Messages in this thread Patch in this message | | | From | Jiri Olsa <> | Subject | [PATCH 1/4] perf tools: Reformat record's control fd man text | Date | Wed, 16 Dec 2020 09:39:11 +0100 |
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Adding available control commands in separate paragraph, so it's more readable and easier to add new commands.
Signed-off-by: Jiri Olsa <jolsa@kernel.org> --- tools/perf/Documentation/perf-record.txt | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-)
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 768888b9326a..f896c4b791e1 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -634,11 +634,17 @@ endif::HAVE_LIBPFM[] --control=fifo:ctl-fifo[,ack-fifo]:: --control=fd:ctl-fd[,ack-fd]:: ctl-fifo / ack-fifo are opened and used as ctl-fd / ack-fd as follows. -Listen on ctl-fd descriptor for command to control measurement ('enable': enable events, -'disable': disable events, 'snapshot': AUX area tracing snapshot). Measurements can be -started with events disabled using --delay=-1 option. Optionally send control command -completion ('ack\n') to ack-fd descriptor to synchronize with the controlling process. -Example of bash shell script to enable and disable events during measurements: +Listen on ctl-fd descriptor for command to control measurement. + +Available commands: + 'enable' : enable events + 'disable' : disable events + 'snapshot': AUX area tracing snapshot). + +Measurements can be started with events disabled using --delay=-1 option. Optionally +send control command completion ('ack\n') to ack-fd descriptor to synchronize with the +controlling process. Example of bash shell script to enable and disable events during +measurements: #!/bin/bash -- 2.26.2
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