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| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #undef TRACE_SYSTEM |
| 3 | #define TRACE_SYSTEM osnoise |
| 4 | |
| 5 | #if !defined(_OSNOISE_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) |
| 6 | #define _OSNOISE_TRACE_H |
| 7 | |
| 8 | #include <linux/tracepoint.h> |
| 9 | TRACE_EVENT(thread_noise, |
| 10 | |
| 11 | TP_PROTO(struct task_struct *t, u64 start, u64 duration), |
| 12 | |
| 13 | TP_ARGS(t, start, duration), |
| 14 | |
| 15 | TP_STRUCT__entry( |
| 16 | __array( char, comm, TASK_COMM_LEN) |
| 17 | __field( u64, start ) |
| 18 | __field( u64, duration) |
| 19 | __field( pid_t, pid ) |
| 20 | ), |
| 21 | |
| 22 | TP_fast_assign( |
| 23 | memcpy(__entry->comm, t->comm, TASK_COMM_LEN); |
| 24 | __entry->pid = t->pid; |
| 25 | __entry->start = start; |
| 26 | __entry->duration = duration; |
| 27 | ), |
| 28 | |
| 29 | TP_printk("%8s:%d start %llu.%09u duration %llu ns", |
| 30 | __entry->comm, |
| 31 | __entry->pid, |
| 32 | __print_ns_to_secs(__entry->start), |
| 33 | __print_ns_without_secs(__entry->start), |
| 34 | __entry->duration) |
| 35 | ); |
| 36 | |
| 37 | TRACE_EVENT(softirq_noise, |
| 38 | |
| 39 | TP_PROTO(int vector, u64 start, u64 duration), |
| 40 | |
| 41 | TP_ARGS(vector, start, duration), |
| 42 | |
| 43 | TP_STRUCT__entry( |
| 44 | __field( u64, start ) |
| 45 | __field( u64, duration) |
| 46 | __field( int, vector ) |
| 47 | ), |
| 48 | |
| 49 | TP_fast_assign( |
| 50 | __entry->vector = vector; |
| 51 | __entry->start = start; |
| 52 | __entry->duration = duration; |
| 53 | ), |
| 54 | |
| 55 | TP_printk("%8s:%d start %llu.%09u duration %llu ns", |
| 56 | show_softirq_name(__entry->vector), |
| 57 | __entry->vector, |
| 58 | __print_ns_to_secs(__entry->start), |
| 59 | __print_ns_without_secs(__entry->start), |
| 60 | __entry->duration) |
| 61 | ); |
| 62 | |
| 63 | TRACE_EVENT(irq_noise, |
| 64 | |
| 65 | TP_PROTO(int vector, const char *desc, u64 start, u64 duration), |
| 66 | |
| 67 | TP_ARGS(vector, desc, start, duration), |
| 68 | |
| 69 | TP_STRUCT__entry( |
| 70 | __field( u64, start ) |
| 71 | __field( u64, duration) |
| 72 | __string( desc, desc ) |
| 73 | __field( int, vector ) |
| 74 | |
| 75 | ), |
| 76 | |
| 77 | TP_fast_assign( |
| 78 | __assign_str(desc, desc); |
| 79 | __entry->vector = vector; |
| 80 | __entry->start = start; |
| 81 | __entry->duration = duration; |
| 82 | ), |
| 83 | |
| 84 | TP_printk("%s:%d start %llu.%09u duration %llu ns", |
| 85 | __get_str(desc), |
| 86 | __entry->vector, |
| 87 | __print_ns_to_secs(__entry->start), |
| 88 | __print_ns_without_secs(__entry->start), |
| 89 | __entry->duration) |
| 90 | ); |
| 91 | |
| 92 | TRACE_EVENT(nmi_noise, |
| 93 | |
| 94 | TP_PROTO(u64 start, u64 duration), |
| 95 | |
| 96 | TP_ARGS(start, duration), |
| 97 | |
| 98 | TP_STRUCT__entry( |
| 99 | __field( u64, start ) |
| 100 | __field( u64, duration) |
| 101 | ), |
| 102 | |
| 103 | TP_fast_assign( |
| 104 | __entry->start = start; |
| 105 | __entry->duration = duration; |
| 106 | ), |
| 107 | |
| 108 | TP_printk("start %llu.%09u duration %llu ns", |
| 109 | __print_ns_to_secs(__entry->start), |
| 110 | __print_ns_without_secs(__entry->start), |
| 111 | __entry->duration) |
| 112 | ); |
| 113 | |
| 114 | TRACE_EVENT(sample_threshold, |
| 115 | |
| 116 | TP_PROTO(u64 start, u64 duration, u64 interference), |
| 117 | |
| 118 | TP_ARGS(start, duration, interference), |
| 119 | |
| 120 | TP_STRUCT__entry( |
| 121 | __field( u64, start ) |
| 122 | __field( u64, duration) |
| 123 | __field( u64, interference) |
| 124 | ), |
| 125 | |
| 126 | TP_fast_assign( |
| 127 | __entry->start = start; |
| 128 | __entry->duration = duration; |
| 129 | __entry->interference = interference; |
| 130 | ), |
| 131 | |
| 132 | TP_printk("start %llu.%09u duration %llu ns interference %llu", |
| 133 | __print_ns_to_secs(__entry->start), |
| 134 | __print_ns_without_secs(__entry->start), |
| 135 | __entry->duration, |
| 136 | __entry->interference) |
| 137 | ); |
| 138 | |
| 139 | #endif /* _TRACE_OSNOISE_H */ |
| 140 | |
| 141 | /* This part must be outside protection */ |
| 142 | #include <trace/define_trace.h> |
| 143 |
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