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From: Arnaldo Carvalho de Melo <acme@redhat.com>
To: Song Liu <songliubraving@fb.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	ast@kernel.org, daniel@iogearbox.net, kernel-team@fb.com,
	peterz@infradead.org, jolsa@kernel.org, namhyung@kernel.org
Subject: Re: [PATCH v2 perf,bpf 01/11] perf, bpf: consider events with attr.bpf_event as side-band events
Date: Fri, 15 Feb 2019 12:14:07 -0200	[thread overview]
Message-ID: <20190215141407.GA5784@redhat.com> (raw)
In-Reply-To: <20190214235840.2587123-1-songliubraving@fb.com>

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@fb.com>
> ---
>  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

  reply	other threads:[~2019-02-15 14:14 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-14 23:56 [PATCH v2 perf,bpf 00/11] perf annotation of BPF programs Song Liu
2019-02-14 23:58 ` [PATCH v2 perf,bpf 01/11] perf, bpf: consider events with attr.bpf_event as side-band events Song Liu
2019-02-15 14:14   ` Arnaldo Carvalho de Melo [this message]
2019-02-15 17:02     ` Song Liu
2019-02-15 18:04       ` Arnaldo Carvalho de Melo
2019-02-15  0:00 ` [PATCH v2 perf,bpf 02/11] bpf: libbpf: introduce bpf_program__get_prog_info_linear() Song Liu
2019-02-15  0:00   ` [PATCH v2 perf,bpf 03/11] bpf: bpftool: use bpf_program__get_prog_info_linear() in prog.c:do_dump() Song Liu
2019-02-15  0:00   ` [PATCH v2 perf,bpf 04/11] perf, bpf: synthesize bpf events with bpf_program__get_prog_info_linear() Song Liu
2019-02-15  0:00   ` [PATCH v2 perf,bpf 05/11] perf, bpf: save bpf_prog_info in a rbtree in perf_env Song Liu
2019-02-15 14:21     ` Arnaldo Carvalho de Melo
2019-02-15 17:04       ` Song Liu
2019-02-15  0:00   ` [PATCH v2 perf,bpf 06/11] perf, bpf: save bpf_prog_info information as headers to perf.data Song Liu
2019-02-15  0:00   ` [PATCH v2 perf,bpf 07/11] perf, bpf: save btf in a rbtree in perf_env Song Liu
2019-02-15 14:30     ` Arnaldo Carvalho de Melo
2019-02-15  0:00   ` [PATCH v2 perf,bpf 08/11] perf, bpf: save btf information as headers to perf.data Song Liu
2019-02-15 14:26     ` Arnaldo Carvalho de Melo
2019-02-15 17:25       ` Song Liu
2019-02-15 17:40         ` Arnaldo Carvalho de Melo
2019-02-15 17:47           ` Song Liu
2019-02-15 18:20             ` Arnaldo Carvalho de Melo
2019-02-15 18:59               ` Song Liu
2019-02-15  0:00   ` [PATCH v2 perf,bpf 09/11] perf-top: add option --bpf-event Song Liu
2019-02-15 14:27     ` Arnaldo Carvalho de Melo
2019-02-15 17:06       ` Song Liu
2019-02-15 18:05         ` Arnaldo Carvalho de Melo
2019-02-15  0:00 ` [PATCH v2 perf,bpf 10/11] perf, bpf: enable annotation of bpf program Song Liu
2019-02-15  0:00   ` [PATCH v2 perf,bpf 11/11] perf, bpf: save information about short living bpf programs Song Liu
2019-02-15 14:41     ` Arnaldo Carvalho de Melo
2019-02-15 17:13       ` Song Liu
2019-02-15 18:09         ` Arnaldo Carvalho de Melo
2019-02-15 18:13           ` Song Liu

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