xref: /linux/include/trace/events/mmap.h (revision b7df4cc3a088a8ce6973c96731bc792dbf54ce28)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #undef TRACE_SYSTEM
3 #define TRACE_SYSTEM mmap
4 
5 #if !defined(_TRACE_MMAP_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define _TRACE_MMAP_H
7 
8 #include <linux/tracepoint.h>
9 
10 TRACE_EVENT(vm_unmapped_area,
11 
12 	TP_PROTO(unsigned long addr, struct vm_unmapped_area_info *info),
13 
14 	TP_ARGS(addr, info),
15 
16 	TP_STRUCT__entry(
17 		__field(unsigned long,	addr)
18 		__field(unsigned long,	total_vm)
19 		__field(unsigned long,	flags)
20 		__field(unsigned long,	length)
21 		__field(unsigned long,	low_limit)
22 		__field(unsigned long,	high_limit)
23 		__field(unsigned long,	align_mask)
24 		__field(unsigned long,	align_offset)
25 	),
26 
27 	TP_fast_assign(
28 		__entry->addr = addr;
29 		__entry->total_vm = current->mm->total_vm;
30 		__entry->flags = info->flags;
31 		__entry->length = info->length;
32 		__entry->low_limit = info->low_limit;
33 		__entry->high_limit = info->high_limit;
34 		__entry->align_mask = info->align_mask;
35 		__entry->align_offset = info->align_offset;
36 	),
37 
38 	TP_printk("addr=0x%lx err=%ld total_vm=0x%lx flags=0x%lx len=0x%lx lo=0x%lx hi=0x%lx mask=0x%lx ofs=0x%lx",
39 		IS_ERR_VALUE(__entry->addr) ? 0 : __entry->addr,
40 		IS_ERR_VALUE(__entry->addr) ? __entry->addr : 0,
41 		__entry->total_vm, __entry->flags, __entry->length,
42 		__entry->low_limit, __entry->high_limit, __entry->align_mask,
43 		__entry->align_offset)
44 );
45 
46 TRACE_EVENT(vma_mas_szero,
47 	TP_PROTO(struct maple_tree *mt, unsigned long start,
48 		 unsigned long end),
49 
50 	TP_ARGS(mt, start, end),
51 
52 	TP_STRUCT__entry(
53 			__field(struct maple_tree *, mt)
54 			__field(unsigned long, start)
55 			__field(unsigned long, end)
56 	),
57 
58 	TP_fast_assign(
59 			__entry->mt		= mt;
60 			__entry->start		= start;
61 			__entry->end		= end;
62 	),
63 
64 	TP_printk("mt_mod %p, (NULL), SNULL, %lu, %lu,",
65 		  __entry->mt,
66 		  (unsigned long) __entry->start,
67 		  (unsigned long) __entry->end
68 	)
69 );
70 
71 TRACE_EVENT(vma_store,
72 	TP_PROTO(struct maple_tree *mt, struct vm_area_struct *vma),
73 
74 	TP_ARGS(mt, vma),
75 
76 	TP_STRUCT__entry(
77 			__field(struct maple_tree *, mt)
78 			__field(struct vm_area_struct *, vma)
79 			__field(unsigned long, vm_start)
80 			__field(unsigned long, vm_end)
81 	),
82 
83 	TP_fast_assign(
84 			__entry->mt		= mt;
85 			__entry->vma		= vma;
86 			__entry->vm_start	= vma->vm_start;
87 			__entry->vm_end		= vma->vm_end - 1;
88 	),
89 
90 	TP_printk("mt_mod %p, (%p), STORE, %lu, %lu,",
91 		  __entry->mt, __entry->vma,
92 		  (unsigned long) __entry->vm_start,
93 		  (unsigned long) __entry->vm_end
94 	)
95 );
96 
97 
98 TRACE_EVENT(exit_mmap,
99 	TP_PROTO(struct mm_struct *mm),
100 
101 	TP_ARGS(mm),
102 
103 	TP_STRUCT__entry(
104 			__field(struct mm_struct *, mm)
105 			__field(struct maple_tree *, mt)
106 	),
107 
108 	TP_fast_assign(
109 		       __entry->mm		= mm;
110 		       __entry->mt		= &mm->mm_mt;
111 	),
112 
113 	TP_printk("mt_mod %p, DESTROY",
114 		  __entry->mt
115 	)
116 );
117 
118 #endif
119 
120 /* This part must be outside protection */
121 #include <trace/define_trace.h>
122