Messages in this thread Patch in this message | | | Date | Wed, 08 Apr 2020 12:20:23 -0000 | From | "tip-bot2 for Valentin Schneider" <> | Subject | [tip: sched/urgent] sched/debug: Add task uclamp values to SCHED_DEBUG procfs |
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The following commit has been merged into the sched/urgent branch of tip:
Commit-ID: 96e74ebf8d594496f3dda5f8e26af6b4e161e4e9 Gitweb: https://git.kernel.org/tip/96e74ebf8d594496f3dda5f8e26af6b4e161e4e9 Author: Valentin Schneider <valentin.schneider@arm.com> AuthorDate: Wed, 26 Feb 2020 12:45:43 Committer: Ingo Molnar <mingo@kernel.org> CommitterDate: Wed, 08 Apr 2020 11:35:27 +02:00
sched/debug: Add task uclamp values to SCHED_DEBUG procfs
Requested and effective uclamp values can be a bit tricky to decipher when playing with cgroup hierarchies. Add them to a task's procfs when SCHED_DEBUG is enabled.
Reviewed-by: Qais Yousef <qais.yousef@arm.com> Signed-off-by: Valentin Schneider <valentin.schneider@arm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://lkml.kernel.org/r/20200226124543.31986-4-valentin.schneider@arm.com --- kernel/sched/debug.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 315ef6d..a562df5 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -947,6 +947,12 @@ void proc_sched_show_task(struct task_struct *p, struct pid_namespace *ns, P(se.avg.util_est.ewma); P(se.avg.util_est.enqueued); #endif +#ifdef CONFIG_UCLAMP_TASK + __PS("uclamp.min", p->uclamp[UCLAMP_MIN].value); + __PS("uclamp.max", p->uclamp[UCLAMP_MAX].value); + __PS("effective uclamp.min", uclamp_eff_value(p, UCLAMP_MIN)); + __PS("effective uclamp.max", uclamp_eff_value(p, UCLAMP_MAX)); +#endif P(policy); P(prio); if (task_has_dl_policy(p)) {
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