Messages in this thread | | | Subject | Re: [PATCH v4 0/2] perf header: Support HYBRID_TOPOLOGY and HYBRID_CPU_PMU_CAPS | From | "Jin, Yao" <> | Date | Tue, 18 May 2021 09:40:41 +0800 |
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Hi Jiri,
On 5/16/2021 5:18 AM, Jiri Olsa wrote: > On Fri, May 14, 2021 at 08:29:46PM +0800, Jin Yao wrote: >> AlderLake uses a hybrid architecture utilizing Golden Cove cores >> (core cpu) and Gracemont cores (atom cpu). It would be useful to let user >> know the hybrid topology, the HYBRID_TOPOLOGY feature in header indicates >> which cpus are core cpus, and which cpus are atom cpus. >> >> On hybrid platform, it may have several cpu pmus, such as, "cpu_core" and >> "cpu_atom". The HYBRID_CPU_PMU_CAPS feature in perf header is created to >> support multiple cpu pmus. >> >> v4: >> --- >> - Only minor update in '[PATCH v4 2/2] perf header: Support HYBRID_CPU_PMU_CAPS feature'. >> 1. Directly return process_per_cpu_pmu_caps() in process_cpu_pmu_caps. >> Remove the variable 'ret'. >> 2. Set 'ret = -1' if (!n->pmu_name) in process_hybrid_cpu_pmu_caps(). > Acked-by: Jiri Olsa<jolsa@redhat.com> > > thanks, > jirka >
Thanks so much!
I have some followup patches which depend on this patchset. I will post them after this patchset is applied.
Thanks Jin Yao
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