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b7aba698 MG |
1 | #undef TRACE_SYSTEM |
2 | #define TRACE_SYSTEM compaction | |
3 | ||
4 | #if !defined(_TRACE_COMPACTION_H) || defined(TRACE_HEADER_MULTI_READ) | |
5 | #define _TRACE_COMPACTION_H | |
6 | ||
7 | #include <linux/types.h> | |
f8c9301f | 8 | #include <linux/list.h> |
b7aba698 | 9 | #include <linux/tracepoint.h> |
a1ce3928 | 10 | #include <trace/events/gfpflags.h> |
b7aba698 MG |
11 | |
12 | DECLARE_EVENT_CLASS(mm_compaction_isolate_template, | |
13 | ||
14 | TP_PROTO(unsigned long nr_scanned, | |
15 | unsigned long nr_taken), | |
16 | ||
17 | TP_ARGS(nr_scanned, nr_taken), | |
18 | ||
19 | TP_STRUCT__entry( | |
20 | __field(unsigned long, nr_scanned) | |
21 | __field(unsigned long, nr_taken) | |
22 | ), | |
23 | ||
24 | TP_fast_assign( | |
25 | __entry->nr_scanned = nr_scanned; | |
26 | __entry->nr_taken = nr_taken; | |
27 | ), | |
28 | ||
29 | TP_printk("nr_scanned=%lu nr_taken=%lu", | |
30 | __entry->nr_scanned, | |
31 | __entry->nr_taken) | |
32 | ); | |
33 | ||
34 | DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_migratepages, | |
35 | ||
36 | TP_PROTO(unsigned long nr_scanned, | |
37 | unsigned long nr_taken), | |
38 | ||
39 | TP_ARGS(nr_scanned, nr_taken) | |
40 | ); | |
41 | ||
42 | DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_freepages, | |
43 | TP_PROTO(unsigned long nr_scanned, | |
44 | unsigned long nr_taken), | |
45 | ||
46 | TP_ARGS(nr_scanned, nr_taken) | |
47 | ); | |
48 | ||
49 | TRACE_EVENT(mm_compaction_migratepages, | |
50 | ||
f8c9301f VB |
51 | TP_PROTO(unsigned long nr_all, |
52 | int migrate_rc, | |
53 | struct list_head *migratepages), | |
b7aba698 | 54 | |
f8c9301f | 55 | TP_ARGS(nr_all, migrate_rc, migratepages), |
b7aba698 MG |
56 | |
57 | TP_STRUCT__entry( | |
58 | __field(unsigned long, nr_migrated) | |
59 | __field(unsigned long, nr_failed) | |
60 | ), | |
61 | ||
62 | TP_fast_assign( | |
f8c9301f VB |
63 | unsigned long nr_failed = 0; |
64 | struct list_head *page_lru; | |
65 | ||
66 | /* | |
67 | * migrate_pages() returns either a non-negative number | |
68 | * with the number of pages that failed migration, or an | |
69 | * error code, in which case we need to count the remaining | |
70 | * pages manually | |
71 | */ | |
72 | if (migrate_rc >= 0) | |
73 | nr_failed = migrate_rc; | |
74 | else | |
75 | list_for_each(page_lru, migratepages) | |
76 | nr_failed++; | |
77 | ||
78 | __entry->nr_migrated = nr_all - nr_failed; | |
b7aba698 MG |
79 | __entry->nr_failed = nr_failed; |
80 | ), | |
81 | ||
82 | TP_printk("nr_migrated=%lu nr_failed=%lu", | |
83 | __entry->nr_migrated, | |
84 | __entry->nr_failed) | |
85 | ); | |
86 | ||
0eb927c0 MG |
87 | TRACE_EVENT(mm_compaction_begin, |
88 | TP_PROTO(unsigned long zone_start, unsigned long migrate_start, | |
89 | unsigned long free_start, unsigned long zone_end), | |
90 | ||
91 | TP_ARGS(zone_start, migrate_start, free_start, zone_end), | |
92 | ||
93 | TP_STRUCT__entry( | |
94 | __field(unsigned long, zone_start) | |
95 | __field(unsigned long, migrate_start) | |
96 | __field(unsigned long, free_start) | |
97 | __field(unsigned long, zone_end) | |
98 | ), | |
99 | ||
100 | TP_fast_assign( | |
101 | __entry->zone_start = zone_start; | |
102 | __entry->migrate_start = migrate_start; | |
103 | __entry->free_start = free_start; | |
104 | __entry->zone_end = zone_end; | |
105 | ), | |
106 | ||
4645f063 | 107 | TP_printk("zone_start=0x%lx migrate_start=0x%lx free_start=0x%lx zone_end=0x%lx", |
0eb927c0 MG |
108 | __entry->zone_start, |
109 | __entry->migrate_start, | |
110 | __entry->free_start, | |
111 | __entry->zone_end) | |
112 | ); | |
113 | ||
114 | TRACE_EVENT(mm_compaction_end, | |
115 | TP_PROTO(int status), | |
116 | ||
117 | TP_ARGS(status), | |
118 | ||
119 | TP_STRUCT__entry( | |
120 | __field(int, status) | |
121 | ), | |
122 | ||
123 | TP_fast_assign( | |
124 | __entry->status = status; | |
125 | ), | |
126 | ||
127 | TP_printk("status=%d", __entry->status) | |
128 | ); | |
b7aba698 MG |
129 | |
130 | #endif /* _TRACE_COMPACTION_H */ | |
131 | ||
132 | /* This part must be outside protection */ | |
133 | #include <trace/define_trace.h> |