From: "Wangnan (F)" <wangnan0@huawei.com>
To: Alexei Starovoitov <ast@plumgrid.com>, <acme@kernel.org>,
<brendan.d.gregg@gmail.com>, <daniel@iogearbox.net>,
<namhyung@kernel.org>, <masami.hiramatsu.pt@hitachi.com>,
<paulus@samba.org>, <a.p.zijlstra@chello.nl>, <mingo@redhat.com>,
<jolsa@kernel.org>, <dsahern@gmail.com>
Cc: <linux-kernel@vger.kernel.org>, <lizefan@huawei.com>,
<hekuang@huawei.com>, <xiakaixu@huawei.com>, <pi3orama@163.com>
Subject: Re: [RFC PATCH 3/3] perf tools: Support attach BPF program on uprobe events
Date: Fri, 26 Jun 2015 19:09:59 +0800 [thread overview]
Message-ID: <558D3307.2080801@huawei.com> (raw)
In-Reply-To: <558D11A4.5020102@plumgrid.com>
On 2015/6/26 16:47, Alexei Starovoitov wrote:
> 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@huawei.com>
>
> looks good.
> why use ':' separator? '=' should work as well and will be more
> consistent ?
Will do.
Thank you.
prev parent reply other threads:[~2015-06-26 11:11 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-25 10:37 [RFC PATCH 0/3] tracing, perf tools: Attach BPF program on uprobe events Wang Nan
2015-06-25 10:37 ` [RFC PATCH 1/3] perf probe: Init symbol as kprobe if any pev is kprobe Wang Nan
2015-06-26 8:49 ` Alexei Starovoitov
2015-06-27 7:29 ` Masami Hiramatsu
2015-06-27 7:34 ` Wangnan (F)
2015-06-27 8:30 ` Masami Hiramatsu
2015-06-27 11:15 ` Wangnan (F)
2015-06-25 10:37 ` [RFC PATCH 2/3] tracing, perf: Implement BPF programs attached to uprobes Wang Nan
2015-06-26 8:45 ` Alexei Starovoitov
2015-06-25 10:37 ` [RFC PATCH 3/3] perf tools: Support attach BPF program on uprobe events Wang Nan
2015-06-26 8:47 ` Alexei Starovoitov
2015-06-26 11:09 ` Wangnan (F) [this message]
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