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kernel add
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#ifndef _LATENCY_HIST_H
#define _LATENCY_HIST_H
enum hist_action {
IRQS_ON,
PREEMPT_ON,
TRACE_STOP,
IRQS_OFF,
PREEMPT_OFF,
TRACE_START,
};
static char *actions[] = {
"IRQS_ON",
"PREEMPT_ON",
"TRACE_STOP",
"IRQS_OFF",
"PREEMPT_OFF",
"TRACE_START",
};
static inline char *getaction(int action)
{
if (action >= 0 && action <= sizeof(actions)/sizeof(actions[0]))
return actions[action];
return "unknown";
}
#endif /* _LATENCY_HIST_H */
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