Re: [RFC 0/2] perf/core: Invoke pmu::sched_task callback for cpu events

On Mon, Nov 2, 2020 at 6:52 AM Namhyung Kim wrote: > > Hello, > > It was reported that system-wide events with precise_ip set have a lot > of unknown symbols on Intel machines. Depending on the system load I > can see more than 30% of total symbols are not resolved (actually > don't have DSO mapp

[RFC 0/2] perf/core: Invoke pmu::sched_task callback for cpu events

Hello, It was reported that system-wide events with precise_ip set have a lot of unknown symbols on Intel machines. Depending on the system load I can see more than 30% of total symbols are not resolved (actually don't have DSO mappings). I found that it's only large PEBS is enabled - using call