kernel/include/trace/events/hist.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM hist
   3
   4 #if !defined(_TRACE_HIST_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_HIST_H
   6
   7 #include "latency_hist.h"
   8 #include <linux/tracepoint.h>
   9
  10 #if !defined(CONFIG_PREEMPT_OFF_HIST) && !defined(CONFIG_INTERRUPT_OFF_HIST)
  11 #define trace_preemptirqsoff_hist(a, b)
  12 #else
  13 TRACE_EVENT(preemptirqsoff_hist,
  14
  15         TP_PROTO(int reason, int starthist),
  16
  17         TP_ARGS(reason, starthist),
  18
  19         TP_STRUCT__entry(
  20                 __field(int,    reason)
  21                 __field(int,    starthist)
  22         ),
  23
  24         TP_fast_assign(
  25                 __entry->reason         = reason;
  26                 __entry->starthist      = starthist;
  27         ),
  28
  29         TP_printk("reason=%s starthist=%s", getaction(__entry->reason),
  30                   __entry->starthist ? "start" : "stop")
  31 );
  32 #endif
  33
  34 #ifndef CONFIG_MISSED_TIMER_OFFSETS_HIST
  35 #define trace_hrtimer_interrupt(a, b, c, d)
  36 #else
  37 TRACE_EVENT(hrtimer_interrupt,
  38
  39         TP_PROTO(int cpu, long long offset, struct task_struct *curr,
  40                 struct task_struct *task),
  41
  42         TP_ARGS(cpu, offset, curr, task),
  43
  44         TP_STRUCT__entry(
  45                 __field(int,            cpu)
  46                 __field(long long,      offset)
  47                 __array(char,           ccomm,  TASK_COMM_LEN)
  48                 __field(int,            cprio)
  49                 __array(char,           tcomm,  TASK_COMM_LEN)
  50                 __field(int,            tprio)
  51         ),
  52
  53         TP_fast_assign(
  54                 __entry->cpu    = cpu;
  55                 __entry->offset = offset;
  56                 memcpy(__entry->ccomm, curr->comm, TASK_COMM_LEN);
  57                 __entry->cprio  = curr->prio;
  58                 memcpy(__entry->tcomm, task != NULL ? task->comm : "<none>",
  59                         task != NULL ? TASK_COMM_LEN : 7);
  60                 __entry->tprio  = task != NULL ? task->prio : -1;
  61         ),
  62
  63         TP_printk("cpu=%d offset=%lld curr=%s[%d] thread=%s[%d]",
  64                 __entry->cpu, __entry->offset, __entry->ccomm,
  65                 __entry->cprio, __entry->tcomm, __entry->tprio)
  66 );
  67 #endif
  68
  69 #endif /* _TRACE_HIST_H */
  70
  71 /* This part must be outside protection */
  72 #include <trace/define_trace.h>