1 #ifdef CONFIG_PREEMPTIRQ_EVENTS
2 
3 #undef TRACE_SYSTEM
4 #define TRACE_SYSTEM preemptirq
5 
6 #if !defined(_TRACE_PREEMPTIRQ_H) || defined(TRACE_HEADER_MULTI_READ)
7 #define _TRACE_PREEMPTIRQ_H
8 
9 #include <linux/ktime.h>
10 #include <linux/tracepoint.h>
11 #include <linux/string.h>
12 #include <asm/sections.h>
13 
14 DECLARE_EVENT_CLASS(preemptirq_template,
15 
16 	TP_PROTO(unsigned long ip, unsigned long parent_ip),
17 
18 	TP_ARGS(ip, parent_ip),
19 
20 	TP_STRUCT__entry(
21 		__field(u32, caller_offs)
22 		__field(u32, parent_offs)
23 	),
24 
25 	TP_fast_assign(
26 		__entry->caller_offs = (u32)(ip - (unsigned long)_stext);
27 		__entry->parent_offs = (u32)(parent_ip - (unsigned long)_stext);
28 	),
29 
30 	TP_printk("caller=%pF parent=%pF",
31 		  (void *)((unsigned long)(_stext) + __entry->caller_offs),
32 		  (void *)((unsigned long)(_stext) + __entry->parent_offs))
33 );
34 
35 #ifndef CONFIG_PROVE_LOCKING
36 DEFINE_EVENT(preemptirq_template, irq_disable,
37 	     TP_PROTO(unsigned long ip, unsigned long parent_ip),
38 	     TP_ARGS(ip, parent_ip));
39 
40 DEFINE_EVENT(preemptirq_template, irq_enable,
41 	     TP_PROTO(unsigned long ip, unsigned long parent_ip),
42 	     TP_ARGS(ip, parent_ip));
43 #endif
44 
45 #ifdef CONFIG_DEBUG_PREEMPT
46 DEFINE_EVENT(preemptirq_template, preempt_disable,
47 	     TP_PROTO(unsigned long ip, unsigned long parent_ip),
48 	     TP_ARGS(ip, parent_ip));
49 
50 DEFINE_EVENT(preemptirq_template, preempt_enable,
51 	     TP_PROTO(unsigned long ip, unsigned long parent_ip),
52 	     TP_ARGS(ip, parent_ip));
53 #endif
54 
55 #endif /* _TRACE_PREEMPTIRQ_H */
56 
57 #include <trace/define_trace.h>
58 
59 #endif /* !CONFIG_PREEMPTIRQ_EVENTS */
60 
61 #if !defined(CONFIG_PREEMPTIRQ_EVENTS) || defined(CONFIG_PROVE_LOCKING)
62 #define trace_irq_enable(...)
63 #define trace_irq_disable(...)
64 #define trace_irq_enable_rcuidle(...)
65 #define trace_irq_disable_rcuidle(...)
66 #endif
67 
68 #if !defined(CONFIG_PREEMPTIRQ_EVENTS) || !defined(CONFIG_DEBUG_PREEMPT)
69 #define trace_preempt_enable(...)
70 #define trace_preempt_disable(...)
71 #define trace_preempt_enable_rcuidle(...)
72 #define trace_preempt_disable_rcuidle(...)
73 #endif
74