Date: Fri, 1 May 2015 13:49:43 +0200
From: Ingo Molnar <mingo@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Alexei Starovoitov <ast@plumgrid.com>, Wang Nan <wangnan0@huawei.com>,
        davem@davemloft.net, acme@kernel.org, mingo@redhat.com,
        masami.hiramatsu.pt@hitachi.com, jolsa@kernel.org, lizefan@kernel.org,
        linux-kernel@vger.kernel.org, pi3orama@163.com, hekuang@huawei.com,
        bgregg@netflix.com
Subject: Re: [RFC PATCH 00/22] perf tools: introduce 'perf bpf' command to
 load eBPF programs.
Message-ID: <20150501114943.GA24094@gmail.com>
References: <1430391165-30267-1-git-send-email-wangnan0@huawei.com>
 <554302F0.3070101@plumgrid.com>
 <20150501110659.GE5029@twins.programming.kicks-ass.net>
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* Peter Zijlstra <peterz@infradead.org> wrote:

> On Thu, Apr 30, 2015 at 09:37:04PM -0700, Alexei Starovoitov wrote:
> > We're also working in parallel on creating a new tracing language
> > that together with llvm backend can be used as a single shared library
> > that can be called from perf or anything else.
> 
> Gurgh, please also keep normal C an option. [...]

Absolutely, I thought there was agreement on that when we started 
merging all these eBPF patches ...

It might be 'simplified C', in that it's just a subset of C, but 
please don't re-do something that works, especially if it's used to 
instrument a kernel that is written in C ...

Thanks,

	Ingo
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