Em Thu, Jan 17, 2019 at 01:03:20PM -0800, Stephane Eranian escreveu:
> On Thu, Jan 10, 2019 at 5:17 PM Stephane Eranian wrote:
> >
> > The perf_proc_update_handler() handles
> > /proc/sys/kernel/perf_event_max_sample_rate
> > syctl variable. When the PMU IRQ handler timing monitoring is
On Thu, Jan 10, 2019 at 05:17:16PM -0800, Stephane Eranian wrote:
> The perf_proc_update_handler() handles
> /proc/sys/kernel/perf_event_max_sample_rate
> syctl variable. When the PMU IRQ handler timing monitoring is disabled, i.e,
> when /proc/sys/kernel/perf_cpu_time_max_percent is equal to 0
On Thu, Jan 17, 2019 at 01:03:20PM -0800, Stephane Eranian wrote:
> On Thu, Jan 10, 2019 at 5:17 PM Stephane Eranian wrote:
> >
> > The perf_proc_update_handler() handles
> > /proc/sys/kernel/perf_event_max_sample_rate
> > syctl variable. When the PMU IRQ handler timing monitoring is disabled,
On Thu, Jan 10, 2019 at 5:17 PM Stephane Eranian wrote:
>
> The perf_proc_update_handler() handles
> /proc/sys/kernel/perf_event_max_sample_rate
> syctl variable. When the PMU IRQ handler timing monitoring is disabled, i.e,
> when /proc/sys/kernel/perf_cpu_time_max_percent is equal to 0 or 100,
The perf_proc_update_handler() handles
/proc/sys/kernel/perf_event_max_sample_rate
syctl variable. When the PMU IRQ handler timing monitoring is disabled, i.e,
when /proc/sys/kernel/perf_cpu_time_max_percent is equal to 0 or 100,
then no modification to sysctl_perf_event_sample_rate is allowed
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