| /* SPDX-License-Identifier: GPL-2.0 */ |
| #undef TRACE_SYSTEM |
| #define TRACE_SYSTEM osnoise |
| |
| #if !defined(_OSNOISE_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) |
| #define _OSNOISE_TRACE_H |
| |
| #include <linux/tracepoint.h> |
| TRACE_EVENT(thread_noise, |
| |
| TP_PROTO(struct task_struct *t, u64 start, u64 duration), |
| |
| TP_ARGS(t, start, duration), |
| |
| TP_STRUCT__entry( |
| __array( char, comm, TASK_COMM_LEN) |
| __field( u64, start ) |
| __field( u64, duration) |
| __field( pid_t, pid ) |
| ), |
| |
| TP_fast_assign( |
| memcpy(__entry->comm, t->comm, TASK_COMM_LEN); |
| __entry->pid = t->pid; |
| __entry->start = start; |
| __entry->duration = duration; |
| ), |
| |
| TP_printk("%8s:%d start %llu.%09u duration %llu ns", |
| __entry->comm, |
| __entry->pid, |
| __print_ns_to_secs(__entry->start), |
| __print_ns_without_secs(__entry->start), |
| __entry->duration) |
| ); |
| |
| TRACE_EVENT(softirq_noise, |
| |
| TP_PROTO(int vector, u64 start, u64 duration), |
| |
| TP_ARGS(vector, start, duration), |
| |
| TP_STRUCT__entry( |
| __field( u64, start ) |
| __field( u64, duration) |
| __field( int, vector ) |
| ), |
| |
| TP_fast_assign( |
| __entry->vector = vector; |
| __entry->start = start; |
| __entry->duration = duration; |
| ), |
| |
| TP_printk("%8s:%d start %llu.%09u duration %llu ns", |
| show_softirq_name(__entry->vector), |
| __entry->vector, |
| __print_ns_to_secs(__entry->start), |
| __print_ns_without_secs(__entry->start), |
| __entry->duration) |
| ); |
| |
| TRACE_EVENT(irq_noise, |
| |
| TP_PROTO(int vector, const char *desc, u64 start, u64 duration), |
| |
| TP_ARGS(vector, desc, start, duration), |
| |
| TP_STRUCT__entry( |
| __field( u64, start ) |
| __field( u64, duration) |
| __string( desc, desc ) |
| __field( int, vector ) |
| |
| ), |
| |
| TP_fast_assign( |
| __assign_str(desc); |
| __entry->vector = vector; |
| __entry->start = start; |
| __entry->duration = duration; |
| ), |
| |
| TP_printk("%s:%d start %llu.%09u duration %llu ns", |
| __get_str(desc), |
| __entry->vector, |
| __print_ns_to_secs(__entry->start), |
| __print_ns_without_secs(__entry->start), |
| __entry->duration) |
| ); |
| |
| TRACE_EVENT(nmi_noise, |
| |
| TP_PROTO(u64 start, u64 duration), |
| |
| TP_ARGS(start, duration), |
| |
| TP_STRUCT__entry( |
| __field( u64, start ) |
| __field( u64, duration) |
| ), |
| |
| TP_fast_assign( |
| __entry->start = start; |
| __entry->duration = duration; |
| ), |
| |
| TP_printk("start %llu.%09u duration %llu ns", |
| __print_ns_to_secs(__entry->start), |
| __print_ns_without_secs(__entry->start), |
| __entry->duration) |
| ); |
| |
| TRACE_EVENT(sample_threshold, |
| |
| TP_PROTO(u64 start, u64 duration, u64 interference), |
| |
| TP_ARGS(start, duration, interference), |
| |
| TP_STRUCT__entry( |
| __field( u64, start ) |
| __field( u64, duration) |
| __field( u64, interference) |
| ), |
| |
| TP_fast_assign( |
| __entry->start = start; |
| __entry->duration = duration; |
| __entry->interference = interference; |
| ), |
| |
| TP_printk("start %llu.%09u duration %llu ns interference %llu", |
| __print_ns_to_secs(__entry->start), |
| __print_ns_without_secs(__entry->start), |
| __entry->duration, |
| __entry->interference) |
| ); |
| |
| #endif /* _TRACE_OSNOISE_H */ |
| |
| /* This part must be outside protection */ |
| #include <trace/define_trace.h> |