linux-kernel - Re: [RFC PATCH 3/3] perf tools: Support attach BPF program on uprobe events

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Message-ID: <558D11A4.5020102@plumgrid.com>
Date:	Fri, 26 Jun 2015 01:47:32 -0700
From:	Alexei Starovoitov <ast@...mgrid.com>
To:	Wang Nan <wangnan0@...wei.com>, acme@...nel.org,
	brendan.d.gregg@...il.com, daniel@...earbox.net,
	namhyung@...nel.org, masami.hiramatsu.pt@...achi.com,
	paulus@...ba.org, a.p.zijlstra@...llo.nl, mingo@...hat.com,
	jolsa@...nel.org, dsahern@...il.com
CC:	linux-kernel@...r.kernel.org, lizefan@...wei.com,
	hekuang@...wei.com, xiakaixu@...wei.com, pi3orama@....com
Subject: Re: [RFC PATCH 3/3] perf tools: Support attach BPF program on uprobe
 events

On 6/25/15 3:37 AM, Wang Nan wrote:
> This patch append new syntax to BPF object section name to support
> probing at uprobe event. Now we can use BPF program like this:
>
>   SEC(
>   "target:/lib64/libc.so.6\n"
>   "libcwrite=__write"
>   )
>   int libcwrite(void *ctx)
>   {
>       return 1;
>   }
>
> Where, in section name of a program, before the main config string,
> we can use 'key:value' style options. Now the only option key "target"
> is for uprobe probing.
>
> Signed-off-by: Wang Nan<wangnan0@...wei.com>

looks good.
why use ':' separator? '=' should work as well and will be more
consistent ?
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