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| author | Jerome Forissier <jerome.forissier@linaro.org> | 2024-12-13 13:45:38 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2024-12-31 19:00:46 -0600 |
| commit | edef0916668631b4fce956a9cfac252ffb2c0a9c (patch) | |
| tree | 482543ae3227125a52424763a727a491a3f4532f | |
| parent | 905204ddcf4d7f845b8b54527a81d50688675fe2 (diff) | |
trace: document 'trace wipe'
Add documentation for the 'trace wipe' command.
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
| -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 ----------- |