From: Arnaldo Carvalho de Melo <acme@redhat.com>
To: Wang Nan <wangnan0@huawei.com>
Cc: linux-kernel@vger.kernel.org, pi3orama@163.com, acme@kernel.org
Subject: Re: [GIT PULL 00/22] perf tools: filtering events using eBPF programs
Date: Wed, 23 Sep 2015 10:46:39 -0300 [thread overview]
Message-ID: <20150923134639.GE5041@redhat.com> (raw)
In-Reply-To: <1443007363-124182-1-git-send-email-wangnan0@huawei.com>
Em Wed, Sep 23, 2015 at 11:22:21AM +0000, Wang Nan escreveu:
> Hi Arnaldo,
>
> I hope you would be satisified with this weeks pull request. In this
> patchset, we totally get rid of dummy events by utilizing Namhyung's newest
> perf probing API.
>
> Patch 1-6 are different from previous patchset. Plase have a look.
>
> Due to some reason I can't access my kernel.org account in my company today,
> so I reuse my github repository. I'll update my kernel.org tree at home.
>
> I'll have a long vacation from Sept. 24. I hope I can discuss with you with
> my private email. However, It seems impossible to modify code and test until
> Oct. 7. If you find some small problem, could you please help me fix them?
Sure thing, I'll continue working on this, we'll get there :-)
> Thank you.
>
> The following changes since commit 5933944f697c15d6f1fb16dc22c02aac9d2ec206:
>
> perf tools: Make perf depend on libbpf (2015-09-22 10:17:01 -0300)
>
> are available in the git repository at:
>
> https://github.com/WangNan0/linux.git tags/perf-ebpf-for-acme-20150923
>
> for you to fetch changes up to 1465cf7b201b8b21c61fa54ffe15094f66e73ab0:
>
> perf probe: Fix module probing with shortname (2015-09-23 10:44:58 +0000)
>
> ----------------------------------------------------------------
> Get rid of dummy events by utilizing new perf probe API.
>
> Signed-off-by: Wang Nan <wangnan0@huawei.com>
>
> ----------------------------------------------------------------
> He Kuang (2):
> perf tools: Add prologue for BPF programs for fetching arguments
> perf record: Support custom vmlinux path
>
> Wang Nan (20):
> perf ebpf: Add the libbpf glue
> perf tools: Enable passing bpf object file to --event
> perf record, bpf: Create probe points for BPF programs
> perf record: Load eBPF object into kernel
> perf tools: Collect perf_evsel in BPF object files
> perf tools: Attach eBPF program to perf event
> perf record: Add clang options for compiling BPF scripts
> perf tools: Compile scriptlets to BPF objects when passing '.c' to --event
> perf test: Enforce LLVM test for BPF test
> perf test: Add 'perf test BPF'
> perf probe: Reset args and nargs for probe_trace_event when failure
> bpf tools: Load a program with different instances using preprocessor
> perf tools: Add BPF_PROLOGUE config options for further patches
> perf tools: Compile dwarf-regs.c if CONFIG_BPF_PROLOGUE is on
> perf tools: Generate prologue for BPF programs
> perf tools: Use same BPF program if arguments are identical
> perf tools: Allow BPF program attach to uprobe events
> perf test: Enforce LLVM test, add kbuild test
> perf test: Test BPF prologue
> perf probe: Fix module probing with shortname
>
> tools/lib/bpf/libbpf.c | 143 +++++-
> tools/lib/bpf/libbpf.h | 22 +
> tools/perf/arch/x86/util/Build | 1 +
> tools/perf/builtin-record.c | 11 +
> tools/perf/config/Makefile | 12 +
> tools/perf/perf.c | 2 +
> tools/perf/tests/Build | 24 +-
> tools/perf/tests/bpf-script-example.c | 48 ++
> tools/perf/tests/bpf-script-test-kbuild.c | 21 +
> tools/perf/tests/bpf-script-test-prologue.c | 35 ++
> tools/perf/tests/bpf.c | 227 ++++++++++
> tools/perf/tests/builtin-test.c | 12 +
> tools/perf/tests/llvm.c | 210 ++++++++-
