From: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>
To: "Wangnan (F)" <wangnan0@huawei.com>
Cc: He Kuang <hekuang@huawei.com>, Li Zefan <lizefan@huawei.com>,
ast@plumgrid.com, pi3orama@163.com, xiakaixu@huawei.com,
linux-kernel@vger.kernel.org
Subject: Re: perf test LLVM was: Re: [GIT PULL 00/39] perf tools: filtering events using eBPF programs
Date: Tue, 21 Jul 2015 08:41:51 -0300 [thread overview]
Message-ID: <20150721114151.GF5368@kernel.org> (raw)
In-Reply-To: <55AE2858.6040409@huawei.com>
Em Tue, Jul 21, 2015 at 07:09:12PM +0800, Wangnan (F) escreveu:
> Hi Arnaldo,
>
> Have you recovered from your cold?
Much better now, thanks.
> Could you please repick patch "perf tools: Introduce llvm config options"
> from my github:
>
> https://github.com/WangNan0/linux/commit/f9fb25c518c7e52a47e98c36ce49f51051bbccf4
>
> I made a small change that introduce '-D__KERNEL__' in front of
> $CLANG_OPTIONS,
> so samples in 'samples/ebpf' should be compilable with perf now.
>
> I'll repost a patch by replying the original one also.
Ok, saw that 12/39 repost, will pick it
> The following changes since commit 101ef9b4f5c70dbfffa0186102c1014bd81a4ec7:
>
> bpf tools: Link all bpf objects onto a list (2015-07-13 18:48:17 -0300)
>
> are available in the git repository at:
>
> https://github.com/WangNan0/linux.git ebpf
>
> for you to fetch changes up to 51f169df1d11ea842a808d751f9c620371c55e74:
>
> bpf: Introduce function for outputing data to perf event (2015-07-21
> 10:55:48 +0000)
>
> ----------------------------------------------------------------
>
> Thank you.
>
>
> On 2015/7/17 11:48, Arnaldo Carvalho de Melo wrote:
> >
> >On Jul 16, 2015 11:34 PM, "Wangnan (F)" <wangnan0@huawei.com
> ><mailto:wangnan0@huawei.com>> wrote:
> >> On 2015/7/15 19:20, Arnaldo Carvalho de Melo wrote:
> >>>
> >>> 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
> >>
> >>
> >> Hi Arnaldo,
> >>
> >> What's the reviewing going on?
> >
> >Was sidetracked with some other stuff and was a bit slow due to a cold,
> >hope to get back to work on ebpf+perf in 8 hours ir so.
> >
> >Thanks,
> >
> >Arnaldo
> >
> >> I collected some more patches on my git tree to avoid losting, and will
> >collect more on it.
> >> I'll keep this patchset at the bottom so I think you shoud not be
> >affected.
> >>
> >> Here is the new branch:
> >>
> >> https://github.com/WangNan0/linux.git ebpf
> >>
> >> Do you want me to keep the original perf/ebpf-for-acme branch?
> >>
> >> Thank you.
> >>
> >>
> >
>
next prev parent reply other threads:[~2015-07-21 11:42 UTC|newest]
Thread overview: 78+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-09 12:35 [GIT PULL 00/39] perf tools: filtering events using eBPF programs Wang Nan
2015-07-09 12:35 ` [PATCH 01/39] bpf tools: Collect symbol table from SHT_SYMTAB section Wang Nan
2015-07-09 12:35 ` [PATCH 02/39] bpf tools: Collect eBPF programs from their own sections Wang Nan
2015-07-09 15:58 ` Arnaldo Carvalho de Melo
2015-07-10 3:07 ` Wangnan (F)
2015-07-13 19:51 ` Arnaldo Carvalho de Melo
2015-07-14 3:58 ` Wangnan (F)
2015-07-09 12:35 ` [PATCH 03/39] bpf tools: Collect relocation sections from SHT_REL sections Wang Nan
2015-07-09 12:35 ` [PATCH 04/39] bpf tools: Record map accessing instructions for each program Wang Nan
2015-07-09 12:35 ` [PATCH 05/39] bpf tools: Add bpf.c/h for common bpf operations Wang Nan
2015-07-09 12:35 ` [PATCH 06/39] bpf tools: Create eBPF maps defined in an object file Wang Nan
2015-07-13 19:54 ` Arnaldo Carvalho de Melo
2015-07-14 3:59 ` Wangnan (F)
2015-07-09 12:35 ` [PATCH 07/39] bpf tools: Relocate eBPF programs Wang Nan
2015-07-09 12:35 ` [PATCH 08/39] bpf tools: Introduce bpf_load_program() to bpf.c Wang Nan
2015-07-09 12:35 ` [PATCH 09/39] bpf tools: Load eBPF programs in object files into kernel Wang Nan
2015-07-09 12:35 ` [PATCH 10/39] bpf tools: Introduce accessors for struct bpf_program Wang Nan
2015-07-09 12:35 ` [PATCH 11/39] bpf tools: Link all bpf objects onto a list Wang Nan
2015-07-09 12:35 ` [PATCH 12/39] perf tools: Introduce llvm config options Wang Nan
2015-07-21 11:13 ` [PATCH 12/39 update] " Wang Nan
