Re: [PATCH v8] perf diff: Report noisy for cycles diff

Hi Jiri, Hi Arnaldo, Can this patch be accepted? Thanks Jin Yao On 9/25/2019 9:14 AM, Jin Yao wrote: This patch prints the stddev and hist for the cycles diff of program block. It can help us to understand if the cycles is noisy or not. This patch is inspired by Andi Kleen's patch https://lwn

[PATCH v8] perf diff: Report noisy for cycles diff

This patch prints the stddev and hist for the cycles diff of program block. It can help us to understand if the cycles is noisy or not. This patch is inspired by Andi Kleen's patch https://lwn.net/Articles/600471/ We create new option '--cycles-hist'. Example: perf record -b ./div perf record -