Message-ID: <558D1135.8080709@plumgrid.com>
Date: Fri, 26 Jun 2015 01:45:41 -0700
From: Alexei Starovoitov <ast@plumgrid.com>
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To: Wang Nan <wangnan0@huawei.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 2/3] tracing, perf: Implement BPF programs attached
 to uprobes
References: <1435228645-116055-1-git-send-email-wangnan0@huawei.com> <1435228645-116055-3-git-send-email-wangnan0@huawei.com>
In-Reply-To: <1435228645-116055-3-git-send-email-wangnan0@huawei.com>
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On 6/25/15 3:37 AM, Wang Nan wrote:
> By copying BPF related operation to uprobe processing path, this patch
> allow users attach BPF programs to uprobes like what they are already
> doing on kprobes.
>
> After this patch, users are allowed to use PERF_EVENT_IOC_SET_BPF on a
> uprobe perf event. Which make it possible to profile user space programs
> and kernel events together using BPF.
>
> Signed-off-by: Wang Nan <wangnan0@huawei.com>

That's great.
Acked-by: Alexei Starovoitov <ast@plumgrid.com>

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