2015-08-08 8:16 ` [tip:perf/core] " tip-bot for Wang Nan
2015-07-09 12:35 ` [PATCH 13/39] perf tools: Call clang to compile C source to object code Wang Nan
2015-07-09 12:35 ` [PATCH 14/39] perf tools: Auto detecting kernel build directory Wang Nan
2015-07-13 21:46 ` Arnaldo Carvalho de Melo
2015-07-14 6:56 ` Wangnan (F)
2015-07-14 7:16 ` Wangnan (F)
2015-07-09 12:35 ` [PATCH 15/39] perf tools: Auto detecting kernel include options Wang Nan
2015-08-08 8:17 ` [tip:perf/core] " tip-bot for Wang Nan
2015-07-09 12:35 ` [PATCH 16/39] perf tests: Add LLVM test for eBPF on-the-fly compiling Wang Nan
2015-07-15 10:54 ` [PATCH updated " Wang Nan
2015-07-22 4:46 ` [PATCH 16/39 RESEND] " Wang Nan
2015-07-09 12:35 ` [PATCH 17/39] perf tools: Make perf depend on libbpf Wang Nan
2015-07-09 12:35 ` [PATCH 18/39] perf record: Enable passing bpf object file to --event Wang Nan
2015-07-09 12:35 ` [PATCH 19/39] perf record: Compile scriptlets if pass '.c' " Wang Nan
2015-07-09 12:35 ` [PATCH 20/39] perf tools: Parse probe points of eBPF programs during preparation Wang Nan
2015-07-09 12:35 ` [PATCH 21/39] perf probe: Attach trace_probe_event with perf_probe_event Wang Nan
2015-07-09 12:35 ` [PATCH 22/39] perf record: Probe at kprobe points Wang Nan
2015-07-09 12:35 ` [PATCH 23/39] perf record: Load all eBPF object into kernel Wang Nan
2015-07-09 12:35 ` [PATCH 24/39] perf tools: Add bpf_fd field to evsel and config it Wang Nan
2015-07-09 12:35 ` [PATCH 25/39] perf tools: Attach eBPF program to perf event Wang Nan
2015-07-09 12:35 ` [PATCH 26/39] perf tools: Suppress probing messages when probing by BPF loading Wang Nan
2015-07-09 12:35 ` [PATCH 27/39] perf record: Add clang options for compiling BPF scripts Wang Nan
2015-07-09 12:35 ` [PATCH 28/39] bpf tools: Load a program with different instances using preprocessor Wang Nan
2015-07-13 5:44 ` Wangnan (F)
2015-07-09 12:35 ` [PATCH 29/39] perf tools: Fix probe-event.h include Wang Nan
2015-07-09 12:35 ` [PATCH 30/39] perf probe: Reset args and nargs for probe_trace_event when failure Wang Nan
2015-07-09 12:35 ` [PATCH 31/39] perf tools: Move linux/filter.h to tools/include Wang Nan
2015-07-09 12:35 ` [PATCH 32/39] perf tools: Add BPF_PROLOGUE config options for further patches Wang Nan
2015-07-09 12:35 ` [PATCH 33/39] perf tools: Introduce arch_get_reg_info() for x86 Wang Nan
2015-07-09 12:35 ` [PATCH 34/39] perf tools: Add prologue for BPF programs for fetching arguments Wang Nan
2015-07-09 12:35 ` [PATCH 35/39] perf tools: Generate prologue for BPF programs Wang Nan
2015-07-09 12:35 ` [PATCH 36/39] perf tools: Use same BPF program if arguments are identical Wang Nan
2015-07-09 12:35 ` [PATCH 37/39] perf record: Support custom vmlinux path Wang Nan
2015-07-09 12:35 ` [PATCH 38/39] perf probe: Init symbol as kprobe if any event is kprobe Wang Nan
2015-07-09 12:35 ` [PATCH 39/39] perf tools: Support attach BPF program on uprobe events Wang Nan
2015-07-14 15:36 ` perf test LLVM was: Re: [GIT PULL 00/39] perf tools: filtering events using eBPF programs Arnaldo Carvalho de Melo
2015-07-15 10:49 ` Wangnan (F)
2015-07-15 11:20 ` Arnaldo Carvalho de Melo
2015-07-17 2:34 ` Wangnan (F)
[not found] ` <CA+JHD93=ZMFP0gB1NqTXGBjTfSyYC-53Uj7r11gQJnKtQRKcDg@mail.gmail.com>
2015-07-21 11:09 ` Wangnan (F)
2015-07-21 11:41 ` Arnaldo Carvalho de Melo [this message]
2015-07-22 4:40 ` Wangnan (F)
2015-07-31 15:35 ` perf eBPF patch ordering. was: " Arnaldo Carvalho de Melo
2015-07-31 20:31 ` Arnaldo Carvalho de Melo
2015-08-03 2:37 ` Wangnan (F)
2015-08-03 15:07 ` Arnaldo Carvalho de Melo
2015-08-03 15:19 ` Arnaldo Carvalho de Melo
2015-08-03 15:53 ` pi3orama
2015-08-03 16:11 ` Arnaldo Carvalho de Melo
2015-08-03 19:49 ` Arnaldo Carvalho de Melo
2015-08-04 5:28 ` Wangnan (F)
2015-08-04 10:39 ` Wangnan (F)
2015-08-04 15:55 ` Arnaldo Carvalho de Melo
2015-08-04 16:11 ` Arnaldo Carvalho de Melo
2015-08-04 16:13 ` pi3orama
2015-08-06 1:44 ` Wangnan (F)
2015-08-06 14:46 ` Arnaldo Carvalho de Melo
2015-08-06 15:58 ` Arnaldo Carvalho de Melo
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