Re: [PATCH 1/4] eal: add generic support for reading PMU events

2022-12-15 Thread Mattias Rönnblom
On 2022-11-11 10:43, Tomasz Duszynski wrote: > Add support for programming PMU counters and reading their values > in runtime bypassing kernel completely. > > This is especially useful in cases where CPU cores are isolated > (nohz_full) i.e run dedicated tasks. In such cases one cannot use > stand

[PATCH 1/4] eal: add generic support for reading PMU events

2022-11-11 Thread Tomasz Duszynski
Add support for programming PMU counters and reading their values in runtime bypassing kernel completely. This is especially useful in cases where CPU cores are isolated (nohz_full) i.e run dedicated tasks. In such cases one cannot use standard perf utility without sacrificing latency and performa