On 2021-05-23 at 23:55, Richard Hector wrote: > Hi all, > > I see messages like this frequently for a day or two after rebooting > a particularly slow old machine (Atom-based HP thin client, running > as an OpenVPN endpoint): > > May 23 05:36:37 ovpn kernel: [14268.392418] perf: interrupt took too > long (4020 > 3996), lowering kernel.perf_event_max_sample_rate to > 49750
I get this same behavior, except that my machine is not in any way slow (except for intermittent issues with the secondary SATA controller on the motherboard). > Would it be a good idea to set this value at boot time, rather than > waiting for it to auto-adjust down till it settles? I wouldn't think so; if nothing else, it doesn't always seem to settle out to the same value every time. -- The Wanderer The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man. -- George Bernard Shaw
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