Commit-ID: fb90a6e93c0684ab2629a42462400603aa829b9c Gitweb: http://git.kernel.org/tip/fb90a6e93c0684ab2629a42462400603aa829b9c Author: Rabin Vincent <rab...@axis.com> AuthorDate: Mon, 4 Apr 2016 15:42:02 +0200 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Wed, 13 Apr 2016 11:23:21 +0200
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 <rab...@axis.com> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Steven Rostedt <rost...@goodmis.org> Cc: Thomas Gleixner <t...@linutronix.de> Link: http://lkml.kernel.org/r/1459777322-30902-1-git-send-email-rabin.vinc...@axis.com Signed-off-by: Ingo Molnar <mi...@kernel.org> --- 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 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(); /*
