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 9 TRACE_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 34 TRACE_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 __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 memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN); 48 strscpy(entry->newcomm, comm, TASK_COMM_LEN); 49 __entry->oom_score_adj = task->signal->oom_score_adj; 50 ), 51 52 TP_printk("oldcomm=%s newcomm=%s oom_score_adj=%hd", 53 __entry->oldcomm, __entry->newcomm, __entry->oom_score_adj) 54 ); 55 56 /** 57 * task_prctl_unknown - called on unknown prctl() option 58 * @option: option passed 59 * @arg2: arg2 passed 60 * @arg3: arg3 passed 61 * @arg4: arg4 passed 62 * @arg5: arg5 passed 63 * 64 * Called on an unknown prctl() option. 65 */ 66 TRACE_EVENT(task_prctl_unknown, 67 68 TP_PROTO(int option, unsigned long arg2, unsigned long arg3, 69 unsigned long arg4, unsigned long arg5), 70 71 TP_ARGS(option, arg2, arg3, arg4, arg5), 72 73 TP_STRUCT__entry( 74 __field( int, option) 75 __field( unsigned long, arg2) 76 __field( unsigned long, arg3) 77 __field( unsigned long, arg4) 78 __field( unsigned long, arg5) 79 ), 80 81 TP_fast_assign( 82 __entry->option = option; 83 __entry->arg2 = arg2; 84 __entry->arg3 = arg3; 85 __entry->arg4 = arg4; 86 __entry->arg5 = arg5; 87 ), 88 89 TP_printk("option=%d arg2=%ld arg3=%ld arg4=%ld arg5=%ld", 90 __entry->option, __entry->arg2, __entry->arg3, __entry->arg4, __entry->arg5) 91 ); 92 93 #endif 94 95 /* This part must be outside protection */ 96 #include <trace/define_trace.h> 97