summaryrefslogtreecommitdiff
path: root/include/trace/events/huge_memory.h
blob: 551ba4acde4d89497aacb901b2ceba2a0fa2d6fc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
#undef TRACE_SYSTEM
#define TRACE_SYSTEM huge_memory

#if !defined(__HUGE_MEMORY_H) || defined(TRACE_HEADER_MULTI_READ)
#define __HUGE_MEMORY_H

#include  <linux/tracepoint.h>

#define SCAN_STATUS							\
	EM( SCAN_FAIL,			"failed")			\
	EM( SCAN_SUCCEED,		"succeeded")			\
	EM( SCAN_PMD_NULL,		"pmd_null")			\
	EM( SCAN_EXCEED_NONE_PTE,	"exceed_none_pte")		\
	EM( SCAN_PTE_NON_PRESENT,	"pte_non_present")		\
	EM( SCAN_PAGE_RO,		"no_writable_page")		\
	EM( SCAN_NO_REFERENCED_PAGE,	"no_referenced_page")		\
	EM( SCAN_PAGE_NULL,		"page_null")			\
	EM( SCAN_SCAN_ABORT,		"scan_aborted")			\
	EM( SCAN_PAGE_COUNT,		"not_suitable_page_count")	\
	EM( SCAN_PAGE_LRU,		"page_not_in_lru")		\
	EM( SCAN_PAGE_LOCK,		"page_locked")			\
	EM( SCAN_PAGE_ANON,		"page_not_anon")		\
	EM( SCAN_PAGE_COMPOUND,		"page_compound")		\
	EM( SCAN_ANY_PROCESS,		"no_process_for_page")		\
	EM( SCAN_VMA_NULL,		"vma_null")			\
	EM( SCAN_VMA_CHECK,		"vma_check_failed")		\
	EM( SCAN_ADDRESS_RANGE,		"not_suitable_address_range")	\
	EM( SCAN_SWAP_CACHE_PAGE,	"page_swap_cache")		\
	EM( SCAN_DEL_PAGE_LRU,		"could_not_delete_page_from_lru")\
	EM( SCAN_ALLOC_HUGE_PAGE_FAIL,	"alloc_huge_page_failed")	\
	EMe( SCAN_CGROUP_CHARGE_FAIL,	"ccgroup_charge_failed")

#undef EM
#undef EMe
#define EM(a, b)	TRACE_DEFINE_ENUM(a);
#define EMe(a, b)	TRACE_DEFINE_ENUM(a);

SCAN_STATUS

#undef EM
#undef EMe
#define EM(a, b)	{a, b},
#define EMe(a, b)	{a, b}

TRACE_EVENT(mm_khugepaged_scan_pmd,

	TP_PROTO(struct mm_struct *mm, struct page *page, bool writable,
		 bool referenced, int none_or_zero, int status),

	TP_ARGS(mm, page, writable, referenced, none_or_zero, status),

	TP_STRUCT__entry(
		__field(struct mm_struct *, mm)
		__field(unsigned long, pfn)
		__field(bool, writable)
		__field(bool, referenced)
		__field(int, none_or_zero)
		__field(int, status)
	),

	TP_fast_assign(
		__entry->mm = mm;
		__entry->pfn = page ? page_to_pfn(page) : -1;
		__entry->writable = writable;
		__entry->referenced = referenced;
		__entry->none_or_zero = none_or_zero;
		__entry->status = status;
	),

	TP_printk("mm=%p, scan_pfn=0x%lx, writable=%d, referenced=%d, none_or_zero=%d, status=%s",
		__entry->mm,
		__entry->pfn,
		__entry->writable,
		__entry->referenced,
		__entry->none_or_zero,
		__print_symbolic(__entry->status, SCAN_STATUS))
);

TRACE_EVENT(mm_collapse_huge_page,

	TP_PROTO(struct mm_struct *mm, int isolated, int status),

	TP_ARGS(mm, isolated, status),

	TP_STRUCT__entry(
		__field(struct mm_struct *, mm)
		__field(int, isolated)
		__field(int, status)
	),

	TP_fast_assign(
		__entry->mm = mm;
		__entry->isolated = isolated;
		__entry->status = status;
	),

	TP_printk("mm=%p, isolated=%d, status=%s",
		__entry->mm,
		__entry->isolated,
		__print_symbolic(__entry->status, SCAN_STATUS))
);

TRACE_EVENT(mm_collapse_huge_page_isolate,

	TP_PROTO(struct page *page, int none_or_zero,
		 bool referenced, bool  writable, int status),

	TP_ARGS(page, none_or_zero, referenced, writable, status),

	TP_STRUCT__entry(
		__field(unsigned long, pfn)
		__field(int, none_or_zero)
		__field(bool, referenced)
		__field(bool, writable)
		__field(int, status)
	),

	TP_fast_assign(
		__entry->pfn = page ? page_to_pfn(page) : -1;
		__entry->none_or_zero = none_or_zero;
		__entry->referenced = referenced;
		__entry->writable = writable;
		__entry->status = status;
	),

	TP_printk("scan_pfn=0x%lx, none_or_zero=%d, referenced=%d, writable=%d, status=%s",
		__entry->pfn,
		__entry->none_or_zero,
		__entry->referenced,
		__entry->writable,
		__print_symbolic(__entry->status, SCAN_STATUS))
);

#endif /* __HUGE_MEMORY_H */
#include <trace/define_trace.h>