Re: [PATCH 6/6] psi: introduce psi monitor
From: Peter Zijlstra <peterz@infradead.org>
Date: 2018-12-17 16:37:39
Also in:
cgroups, linux-mm, lkml
On Fri, Dec 14, 2018 at 09:15:08AM -0800, Suren Baghdasaryan wrote:
quoted hunk ↗ jump to hunk
@@ -358,28 +526,23 @@ static void psi_update_work(struct work_struct *work) { struct delayed_work *dwork; struct psi_group *group; + u64 next_update; dwork = to_delayed_work(work); group = container_of(dwork, struct psi_group, clock_work); /* + * Periodically fold the per-cpu times and feed samples + * into the running averages. */ + psi_update(group); + /* Calculate closest update time */ + next_update = min(group->polling_next_update, + group->avg_next_update); + schedule_delayed_work(dwork, min(PSI_FREQ, + nsecs_to_jiffies(next_update - sched_clock()) + 1));
See, so I don't at _all_ like how there is no idle option..
}