1 #ifdef CONFIG_PREEMPTIRQ_TRACEPOINTS
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(s32, caller_offs)
22 		__field(s32, parent_offs)
23 	),
24 
25 	TP_fast_assign(
26 		__entry->caller_offs = (s32)(ip - (unsigned long)_stext);
27 		__entry->parent_offs = (s32)(parent_ip - (unsigned long)_stext);
28 	),
29 
30 	TP_printk("caller=%pS parent=%pS",
31 		  (void *)((unsigned long)(_stext) + __entry->caller_offs),
32 		  (void *)((unsigned long)(_stext) + __entry->parent_offs))
33 );
34 
35 #ifdef CONFIG_TRACE_IRQFLAGS
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 #else
44 #define trace_irq_enable(...)
45 #define trace_irq_disable(...)
46 #define trace_irq_enable_rcuidle(...)
47 #define trace_irq_disable_rcuidle(...)
48 #endif
49 
50 #ifdef CONFIG_TRACE_PREEMPT_TOGGLE
51 DEFINE_EVENT(preemptirq_template, preempt_disable,
52 	     TP_PROTO(unsigned long ip, unsigned long parent_ip),
53 	     TP_ARGS(ip, parent_ip));
54 
55 DEFINE_EVENT(preemptirq_template, preempt_enable,
56 	     TP_PROTO(unsigned long ip, unsigned long parent_ip),
57 	     TP_ARGS(ip, parent_ip));
58 #else
59 #define trace_preempt_enable(...)
60 #define trace_preempt_disable(...)
61 #define trace_preempt_enable_rcuidle(...)
62 #define trace_preempt_disable_rcuidle(...)
63 #endif
64 
65 #endif /* _TRACE_PREEMPTIRQ_H */
66 
67 #include <trace/define_trace.h>
68 
69 #else /* !CONFIG_PREEMPTIRQ_TRACEPOINTS */
70 #define trace_irq_enable(...)
71 #define trace_irq_disable(...)
72 #define trace_irq_enable_rcuidle(...)
73 #define trace_irq_disable_rcuidle(...)
74 #define trace_preempt_enable(...)
75 #define trace_preempt_disable(...)
76 #define trace_preempt_enable_rcuidle(...)
77 #define trace_preempt_disable_rcuidle(...)
78 #endif
79