Messages in this thread | | | Date | Tue, 25 Jan 2022 09:40:39 -0500 | From | Johannes Weiner <> | Subject | Re: [PATCHv4] psi: fix possible trigger missing in the window |
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On Tue, Jan 25, 2022 at 02:56:58PM +0800, Huangzhaoyang wrote: > From: Zhaoyang Huang <zhaoyang.huang@unisoc.com> > > When a new threshold breaching stall happens after a psi event was > generated and within the window duration, the new event is not > generated because the events are rate-limited to one per window. If > after that no new stall is recorded then the event will not be > generated even after rate-limiting duration has passed. This is > happening because with no new stall, window_update will not be called > even though threshold was previously breached. To fix this, record > threshold breaching occurrence and generate the event once window > duration is passed. > > Suggested-by: Suren Baghdasaryan <surenb@google.com> > Signed-off-by: Zhaoyang Huang <zhaoyang.huang@unisoc.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
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