From: Alexei Starovoitov <ast@plumgrid.com>
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
Date: Fri, 26 Jun 2015 01:45:41 -0700 [thread overview]
Message-ID: <558D1135.8080709@plumgrid.com> (raw)
In-Reply-To: <1435228645-116055-3-git-send-email-wangnan0@huawei.com>
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>
next prev parent reply other threads:[~2015-06-26 8:46 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 [this message]
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)
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