linux-kernel - [PATCH 0/6] tools/bootconfig: Add boot-time tracing script

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Date:   Mon, 10 Aug 2020 17:34:30 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Masami Hiramatsu <mhiramat@...nel.org>
Subject: [PATCH 0/6] tools/bootconfig: Add boot-time tracing script

Hi,

This is a series of patches to introduce scripts for the boot-time tracing.

- bconf2ftrace.sh generates a shell script from a bootconfig file which
  setup ftrace via tracefs. This is useful for checking whether your
  boot-time tracing bootconfig is working as you expected.

- ftrace2bconf.sh generates a bootconfig file from current ftrace setting.
  You can set up the ftrace manually and run a test on it before dump it
  to a bootconfig file.
  Note that some function-tracer/fgraph-tracer options are not supported
  by ftrace2bconf.sh, because the original wildcard expression has been
  lost during setup ftrace.

Also, this series improve the bootconfig command to increase usability.

- The bootconfig can format the bootconfig file without initrd. You don't
  need a dummy initrd anymore :)
- The bootconfig command supports -l (format as a list) option which
  outputs the bootconfig as a key-value list, as same as /proc/bootconfig.


Thank you,

---

Masami Hiramatsu (6):
      tools/bootconfig: Show bootconfig compact tree from bootconfig file
      tools/bootconfig: Add list option
      tools/bootconfig: Make all functions static
      tools/bootconfig: Add a script to generate ftrace shell-command from bootconfig
      tools/bootconfig: Add a script to generates bootconfig from ftrace
      tools/bootconfig: Add --init option for bconf2ftrace.sh


 tools/bootconfig/main.c                  |  147 +++++++++++++-----
 tools/bootconfig/scripts/bconf2ftrace.sh |  199 ++++++++++++++++++++++++
 tools/bootconfig/scripts/ftrace.sh       |  109 +++++++++++++
 tools/bootconfig/scripts/ftrace2bconf.sh |  244 ++++++++++++++++++++++++++++++
 tools/bootconfig/scripts/xbc.sh          |   56 +++++++
 5 files changed, 713 insertions(+), 42 deletions(-)
 create mode 100755 tools/bootconfig/scripts/bconf2ftrace.sh
 create mode 100644 tools/bootconfig/scripts/ftrace.sh
 create mode 100755 tools/bootconfig/scripts/ftrace2bconf.sh
 create mode 100644 tools/bootconfig/scripts/xbc.sh

--
Masami Hiramatsu (Linaro) <mhiramat@...nel.org>