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@@ -0,0 +1,37 @@
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+#include "trace.h"
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+#include "trace/control.h"
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+
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+
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+void trace_print_events(FILE *stream, fprintf_function stream_printf)
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+{
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+ unsigned int i;
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+
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+ for (i = 0; i < NR_TRACE_EVENTS; i++) {
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+ stream_printf(stream, "%s [Event ID %u] : state %u\n",
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+ trace_list[i].tp_name, i, trace_list[i].state);
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+ }
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+}
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+
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+bool trace_event_set_state(const char *name, bool state)
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+{
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+ unsigned int i;
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+
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+ for (i = 0; i < NR_TRACE_EVENTS; i++) {
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+ if (!strcmp(trace_list[i].tp_name, name)) {
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+ trace_list[i].state = state;
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+ return true;
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+ }
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+ }
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+ return false;
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+}
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+
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+bool trace_backend_init(const char *events, const char *file)
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+{
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+ if (file) {
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+ fprintf(stderr, "error: -trace file=...: "
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+ "option not supported by the selected tracing backend\n");
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+ return false;
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+ }
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+ trace_backend_init_events(events);
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+ return true;
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+}
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