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[redhat] New configs in kernel/trace

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    • rhel-kernel-tracing-ebpf
    • CK-2025-wk49
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      Hi,

      As part of the ongoing rebase effort, the following configuration
      options need to be reviewed.

      As a reminder, the ARK configuration flow involves moving unreviewed
      configuration options from the pending directory to the ark directory.
      In the diff below, options are removed from the pending directory and
      added to the ark hierarchy. The final options that need to be ACKed
      are the files that are being added to the ark hierarchy.

      If the value for a file that is added should be changed, please reply
      with a better option.

      ~~~
      Symbol: FUNCTION_SELF_TRACING [=n]
      Type : bool
      Defined at kernel/trace/Kconfig:345
      Prompt: Function trace tracing code
      Depends on: FTRACE [=y] && FUNCTION_TRACER [=y]
      Location:
      -> Kernel hacking
      -> Tracers (FTRACE [=y])
      -> Function trace tracing code (FUNCTION_SELF_TRACING [=n])

      ~~~
      Commit: f93a7d0caccd (ftrace: Allow tracing of some of the tracing code)

      ~~~
      Symbol: TRACE_SYSCALL_BUF_SIZE_DEFAULT [=63]
      Type : integer
      Range : [0 165]
      Defined at kernel/trace/Kconfig:604
      Prompt: System call user read max size
      Depends on: FTRACE [=y] && FTRACE_SYSCALLS [=y]
      Location:
      -> Kernel hacking
      -> Tracers (FTRACE [=y])
      -> Trace syscalls (FTRACE_SYSCALLS [=y])
      -> System call user read max size (TRACE_SYSCALL_BUF_SIZE_DEFAULT [=63])

      ~~~
      Commit: 299ea67e6a2b (tracing: Add a config and syscall_user_buf_size file to limit amount written)

      See Merge Request: https://gitlab.com/cki-project/kernel-ark/-/merge_requests/4284

              jmarchan@redhat.com Jerome Marchand
              gitlab-jira Gitlab-jira-bot Gitlab-redhat
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