63 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2#undef TRACE_SYSTEM3#define TRACE_SYSTEM task4 5#if !defined(_TRACE_TASK_H) || defined(TRACE_HEADER_MULTI_READ)6#define _TRACE_TASK_H7#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 strscpy(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#endif60 61/* This part must be outside protection */62#include <trace/define_trace.h>63