Re: BUG in "perf: Suppress AUX/OVERWRITE records"?
From: Alexander Shishkin
Date: Wed Mar 27 2019 - 05:17:51 EST
Ben Gainey <Ben.Gainey@xxxxxxx> writes:
>> It was an unintentional side effect that it also
>> happened to coincide with context switches in the overwrite mode.
>
> I'm not using overwrite mode, I'm opening the mmap with PROT_WRITE
> (i.e. in truncate mode).
Now I get it. Does the below fix the problem for you?