linux-kernel - Re: [PATCH v7 0/5] bpf: Introduce the new ability of eBPF programs to access hardware PMU counter

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Message-Id: <20150809.225034.728930050511076416.davem@davemloft.net>
Date:	Sun, 09 Aug 2015 22:50:34 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	xiakaixu@...wei.com
Cc:	ast@...mgrid.com, acme@...nel.org, mingo@...hat.com,
	a.p.zijlstra@...llo.nl, masami.hiramatsu.pt@...achi.com,
	jolsa@...nel.org, daniel@...earbox.net, wangnan0@...wei.com,
	linux-kernel@...r.kernel.org, pi3orama@....com, hekuang@...wei.com,
	netdev@...r.kernel.org
Subject: Re: [PATCH v7 0/5] bpf: Introduce the new ability of eBPF programs
 to access hardware PMU counter

From: Kaixu Xia <xiakaixu@...wei.com>
Date: Thu, 6 Aug 2015 07:02:31 +0000

> The detail of patches is as follow:
> 
> Patch 1/5 add the necessary core perf APIs perf_event_attrs(),
> perf_event_get(),perf_event_read_local() when accessing events
> counters in eBPF programs
> 
> Patch 2/5 rewrites part of the bpf_prog_array map code and make it
> more generic;
> 
> Patch 3/5 introduces a new bpf map type. This map only stores the
> pointer to struct perf_event;
> 
> Patch 4/5 implements function bpf_perf_event_read() that get the
> selected hardware PMU conuter;
> 
> Patch 5/5 gives a simple example.

Series applied, thanks.
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