From: Ingo Molnar <mingo@kernel.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: linux-kernel@vger.kernel.org,
Alexei Starovoitov <ast@plumgrid.com>,
Brendan Gregg <brendan.d.gregg@gmail.com>,
Daniel Borkmann <daniel@iogearbox.net>,
David Ahern <dsahern@gmail.com>, He Kuang <hekuang@huawei.com>,
Jiri Olsa <jolsa@kernel.org>, Kaixu Xia <xiakaixu@huawei.com>,
Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Namhyung Kim <namhyung@kernel.org>,
Paul Mackerras <paulus@samba.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
pi3orama@163.com, Wang Nan <wangnan0@huawei.com>,
Zefan Li <lizefan@huawei.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: Re: [GIT PULL 0/6] perf/ebpf basic integration
Date: Thu, 29 Oct 2015 13:17:32 +0100 [thread overview]
Message-ID: <20151029121732.GA9047@gmail.com> (raw)
In-Reply-To: <1446117422-3569-1-git-send-email-acme@kernel.org>
* Arnaldo Carvalho de Melo <acme@kernel.org> wrote:
> Hi Ingo,
>
> Please take a look at the changeset comments, I made notes in most of
> them, this seems like a nice cutoff point to allow basic testing, by
> developers, for the very basic integration of perf and ebpf, i.e. we can,
> having a ready built object file, built with clang, be able to use it as a perf
> event, passing it via -e/--event, etc.
>
> Wang has lots more in the queue and I intend to work on them till I get
> all reviewed/tested/merged, i.e. in the immediate future.
>
> What do you think? Fair to get his smaller gulp now? Or do you want to
> get it all the way with the code to get a .c file, build it, etc, that is
> ready, but I haven't reviewed/tested yet?
>
> Ah, this is on top of what I sent to you via perf/core yesterday.
I'm fine with this, as long as this bit:
> More work is about to be reviewed, tested and merged that will allow the whole
> process of going from a .c file to an .o file via clang, etc to be done
> automagically. (Wang Nan)
... is treated as the primary interface. Very few people will use object files, so
we need to integrate the whole life-time workflow, from instrumentation source
code to perf output.
Thanks,
Ingo
next prev parent reply other threads:[~2015-10-29 12:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-29 11:16 [GIT PULL 0/6] perf/ebpf basic integration Arnaldo Carvalho de Melo
2015-10-29 11:16 ` [PATCH 1/6] perf tools: Make perf depend on libbpf Arnaldo Carvalho de Melo
2015-10-29 11:16 ` [PATCH 2/6] perf ebpf: Add the libbpf glue Arnaldo Carvalho de Melo
2015-10-29 11:16 ` [PATCH 3/6] perf tools: Enable passing bpf object file to --event Arnaldo Carvalho de Melo
2015-10-29 11:17 ` [PATCH 4/6] perf tools: Create probe points for BPF programs Arnaldo Carvalho de Melo
2015-10-29 11:17 ` [PATCH 5/6] perf tools: Load eBPF object into kernel Arnaldo Carvalho de Melo
2015-10-29 11:17 ` [PATCH 6/6] perf bpf: Collect perf_evsel in BPF object files Arnaldo Carvalho de Melo
2015-10-29 12:17 ` Ingo Molnar [this message]
2015-10-29 13:10 ` [GIT PULL 0/6] perf/ebpf basic integration Arnaldo Carvalho de Melo
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