Commit 1aa4731e authored by Ingo Molnar's avatar Ingo Molnar
Browse files

sched debug: print settings 



print the current value of all tunables in /proc/sched_debug output.

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
Reviewed-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent c18b8a7c

kernel/sched_debug.c

+13 −0
Original line number Diff line number Diff line
@@ -203,6 +203,19 @@ static int sched_debug_show(struct seq_file *m, void *v) 


	SEQ_printf(m, "now at %Lu.%06ld msecs\n", SPLIT_NS(now));



#define P(x) \

	SEQ_printf(m, "  .%-30s: %Ld\n", #x, (long long)(x))

#define PN(x) \

	SEQ_printf(m, "  .%-30s: %Ld.%06ld\n", #x, SPLIT_NS(x))

	PN(sysctl_sched_latency);

	PN(sysctl_sched_min_granularity);

	PN(sysctl_sched_wakeup_granularity);

	PN(sysctl_sched_batch_wakeup_granularity);

	PN(sysctl_sched_child_runs_first);

	P(sysctl_sched_features);

#undef PN

#undef P



	for_each_online_cpu(cpu)

		print_cpu(m, cpu);