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.
Date: Fri, 1 May 2015 13:49:43 +0200 [thread overview]
Message-ID: <20150501114943.GA24094@gmail.com> (raw)
In-Reply-To: <20150501110659.GE5029@twins.programming.kicks-ass.net>
* 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
next prev parent reply other threads:[~2015-05-01 11:49 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-30 10:52 [RFC PATCH 00/22] perf tools: introduce 'perf bpf' command to load eBPF programs Wang Nan
2015-04-30 10:52 ` [RFC PATCH 01/22] perf: probe: avoid segfault if passed with '' Wang Nan
2015-05-05 14:09 ` Masami Hiramatsu
2015-05-05 15:26 ` Arnaldo Carvalho de Melo
2015-05-05 16:33 ` Masami Hiramatsu
2015-04-30 10:52 ` [RFC PATCH 02/22] perf: bpf: prepare: add __aligned_u64 to types.h Wang Nan
2015-04-30 10:52 ` [RFC PATCH 03/22] perf: add bpf common operations Wang Nan
2015-04-30 10:52 ` [RFC PATCH 04/22] perf tools: Add new 'perf bpf' command Wang Nan
2015-05-11 6:28 ` Namhyung Kim
2015-04-30 10:52 ` [RFC PATCH 05/22] perf bpf: open eBPF object file and do basic validation Wang Nan
2015-04-30 10:52 ` [RFC PATCH 06/22] perf bpf: check swap according to EHDR Wang Nan
2015-04-30 10:52 ` [RFC PATCH 07/22] perf bpf: iterater over elf sections to collect information Wang Nan
2015-04-30 10:52 ` [RFC PATCH 08/22] perf bpf: collect version and license from ELF Wang Nan
2015-04-30 10:52 ` [RFC PATCH 09/22] perf bpf: collect map definitions Wang Nan
2015-05-11 6:32 ` Namhyung Kim
2015-04-30 10:52 ` [RFC PATCH 10/22] perf bpf: collect config section in object Wang Nan
2015-04-30 10:52 ` [RFC PATCH 11/22] perf bpf: collect symbol table in object files Wang Nan
2015-04-30 10:52 ` [RFC PATCH 12/22] perf bpf: collect bpf programs from " Wang Nan
2015-04-30 10:52 ` [RFC PATCH 13/22] perf bpf: collects relocation sections from object file Wang Nan
2015-04-30 10:52 ` [RFC PATCH 14/22] perf bpf: config eBPF programs based on their names Wang Nan
2015-04-30 10:52 ` [RFC PATCH 15/22] perf bpf: config eBPF programs using config section Wang Nan
2015-04-30 10:52 ` [RFC PATCH 16/22] perf bpf: create maps needed by object file Wang Nan
2015-04-30 10:52 ` [RFC PATCH 17/22] perf bpf: relocation programs Wang Nan
2015-04-30 10:52 ` [RFC PATCH 18/22] perf bpf: load eBPF programs into kernel Wang Nan
2015-04-30 10:52 ` [RFC PATCH 19/22] perf bpf: dump eBPF program before loading Wang Nan
2015-04-30 10:52 ` [RFC PATCH 20/22] perf bpf: clean elf memory after loading Wang Nan
2015-04-30 10:52 ` [RFC PATCH 21/22] perf bpf: probe at kprobe points Wang Nan
2015-05-05 16:34 ` Masami Hiramatsu
2015-05-06 2:36 ` Wang Nan
2015-04-30 10:52 ` [RFC PATCH 22/22] perf bpf: attaches eBPF program to perf fd Wang Nan
2015-05-01 4:37 ` [RFC PATCH 00/22] perf tools: introduce 'perf bpf' command to load eBPF programs Alexei Starovoitov
2015-05-01 11:06 ` Peter Zijlstra
2015-05-01 11:49 ` Ingo Molnar [this message]
2015-05-01 16:56 ` Alexei Starovoitov
2015-05-01 17:06 ` Ingo Molnar
2015-05-05 15:39 ` Arnaldo Carvalho de Melo
2015-05-02 7:19 ` Wang Nan
2015-05-05 3:02 ` Alexei Starovoitov
2015-05-05 4:41 ` Wang Nan
2015-05-05 5:49 ` Alexei Starovoitov
2015-05-05 6:14 ` Wang Nan
2015-05-06 4:46 ` Wang Nan
2015-05-06 4:56 ` Alexei Starovoitov
2015-05-06 5:00 ` Wang Nan
2015-05-01 7:16 ` Ingo Molnar
2015-05-05 21:52 ` Brendan Gregg
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