| 1 |
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| 2 | #undef TRACE_SYSTEM
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| 3 | #define TRACE_SYSTEM task
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| 4 |
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| 5 | #if !defined(_TRACE_TASK_H) || defined(TRACE_HEADER_MULTI_READ)
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| 6 | #define _TRACE_TASK_H
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| 7 | #include <linux/tracepoint.h>
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| 8 |
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| 9 | TRACE_EVENT(task_newtask,
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| 10 |
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| 11 | TP_PROTO(struct task_struct *task, u64 clone_flags),
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| 12 |
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| 13 | TP_ARGS(task, clone_flags),
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| 14 |
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| 15 | TP_STRUCT__entry(
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| 16 | __field( pid_t, pid)
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| 17 | __array( char, comm, TASK_COMM_LEN)
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| 18 | __field( u64, clone_flags)
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| 19 | __field( short, oom_score_adj)
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| 20 | ),
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| 21 |
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| 22 | TP_fast_assign(
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| 23 | __entry->pid = task->pid;
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| 24 | memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
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| 25 | __entry->clone_flags = clone_flags;
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| 26 | __entry->oom_score_adj = task->signal->oom_score_adj;
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| 27 | ),
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| 28 |
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| 29 | TP_printk("pid=%d comm=%s clone_flags=%llx oom_score_adj=%hd",
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| 30 | __entry->pid, __entry->comm,
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| 31 | __entry->clone_flags, __entry->oom_score_adj)
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| 32 | );
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| 33 |
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| 34 | TRACE_EVENT(task_rename,
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| 35 |
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| 36 | TP_PROTO(struct task_struct *task, const char *comm),
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| 37 |
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| 38 | TP_ARGS(task, comm),
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| 39 |
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| 40 | TP_STRUCT__entry(
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| 41 | __field( pid_t, pid)
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| 42 | __array( char, oldcomm, TASK_COMM_LEN)
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| 43 | __array( char, newcomm, TASK_COMM_LEN)
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| 44 | __field( short, oom_score_adj)
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| 45 | ),
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| 46 |
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| 47 | TP_fast_assign(
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| 48 | __entry->pid = task->pid;
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| 49 | memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN);
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| 50 | strscpy(entry->newcomm, comm, TASK_COMM_LEN);
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| 51 | __entry->oom_score_adj = task->signal->oom_score_adj;
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| 52 | ),
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| 53 |
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| 54 | TP_printk("pid=%d oldcomm=%s newcomm=%s oom_score_adj=%hd",
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| 55 | __entry->pid, __entry->oldcomm,
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| 56 | __entry->newcomm, __entry->oom_score_adj)
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| 57 | );
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| 58 |
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| 59 | |
| 60 | * task_prctl_unknown - called on unknown prctl() option
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| 61 | * @option: option passed
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| 62 | * @arg2: arg2 passed
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| 63 | * @arg3: arg3 passed
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| 64 | * @arg4: arg4 passed
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| 65 | * @arg5: arg5 passed
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| 66 | *
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| 67 | * Called on an unknown prctl() option.
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| 68 |
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| 69 | TRACE_EVENT(task_prctl_unknown,
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| 70 |
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| 71 | TP_PROTO(int option, unsigned long arg2, unsigned long arg3,
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| 72 | unsigned long arg4, unsigned long arg5),
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| 73 |
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| 74 | TP_ARGS(option, arg2, arg3, arg4, arg5),
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| 75 |
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| 76 | TP_STRUCT__entry(
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| 77 | __field( int, option)
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| 78 | __field( unsigned long, arg2)
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| 79 | __field( unsigned long, arg3)
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| 80 | __field( unsigned long, arg4)
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| 81 | __field( unsigned long, arg5)
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| 82 | ),
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| 83 |
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| 84 | TP_fast_assign(
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| 85 | __entry->option = option;
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| 86 | __entry->arg2 = arg2;
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| 87 | __entry->arg3 = arg3;
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| 88 | __entry->arg4 = arg4;
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| 89 | __entry->arg5 = arg5;
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| 90 | ),
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| 91 |
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| 92 | TP_printk("option=%d arg2=%ld arg3=%ld arg4=%ld arg5=%ld",
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| 93 | __entry->option, __entry->arg2, __entry->arg3, __entry->arg4, __entry->arg5)
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| 94 | );
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| 95 |
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| 96 | #endif
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| 97 |
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| 98 |
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| 99 | #include <trace/define_trace.h>
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