linux-kernel - Re: [PATCH v3 perf,bpf 08/11] perf, bpf: save btf information as headers to perf.data

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Date:   Mon, 18 Feb 2019 00:05:40 +0100
From:   Jiri Olsa <jolsa@...hat.com>
To:     Song Liu <songliubraving@...com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        ast@...nel.org, daniel@...earbox.net, kernel-team@...com,
        peterz@...radead.org, acme@...hat.com, jolsa@...nel.org,
        namhyung@...nel.org
Subject: Re: [PATCH v3 perf,bpf 08/11] perf, bpf: save btf information as
 headers to perf.data

On Fri, Feb 15, 2019 at 01:53:51PM -0800, Song Liu wrote:

SNIP

>  struct header_print_data {
> diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
> index 0785c91b4c3a..ba51d8e43c53 100644
> --- a/tools/perf/util/header.h
> +++ b/tools/perf/util/header.h
> @@ -40,6 +40,7 @@ enum {
>  	HEADER_MEM_TOPOLOGY,
>  	HEADER_CLOCKID,
>  	HEADER_BPF_PROG_INFO,
> +	HEADER_BTF,

hu, could we maybe prefix all the bpf related features with BPF_ ?

jirka

>  	HEADER_LAST_FEATURE,
>  	HEADER_FEAT_BITS	= 256,
>  };
> -- 
> 2.17.1
>