Messages in this thread Patch in this message | | | From | Rabin Vincent <> | Subject | [PATCH] sched: don't dump sched debug info in SysRq-W | Date | Mon, 4 Apr 2016 15:42:02 +0200 |
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From: Rabin Vincent <rabinv@axis.com>
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> --- kernel/sched/core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 8b489fc..e330d6c 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4998,7 +4998,8 @@ 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(); /* -- 2.7.0
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