Re: [RFC v2 0/2] Introduce perf-stat -b for BPF programs

2020-12-01 Thread Song Liu
> On Dec 1, 2020, at 12:16 PM, Jiri Olsa wrote: > > On Mon, Nov 30, 2020 at 11:36:45PM -0800, Song Liu wrote: >> This set introduces perf-stat -b option to count events for BPF programs. >> This is similar to bpftool-prog-profile. But perf-stat makes it much more >> flexible. >> >> Sending as

Re: [RFC v2 0/2] Introduce perf-stat -b for BPF programs

2020-12-01 Thread Jiri Olsa
On Mon, Nov 30, 2020 at 11:36:45PM -0800, Song Liu wrote: > This set introduces perf-stat -b option to count events for BPF programs. > This is similar to bpftool-prog-profile. But perf-stat makes it much more > flexible. > > Sending as RFC because I haven't addressed some known limitations: > 1

[RFC v2 0/2] Introduce perf-stat -b for BPF programs

2020-11-30 Thread Song Liu
This set introduces perf-stat -b option to count events for BPF programs. This is similar to bpftool-prog-profile. But perf-stat makes it much more flexible. Sending as RFC because I haven't addressed some known limitations: 1. Only counting events for one BPF program at a time. 2. Need extra