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trace: [stderr] add support for dynamically enabling/disabling events

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Uses the generic interface provided in "trace/control.h" in order to provide
a programmatic interface as well as command line and monitor controls.

Signed-off-by: Fabien Chouteau <chouteau@adacore.com>
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
This commit is contained in:
Lluís 2011-08-31 20:31:51 +02:00 • committed by Stefan Hajnoczi
parent 03727e6a06
commit 9a82b6a590
7 changed files with 81 additions and 11 deletions
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3
qemu-options.hx
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@ -2454,7 +2454,8 @@ Immediately enable events listed in @var{file}.
The file must contain one event name (as listed in the @var{trace-events} file)
per line.
This option is only available when using the @var{simple} tracing backend.
This option is only available when using the @var{simple} and @var{stderr}
tracing backends.
@item file=@var{file}
Log output traces to @var{file}.