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