Re: [PATCH 3/6] psi: eliminate lazy clock mode

[PATCH 0/6] psi: pressure stall monitors · Suren Baghdasaryan <surenb@google.com> · 2018-12-14
[PATCH 1/6] fs: kernfs: add poll file operation · Suren Baghdasaryan <surenb@google.com> · 2018-12-14
[PATCH 2/6] kernel: cgroup: add poll file operation · Suren Baghdasaryan <surenb@google.com> · 2018-12-14
[PATCH 3/6] psi: eliminate lazy clock mode · Suren Baghdasaryan <surenb@google.com> · 2018-12-14
Re: [PATCH 3/6] psi: eliminate lazy clock mode · Peter Zijlstra <peterz@infradead.org> · 2018-12-17
Re: [PATCH 3/6] psi: eliminate lazy clock mode · Suren Baghdasaryan <surenb@google.com> · 2018-12-18
[PATCH 5/6] psi: rename psi fields in preparation for psi trigger addition · Suren Baghdasaryan <surenb@google.com> · 2018-12-14
[PATCH 6/6] psi: introduce psi monitor · Suren Baghdasaryan <surenb@google.com> · 2018-12-14
Re: [PATCH 6/6] psi: introduce psi monitor · Peter Zijlstra <peterz@infradead.org> · 2018-12-17
Re: [PATCH 6/6] psi: introduce psi monitor · Suren Baghdasaryan <surenb@google.com> · 2018-12-18
Re: [PATCH 6/6] psi: introduce psi monitor · Peter Zijlstra <peterz@infradead.org> · 2018-12-18
Re: [PATCH 6/6] psi: introduce psi monitor · Peter Zijlstra <peterz@infradead.org> · 2018-12-18
Re: [PATCH 6/6] psi: introduce psi monitor · Johannes Weiner <hannes@cmpxchg.org> · 2018-12-18
Re: [PATCH 6/6] psi: introduce psi monitor · Suren Baghdasaryan <surenb@google.com> · 2018-12-18
Re: [PATCH 6/6] psi: introduce psi monitor · Joel Fernandes <hidden> · 2018-12-18
Re: [PATCH 6/6] psi: introduce psi monitor · Suren Baghdasaryan <surenb@google.com> · 2018-12-18
Re: [PATCH 6/6] psi: introduce psi monitor · Peter Zijlstra <peterz@infradead.org> · 2018-12-17
Re: [PATCH 6/6] psi: introduce psi monitor · Suren Baghdasaryan <surenb@google.com> · 2018-12-18
Re: [PATCH 6/6] psi: introduce psi monitor · kbuild test robot <hidden> · 2018-12-18
Re: [PATCH 6/6] psi: introduce psi monitor · kbuild test robot <hidden> · 2018-12-22
[PATCH 4/6] psi: introduce state_mask to represent stalled psi states · Suren Baghdasaryan <surenb@google.com> · 2018-12-14
Re: [PATCH 4/6] psi: introduce state_mask to represent stalled psi states · Peter Zijlstra <peterz@infradead.org> · 2018-12-17
Re: [PATCH 4/6] psi: introduce state_mask to represent stalled psi states · Suren Baghdasaryan <surenb@google.com> · 2018-12-18
Re: [PATCH 4/6] psi: introduce state_mask to represent stalled psi states · Peter Zijlstra <peterz@infradead.org> · 2018-12-18

From: Peter Zijlstra <peterz@infradead.org>
Date: 2018-12-17 14:58:21
Also in: cgroups, linux-mm, lkml

On Fri, Dec 14, 2018 at 09:15:05AM -0800, Suren Baghdasaryan wrote:

Eliminate the idle mode and keep the worker doing 2s update intervals
at all times.

That sounds like a bad deal.. esp. so for battery powered devices like
say Andoird.

In general the push has been to always idle everything, see NOHZ and
NOHZ_FULL and all the work that's being put into getting rid of any and
all period work.

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