| | 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> |
projects / linux-2.6-block.git / blame_incremental