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Message-Id: <cover.1450193761.git.jpoimboe@redhat.com>
Date:	Tue, 15 Dec 2015 09:39:31 -0600
From:	Josh Poimboeuf <jpoimboe@...hat.com>
To:	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>
Subject: [PATCH v4 0/9] perf tools: Move perf subcommand framework to a library

Ingo suggested that I factor out the perf subcommand functionality
(originally copied from git) into tools/lib so that it can be used by
stacktool[*] and possibly others.

All the subcommand option handling files have been moved into a new
library named libsubcmd.a, including parse-options.c, run-command.c,
exec_cmd.c, help.c, usage.c, and pager.c.

Patch 1 is a cleanup I discovered in the process of making the patch
set.  It's completely separate from the rest of the patches and can be
merged independently.

Patches 2-7 are some cleanups and splitting up of the code related to
the creation of the new library.

Patch 8 does the actual moving of the files and creation of the new
libsubcmd.a library in tools/lib/subcmd.

Patch 9 updates the names of the ifdef include guards for the moved .h
files.

Based on acme/perf/core.

These patches can also be found in the 'perf-subcmd-v4' branch in the
following repo:

  https://github.com/jpoimboe/linux


[*] https://lkml.kernel.org/r/cover.1445443144.git.jpoimboe@redhat.com

v4:
- Rebase onto latest acme/perf/core
- Reuse FILES variable instead of creating OUTPUT_FILES in feature
  Makefile
- Make changelogs more verbose
- Move strlcpy() to tools/lib/string.c
- Create shared subcmd_config struct in subcmd-config.c

v3:
- Remove dependencies on util.h, cache.h, abspath, ctype, strbuf, term,
  usage, wrapper
- Move to a new 'libsubcmd' library in tools/lib/subcmd
- Rebase onto Namhyung's patches which remove the browser dependency
  from parse-options.c
- Get rid of the util_cfg struct in favor of file-specific init
  functions
- Split up the patches better
- Document the fact that parse_options*() can exit
- Convert parse-options.c internal functions to static
- Rename exec_cmd.* to exec-cmd.*
- Add new astrcat() and astrcatf() functions to replace strbuf
- Add some more fixes related to 'make O=' and 'make clean' (though
  a 'make clean' is no longer required and these patches are now
  unrelated to libsubcmd)

v2:
- Fix 'make clean' to remove tests/llvm-src-*.c and other leftover
  files
- Fix description for second-to-last patch

Josh Poimboeuf (9):
  tools build: Fix feature Makefile issues with 'O='
  perf tools: Move strlcpy() from perf to tools/lib/string.c
  perf: Document the fact that parse_options*() may exit
  perf: Provide subcmd configuration at runtime
  perf: Remove subcmd dependencies on strbuf
  perf: Remove 'perf' from subcmd function and variable names
  perf: Finalize subcmd independence
  perf subcmd: Create subcmd library
  tools subcmd: Rename subcmd header include guards

