trace/stderr.c

   1 #include "trace.h"
   2 #include "trace/control.h"
   3
   4
   5 void trace_print_events(FILE *stream, fprintf_function stream_printf)
   6 {
   7     unsigned int i;
   8
   9     for (i = 0; i < NR_TRACE_EVENTS; i++) {
  10         stream_printf(stream, "%s [Event ID %u] : state %u\n",
  11                       trace_list[i].tp_name, i, trace_list[i].state);
  12     }
  13 }
  14
  15 bool trace_event_set_state(const char *name, bool state)
  16 {
  17     unsigned int i;
  18
  19     for (i = 0; i < NR_TRACE_EVENTS; i++) {
  20         if (!strcmp(trace_list[i].tp_name, name)) {
  21             trace_list[i].state = state;
  22             return true;
  23         }
  24     }
  25     return false;
  26 }
  27
  28 bool trace_backend_init(const char *events, const char *file)
  29 {
  30     if (file) {
  31         fprintf(stderr, "error: -trace file=...: "
  32                 "option not supported by the selected tracing backend\n");
  33         return false;
  34     }
  35     trace_backend_init_events(events);
  36     return true;
  37 }