Messages in this thread | | | Date | Wed, 23 Sep 2015 10:46:39 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [GIT PULL 00/22] perf tools: filtering events using eBPF programs |
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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
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