linux-kernel - [PATCH 00/12] perf tools: bpf: Improve BPF program ability

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Date:	Fri, 13 Nov 2015 12:29:09 +0000
From:	Wang Nan <wangnan0@...wei.com>
To:	<acme@...nel.org>, <masami.hiramatsu.pt@...achi.com>,
	<ast@...nel.org>
CC:	<lizefan@...wei.com>, <pi3orama@....com>,
	<linux-kernel@...r.kernel.org>, Wang Nan <wangnan0@...wei.com>
Subject: [PATCH 00/12] perf tools: bpf: Improve BPF program ability

This patchset is combined by 3 parts:

 Part 1: Bugfix (1/12 - 2/12).

 Part 2: Improve BPF configuration syntax, allow BPF program set
         probing options originally belong to 'perf probe'
	 (3/12 - 5/12)

 Part 3: Allow BPF program read kernel data using variable names
         and do structure dereferencing automatically.
         (6/12 - 12/12)

Although not obvious, the order is need to be kept if one want to
try the testcase shown in 12/12's commit message. Otherwise he/she
should find another example, and deal with inlining problems and bugs
in perf probe.

Compare with previous patches I posted before, the main difference in
this patchset is improving commit messages and utilizing new testing
and error reporting code.

He Kuang (1):
  perf tools: Add prologue for BPF programs for fetching arguments

Masami Hiramatsu (1):
  perf probe: Fix memory leaking on faiulre by clearing all
    probe_trace_events

Wang Nan (10):
  perf probe: Clear probe_trace_event when add_probe_trace_event() fails
  perf tools: Allow BPF program attach to uprobe events
  perf tools: Allow BPF program attach to modules
  perf tools: Allow BPF program config probing options
  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 test: Test BPF prologue
  perf tools: Use same BPF program if arguments are identical

 tools/lib/bpf/libbpf.c                      | 145 ++++++++-
 tools/lib/bpf/libbpf.h                      |  64 ++++
 tools/perf/arch/x86/util/Build              |   1 +
 tools/perf/config/Makefile                  |  12 +
 tools/perf/tests/Build                      |   9 +-
 tools/perf/tests/bpf-script-test-prologue.c |  35 +++
 tools/perf/tests/bpf.c                      |  34 +++
 tools/perf/tests/llvm.c                     |   4 +
 tools/perf/tests/llvm.h                     |   2 +
 tools/perf/util/Build                       |   1 +
 tools/perf/util/bpf-loader.c                | 429 +++++++++++++++++++++++++-
 tools/perf/util/bpf-loader.h                |   4 +
 tools/perf/util/bpf-prologue.c              | 455 ++++++++++++++++++++++++++++
 tools/perf/util/bpf-prologue.h              |  34 +++
 tools/perf/util/config.c                    |   9 +-
 tools/perf/util/probe-finder.c              |  24 +-
 tools/perf/util/util.c                      |  18 ++
 tools/perf/util/util.h                      |   2 +
 18 files changed, 1254 insertions(+), 28 deletions(-)
 create mode 100644 tools/perf/tests/bpf-script-test-prologue.c
 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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