| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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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, unsigned long 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( unsigned long, 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=%lx 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 | #endif |
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| 60 | |
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| 61 | /* This part must be outside protection */ |
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| 62 | #include <trace/define_trace.h> |
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| 63 | |
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