The trace-cmd(1) clear clears the content of the Ftrace ring
buffer.
ПАРАМЕТРЫ
-B buffer-name
If the kernel supports multiple buffers, this will clear only
the given buffer. It does not affect any other buffers. This
may be used multiple times to specify different buffers. The
top level buffer will not be clearded if this option is
given.
-a
Clear all existing buffers, including the top level one.
This page is part of the trace-cmd (a front-end for Ftrace)
project. Information about the project can be found at
⟨https://www.trace-cmd.org/⟩. If you have a bug report for this
manual page, see ⟨https://www.trace-cmd.org/⟩. This page was
obtained from the project's upstream Git repository
⟨https://git.kernel.org/pub/scm/utils/trace-cmd/trace-cmd.git⟩ on
2024-06-14. (At that time, the date of the most recent commit
that was found in the repository was 2024-02-22.) If you
discover any rendering problems in this HTML version of the page,
or you believe there is a better or more up-to-date source for
the page, or you have corrections or improvements to the
information in this COLOPHON (which is not part of the original
manual page), send a mail to man-pages@man7.org
libtracefs 09/24/2023 TRACE-CMD-CLEAR(1)