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b7cdc182 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
b283666f PW |
2 | /* |
3 | * Because linux/module.h has tracepoints in the header, and ftrace.h | |
4 | * eventually includes this file, define_trace.h includes linux/module.h | |
5 | * But we do not want the module.h to override the TRACE_SYSTEM macro | |
6 | * variable that define_trace.h is processing, so we only set it | |
7 | * when module events are being processed, which would happen when | |
8 | * CREATE_TRACE_POINTS is defined. | |
9 | */ | |
10 | #ifdef CREATE_TRACE_POINTS | |
11 | #undef TRACE_SYSTEM | |
12 | #define TRACE_SYSTEM module | |
13 | #endif | |
14 | ||
3bc29f0a MD |
15 | #if !defined(LTTNG_TRACE_MODULE_H) || defined(TRACE_HEADER_MULTI_READ) |
16 | #define LTTNG_TRACE_MODULE_H | |
b283666f | 17 | |
3b4aafcb | 18 | #include <lttng/tracepoint-event.h> |
5f4c791e | 19 | #include <lttng/kernel-version.h> |
5f1c794b | 20 | #include <linux/kernel.h> |
b283666f PW |
21 | |
22 | #ifdef CONFIG_MODULES | |
23 | ||
24 | #ifndef _TRACE_MODULE_DEF | |
25 | #define _TRACE_MODULE_DEF | |
26 | struct module; | |
27 | ||
b283666f PW |
28 | #endif |
29 | ||
5f1c794b FD |
30 | LTTNG_TRACEPOINT_ENUM(taint, |
31 | TP_ENUM_VALUES( | |
32 | ctf_enum_value("PROPRIETARY_MODULE", 1UL << TAINT_PROPRIETARY_MODULE) | |
33 | ctf_enum_value("FORCED_MODULE", 1UL << TAINT_FORCED_MODULE) | |
34 | ctf_enum_value("CPU_OUT_OF_SPEC", 1UL << TAINT_CPU_OUT_OF_SPEC) | |
35 | ctf_enum_value("FORCED_RMMOD", 1UL << TAINT_FORCED_RMMOD) | |
36 | ctf_enum_value("MACHINE_CHECK", 1UL << TAINT_MACHINE_CHECK) | |
37 | ctf_enum_value("BAD_PAGE", 1UL << TAINT_BAD_PAGE) | |
38 | ctf_enum_value("USER", 1UL << TAINT_USER) | |
39 | ctf_enum_value("DIE", 1UL << TAINT_DIE) | |
40 | ctf_enum_value("OVERRIDDEN_ACPI_TABLE", 1UL << TAINT_OVERRIDDEN_ACPI_TABLE) | |
41 | ctf_enum_value("WARN", 1UL << TAINT_WARN) | |
42 | ctf_enum_value("CRAP", 1UL << TAINT_CRAP) | |
43 | ctf_enum_value("FIRMWARE_WORKAROUND", 1UL << TAINT_FIRMWARE_WORKAROUND) | |
5f1c794b | 44 | ctf_enum_value("OOT_MODULE", 1UL << TAINT_OOT_MODULE) |
5f1c794b | 45 | ctf_enum_value("UNSIGNED_MODULE", 1UL << TAINT_UNSIGNED_MODULE) |
5f1c794b | 46 | ctf_enum_value("SOFTLOCKUP", 1UL << TAINT_SOFTLOCKUP) |
5f1c794b | 47 | ctf_enum_value("LIVEPATCH", 1UL << TAINT_LIVEPATCH) |
5f4c791e | 48 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,15,0)) |
5f1c794b FD |
49 | ctf_enum_value("AUX", 1UL << TAINT_AUX) |
50 | #endif | |
5f4c791e | 51 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,17,0)) |
5f1c794b FD |
52 | ctf_enum_value("RANDSTRUCT", 1UL << TAINT_RANDSTRUCT) |
53 | #endif | |
54 | ) | |
55 | ) | |
56 | ||
3bc29f0a | 57 | LTTNG_TRACEPOINT_EVENT(module_load, |
b283666f PW |
58 | |
59 | TP_PROTO(struct module *mod), | |
60 | ||
61 | TP_ARGS(mod), | |
62 | ||
f127e61e | 63 | TP_FIELDS( |
5f1c794b | 64 | ctf_enum(taint, unsigned int, taints, mod->taints) |
f127e61e MD |
65 | ctf_string(name, mod->name) |
66 | ) | |
b283666f PW |
67 | ) |
68 | ||
3bc29f0a | 69 | LTTNG_TRACEPOINT_EVENT(module_free, |
b283666f PW |
70 | |
71 | TP_PROTO(struct module *mod), | |
72 | ||
73 | TP_ARGS(mod), | |
74 | ||
f127e61e MD |
75 | TP_FIELDS( |
76 | ctf_string(name, mod->name) | |
77 | ) | |
b283666f PW |
78 | ) |
79 | ||
80 | #ifdef CONFIG_MODULE_UNLOAD | |
81 | /* trace_module_get/put are only used if CONFIG_MODULE_UNLOAD is defined */ | |
82 | ||
3bc29f0a | 83 | LTTNG_TRACEPOINT_EVENT_CLASS(module_refcnt, |
b283666f PW |
84 | |
85 | TP_PROTO(struct module *mod, unsigned long ip), | |
86 | ||
87 | TP_ARGS(mod, ip), | |
88 | ||
f127e61e | 89 | TP_FIELDS( |
2c054599 | 90 | ctf_integer_hex(unsigned long, ip, ip) |
f127e61e | 91 | ctf_integer(int, refcnt, atomic_read(&mod->refcnt)) |
f127e61e MD |
92 | ctf_string(name, mod->name) |
93 | ) | |
b283666f PW |
94 | ) |
95 | ||
3bc29f0a | 96 | LTTNG_TRACEPOINT_EVENT_INSTANCE(module_refcnt, module_get, |
b283666f PW |
97 | |
98 | TP_PROTO(struct module *mod, unsigned long ip), | |
99 | ||
100 | TP_ARGS(mod, ip) | |
101 | ) | |
102 | ||
3bc29f0a | 103 | LTTNG_TRACEPOINT_EVENT_INSTANCE(module_refcnt, module_put, |
b283666f PW |
104 | |
105 | TP_PROTO(struct module *mod, unsigned long ip), | |
106 | ||
107 | TP_ARGS(mod, ip) | |
108 | ) | |
109 | #endif /* CONFIG_MODULE_UNLOAD */ | |
110 | ||
3bc29f0a | 111 | LTTNG_TRACEPOINT_EVENT(module_request, |
b283666f PW |
112 | |
113 | TP_PROTO(char *name, bool wait, unsigned long ip), | |
114 | ||
115 | TP_ARGS(name, wait, ip), | |
116 | ||
f127e61e | 117 | TP_FIELDS( |
2c054599 | 118 | ctf_integer_hex(unsigned long, ip, ip) |
f127e61e MD |
119 | ctf_integer(bool, wait, wait) |
120 | ctf_string(name, name) | |
121 | ) | |
b283666f PW |
122 | ) |
123 | ||
124 | #endif /* CONFIG_MODULES */ | |
125 | ||
3bc29f0a | 126 | #endif /* LTTNG_TRACE_MODULE_H */ |
b283666f PW |
127 | |
128 | /* This part must be outside protection */ | |
3b4aafcb | 129 | #include <lttng/define_trace.h> |