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* trace: [default] Port to generic event information and new control interfaceLluís Vilanova2013-03-281-3/+2
| | | | | Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* trace: add "-trace events" argument to control initial stateLluís2011-09-011-1/+6
| | | | | | | | | | | The "-trace events" argument can be used to provide a file with a list of trace event names that will be enabled prior to starting execution, thus providing early tracing. This saves the user from manually toggling event states through the monitor interface or whichever backend-specific interface. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
* trace: separate trace event control and query routines from the simple backendLluís2011-09-011-0/+15
| | | | | | | | Generalize the 'st_print_trace_events' and 'st_change_trace_event_state' into backend-specific 'trace_print_events' and 'trace_event_set_state' (respectively) in the "trace/control.h" file. Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
* trace: avoid conditional code compilation during option parsingLluís2011-09-011-0/+21
A default implementation for backend-specific routines is provided in "trace/default.c", which backends can override by setting "trace_default=no" in "configure". Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
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