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61baff6e MJ |
1 | // SPDX-FileCopyrightText: 2017 Michael Jeanson <mjeanson@efficios.com> |
2 | // | |
3 | // SPDX-License-Identifier: GPL-2.0-only | |
4 | ||
0bcebe87 MJ |
5 | #ifdef CONFIG_PREEMPTIRQ_EVENTS |
6 | ||
7 | #undef TRACE_SYSTEM | |
8 | #define TRACE_SYSTEM preemptirq | |
9 | ||
10 | #if !defined(LTTNG_TRACE_PREEMPTIRQ_H) || defined(TRACE_HEADER_MULTI_READ) | |
11 | #define LTTNG_TRACE_PREEMPTIRQ_H | |
12 | ||
13 | #include <linux/ktime.h> | |
14 | #include <linux/string.h> | |
15 | #include <asm/sections.h> | |
3b4aafcb | 16 | #include <lttng/tracepoint-event.h> |
0bcebe87 | 17 | |
67325059 MJ |
18 | /* |
19 | * The preemptirq probe is built when CONFIG_PREEMPTIRQ_EVENTS is defined. | |
20 | */ | |
0bcebe87 MJ |
21 | |
22 | LTTNG_TRACEPOINT_EVENT_CLASS(preemptirq_template, | |
23 | ||
24 | TP_PROTO(unsigned long ip, unsigned long parent_ip), | |
25 | ||
26 | TP_ARGS(ip, parent_ip), | |
27 | ||
28 | TP_FIELDS( | |
29 | ctf_integer_hex(unsigned long, caller, ip) | |
30 | ctf_integer_hex(unsigned long, parent, parent_ip) | |
31 | ) | |
32 | ) | |
33 | ||
67325059 MJ |
34 | /* |
35 | * Tracing of irq enable / disable events is enabled | |
36 | * on >= 4.19 when CONFIG_TRACE_IRQFLAGS is defined. | |
37 | * on previous kernels when CONFIG_PROVE_LOCKING is NOT defined. | |
38 | */ | |
39 | #if defined(CONFIG_TRACE_IRQFLAGS) | |
40 | #define LTTNG_TRACE_IRQ | |
5f4c791e | 41 | #elif (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,19,0) && \ |
67325059 MJ |
42 | !defined(CONFIG_PROVE_LOCKING)) |
43 | #define LTTNG_TRACE_IRQ | |
44 | #endif | |
45 | ||
46 | #ifdef LTTNG_TRACE_IRQ | |
0bcebe87 MJ |
47 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(preemptirq_template, irq_disable, |
48 | ||
49 | preemptirq_irq_disable, | |
50 | ||
51 | TP_PROTO(unsigned long ip, unsigned long parent_ip), | |
52 | ||
53 | TP_ARGS(ip, parent_ip) | |
54 | ) | |
55 | ||
56 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(preemptirq_template, irq_enable, | |
57 | ||
58 | preemptirq_irq_enable, | |
59 | ||
60 | TP_PROTO(unsigned long ip, unsigned long parent_ip), | |
61 | ||
62 | TP_ARGS(ip, parent_ip) | |
63 | ) | |
67325059 MJ |
64 | #endif /* LTTNG_TRACE_IRQ */ |
65 | ||
66 | /* | |
67 | * Tracing of preempt enable / disable events is enabled | |
68 | * on >= 4.19 when CONFIG_TRACE_PREEMPT_TOGGLE is defined. | |
69 | * on previous kernels when CONFIG_DEBUG_PREEMPT is defined. | |
70 | */ | |
71 | #if defined(CONFIG_TRACE_PREEMPT_TOGGLE) | |
72 | #define LTTNG_TRACE_PREEMPT | |
5f4c791e | 73 | #elif (LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(4,19,0) && \ |
67325059 MJ |
74 | defined(CONFIG_DEBUG_PREEMPT)) |
75 | #define LTTNG_TRACE_PREEMPT | |
76 | #endif | |
77 | ||
78 | #ifdef LTTNG_TRACE_PREEMPT | |
0bcebe87 MJ |
79 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(preemptirq_template, preempt_disable, |
80 | ||
81 | preemptirq_preempt_disable, | |
82 | ||
83 | TP_PROTO(unsigned long ip, unsigned long parent_ip), | |
84 | ||
85 | TP_ARGS(ip, parent_ip) | |
86 | ) | |
87 | ||
88 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(preemptirq_template, preempt_enable, | |
89 | ||
90 | preemptirq_preempt_enable, | |
91 | ||
92 | TP_PROTO(unsigned long ip, unsigned long parent_ip), | |
93 | ||
94 | TP_ARGS(ip, parent_ip) | |
95 | ) | |
67325059 | 96 | #endif /* LTTNG_TRACE_PREEMPT */ |
0bcebe87 MJ |
97 | |
98 | #endif /* LTTNG_TRACE_PREEMPTIRQ_H */ | |
99 | ||
100 | /* This part must be outside protection */ | |
3b4aafcb | 101 | #include <lttng/define_trace.h> |
0bcebe87 MJ |
102 | |
103 | #endif /* CONFIG_PREEMPTIRQ_EVENTS */ |