Re: [PATCH v3 1/2] cpuidle: Trace IPI based and timer based wakeup latency from idle states

2020-07-28 Thread Pratik Sampat
Hello Rafael, On 27/07/20 7:12 pm, Rafael J. Wysocki wrote: On Tue, Jul 21, 2020 at 2:43 PM Pratik Rajesh Sampat wrote: Fire directed smp_call_function_single IPIs from a specified source CPU to the specified target CPU to reduce the noise we have to wade through in the trace log. And what's

Re: [PATCH v3 1/2] cpuidle: Trace IPI based and timer based wakeup latency from idle states

2020-07-27 Thread Rafael J. Wysocki
On Tue, Jul 21, 2020 at 2:43 PM Pratik Rajesh Sampat wrote: > > Fire directed smp_call_function_single IPIs from a specified source > CPU to the specified target CPU to reduce the noise we have to wade > through in the trace log. And what's the purpose of it? > The module is based on the idea wr

[PATCH v3 1/2] cpuidle: Trace IPI based and timer based wakeup latency from idle states

2020-07-21 Thread Pratik Rajesh Sampat
Fire directed smp_call_function_single IPIs from a specified source CPU to the specified target CPU to reduce the noise we have to wade through in the trace log. The module is based on the idea written by Srivatsa Bhat and maintained by Vaidyanathan Srinivasan internally. Queue HR timer and measur