Re: "perf: interrupt took too long" messages even with perf_cpu_time_max_percent==0

From: Peter Zijlstra
Date: Sat Apr 02 2016 - 12:33:48 EST


On Sat, Apr 02, 2016 at 01:17:26PM +0200, Markus Trippelsdorf wrote:
> On 2016.04.02 at 13:00 +0200, Peter Zijlstra wrote:

> > Ah, was 0 also meant to disable it?
>
> Yes. From Documentation/sysctl/kernel.txt:

Oh wow, we have documentation on this! Learn something new every day :-)