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author | Rabin Vincent <rabinv@axis.com> | 2016-04-04 13:42:02 (GMT) |
---|---|---|
committer | Ingo Molnar <mingo@kernel.org> | 2016-04-13 09:23:21 (GMT) |
commit | fb90a6e93c0684ab2629a42462400603aa829b9c (patch) | |
tree | 92ada150b9a115c83d0e99c619e8d5cdf93c6b20 /kernel/sched | |
parent | 2b8c41daba327c633228169e8bd8ec067ab443f8 (diff) | |
download | linux-fb90a6e93c0684ab2629a42462400603aa829b9c.tar.xz |
sched/debug: Don't dump sched debug info in SysRq-W
sysrq_sched_debug_show() can dump a lot of information. Don't print out
all that if we're just trying to get a list of blocked tasks (SysRq-W).
The information is still accessible with SysRq-T.
Signed-off-by: Rabin Vincent <rabinv@axis.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1459777322-30902-1-git-send-email-rabin.vincent@axis.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched')
-rw-r--r-- | kernel/sched/core.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 1159423..06efbb9 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -5050,7 +5050,8 @@ void show_state_filter(unsigned long state_filter) touch_all_softlockup_watchdogs(); #ifdef CONFIG_SCHED_DEBUG - sysrq_sched_debug_show(); + if (!state_filter) + sysrq_sched_debug_show(); #endif rcu_read_unlock(); /* |