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| author | Tom Rini <trini@konsulko.com> | 2024-12-31 19:00:54 -0600 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2025-01-01 10:40:33 -0600 |
| commit | 2eb74974de5204835e81b81098dab1591fd99df5 (patch) | |
| tree | 76b6ffcd649422cd0755efa6cb1e831eaff9597f /doc/develop | |
| parent | 788b4609dbbbf1e058836b42967e58ffcbdc3bb1 (diff) | |
| parent | edef0916668631b4fce956a9cfac252ffb2c0a9c (diff) | |
Merge patch series "Add 'trace wipe'"
Jerome Forissier <jerome.forissier@linaro.org> says:
This short series adds the 'trace wipe' command which clears the trace
buffer, allowing to re-start a capture from scratch.
Link: https://lore.kernel.org/r/cover.1734093566.git.jerome.forissier@linaro.org
Diffstat (limited to 'doc/develop')
| -rw-r--r-- | doc/develop/trace.rst | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/develop/trace.rst b/doc/develop/trace.rst index 546862020b1..d3c8628d124 100644 --- a/doc/develop/trace.rst +++ b/doc/develop/trace.rst @@ -163,6 +163,17 @@ you will see the time taken by each function shown against its exit record. u-boot-1 [000] 3.116466: funcgraph_entry: 0.063 us | memset(); u-boot-1 [000] 3.116539: funcgraph_exit: 0.143 us | } +The `trace wipe` command may be used to clear the trace buffer. It leaves +tracing in its current enable state. This command is convenient when tracing a +single command, for example: + +.. code-block:: console + + => trace pause; trace wipe + => trace resume; dhcp; trace pause + => trace stats + ... + Flame graph ----------- |