summaryrefslogtreecommitdiffstats
path: root/include/trace/events/vmscan.h
blob: d9656444a7ca661ac3a7eb71e1e1086d74faae37 (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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
#undef TRACE_SYSTEM
#define TRACE_SYSTEM vmscan

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

#include <linux/types.h>
#include <linux/tracepoint.h>
#include "gfpflags.h"

#define RECLAIM_WB_ANON		0x0001u
#define RECLAIM_WB_FILE		0x0002u
#define RECLAIM_WB_SYNC		0x0004u
#define RECLAIM_WB_ASYNC	0x0008u

#define show_reclaim_flags(flags)				\
	(flags) ? __print_flags(flags, "|",			\
		{RECLAIM_WB_ANON,	"RECLAIM_WB_ANON"},	\
		{RECLAIM_WB_FILE,	"RECLAIM_WB_FILE"},	\
		{RECLAIM_WB_SYNC,	"RECLAIM_WB_SYNC"},	\
		{RECLAIM_WB_ASYNC,	"RECLAIM_WB_ASYNC"}	\
		) : "RECLAIM_WB_NONE"

#define trace_reclaim_flags(page, sync) ( \
	(page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
	(sync == PAGEOUT_IO_SYNC ? RECLAIM_WB_SYNC : RECLAIM_WB_ASYNC)   \
	)

TRACE_EVENT(mm_vmscan_kswapd_sleep,

	TP_PROTO(int nid),

	TP_ARGS(nid),

	TP_STRUCT__entry(
		__field(	int,	nid	)
	),

	TP_fast_assign(
		__entry->nid	= nid;
	),

	TP_printk("nid=%d", __entry->nid)
);

TRACE_EVENT(mm_vmscan_kswapd_wake,

	TP_PROTO(int nid, int order),

	TP_ARGS(nid, order),

	TP_STRUCT__entry(
		__field(	int,	nid	)
		__field(	int,	order	)
	),

	TP_fast_assign(
		__entry->nid	= nid;
		__entry->order	= order;
	),

	TP_printk("nid=%d order=%d", __entry->nid, __entry->order)
);

TRACE_EVENT(mm_vmscan_wakeup_kswapd,

	TP_PROTO(int nid, int zid, int order),

	TP_ARGS(nid, zid, order),

	TP_STRUCT__entry(
		__field(	int,		nid	)
		__field(	int,		zid	)
		__field(	int,		order	)
	),

	TP_fast_assign(
		__entry->nid		= nid;
		__entry->zid		= zid;
		__entry->order		= order;
	),

	TP_printk("nid=%d zid=%d order=%d",
		__entry->nid,
		__entry->zid,
		__entry->order)
);

DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,

	TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),

	TP_ARGS(order, may_writepage, gfp_flags),

	TP_STRUCT__entry(
		__field(	int,	order		)
		__field(	int,	may_writepage	)
		__field(	gfp_t,	gfp_flags	)
	),

	TP_fast_assign(
		__entry->order		= order;
		__entry->may_writepage	= may_writepage;
		__entry->gfp_flags	= gfp_flags;
	),

	TP_printk("order=%d may_writepage=%d gfp_flags=%s",
		__entry->order,
		__entry->may_writepage,
		show_gfp_flags(__entry->gfp_flags))
);

DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,

	TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),

	TP_ARGS(order, may_writepage, gfp_flags)
);

DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,

	TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),

	TP_ARGS(order, may_writepage, gfp_flags)
);

DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,

	TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),

	TP_ARGS(order, may_writepage, gfp_flags)
);

DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,

	TP_PROTO(unsigned long nr_reclaimed),

	TP_ARGS(nr_reclaimed),

	TP_STRUCT__entry(
		__field(	unsigned long,	nr_reclaimed	)
	),

	TP_fast_assign(
		__entry->nr_reclaimed	= nr_reclaimed;
	),

	TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
);

DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,

	TP_PROTO(unsigned long nr_reclaimed),

	TP_ARGS(nr_reclaimed)
);

DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,

	TP_PROTO(unsigned long nr_reclaimed),

	TP_ARGS(nr_reclaimed)
);

DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,

	TP_PROTO(unsigned long nr_reclaimed),

	TP_ARGS(nr_reclaimed)
);


DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,

	TP_PROTO(int order,
		unsigned long nr_requested,
		unsigned long nr_scanned,
		unsigned long nr_taken,
		unsigned long nr_lumpy_taken,
		unsigned long nr_lumpy_dirty,
		unsigned long nr_lumpy_failed,
		int isolate_mode),

	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode),

	TP_STRUCT__entry(
		__field(int, order)
		__field(unsigned long, nr_requested)
		__field(unsigned long, nr_scanned)
		__field(unsigned long, nr_taken)
		__field(unsigned long, nr_lumpy_taken)
		__field(unsigned long, nr_lumpy_dirty)
		__field(unsigned long, nr_lumpy_failed)
		__field(int, isolate_mode)
	),

	TP_fast_assign(
		__entry->order = order;
		__entry->nr_requested = nr_requested;
		__entry->nr_scanned = nr_scanned;
		__entry->nr_taken = nr_taken;
		__entry->nr_lumpy_taken = nr_lumpy_taken;
		__entry->nr_lumpy_dirty = nr_lumpy_dirty;
		__entry->nr_lumpy_failed = nr_lumpy_failed;
		__entry->isolate_mode = isolate_mode;
	),

	TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu contig_taken=%lu contig_dirty=%lu contig_failed=%lu",
		__entry->isolate_mode,
		__entry->order,
		__entry->nr_requested,
		__entry->nr_scanned,
		__entry->nr_taken,
		__entry->nr_lumpy_taken,
		__entry->nr_lumpy_dirty,
		__entry->nr_lumpy_failed)
);

DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate,

	TP_PROTO(int order,
		unsigned long nr_requested,
		unsigned long nr_scanned,
		unsigned long nr_taken,
		unsigned long nr_lumpy_taken,
		unsigned long nr_lumpy_dirty,
		unsigned long nr_lumpy_failed,
		int isolate_mode),

	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode)

);

TRACE_EVENT(mm_vmscan_writepage,

	TP_PROTO(struct page *page,
		int reclaim_flags),

	TP_ARGS(page, reclaim_flags),

	TP_STRUCT__entry(
		__field(struct page *, page)
		__field(int, reclaim_flags)
	),

	TP_fast_assign(
		__entry->page = page;
		__entry->reclaim_flags = reclaim_flags;
	),

	TP_printk("page=%p pfn=%lu flags=%s",
		__entry->page,
		page_to_pfn(__entry->page),
		show_reclaim_flags(__entry->reclaim_flags))
);

#endif /* _TRACE_VMSCAN_H */

/* This part must be outside protection */
#include <trace/define_trace.h>
OpenPOWER on IntegriCloud