Messages in this thread | | | From | Doug Smythies <> | Date | Sun, 25 Apr 2021 13:47:10 -0700 | Subject | Re: [RFC v4 1/2] cpuidle: Extract IPI based and timer based wakeup latency from idle states |
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Hi Pratik,
On Mon, Apr 12, 2021 at 12:43 AM Pratik Rajesh Sampat <psampat@linux.ibm.com> wrote: > > Introduce a mechanism to fire directed IPIs from a specified source CPU > to a specified target CPU and measure the difference in time incurred on > wakeup. > > Also, introduce a mechanism to queue a HR timer on a specified CPU and > subsequently measure the time taken to wakeup the CPU. > > Finally define a simple debugfs interface to control the knobs to fire > the IPI and Timer events on specified CPU and view their incurred idle > wakeup latencies. > > Signed-off-by: Pratik Rajesh Sampat <psampat@linux.ibm.com>
Reviewed-by: Doug Smythies <dsmythies@telus.net>
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