Messages in this thread | | | Date | Sat, 14 Apr 2018 11:35:16 +0900 | From | Sergey Senozhatsky <> | Subject | Re: [PATCH] printk: Ratelimit messages printed by console drivers |
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On (04/13/18 10:12), Steven Rostedt wrote: > > > The interval is set to one hour. It is rather arbitrary selected time. > > It is supposed to be a compromise between never print these messages, > > do not lockup the machine, do not fill the entire buffer too quickly, > > and get information if something changes over time. > > > I think an hour is incredibly long. We only allow 100 lines per hour for > printks happening inside another printk? > > I think 5 minutes (at most) would probably be plenty. One minute may be > good enough.
Besides 100 lines is absolutely not enough for any real lockdep splat. My call would be - up to 1000 lines in a 1 minute interval.
-ss
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