Re: BUG: perf top enters loop synthesizing events for existing threads

[David Ahern]

On 4/8/15 7:45 AM, Arnaldo Carvalho de Melo wrote:
> > I also noticed that if I set /proc/sys/kernel/perf_event_paranoid to -1
> > to run it as !root, then the problem "goes away", which I think probably
> > is explained by, as !root, not being able to parse some of the /proc
> > files for existing threads and thus not triggering the bug, still
> > investigating...

odd. because this has nothing to do with perf_events; it is just walking 
/proc and for the ppid adds a strstr and atoi(str). Something else is at 
play. I'll take a look.

David
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