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| author | Steven Rostedt (Google) <rostedt@goodmis.org> | 2023-12-28 22:16:46 -0500 |
|---|---|---|
| committer | Steven Rostedt (Google) <rostedt@goodmis.org> | 2023-12-28 22:26:09 -0500 |
| commit | c38853de5ad6e55218ecf6b19760f27364699776 (patch) | |
| tree | 1a92e1092ebcb0b469a6f856338ac1b3660e9389 /Documentation | |
| parent | 6abf2ad80ccc9865d0c49995af08318e7788c17e (diff) | |
| download | trace-cmd-c38853de5ad6e55218ecf6b19760f27364699776.tar.gz | |
trace-cmd show: Add option to read buffer_percent
Add trace-cmd show --buffer_percent to show the value of the buffer_percent
file.
Link: https://lore.kernel.org/linux-trace-devel/20231229031907.69432-4-rostedt@goodmis.org
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/trace-cmd/trace-cmd-show.1.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/trace-cmd/trace-cmd-show.1.txt b/Documentation/trace-cmd/trace-cmd-show.1.txt index ac40dacf..f85c070b 100644 --- a/Documentation/trace-cmd/trace-cmd-show.1.txt +++ b/Documentation/trace-cmd/trace-cmd-show.1.txt @@ -65,6 +65,14 @@ OPTIONS The ring buffer is broken up into equal size sub-buffers were an event can only be as big as the sub-buffer data section (the size minus its meta data). +*--buffer_percent*:: + Show the percentage the buffer must be filled before a reader that is blocked + on the trace_pipe_raw file will be woken up. + + 0 : wake up immediately on any new data + 1 - 99 : wake up on this percentage of the sub-buffers being full + 100 : wake up after the buffer is full and the writer is on the last sub-buffer + *--ftrace_filter*:: Show what function filters are set. |