task.h

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#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(    int,    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=%d",
        __entry->pid, __entry->comm,
        __entry->clone_flags, __entry->oom_score_adj)
);

TRACE_EVENT(task_rename,

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

    TP_ARGS(task, comm),

    TP_STRUCT__entry(
        __field(    pid_t,  pid)
        __array(    char, oldcomm,  TASK_COMM_LEN)
        __array(    char, newcomm,  TASK_COMM_LEN)
        __field(    int, oom_score_adj)
    ),

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

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

#endif

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