linux-kernel - Re: [PATCH net-next 0/3] bpf_perf_event

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Message-Id: <20151022.064252.1128486997660707405.davem@davemloft.net>
Date:	Thu, 22 Oct 2015 06:42:52 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	ast@...mgrid.com
Cc:	mingo@...nel.org, a.p.zijlstra@...llo.nl, wangnan0@...wei.com,
	hekuang@...wei.com, acme@...radead.org, daniel@...earbox.net,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 0/3] bpf_perf_event_output helper

From: Alexei Starovoitov <ast@...mgrid.com>
Date: Tue, 20 Oct 2015 20:02:32 -0700

> Over the last year there were multiple attempts to let eBPF programs
> output data into perf events by He Kuang and Wangnan.
> The last one was:
> https://lkml.org/lkml/2015/7/20/736
> It was almost perfect with exception that all bpf programs would sent
> data into one global perf_event.
> This patch set takes different approach by letting user space
> open independent PERF_COUNT_SW_BPF_OUTPUT events, so that program
> output won't collide.
> 
> Wangnan is working on corresponding perf patches.

Series applied, thanks.
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