kernel/include/trace/events/oom.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM oom
   3
   4 #if !defined(_TRACE_OOM_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_OOM_H
   6 #include <linux/tracepoint.h>
   7
   8 TRACE_EVENT(oom_score_adj_update,
   9
  10         TP_PROTO(struct task_struct *task),
  11
  12         TP_ARGS(task),
  13
  14         TP_STRUCT__entry(
  15                 __field(        pid_t,  pid)
  16                 __array(        char,   comm,   TASK_COMM_LEN )
  17                 __field(        short,  oom_score_adj)
  18         ),
  19
  20         TP_fast_assign(
  21                 __entry->pid = task->pid;
  22                 memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
  23                 __entry->oom_score_adj = task->signal->oom_score_adj;
  24         ),
  25
  26         TP_printk("pid=%d comm=%s oom_score_adj=%hd",
  27                 __entry->pid, __entry->comm, __entry->oom_score_adj)
  28 );
  29
  30 #endif
  31
  32 /* This part must be outside protection */
  33 #include <trace/define_trace.h>