143 lines · c
1/* SPDX-License-Identifier: GPL-2.0 */2#undef TRACE_SYSTEM3#define TRACE_SYSTEM osnoise4 5#if !defined(_OSNOISE_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)6#define _OSNOISE_TRACE_H7 8#include <linux/tracepoint.h>9TRACE_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 37TRACE_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 63TRACE_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);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 92TRACE_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 114TRACE_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