Quelle  task.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM task

#if !defined(_TRACE_TASK_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_TASK_H
#include <linux/tracepoint.h>

TRACE_EVENT(task_newtask,

 TP_PROTO(struct task_struct *task, unsigned long clone_flags),

 TP_ARGS(task, clone_flags),

 TP_STRUCT__entry(
  __field( pid_t, pid)
  __array( char, comm, TASK_COMM_LEN)
  __field( unsigned long, clone_flags)
  __field( short, oom_score_adj)
 ),

 TP_fast_assign(
  __entry->pid = task->pid;
  memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
  __entry->clone_flags = clone_flags;
  __entry->oom_score_adj = task->signal->oom_score_adj;
 ),

 TP_printk("pid=%d comm=%s clone_flags=%lx oom_score_adj=%hd",
  __entry->pid, __entry->comm,
  __entry->clone_flags, __entry->oom_score_adj)
);

TRACE_EVENT(task_rename,

 TP_PROTO(struct task_struct *task, const char *comm),

 TP_ARGS(task, comm),

 TP_STRUCT__entry(
  __array( char, oldcomm,  TASK_COMM_LEN)
  __array( char, newcomm,  TASK_COMM_LEN)
  __field( short, oom_score_adj)
 ),

 TP_fast_assign(
  memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN);
  strscpy(entry->newcomm, comm, TASK_COMM_LEN);
  __entry->oom_score_adj = task->signal->oom_score_adj;
 ),

 TP_printk("oldcomm=%s newcomm=%s oom_score_adj=%hd",
    __entry->oldcomm, __entry->newcomm, __entry->oom_score_adj)
);

/**
 * task_prctl_unknown - called on unknown prctl() option
 * @option: option passed
 * @arg2: arg2 passed
 * @arg3: arg3 passed
 * @arg4: arg4 passed
 * @arg5: arg5 passed
 *
 * Called on an unknown prctl() option.
 */
TRACE_EVENT(task_prctl_unknown,

 TP_PROTO(int option, unsigned long arg2, unsigned long arg3,
   unsigned long arg4, unsigned long arg5),

 TP_ARGS(option, arg2, arg3, arg4, arg5),

 TP_STRUCT__entry(
  __field( int,  option)
  __field( unsigned long, arg2)
  __field( unsigned long, arg3)
  __field( unsigned long, arg4)
  __field( unsigned long, arg5)
 ),

 TP_fast_assign(
  __entry->option = option;
  __entry->arg2 = arg2;
  __entry->arg3 = arg3;
  __entry->arg4 = arg4;
  __entry->arg5 = arg5;
 ),

 TP_printk("option=%d arg2=%ld arg3=%ld arg4=%ld arg5=%ld",
    __entry->option, __entry->arg2, __entry->arg3, __entry->arg4, __entry->arg5)
);

#endif

/* This part must be outside protection */
#include <trace/define_trace.h>