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From: Jiri Olsa <jolsa@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, acme@redhat.com, jolsa@kernel.org,
	namhyung@kernel.org
Subject: Re: [PATCH v4 perf,bpf 12/15] perf, bpf: enable annotation of bpf program
Date: Wed, 27 Feb 2019 14:21:47 +0100	[thread overview]
Message-ID: <20190227132147.GH18893@krava> (raw)
In-Reply-To: <20190226002019.3748539-13-songliubraving@fb.com>

On Mon, Feb 25, 2019 at 04:20:16PM -0800, Song Liu wrote:

SNIP

> diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
> index 093352e93d50..0bc9ec69f38a 100644
> --- a/tools/perf/util/util.c
> +++ b/tools/perf/util/util.c
> @@ -506,3 +506,13 @@ const char *perf_tip(const char *dirpath)
>  
>  	return tip;
>  }
> +
> +void get_exec_path(char *tpath, size_t size)
> +{
> +	const char *path = "/proc/self/exe";
> +	ssize_t len;
> +
> +	len = readlink(path, tpath, size - 1);
> +	assert(len > 0);
> +	tpath[len] = 0;
> +}

we have now helper for that, please rebase this on top of
arnaldo's perf/core:

  94816add0005 perf tools: Add perf_exe() helper to find perf binary

jirka

  reply	other threads:[~2019-02-27 13:21 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-26  0:20 [PATCH v4 perf,bpf 00/15] perf annotation of BPF programs Song Liu
2019-02-26  0:20 ` [PATCH v4 perf,bpf 01/15] perf, bpf: consider events with attr.bpf_event as side-band events Song Liu
2019-03-09 19:46   ` [tip:perf/urgent] perf, bpf: Consider " tip-bot for Song Liu
2019-02-26  0:20 ` [PATCH v4 perf,bpf 02/15] bpf: libbpf: introduce bpf_program__get_prog_info_linear() Song Liu
2019-02-26  0:20 ` [PATCH v4 perf,bpf 03/15] bpf: bpftool: use bpf_program__get_prog_info_linear() in prog.c:do_dump() Song Liu
2019-02-26  0:20 ` [PATCH v4 perf,bpf 04/15] perf, bpf: synthesize bpf events with bpf_program__get_prog_info_linear() Song Liu
2019-02-26  0:20 ` [PATCH v4 perf,bpf 05/15] perf: change prototype of perf_event__synthesize_bpf_events() Song Liu
2019-02-26  0:20 ` [PATCH v4 perf,bpf 06/15] perf, bpf: save bpf_prog_info in a rbtree in perf_env Song Liu
2019-02-27 13:21   ` Jiri Olsa
2019-02-27 17:38     ` Song Liu
2019-02-27 13:21   ` Jiri Olsa
2019-02-27 13:21   ` Jiri Olsa
2019-02-26  0:20 ` [PATCH v4 perf,bpf 07/15] perf, bpf: save bpf_prog_info information as headers to perf.data Song Liu
2019-02-27 13:21   ` Jiri Olsa
2019-02-27 17:28     ` Song Liu
2019-02-26  0:20 ` [PATCH v4 perf,bpf 08/15] perf, bpf: save btf in a rbtree in perf_env Song Liu
2019-02-26  0:20 ` [PATCH v4 perf,bpf 09/15] perf, bpf: save btf information as headers to perf.data Song Liu
2019-02-26  0:20 ` [PATCH v4 perf,bpf 10/15] perf-top: add option --no-bpf-event Song Liu
2019-02-26  0:20 ` [PATCH v4 perf,bpf 11/15] perf: add -lopcodes to feature-libbfd Song Liu
2019-02-26  0:20 ` [PATCH v4 perf,bpf 12/15] perf, bpf: enable annotation of bpf program Song Liu
2019-02-27 13:21   ` Jiri Olsa [this message]
2019-02-27 13:22   ` Jiri Olsa
2019-02-26  0:20 ` [PATCH v4 perf,bpf 13/15] perf, bpf: process PERF_BPF_EVENT_PROG_LOAD for annotation Song Liu
2019-02-26  0:20 ` [PATCH v4 perf,bpf 14/15] perf: introduce side band thread Song Liu
2019-02-27 13:21   ` Jiri Olsa
2019-02-27 17:52     ` Song Liu
2019-03-04 13:52       ` Jiri Olsa
2019-03-04 19:49         ` Song Liu
2019-03-04 20:41           ` Jiri Olsa
2019-03-04 20:44             ` Song Liu
2019-03-04 21:40     ` Song Liu
2019-03-05 11:03       ` Jiri Olsa
2019-03-05 20:37         ` Song Liu
2019-02-26  0:20 ` [PATCH v4 perf,bpf 15/15] perf, bpf: save information about short living bpf programs Song Liu
2019-02-27 13:21   ` Jiri Olsa
2019-02-27 17:42     ` Song Liu

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