 tools/build/Makefile.feature                    |   2 +-
 tools/build/feature/Makefile                    |  93 +++++------
 tools/include/linux/string.h                    |   4 +
 tools/lib/string.c                              |  27 +++
 tools/lib/subcmd/Build                          |   7 +
 tools/lib/subcmd/Makefile                       |  48 ++++++
 tools/lib/subcmd/exec-cmd.c                     | 209 ++++++++++++++++++++++++
 tools/lib/subcmd/exec-cmd.h                     |  16 ++
 tools/{perf/util => lib/subcmd}/help.c          |  63 +++++--
 tools/{perf/util => lib/subcmd}/help.h          |  10 +-
 tools/{perf/util => lib/subcmd}/pager.c         |  15 +-
 tools/lib/subcmd/pager.h                        |   9 +
 tools/{perf/util => lib/subcmd}/parse-options.c | 116 +++++++------
 tools/{perf/util => lib/subcmd}/parse-options.h |  12 +-
 tools/{perf/util => lib/subcmd}/run-command.c   |  24 ++-
 tools/{perf/util => lib/subcmd}/run-command.h   |  12 +-
 tools/{perf/util => lib/subcmd}/sigchain.c      |   3 +-
 tools/{perf/util => lib/subcmd}/sigchain.h      |   6 +-
 tools/lib/subcmd/subcmd-config.c                |  11 ++
 tools/lib/subcmd/subcmd-config.h                |  14 ++
 tools/lib/subcmd/subcmd-util.h                  |  91 +++++++++++
 tools/perf/Build                                |   5 +-
 tools/perf/MANIFEST                             |   1 +
 tools/perf/Makefile.perf                        |  20 ++-
 tools/perf/arch/x86/util/intel-pt.c             |   2 +-
 tools/perf/bench/futex-hash.c                   |   2 +-
 tools/perf/bench/futex-lock-pi.c                |   2 +-
 tools/perf/bench/futex-requeue.c                |   2 +-
 tools/perf/bench/futex-wake-parallel.c          |   2 +-
 tools/perf/bench/futex-wake.c                   |   2 +-
 tools/perf/bench/mem-functions.c                |   2 +-
 tools/perf/bench/numa.c                         |   2 +-
 tools/perf/bench/sched-messaging.c              |   2 +-
 tools/perf/bench/sched-pipe.c                   |   2 +-
 tools/perf/builtin-annotate.c                   |   2 +-
 tools/perf/builtin-bench.c                      |   2 +-
 tools/perf/builtin-buildid-cache.c              |   2 +-
 tools/perf/builtin-buildid-list.c               |   2 +-
 tools/perf/builtin-config.c                     |   2 +-
 tools/perf/builtin-data.c                       |   2 +-
 tools/perf/builtin-evlist.c                     |   2 +-
 tools/perf/builtin-help.c                       |  10 +-
 tools/perf/builtin-inject.c                     |   2 +-
 tools/perf/builtin-kmem.c                       |   2 +-
 tools/perf/builtin-kvm.c                        |   2 +-
 tools/perf/builtin-list.c                       |   2 +-
 tools/perf/builtin-lock.c                       |   2 +-
 tools/perf/builtin-mem.c                        |   2 +-
 tools/perf/builtin-probe.c                      |   2 +-
 tools/perf/builtin-record.c                     |   2 +-
 tools/perf/builtin-report.c                     |   2 +-
 tools/perf/builtin-sched.c                      |   2 +-
 tools/perf/builtin-script.c                     |  12 +-
 tools/perf/builtin-stat.c                       |   2 +-
 tools/perf/builtin-timechart.c                  |   2 +-
 tools/perf/builtin-top.c                        |   2 +-
 tools/perf/builtin-trace.c                      |   4 +-
 tools/perf/perf.c                               |  18 +-
 tools/perf/tests/attr.c                         |   4 +-
 tools/perf/tests/builtin-test.c                 |   2 +-
 tools/perf/util/Build                           |   7 -
 tools/perf/util/auxtrace.c                      |   2 +-
 tools/perf/util/cache.h                         |  10 +-
 tools/perf/util/cgroup.c                        |   2 +-
 tools/perf/util/config.c                        |   2 +-
 tools/perf/util/evlist.c                        |   2 +-
 tools/perf/util/exec_cmd.c                      | 149 -----------------
 tools/perf/util/exec_cmd.h                      |  13 --
 tools/perf/util/help-unknown-cmd.c              |   2 +-
 tools/perf/util/pager.h                         |   7 -
 tools/perf/util/parse-branch-options.c          |   2 +-
 tools/perf/util/parse-events.c                  |   4 +-
 tools/perf/util/parse-regs-options.c            |   2 +-
 tools/perf/util/path.c                          |  18 --
 tools/perf/util/sort.h                          |   2 +-
 tools/perf/util/util.h                          |  14 --
 76 files changed, 749 insertions(+), 417 deletions(-)
 create mode 100644 tools/lib/subcmd/Build
 create mode 100644 tools/lib/subcmd/Makefile
 create mode 100644 tools/lib/subcmd/exec-cmd.c
 create mode 100644 tools/lib/subcmd/exec-cmd.h
 rename tools/{perf/util => lib/subcmd}/help.c (81%)
 rename tools/{perf/util => lib/subcmd}/help.h (87%)
 rename tools/{perf/util => lib/subcmd}/pager.c (85%)
 create mode 100644 tools/lib/subcmd/pager.h
 rename tools/{perf/util => lib/subcmd}/parse-options.c (90%)
 rename tools/{perf/util => lib/subcmd}/parse-options.h (96%)
 rename tools/{perf/util => lib/subcmd}/run-command.c (90%)
 rename tools/{perf/util => lib/subcmd}/run-command.h (86%)
 rename tools/{perf/util => lib/subcmd}/sigchain.c (95%)
 rename tools/{perf/util => lib/subcmd}/sigchain.h (55%)
 create mode 100644 tools/lib/subcmd/subcmd-config.c
 create mode 100644 tools/lib/subcmd/subcmd-config.h
 create mode 100644 tools/lib/subcmd/subcmd-util.h
 delete mode 100644 tools/perf/util/exec_cmd.c
 delete mode 100644 tools/perf/util/exec_cmd.h
 delete mode 100644 tools/perf/util/pager.h

-- 
2.4.3

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