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authorTommaso Cucinotta <tommaso.cucinotta@sssup.it>2016-10-26 11:17:17 +0200
committerIngo Molnar <mingo@kernel.org>2017-01-14 11:30:00 +0100
commit59f8c2989283bbd3df9fcfb22494d84f4852e536 (patch)
tree4a55cf07c8d352fde4e7222c0241de2e83adf7ad /kernel/sched/debug.c
parent5680d8094ffa9e5cfc81afdd865027ee6417c263 (diff)
downloadlinux-59f8c2989283bbd3df9fcfb22494d84f4852e536.tar.bz2
sched/deadline: Show leftover runtime and abs deadline in /proc/*/sched
This patch allows for reading the current (leftover) runtime and absolute deadline of a SCHED_DEADLINE task through /proc/*/sched (entries dl.runtime and dl.deadline), while debugging/testing. Signed-off-by: Tommaso Cucinotta <tommaso.cucinotta@sssup.it> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Juri Lelli <juri.lelli@arm.com> Reviewed-by: Luca Abeni <luca.abeni@unitn.it> Acked-by: Daniel Bistrot de Oliveira <danielbristot@gmail.com> Cc: Juri Lelli <juri.lelli@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1477473437-10346-2-git-send-email-tommaso.cucinotta@sssup.it Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/debug.c')
-rw-r--r--kernel/sched/debug.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index fa178b62ea79..109adc0e9cb9 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -953,6 +953,10 @@ void proc_sched_show_task(struct task_struct *p, struct seq_file *m)
#endif
P(policy);
P(prio);
+ if (p->policy == SCHED_DEADLINE) {
+ P(dl.runtime);
+ P(dl.deadline);
+ }
#undef PN_SCHEDSTAT
#undef PN
#undef __PN