Re: perf test LLVM was: Re: [GIT PULL 00/39] perf tools: filtering events using eBPF programs

From	Arnaldo Carvalho de Melo <acme@kernel.org>
Newsgroups	linux.kernel
Subject	Re: perf test LLVM was: Re: [GIT PULL 00/39] perf tools: filtering events using eBPF programs
Date	2015-07-15 13:30 +0200
Message-ID	<pMt2W-62p-5@gated-at.bofh.it> (permalink)
References	<pKjhn-9T-3@gated-at.bofh.it> <pMatk-4pB-35@gated-at.bofh.it> <pMsJz-5F0-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Em Wed, Jul 15, 2015 at 06:49:40PM +0800, Wangnan (F) escreveu:
> On 2015/7/14 23:36, Arnaldo Carvalho de Melo wrote:
> >I have the trees cloned and plan to follow these instructions to have this test
> >passing, to then move on to the next patches, but one request, please change
> >the above to produce:

> >38: Test LLVM searching and compiling                        :(no clang) Ok	run 'perf test -v LLVM' for instructions on having a clang environment

> The output format you desire is hard to implement, because 'Ok' is printed
> by the parent process. We have to find a way to allow child process to pass
> 'run 'perf test -v LLVM' for ...' to parent, then parent can print it
> after 'Ok'.
 
> I change this test as follow:

From a quick look: excellent, thanks for improving this, I downloaded
llvm and clang, built it, and the test passes, will apply this new patch
and continue from there,

- Arnaldo
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[GIT PULL 00/39] perf tools: filtering events using eBPF programs Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:40 +0200
  [PATCH 36/39] perf tools: Use same BPF program if arguments are identical Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
  [PATCH 25/39] perf tools: Attach eBPF program to perf event Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
  [PATCH 27/39] perf record: Add clang options for compiling BPF scripts Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
  [PATCH 34/39] perf tools: Add prologue for BPF programs for fetching arguments Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
  [PATCH 31/39] perf tools: Move linux/filter.h to tools/include Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
  [PATCH 26/39] perf tools: Suppress probing messages when probing by BPF loading Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
  [PATCH 28/39] bpf tools: Load a program with different instances using preprocessor Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
    Re: [PATCH 28/39] bpf tools: Load a program with different instances  using preprocessor "Wangnan (F)" <wangnan0@huawei.com> - 2015-07-13 08:00 +0200
  [PATCH 13/39] perf tools: Call clang to compile C source to object code Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
  [PATCH 32/39] perf tools: Add BPF_PROLOGUE config options for further patches Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
  [PATCH 06/39] bpf tools: Create eBPF maps defined in an object file Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
    Re: [PATCH 06/39] bpf tools: Create eBPF maps defined in an object  file "Wangnan (F)" <wangnan0@huawei.com> - 2015-07-14 06:10 +0200
  [PATCH 35/39] perf tools: Generate prologue for BPF programs Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
  [PATCH 30/39] perf probe: Reset args and nargs for probe_trace_event when failure Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
  [PATCH 18/39] perf record: Enable passing bpf object file to --event Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
  [PATCH 14/39] perf tools: Auto detecting kernel build directory Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
  [PATCH 23/39] perf record: Load all eBPF object into kernel Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
  [PATCH 24/39] perf tools: Add bpf_fd field to evsel and config it Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
  [PATCH 22/39] perf record: Probe at kprobe points Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
  [PATCH 15/39] perf tools: Auto detecting kernel include options Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
  [PATCH 29/39] perf tools: Fix probe-event.h include Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
  [PATCH 02/39] bpf tools: Collect eBPF programs from their own sections Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
    Re: [PATCH 02/39] bpf tools: Collect eBPF programs from their own  sections "Wangnan (F)" <wangnan0@huawei.com> - 2015-07-10 05:20 +0200
      Re: [PATCH 02/39] bpf tools: Collect eBPF programs from their own  sections "Wangnan (F)" <wangnan0@huawei.com> - 2015-07-14 06:10 +0200
  [PATCH 21/39] perf probe: Attach trace_probe_event with perf_probe_event Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
  [PATCH 09/39] bpf tools: Load eBPF programs in object files into kernel Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
  [PATCH 37/39] perf record: Support custom vmlinux path Wang Nan <wangnan0@huawei.com> - 2015-07-09 14:50 +0200
  perf test LLVM was: Re: [GIT PULL 00/39] perf tools: filtering  events using eBPF programs Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-07-14 17:40 +0200
    Re: perf test LLVM was: Re: [GIT PULL 00/39] perf tools: filtering  events using eBPF programs "Wangnan (F)" <wangnan0@huawei.com> - 2015-07-15 13:10 +0200
      Re: perf test LLVM was: Re: [GIT PULL 00/39] perf tools: filtering  events using eBPF programs Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-07-15 13:30 +0200

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