RE: [EXT] Re: [PATCH v3 1/4] eal: add generic support for reading PMU events

Hello Min, > -Original Message- > From: zhoumin > Sent: Wednesday, November 30, 2022 9:33 AM > To: Tomasz Duszynski ; dev@dpdk.org > Cc: tho...@monjalon.net; Jerin Jacob Kollanukkaran > Subject: [EXT] Re: [PATCH v3 1/4] eal: add generic support for reading PMU >

Re: [PATCH v3 1/4] eal: add generic support for reading PMU events

Hi Tomasz, On Tue, Nov 29, 2022 at 5:28 PM, 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 ca

[PATCH v3 1/4] eal: add generic support for reading PMU events

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