linux-kernel - [PATCH V2 0/3] tools/tracing: Use tools/build makefiles like perf

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Date: Fri, 15 Mar 2024 15:24:58 +0100
From: Daniel Bristot de Oliveira <bristot@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Daniel Bristot de Oliveira <bristot@...nel.org>,
	Josh Poimboeuf <jpoimboe@...nel.org>,
	John Kacur <jkacur@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Jiri Olsa <jolsa@...nel.org>,
	linux-perf-users@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH V2 0/3] tools/tracing: Use tools/build makefiles like perf

tools/tracing and tools/verification/rv are using standalone Makefiles
and this approach has some drawbacks. For example, code duplication
and lack of proper dependency handling, making things harder for
users. 

Linus suggested using perf's build system, and it is indeed the best way to go.

This series replaces tools/tracing and tools/verification/rv makefiles
with makefiles inspired by perf and objtool that use tools/build/
infrastructure.

Thanks, Arnaldo, for the pointers via chat.

Link: https://lore.kernel.org/lkml/CAHk-=wjQ9BJKBPi3sJN2Dy5jVwPO03u9aOc6-g8AnLcGq-E4-g@mail.gmail.com/

Changes from V1:
  - Link: https://lore.kernel.org/lkml/cover.1709914259.git.bristot@kernel.org/
  - Proper handle O= and OUTPUT= flags fixing "make tools/tracing"
  - Cleanups

Daniel Bristot de Oliveira (3):
  tools/tracing: Use tools/build makefiles on latency-collector
  tools/rtla: Use tools/build makefiles to build rtla
  tools/verification: Use tools/build makefiles on rv

 tools/tracing/latency/.gitignore       |   5 +-
 tools/tracing/latency/Build            |   1 +
 tools/tracing/latency/Makefile         | 105 ++++++++++--
 tools/tracing/latency/Makefile.config  |  30 ++++
 tools/tracing/rtla/.gitignore          |   7 +-
 tools/tracing/rtla/Build               |   1 +
 tools/tracing/rtla/Makefile            | 217 +++++++++----------------
 tools/tracing/rtla/Makefile.config     |  47 ++++++
 tools/tracing/rtla/Makefile.rtla       |  80 +++++++++
 tools/tracing/rtla/Makefile.standalone |  26 +++
 tools/tracing/rtla/src/Build           |  11 ++
 tools/verification/rv/.gitignore       |   6 +
 tools/verification/rv/Build            |   1 +
 tools/verification/rv/Makefile         | 207 +++++++++--------------
 tools/verification/rv/Makefile.config  |  47 ++++++
 tools/verification/rv/Makefile.rv      |  51 ++++++
 tools/verification/rv/src/Build        |   4 +
 17 files changed, 549 insertions(+), 297 deletions(-)
 create mode 100644 tools/tracing/latency/Build
 create mode 100644 tools/tracing/latency/Makefile.config
 create mode 100644 tools/tracing/rtla/Build
 create mode 100644 tools/tracing/rtla/Makefile.config
 create mode 100644 tools/tracing/rtla/Makefile.rtla
 create mode 100644 tools/tracing/rtla/Makefile.standalone
 create mode 100644 tools/tracing/rtla/src/Build
 create mode 100644 tools/verification/rv/.gitignore
 create mode 100644 tools/verification/rv/Build
 create mode 100644 tools/verification/rv/Makefile.config
 create mode 100644 tools/verification/rv/Makefile.rv
 create mode 100644 tools/verification/rv/src/Build

-- 
2.44.0