Messages in this thread | | | Date | Thu, 18 May 2023 07:43:00 +0530 | Subject | Re: [PATCH v4 0/5] perf stat: Add option to aggregate data based on the cache topology | From | K Prateek Nayak <> |
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Hello Ian,
On 5/17/2023 11:28 PM, Ian Rogers wrote: > On Wed, May 17, 2023 at 10:22 AM K Prateek Nayak <kprateek.nayak@amd.com> wrote: >> >> Motivation behind this feature is to aggregate the data at the LLC level >> for chiplet based processors which currently do not expose the chiplet >> details in sysfs cpu topology information. >> >> For the completeness of the feature, the series adds ability to >> aggregate data at any cache level. Following is the example of the >> output on a dual socket Zen3 processor with 2 x 64C/128T containing 8 >> chiplet per socket. >> >> $ sudo perf stat --per-cache -a -e ls_dmnd_fills_from_sys.ext_cache_remote --\ >> taskset -c 0-15,64-79,128-143,192-207\ >> perf bench sched messaging -p -t -l 100000 -g 8 >> >> # Running 'sched/messaging' benchmark: >> # 20 sender and receiver threads per group >> # 8 groups == 320 threads run >> >> Total time: 7.648 [sec] >> >> Performance counter stats for 'system wide': >> >> S0-D0-L3-ID0 16 17,145,912 ls_dmnd_fills_from_sys.ext_cache_remote >> S0-D0-L3-ID8 16 14,977,628 ls_dmnd_fills_from_sys.ext_cache_remote >> S0-D0-L3-ID16 16 262,539 ls_dmnd_fills_from_sys.ext_cache_remote >> S0-D0-L3-ID24 16 3,140 ls_dmnd_fills_from_sys.ext_cache_remote >> S0-D0-L3-ID32 16 27,403 ls_dmnd_fills_from_sys.ext_cache_remote >> S0-D0-L3-ID40 16 17,026 ls_dmnd_fills_from_sys.ext_cache_remote >> S0-D0-L3-ID48 16 7,292 ls_dmnd_fills_from_sys.ext_cache_remote >> S0-D0-L3-ID56 16 2,464 ls_dmnd_fills_from_sys.ext_cache_remote >> S1-D1-L3-ID64 16 22,489,306 ls_dmnd_fills_from_sys.ext_cache_remote >> S1-D1-L3-ID72 16 21,455,257 ls_dmnd_fills_from_sys.ext_cache_remote >> S1-D1-L3-ID80 16 11,619 ls_dmnd_fills_from_sys.ext_cache_remote >> S1-D1-L3-ID88 16 30,978 ls_dmnd_fills_from_sys.ext_cache_remote >> S1-D1-L3-ID96 16 37,628 ls_dmnd_fills_from_sys.ext_cache_remote >> S1-D1-L3-ID104 16 13,594 ls_dmnd_fills_from_sys.ext_cache_remote >> S1-D1-L3-ID112 16 10,164 ls_dmnd_fills_from_sys.ext_cache_remote >> S1-D1-L3-ID120 16 11,259 ls_dmnd_fills_from_sys.ext_cache_remote >> >> 7.779171484 seconds time elapsed >> >> [..snip..] > > Acked-by: Ian Rogers <irogers@google.com>
Thank you for taking a look at the series and for the ack :)
> > Thanks, > Ian > >> [..snip..] >>
-- Thanks and Regards, Prateek
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