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 */
19TRACE_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
38TRACE_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
60TRACE_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
82DECLARE_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 */
108DEFINE_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 */
124DEFINE_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