tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
14DECLARE_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
36DEFINE_EVENT(preemptirq_template, irq_disable,
37 TP_PROTO(unsigned long ip, unsigned long parent_ip),
38 TP_ARGS(ip, parent_ip));
39
40DEFINE_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#endif
47
48#ifdef CONFIG_TRACE_PREEMPT_TOGGLE
49DEFINE_EVENT(preemptirq_template, preempt_disable,
50 TP_PROTO(unsigned long ip, unsigned long parent_ip),
51 TP_ARGS(ip, parent_ip));
52
53DEFINE_EVENT(preemptirq_template, preempt_enable,
54 TP_PROTO(unsigned long ip, unsigned long parent_ip),
55 TP_ARGS(ip, parent_ip));
56#else
57#define trace_preempt_enable(...)
58#define trace_preempt_disable(...)
59#endif
60
61#endif /* _TRACE_PREEMPTIRQ_H */
62
63#include <trace/define_trace.h>
64
65#else /* !CONFIG_PREEMPTIRQ_TRACEPOINTS */
66#define trace_irq_enable(...)
67#define trace_irq_disable(...)
68#define trace_preempt_enable(...)
69#define trace_preempt_disable(...)
70#endif