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| author | Valentin Schneider <valentin.schneider@arm.com> | 2020-02-26 15:45:43 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-04-08 12:35:27 +0300 |
| commit | 96e74ebf8d594496f3dda5f8e26af6b4e161e4e9 (patch) | |
| tree | 73ae636dab113ef201623fd3073dfd7c135f8c12 /kernel/sched/debug.c | |
| parent | 9e3bf9469c29f7e4e49c5c0d8fecaf8ac57d1fe4 (diff) | |
| download | linux-96e74ebf8d594496f3dda5f8e26af6b4e161e4e9.tar.xz | |
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
Diffstat (limited to 'kernel/sched/debug.c')
| -rw-r--r-- | kernel/sched/debug.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 315ef6de3cc4..a562df57a86e 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)) { |