Re: [PATCH v2 perf,bpf 01/11] perf, bpf: consider events with attr.bpf_event as side-band events

From: Arnaldo Carvalho de Melo
Date: Fri Feb 15 2019 - 09:14:10 EST


Em Thu, Feb 14, 2019 at 03:58:40PM -0800, Song Liu escreveu:
> Events with bpf_event should be considered as side-band event, as they
> carry information about BPF programs.
>
> Fixes: 6ee52e2a3fe4 ("perf, bpf: Introduce PERF_RECORD_BPF_EVENT")
> Signed-off-by: Song Liu <songliubraving@xxxxxx>
> ---
> kernel/events/core.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/kernel/events/core.c b/kernel/events/core.c
> index 0a8dab322111..9403bdda5f8c 100644
> --- a/kernel/events/core.c
> +++ b/kernel/events/core.c
> @@ -4238,7 +4238,8 @@ static bool is_sb_event(struct perf_event *event)
> if (attr->mmap || attr->mmap_data || attr->mmap2 ||
> attr->comm || attr->comm_exec ||
> attr->task || attr->ksymbol ||
> - attr->context_switch)
> + attr->context_switch ||
> + attr->bpf_event)

What about attr->ksymbol?

- Arnaldo

> return true;
> return false;
> }
> --
> 2.17.1