linux-kernel - Re: [GIT PULL] tracing/tools: Updates for 6.9

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Date: Tue, 19 Mar 2024 19:02:59 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: Daniel Bristot de Oliveira <bristot@...nel.org>
Cc: Masami Hiramatsu <mhiramat@...nel.org>, linux-kernel@...r.kernel.org,
 linux-trace-kernel@...r.kernel.org
Subject: Re: [GIT PULL] tracing/tools: Updates for 6.9

On Mon, 18 Mar 2024 18:41:13 +0100
Daniel Bristot de Oliveira <bristot@...nel.org> wrote:

> Steven,
> 
> Tracing tooling updates for 6.9
> 
> Tracing:
>         - Update makefiles for latency-collector and RTLA,
>           using tools/build/ makefiles like perf does, inheriting
>           its benefits. For example, having a proper way to
>           handle dependencies.
> 
>         - The timerlat tracer has an interface for any tool to use.
>           rtla timerlat tool uses this interface dispatching its
>           own threads as workload. But, rtla timerlat could also be
>           used for any other process. So, add 'rtla timerlat -U'
>           option, allowing the timerlat tool to measure the latency of
>           any task using the timerlat tracer interface.
> 
> Verification:
>         - Update makefiles for verification/rv, using tools/build/
>           makefiles like perf does, inheriting its benefits.
>           For example, having a proper way to handle dependencies.
> 
> 
> Please pull the latest trace-tools-v6.9 tree, which can be found at:
> 
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/bristot/linux.git
> trace-tools-v6.9

Looks like you just built on top of a random commit from Linus's tree:

commit f6cef5f8c37f58a3bc95b3754c3ae98e086631ca
Merge: 906a93befec8 8f06fb458539
Author: Linus Torvalds <torvalds@...ux-foundation.org>
Date:   Sun Mar 17 16:59:33 2024 -0700

    Merge tag 'i3c/for-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux

Linus prefers basing off of real tags or previous pulls from us.

Can you rebase your changes on v6.8 and resend?

  $ git checkout v6.8
  $ git cherry-pick f6cef5f8c37f58a3bc95b3754c3ae98e086631ca..trace-tools-v6.9

Appears to work fine.

Thanks!

-- Steve


> 
> Tag SHA1: 2eb09a97c56af3c27bd9dcebccb495f70d56d5c0
> Head SHA1: 9c63d9f58a42b979a42bcaed534d9246996ac0d9
> 
> 
> Daniel Bristot de Oliveira (4):
>       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/rtla: Add -U/--user-load option to timerlat
> 
> ----
>  .../tools/rtla/common_timerlat_options.rst         |   6 +
>  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/sample/timerlat_load.py         |  74 +++++++
>  tools/tracing/rtla/src/Build                       |  11 ++
>  tools/tracing/rtla/src/timerlat_hist.c             |  16 +-
>  tools/tracing/rtla/src/timerlat_top.c              |  14 +-
>  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 +
>  21 files changed, 650 insertions(+), 306 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/sample/timerlat_load.py
>  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
> ---------------------------