Commit | Line | Data |
---|---|---|
f6d9804d NP |
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 | */ | |
18 | TRACE_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 | ||
37 | DECLARE_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 | */ | |
63 | DEFINE_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 | */ | |
79 | DEFINE_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> |