LXR linux/include/trace/events/task.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#undef TRACE_SYSTEM
   3#define TRACE_SYSTEM task
   4
   5#if !defined(_TRACE_TASK_H) || defined(TRACE_HEADER_MULTI_READ)
   6#define _TRACE_TASK_H
   7#include <linux/tracepoint.h>
   8
   9TRACE_EVENT(task_newtask,
  10
  11        TP_PROTO(struct task_struct *task, unsigned long clone_flags),
  12
  13        TP_ARGS(task, clone_flags),
  14
  15        TP_STRUCT__entry(
  16                __field(        pid_t,  pid)
  17                __array(        char,   comm, TASK_COMM_LEN)
  18                __field( unsigned long, clone_flags)
  19                __field(        short,  oom_score_adj)
  20        ),
  21
  22        TP_fast_assign(
  23                __entry->pid = task->pid;
  24                memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
  25                __entry->clone_flags = clone_flags;
  26                __entry->oom_score_adj = task->signal->oom_score_adj;
  27        ),
  28
  29        TP_printk("pid=%d comm=%s clone_flags=%lx oom_score_adj=%hd",
  30                __entry->pid, __entry->comm,
  31                __entry->clone_flags, __entry->oom_score_adj)
  32);
  33
  34TRACE_EVENT(task_rename,
  35
  36        TP_PROTO(struct task_struct *task, const char *comm),
  37
  38        TP_ARGS(task, comm),
  39
  40        TP_STRUCT__entry(
  41                __field(        pid_t,  pid)
  42                __array(        char, oldcomm,  TASK_COMM_LEN)
  43                __array(        char, newcomm,  TASK_COMM_LEN)
  44                __field(        short,  oom_score_adj)
  45        ),
  46
  47        TP_fast_assign(
  48                __entry->pid = task->pid;
  49                memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN);
  50                strlcpy(entry->newcomm, comm, TASK_COMM_LEN);
  51                __entry->oom_score_adj = task->signal->oom_score_adj;
  52        ),
  53
  54        TP_printk("pid=%d oldcomm=%s newcomm=%s oom_score_adj=%hd",
  55                __entry->pid, __entry->oldcomm,
  56                __entry->newcomm, __entry->oom_score_adj)
  57);
  58
  59#endif
  60
  61/* This part must be outside protection */
  62#include <trace/define_trace.h>
  63