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# Date Author Comment
26f7227b 09/10/2010 12:22 am Stefan Hajnoczi

trace: Add simple built-in tracing backend

This patch adds a simple tracer which produces binary trace files. To
try out the simple backend:

$ ./configure --trace-backend=simple
$ make

After running QEMU you can pretty-print the trace:

$ ./simpletrace.py trace-events trace.log...
22890ab5 09/10/2010 12:22 am Prerna Saxena

trace: Support for dynamically enabling/disabling trace events

This patch adds support for dynamically enabling/disabling of trace events.
This is done by internally maintaining each trace event's state, and
permitting logging of data from a trace event only if it is in an...
c5ceb523 09/10/2010 12:22 am Stefan Hajnoczi

trace: Add trace-file command to open/close/flush trace file

This patch adds the trace-file command:

trace-file [on|off|flush]
Open, close, or flush the trace file.  If no argument is given,
  the status of the trace file is displayed.

The trace file is turned on by default but is only written out when the...