kernel/include/trace/events/latency_hist.h

   1 #ifndef _LATENCY_HIST_H
   2 #define _LATENCY_HIST_H
   3
   4 enum hist_action {
   5         IRQS_ON,
   6         PREEMPT_ON,
   7         TRACE_STOP,
   8         IRQS_OFF,
   9         PREEMPT_OFF,
  10         TRACE_START,
  11 };
  12
  13 static char *actions[] = {
  14         "IRQS_ON",
  15         "PREEMPT_ON",
  16         "TRACE_STOP",
  17         "IRQS_OFF",
  18         "PREEMPT_OFF",
  19         "TRACE_START",
  20 };
  21
  22 static inline char *getaction(int action)
  23 {
  24         if (action >= 0 && action <= sizeof(actions)/sizeof(actions[0]))
  25                 return actions[action];
  26         return "unknown";
  27 }
  28
  29 #endif /* _LATENCY_HIST_H */