[GIT PULL 00/39] perf tools: filtering events using eBPF programs
From: Wang Nan
Date: Thu Jul 09 2015 - 08:38:44 EST
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
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