Re: [PATCH v3 0/7] perf: Stream comparison

2020-04-28 Thread Jin, Yao
Hi Jiri, On 4/27/2020 6:29 PM, Jiri Olsa wrote: On Mon, Apr 20, 2020 at 09:04:44AM +0800, Jin Yao wrote: Sometimes, a small change in a hot function reducing the cycles of this function, but the overall workload doesn't get faster. It is interesting where the cycles are moved to. What it would

Re: [PATCH v3 0/7] perf: Stream comparison

2020-04-28 Thread Jin, Yao
Hi Jiri, On 4/27/2020 6:10 PM, Jiri Olsa wrote: On Mon, Apr 20, 2020 at 09:04:44AM +0800, Jin Yao wrote: SNIP compute_flag div.c:25 compute_flag div.c:25 compute_flag div.c:22 compute_flag div.c:22 main d