LXR linux/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
   8TRACE_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(        short,  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=%hd",
  29                __entry->pid, __entry->comm,
  30                __entry->clone_flags, __entry->oom_score_adj)
  31);
  32
  33TRACE_EVENT(task_rename,
  34
  35        TP_PROTO(struct task_struct *task, const 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(        short,  oom_score_adj)
  44        ),
  45
  46        TP_fast_assign(
  47                __entry->pid = task->pid;
  48                memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN);
  49                strlcpy(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=%hd",
  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>
  62