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
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
38DECLARE_EVENT_CLASS(ipi_handler,
39
40	TP_PROTO(const char *reason),
41
42	TP_ARGS(reason),
43
44	TP_STRUCT__entry(
45		__field(const char *, reason)
46	),
47
48	TP_fast_assign(
49		__entry->reason = reason;
50	),
51
52	TP_printk("(%s)", __entry->reason)
53);
54
55/**
56 * ipi_entry - called immediately before the IPI handler
57 *
58 * @reason: string identifying the IPI purpose
59 *
60 * It is necessary for @reason to be a static string declared with
61 * __tracepoint_string, ideally the same as used with trace_ipi_raise
62 * for that IPI.
63 */
64DEFINE_EVENT(ipi_handler, ipi_entry,
65
66	TP_PROTO(const char *reason),
67
68	TP_ARGS(reason)
69);
70
71/**
72 * ipi_exit - called immediately after the IPI handler returns
73 *
74 * @reason: string identifying the IPI purpose
75 *
76 * It is necessary for @reason to be a static string declared with
77 * __tracepoint_string, ideally the same as used with trace_ipi_raise for
78 * that IPI.
79 */
80DEFINE_EVENT(ipi_handler, ipi_exit,
81
82	TP_PROTO(const char *reason),
83
84	TP_ARGS(reason)
85);
86
87#endif /* _TRACE_IPI_H */
88
89/* This part must be outside protection */
90#include <trace/define_trace.h>

  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>