RE: [PATCH v5 1/4] eal: add generic support for reading PMU events

2023-01-11 Thread Morten Brørup
> From: Tomasz Duszynski [mailto:tduszyn...@marvell.com] > Sent: Wednesday, 11 January 2023 17.21 > > >From: Morten Brørup > >Sent: Wednesday, January 11, 2023 10:06 AM > > > >> From: Tomasz Duszynski [mailto:tduszyn...@marvell.com] > >> Sent: Wednesday, 11 January 2023 00.47 > >> > >> Add suppor

RE: [PATCH v5 1/4] eal: add generic support for reading PMU events

2023-01-11 Thread Tomasz Duszynski
[EXT] RE: [PATCH v5 1/4] eal: add generic support for reading PMU >events > >External Email > >-- >> From: Tomasz Duszynski [mailto:tduszyn...@marvell.com] >> Sent: Wednesday, 11 January 2023 00.47

RE: [PATCH v5 1/4] eal: add generic support for reading PMU events

2023-01-11 Thread Morten Brørup
> From: Tomasz Duszynski [mailto:tduszyn...@marvell.com] > Sent: Wednesday, 11 January 2023 00.47 > > 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 r

[PATCH v5 1/4] eal: add generic support for reading PMU events

2023-01-10 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