Messages in this thread | | | Date | Mon, 7 Mar 2022 10:53:38 +0800 | From | Huang Rui <> | Subject | Re: [PATCH V2 1/4] cpufreq: amd-pstate: Add more tracepoint for AMD P-State module |
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On Sat, Mar 05, 2022 at 02:49:51AM +0800, Rafael J. Wysocki wrote: > On Fri, Mar 4, 2022 at 7:42 AM Huang Rui <ray.huang@amd.com> wrote: > > > > On Fri, Mar 04, 2022 at 02:07:21PM +0800, Su, Jinzhou (Joe) wrote: > > > Add frequency, mperf, aperf and tsc in the trace. This can be used > > > to debug and tune the performance of AMD P-state driver. > > > > > > Use the time difference between amd_pstate_update to calculate CPU > > > frequency. There could be sleep in arch_freq_get_on_cpu, so do not > > > use it here. > > > > > > Signed-off-by: Jinzhou Su <Jinzhou.Su@amd.com> > > > Co-developed-by: Huang Rui <ray.huang@amd.com> > > > Signed-off-by: Huang Rui <ray.huang@amd.com> > > > > Let's remove "Signed-off-by" of me, just leave "Co-developed-by". > > Actually, they both need to be present (the C-d-b clarifies the S-o-b > meaning), so the above is correct. >
OK, I see. Thanks to clarify this.
Best Regards, Ray
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