On Mon, Apr 19, 2021 at 08:26:02PM +, Song Liu wrote:
>
>
> > On Apr 17, 2021, at 9:45 AM, Namhyung Kim wrote:
> >
> > Hi Song,
> >
> > On Sat, Apr 17, 2021 at 7:13 AM Song Liu wrote:
> >>
> >> Currently, to use BPF to aggregate perf event counters, the user uses
> >> --bpf-counters opti
> On Apr 19, 2021, at 7:26 AM, Jiri Olsa wrote:
>
> On Fri, Apr 16, 2021 at 03:13:24PM -0700, Song Liu wrote:
>
> SNIP
>
>> +/*
>> + * Returns:
>> + * 0 if all events use BPF;
>> + * 1 if some events do NOT use BPF;
>> + * < 0 on errors;
>> + */
>> static int read_bpf_map_cou
> On Apr 17, 2021, at 9:45 AM, Namhyung Kim wrote:
>
> Hi Song,
>
> On Sat, Apr 17, 2021 at 7:13 AM Song Liu wrote:
>>
>> Currently, to use BPF to aggregate perf event counters, the user uses
>> --bpf-counters option. Enable "use bpf by default" events with a config
>> option, stat.bpf-coun
On Fri, Apr 16, 2021 at 03:13:24PM -0700, Song Liu wrote:
SNIP
> +/*
> + * Returns:
> + * 0 if all events use BPF;
> + * 1 if some events do NOT use BPF;
> + * < 0 on errors;
> + */
> static int read_bpf_map_counters(void)
> {
> + bool has_none_bpf_events = false;
> st
Hi Song,
On Sat, Apr 17, 2021 at 7:13 AM Song Liu wrote:
>
> Currently, to use BPF to aggregate perf event counters, the user uses
> --bpf-counters option. Enable "use bpf by default" events with a config
> option, stat.bpf-counter-events. Events with name in the option will use
> BPF.
>
> This a
Currently, to use BPF to aggregate perf event counters, the user uses
--bpf-counters option. Enable "use bpf by default" events with a config
option, stat.bpf-counter-events. Events with name in the option will use
BPF.
This also enables mixed BPF event and regular event in the same sesssion.
For
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