[GIT PULL 00/39] perf tools: filtering events using eBPF programs

[Wang Nan <wangnan0@huawei.com>]

Hi Arnaldo,

The following changes since commit 3381a29cbec5447086c0f726ee9a88c02e60becc:

  bpf tools: Collect map definitions from 'maps' section (2015-07-07 13:41:45 -0300)

are available in the git repository at:

  https://github.com/WangNan0/linux.git perf/ebpf-for-acme

for you to fetch changes up to 072b826c5dc6b2031f4f21c59c57eb6ca1dfa7c0:

  perf tools: Support attach BPF program on uprobe events (2015-07-09 12:20:13 +0000)

----------------------------------------------------------------

This pull request is based on commit 3381a29cb on your perf/ebpf branch
as your suggestion. Following changes are made:

 1. Commit messages improvements, especially 'bpf tools: Collect symbol
    table from SHT_SYMTAB section', which you have collected. Please
    change them.

 2. Update interface of bpf_program accessors as your suggestion.

He Kuang (3):
      perf tools: Move linux/filter.h to tools/include
      perf tools: Introduce arch_get_reg_info() for x86
      perf record: Support custom vmlinux path

Wang Nan (36):
      bpf tools: Collect symbol table from SHT_SYMTAB section
      bpf tools: Collect eBPF programs from their own sections
      bpf tools: Collect relocation sections from SHT_REL sections
      bpf tools: Record map accessing instructions for each program
      bpf tools: Add bpf.c/h for common bpf operations
      bpf tools: Create eBPF maps defined in an object file
      bpf tools: Relocate eBPF programs
      bpf tools: Introduce bpf_load_program() to bpf.c
      bpf tools: Load eBPF programs in object files into kernel
      bpf tools: Introduce accessors for struct bpf_program
      bpf tools: Link all bpf objects onto a list
      perf tools: Introduce llvm config options
      perf tools: Call clang to compile C source to object code
      perf tools: Auto detecting kernel build directory
      perf tools: Auto detecting kernel include options
      perf tests: Add LLVM test for eBPF on-the-fly compiling
      perf tools: Make perf depend on libbpf
      perf record: Enable passing bpf object file to --event
      perf record: Compile scriptlets if pass '.c' to --event
      perf tools: Parse probe points of eBPF programs during preparation
      perf probe: Attach trace_probe_event with perf_probe_event
      perf record: Probe at kprobe points
      perf record: Load all eBPF object into kernel
      perf tools: Add bpf_fd field to evsel and config it
      perf tools: Attach eBPF program to perf event
      perf tools: Suppress probing messages when probing by BPF loading
      perf record: Add clang options for compiling BPF scripts
      bpf tools: Load a program with different instances using preprocessor
      perf tools: Fix probe-event.h include
      perf probe: Reset args and nargs for probe_trace_event when failure
      perf tools: Add BPF_PROLOGUE config options for further patches
      perf tools: Add prologue for BPF programs for fetching arguments
      perf tools: Generate prologue for BPF programs
      perf tools: Use same BPF program if arguments are identical
      perf probe: Init symbol as kprobe if any event is kprobe
      perf tools: Support attach BPF program on uprobe events

 tools/build/Makefile.feature          |   6 +-
 tools/include/linux/filter.h          | 237 +++++++++++
 tools/lib/bpf/Build                   |   2 +-
 tools/lib/bpf/bpf.c                   |  85 ++++
 tools/lib/bpf/bpf.h                   |  23 ++
 tools/lib/bpf/libbpf.c                | 745 ++++++++++++++++++++++++++++++++++
 tools/lib/bpf/libbpf.h                |  70 ++++
 tools/perf/MANIFEST                   |   4 +
 tools/perf/Makefile.perf              |  19 +-
 tools/perf/arch/x86/Makefile          |   1 +
 tools/perf/arch/x86/util/Build        |   2 +
 tools/perf/arch/x86/util/dwarf-regs.c | 104 +++--
 tools/perf/builtin-probe.c            |   4 +-
 tools/perf/builtin-record.c           |  47 ++-
 tools/perf/config/Makefile            |  31 +-
 tools/perf/tests/Build                |   1 +
 tools/perf/tests/builtin-test.c       |   4 +
 tools/perf/tests/llvm.c               |  85 ++++
 tools/perf/tests/make                 |   4 +-
 tools/perf/tests/tests.h              |   1 +
 tools/perf/util/Build                 |   3 +
 tools/perf/util/bpf-loader.c          | 631 ++++++++++++++++++++++++++++
 tools/perf/util/bpf-loader.h          |  46 +++
 tools/perf/util/bpf-prologue.c        | 442 ++++++++++++++++++++
 tools/perf/util/bpf-prologue.h        |  34 ++
 tools/perf/util/config.c              |   4 +
 tools/perf/util/debug.c               |   5 +
 tools/perf/util/debug.h               |   1 +
 tools/perf/util/evlist.c              |  41 ++
 tools/perf/util/evlist.h              |   1 +
 tools/perf/util/evsel.c               |  17 +
 tools/perf/util/evsel.h               |   1 +
 tools/perf/util/include/dwarf-regs.h  |   7 +
 tools/perf/util/llvm-utils.c          | 373 +++++++++++++++++
 tools/perf/util/llvm-utils.h          |  39 ++
 tools/perf/util/parse-events.c        |  16 +
 tools/perf/util/parse-events.h        |   2 +
 tools/perf/util/parse-events.l        |   6 +
 tools/perf/util/parse-events.y        |  29 +-
 tools/perf/util/probe-event.c         |  84 ++--
 tools/perf/util/probe-event.h         |   8 +-
 tools/perf/util/probe-finder.c        |   4 +
 42 files changed, 3192 insertions(+), 77 deletions(-)
 create mode 100644 tools/include/linux/filter.h
 create mode 100644 tools/lib/bpf/bpf.c
 create mode 100644 tools/lib/bpf/bpf.h
 create mode 100644 tools/perf/tests/llvm.c
 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
 create mode 100644 tools/perf/util/llvm-utils.c
 create mode 100644 tools/perf/util/llvm-utils.h
-- 
1.8.3.4