qemu-e2k/trace/stderr.c
Lluís 9a82b6a590 trace: [stderr] add support for dynamically enabling/disabling events
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>
2011-09-01 10:34:54 +01:00

38 lines
898 B
C

#include "trace.h"
#include "trace/control.h"
void trace_print_events(FILE *stream, fprintf_function stream_printf)
{
unsigned int i;
for (i = 0; i < NR_TRACE_EVENTS; i++) {
stream_printf(stream, "%s [Event ID %u] : state %u\n",
trace_list[i].tp_name, i, trace_list[i].state);
}
}
bool trace_event_set_state(const char *name, bool state)
{
unsigned int i;
for (i = 0; i < NR_TRACE_EVENTS; i++) {
if (!strcmp(trace_list[i].tp_name, name)) {
trace_list[i].state = state;
return true;
}
}
return false;
}
bool trace_backend_init(const char *events, const char *file)
{
if (file) {
fprintf(stderr, "error: -trace file=...: "
"option not supported by the selected tracing backend\n");
return false;
}
trace_backend_init_events(events);
return true;
}