c29700117a54e85c106017c24837119f.tar.xz kernel-crypto-e59e2ae2c29700117a54e85c106017c24837119f.zip | |
[PATCH] SysRq-X: show blocked tasks
Add SysRq-X support: show blocked (TASK_UNINTERRUPTIBLE) tasks only.
Useful for debugging IO stalls.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 837a012f573..0a90cefb0b0 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -194,7 +194,16 @@ extern void init_idle(struct task_struct *idle, int cpu); extern cpumask_t nohz_cpu_mask; -extern void show_state(void); +/* + * Only dump TASK_* tasks. (-1 for all tasks) + */ +extern void show_state_filter(unsigned long state_filter); + +static inline void show_state(void) +{ + show_state_filter(-1); +} + extern void show_regs(struct pt_regs *); /* |