include/trace/events/task.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM task
   3
   4 #if !defined(_TRACE_TASK_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_TASK_H
   6 #include <linux/tracepoint.h>
   7
   8 TRACE_EVENT(task_newtask,
   9
  10         TP_PROTO(struct task_struct *task, unsigned long clone_flags),
  11
  12         TP_ARGS(task, clone_flags),
  13
  14         TP_STRUCT__entry(
  15                 __field(        pid_t,  pid)
  16                 __array(        char,   comm, TASK_COMM_LEN)
  17                 __field( unsigned long, clone_flags)
  18                 __field(        int,    oom_score_adj)
  19         ),
  20
  21         TP_fast_assign(
  22                 __entry->pid = task->pid;
  23                 memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
  24                 __entry->clone_flags = clone_flags;
  25                 __entry->oom_score_adj = task->signal->oom_score_adj;
  26         ),
  27
  28         TP_printk("pid=%d comm=%s clone_flags=%lx oom_score_adj=%d",
  29                 __entry->pid, __entry->comm,
  30                 __entry->clone_flags, __entry->oom_score_adj)
  31 );
  32
  33 TRACE_EVENT(task_rename,
  34
  35         TP_PROTO(struct task_struct *task, char *comm),
  36
  37         TP_ARGS(task, comm),
  38
  39         TP_STRUCT__entry(
  40                 __field(        pid_t,  pid)
  41                 __array(        char, oldcomm,  TASK_COMM_LEN)
  42                 __array(        char, newcomm,  TASK_COMM_LEN)
  43                 __field(        int, oom_score_adj)
  44         ),
  45
  46         TP_fast_assign(
  47                 __entry->pid = task->pid;
  48                 memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN);
  49                 memcpy(entry->newcomm, comm, TASK_COMM_LEN);
  50                 __entry->oom_score_adj = task->signal->oom_score_adj;
  51         ),
  52
  53         TP_printk("pid=%d oldcomm=%s newcomm=%s oom_score_adj=%d",
  54                 __entry->pid, __entry->oldcomm,
  55                 __entry->newcomm, __entry->oom_score_adj)
  56 );
  57
  58 #endif
  59
  60 /* This part must be outside protection */
  61 #include <trace/define_trace.h>