> tools/perf/tests/llvm.h | 29 ++
> tools/perf/tests/tests.h | 3 +
> tools/perf/util/Build | 2 +
> tools/perf/util/bpf-loader.c | 676 ++++++++++++++++++++++++++++
> tools/perf/util/bpf-loader.h | 95 ++++
> tools/perf/util/bpf-prologue.c | 443 ++++++++++++++++++
> tools/perf/util/bpf-prologue.h | 34 ++
> tools/perf/util/evsel.c | 17 +
> tools/perf/util/evsel.h | 1 +
> tools/perf/util/parse-events.c | 115 +++++
> tools/perf/util/parse-events.h | 9 +
> tools/perf/util/parse-events.l | 6 +
> tools/perf/util/parse-events.y | 29 +-
> tools/perf/util/probe-event.c | 2 +-
> tools/perf/util/probe-finder.c | 4 +
> 28 files changed, 2202 insertions(+), 31 deletions(-)
> create mode 100644 tools/perf/tests/bpf-script-example.c
> create mode 100644 tools/perf/tests/bpf-script-test-kbuild.c
> create mode 100644 tools/perf/tests/bpf-script-test-prologue.c
> create mode 100644 tools/perf/tests/bpf.c
> create mode 100644 tools/perf/tests/llvm.h
> create mode 100644 tools/perf/util/bpf-loader.c
> create mode 100644 tools/perf/util/bpf-loader.h
> create mode 100644 tools/perf/util/bpf-prologue.c
> create mode 100644 tools/perf/util/bpf-prologue.h
> --
> 1.8.3.4
next prev parent reply other threads:[~2015-09-23 13:46 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-23 11:22 Wang Nan
2015-09-23 11:22 ` [PATCH 01/22] perf ebpf: Add the libbpf glue Wang Nan
2015-09-23 11:22 ` [PATCH 02/22] perf tools: Enable passing bpf object file to --event Wang Nan
2015-09-23 11:22 ` [PATCH 03/22] perf record, bpf: Create probe points for BPF programs Wang Nan
2015-09-23 11:22 ` [PATCH 04/22] perf record: Load eBPF object into kernel Wang Nan
2015-09-23 11:22 ` [PATCH 05/22] perf tools: Collect perf_evsel in BPF object files Wang Nan
2015-09-23 11:22 ` [PATCH 06/22] perf tools: Attach eBPF program to perf event Wang Nan
2015-09-23 11:22 ` [PATCH 07/22] perf record: Add clang options for compiling BPF scripts Wang Nan
2015-09-23 11:22 ` [PATCH 08/22] perf tools: Compile scriptlets to BPF objects when passing '.c' to --event Wang Nan
2015-09-23 11:22 ` [PATCH 09/22] perf test: Enforce LLVM test for BPF test Wang Nan
2015-09-23 11:22 ` [PATCH 10/22] perf test: Add 'perf test BPF' Wang Nan
2015-09-23 11:22 ` [PATCH 11/22] perf probe: Reset args and nargs for probe_trace_event when failure Wang Nan
2015-09-23 11:22 ` [PATCH 12/22] bpf tools: Load a program with different instances using preprocessor Wang Nan
2015-09-23 11:22 ` [PATCH 13/22] perf tools: Add BPF_PROLOGUE config options for further patches Wang Nan
2015-09-23 11:22 ` [PATCH 14/22] perf tools: Compile dwarf-regs.c if CONFIG_BPF_PROLOGUE is on Wang Nan
2015-09-23 11:22 ` [PATCH 15/22] perf tools: Add prologue for BPF programs for fetching arguments Wang Nan
2015-09-23 11:22 ` [PATCH 16/22] perf tools: Generate prologue for BPF programs Wang Nan
2015-09-23 11:22 ` [PATCH 17/22] perf tools: Use same BPF program if arguments are identical Wang Nan
2015-09-23 11:22 ` [PATCH 18/22] perf record: Support custom vmlinux path Wang Nan
2015-09-23 11:22 ` [PATCH 19/22] perf tools: Allow BPF program attach to uprobe events Wang Nan
2015-09-23 11:22 ` [PATCH 20/22] perf test: Enforce LLVM test, add kbuild test Wang Nan
2015-09-23 11:22 ` [PATCH 21/22] perf test: Test BPF prologue Wang Nan
2015-09-23 11:22 ` [PATCH 22/22] perf probe: Fix module probing with shortname Wang Nan
2015-09-23 13:46 ` Arnaldo Carvalho de Melo [this message]
2015-10-08 8:29 [GIT PULL 00/22] perf tools: filtering events using eBPF programs Wang Nan
2015-10-08 13:45 ` Arnaldo Carvalho de Melo
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