1#undef TRACE_SYSTEM
 2#define TRACE_SYSTEM ipi
 3
 4#if !defined(_TRACE_IPI_H) || defined(TRACE_HEADER_MULTI_READ)
 5#define _TRACE_IPI_H
 6
 7#include <linux/tracepoint.h>
 8
 9/**
10 * ipi_raise - called when a smp cross call is made
11 *
12 * @mask: mask of recipient CPUs for the IPI
13 * @reason: string identifying the IPI purpose
14 *
15 * It is necessary for @reason to be a static string declared with
16 * __tracepoint_string.
17 */
18TRACE_EVENT(ipi_raise,
19
20	TP_PROTO(const struct cpumask *mask, const char *reason),
21
22	TP_ARGS(mask, reason),
23
24	TP_STRUCT__entry(
25		__bitmask(target_cpus, nr_cpumask_bits)
26		__field(const char *, reason)
27	),
28
29	TP_fast_assign(
30		__assign_bitmask(target_cpus, cpumask_bits(mask), nr_cpumask_bits);
31		__entry->reason = reason;
32	),
33
34	TP_printk("target_mask=%s (%s)", __get_bitmask(target_cpus), __entry->reason)
35);
36
37DECLARE_EVENT_CLASS(ipi_handler,
38
39	TP_PROTO(const char *reason),
40
41	TP_ARGS(reason),
42
43	TP_STRUCT__entry(
44		__field(const char *, reason)
45	),
46
47	TP_fast_assign(
48		__entry->reason = reason;
49	),
50
51	TP_printk("(%s)", __entry->reason)
52);
53
54/**
55 * ipi_entry - called immediately before the IPI handler
56 *
57 * @reason: string identifying the IPI purpose
58 *
59 * It is necessary for @reason to be a static string declared with
60 * __tracepoint_string, ideally the same as used with trace_ipi_raise
61 * for that IPI.
62 */
63DEFINE_EVENT(ipi_handler, ipi_entry,
64
65	TP_PROTO(const char *reason),
66
67	TP_ARGS(reason)
68);
69
70/**
71 * ipi_exit - called immediately after the IPI handler returns
72 *
73 * @reason: string identifying the IPI purpose
74 *
75 * It is necessary for @reason to be a static string declared with
76 * __tracepoint_string, ideally the same as used with trace_ipi_raise for
77 * that IPI.
78 */
79DEFINE_EVENT(ipi_handler, ipi_exit,
80
81	TP_PROTO(const char *reason),
82
83	TP_ARGS(reason)
84);
85
86#endif /* _TRACE_IPI_H */
87
88/* This part must be outside protection */
89#include <trace/define_trace.h>