Merge branch 'for-4.7-zac' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
[deliverable/linux.git] / include / trace / events / migrate.h
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1#undef TRACE_SYSTEM
2#define TRACE_SYSTEM migrate
3
4#if !defined(_TRACE_MIGRATE_H) || defined(TRACE_HEADER_MULTI_READ)
5#define _TRACE_MIGRATE_H
6
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7#include <linux/tracepoint.h>
8
7b2a2d4a 9#define MIGRATE_MODE \
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10 EM( MIGRATE_ASYNC, "MIGRATE_ASYNC") \
11 EM( MIGRATE_SYNC_LIGHT, "MIGRATE_SYNC_LIGHT") \
12 EMe(MIGRATE_SYNC, "MIGRATE_SYNC")
13
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14
15#define MIGRATE_REASON \
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16 EM( MR_COMPACTION, "compaction") \
17 EM( MR_MEMORY_FAILURE, "memory_failure") \
18 EM( MR_MEMORY_HOTPLUG, "memory_hotplug") \
19 EM( MR_SYSCALL, "syscall_or_cpuset") \
20 EM( MR_MEMPOLICY_MBIND, "mempolicy_mbind") \
21 EM( MR_NUMA_MISPLACED, "numa_misplaced") \
22 EMe(MR_CMA, "cma")
23
24/*
25 * First define the enums in the above macros to be exported to userspace
26 * via TRACE_DEFINE_ENUM().
27 */
28#undef EM
29#undef EMe
30#define EM(a, b) TRACE_DEFINE_ENUM(a);
31#define EMe(a, b) TRACE_DEFINE_ENUM(a);
32
33MIGRATE_MODE
34MIGRATE_REASON
35
36/*
37 * Now redefine the EM() and EMe() macros to map the enums to the strings
38 * that will be printed in the output.
39 */
40#undef EM
41#undef EMe
42#define EM(a, b) {a, b},
43#define EMe(a, b) {a, b}
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44
45TRACE_EVENT(mm_migrate_pages,
46
47 TP_PROTO(unsigned long succeeded, unsigned long failed,
48 enum migrate_mode mode, int reason),
49
50 TP_ARGS(succeeded, failed, mode, reason),
51
52 TP_STRUCT__entry(
53 __field( unsigned long, succeeded)
54 __field( unsigned long, failed)
55 __field( enum migrate_mode, mode)
56 __field( int, reason)
57 ),
58
59 TP_fast_assign(
60 __entry->succeeded = succeeded;
61 __entry->failed = failed;
62 __entry->mode = mode;
63 __entry->reason = reason;
64 ),
65
66 TP_printk("nr_succeeded=%lu nr_failed=%lu mode=%s reason=%s",
67 __entry->succeeded,
68 __entry->failed,
69 __print_symbolic(__entry->mode, MIGRATE_MODE),
70 __print_symbolic(__entry->reason, MIGRATE_REASON))
71);
72
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73TRACE_EVENT(mm_numa_migrate_ratelimit,
74
75 TP_PROTO(struct task_struct *p, int dst_nid, unsigned long nr_pages),
76
77 TP_ARGS(p, dst_nid, nr_pages),
78
79 TP_STRUCT__entry(
80 __array( char, comm, TASK_COMM_LEN)
81 __field( pid_t, pid)
82 __field( int, dst_nid)
83 __field( unsigned long, nr_pages)
84 ),
85
86 TP_fast_assign(
87 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
88 __entry->pid = p->pid;
89 __entry->dst_nid = dst_nid;
90 __entry->nr_pages = nr_pages;
91 ),
92
93 TP_printk("comm=%s pid=%d dst_nid=%d nr_pages=%lu",
94 __entry->comm,
95 __entry->pid,
96 __entry->dst_nid,
97 __entry->nr_pages)
98);
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99#endif /* _TRACE_MIGRATE_H */
100
101/* This part must be outside protection */
102#include <trace/define_trace.h>
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