On 09/20/2014 01:55 PM, Ed Greshko wrote:
On 09/21/14 03:45, jd1008 wrote:
> Often, I get these messages in /var/log/messages:
>
> [ 8308.300906] perf interrupt took too long (2501 > 2500), lowering
kernel.perf_event_max_sample_rate to 50000
>
> Is there a way to disable the performance monitor ?
echo 0 > /proc/sys/kernel/perf_cpu_time_max_percent
Use sysctl to make it permanent
Thanx Ed. For sysctl, the var name is kernel.perf_cpu_time_max_percent
Cheers,
JD