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#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;
unsigned int len;
bool wildcard = false;
bool matched = false;
len = strlen(name);
if (len > 0 && name[len - 1] == '*') {
wildcard = true;
len -= 1;
}
for (i = 0; i < NR_TRACE_EVENTS; i++) {
if (wildcard) {
if (!strncmp(trace_list[i].tp_name, name, len)) {
trace_list[i].state = state;
matched = true;
}
continue;
}
if (!strcmp(trace_list[i].tp_name, name)) {
trace_list[i].state = state;
return true;
}
}
return matched;
}
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;
}
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