1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #undef TRACE_SYSTEM |
3 | #define TRACE_SYSTEM ipi |
4 | |
5 | #if !defined(_TRACE_IPI_H) || defined(TRACE_HEADER_MULTI_READ) |
6 | #define _TRACE_IPI_H |
7 | |
8 | #include <linux/tracepoint.h> |
9 | |
10 | /** |
11 | * ipi_raise - called when a smp cross call is made |
12 | * |
13 | * @mask: mask of recipient CPUs for the IPI |
14 | * @reason: string identifying the IPI purpose |
15 | * |
16 | * It is necessary for @reason to be a static string declared with |
17 | * __tracepoint_string. |
18 | */ |
19 | TRACE_EVENT(ipi_raise, |
20 | |
21 | TP_PROTO(const struct cpumask *mask, const char *reason), |
22 | |
23 | TP_ARGS(mask, reason), |
24 | |
25 | TP_STRUCT__entry( |
26 | __bitmask(target_cpus, nr_cpumask_bits) |
27 | __field(const char *, reason) |
28 | ), |
29 | |
30 | TP_fast_assign( |
31 | __assign_bitmask(target_cpus, cpumask_bits(mask), nr_cpumask_bits); |
32 | __entry->reason = reason; |
33 | ), |
34 | |
35 | TP_printk("target_mask=%s (%s)" , __get_bitmask(target_cpus), __entry->reason) |
36 | ); |
37 | |
38 | TRACE_EVENT(ipi_send_cpu, |
39 | |
40 | TP_PROTO(const unsigned int cpu, unsigned long callsite, void *callback), |
41 | |
42 | TP_ARGS(cpu, callsite, callback), |
43 | |
44 | TP_STRUCT__entry( |
45 | __field(unsigned int, cpu) |
46 | __field(void *, callsite) |
47 | __field(void *, callback) |
48 | ), |
49 | |
50 | TP_fast_assign( |
51 | __entry->cpu = cpu; |
52 | __entry->callsite = (void *)callsite; |
53 | __entry->callback = callback; |
54 | ), |
55 | |
56 | TP_printk("cpu=%u callsite=%pS callback=%pS" , |
57 | __entry->cpu, __entry->callsite, __entry->callback) |
58 | ); |
59 | |
60 | TRACE_EVENT(ipi_send_cpumask, |
61 | |
62 | TP_PROTO(const struct cpumask *cpumask, unsigned long callsite, void *callback), |
63 | |
64 | TP_ARGS(cpumask, callsite, callback), |
65 | |
66 | TP_STRUCT__entry( |
67 | __cpumask(cpumask) |
68 | __field(void *, callsite) |
69 | __field(void *, callback) |
70 | ), |
71 | |
72 | TP_fast_assign( |
73 | __assign_cpumask(cpumask, cpumask_bits(cpumask)); |
74 | __entry->callsite = (void *)callsite; |
75 | __entry->callback = callback; |
76 | ), |
77 | |
78 | TP_printk("cpumask=%s callsite=%pS callback=%pS" , |
79 | __get_cpumask(cpumask), __entry->callsite, __entry->callback) |
80 | ); |
81 | |
82 | DECLARE_EVENT_CLASS(ipi_handler, |
83 | |
84 | TP_PROTO(const char *reason), |
85 | |
86 | TP_ARGS(reason), |
87 | |
88 | TP_STRUCT__entry( |
89 | __field(const char *, reason) |
90 | ), |
91 | |
92 | TP_fast_assign( |
93 | __entry->reason = reason; |
94 | ), |
95 | |
96 | TP_printk("(%s)" , __entry->reason) |
97 | ); |
98 | |
99 | /** |
100 | * ipi_entry - called immediately before the IPI handler |
101 | * |
102 | * @reason: string identifying the IPI purpose |
103 | * |
104 | * It is necessary for @reason to be a static string declared with |
105 | * __tracepoint_string, ideally the same as used with trace_ipi_raise |
106 | * for that IPI. |
107 | */ |
108 | DEFINE_EVENT(ipi_handler, ipi_entry, |
109 | |
110 | TP_PROTO(const char *reason), |
111 | |
112 | TP_ARGS(reason) |
113 | ); |
114 | |
115 | /** |
116 | * ipi_exit - called immediately after the IPI handler returns |
117 | * |
118 | * @reason: string identifying the IPI purpose |
119 | * |
120 | * It is necessary for @reason to be a static string declared with |
121 | * __tracepoint_string, ideally the same as used with trace_ipi_raise for |
122 | * that IPI. |
123 | */ |
124 | DEFINE_EVENT(ipi_handler, ipi_exit, |
125 | |
126 | TP_PROTO(const char *reason), |
127 | |
128 | TP_ARGS(reason) |
129 | ); |
130 | |
131 | #endif /* _TRACE_IPI_H */ |
132 | |
133 | /* This part must be outside protection */ |
134 | #include <trace/define_trace.h> |
135 | |