xref: /linux/include/trace/events/vmscan.h (revision 606b2f490fb80e55d05cf0e6cec0b6c0ff0fc18f)
1 #undef TRACE_SYSTEM
2 #define TRACE_SYSTEM vmscan
3 
4 #if !defined(_TRACE_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define _TRACE_VMSCAN_H
6 
7 #include <linux/types.h>
8 #include <linux/tracepoint.h>
9 #include "gfpflags.h"
10 
11 #define RECLAIM_WB_ANON		0x0001u
12 #define RECLAIM_WB_FILE		0x0002u
13 #define RECLAIM_WB_SYNC		0x0004u
14 #define RECLAIM_WB_ASYNC	0x0008u
15 
16 #define show_reclaim_flags(flags)				\
17 	(flags) ? __print_flags(flags, "|",			\
18 		{RECLAIM_WB_ANON,	"RECLAIM_WB_ANON"},	\
19 		{RECLAIM_WB_FILE,	"RECLAIM_WB_FILE"},	\
20 		{RECLAIM_WB_SYNC,	"RECLAIM_WB_SYNC"},	\
21 		{RECLAIM_WB_ASYNC,	"RECLAIM_WB_ASYNC"}	\
22 		) : "RECLAIM_WB_NONE"
23 
24 #define trace_reclaim_flags(page, sync) ( \
25 	(page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
26 	(sync == PAGEOUT_IO_SYNC ? RECLAIM_WB_SYNC : RECLAIM_WB_ASYNC)   \
27 	)
28 
29 TRACE_EVENT(mm_vmscan_kswapd_sleep,
30 
31 	TP_PROTO(int nid),
32 
33 	TP_ARGS(nid),
34 
35 	TP_STRUCT__entry(
36 		__field(	int,	nid	)
37 	),
38 
39 	TP_fast_assign(
40 		__entry->nid	= nid;
41 	),
42 
43 	TP_printk("nid=%d", __entry->nid)
44 );
45 
46 TRACE_EVENT(mm_vmscan_kswapd_wake,
47 
48 	TP_PROTO(int nid, int order),
49 
50 	TP_ARGS(nid, order),
51 
52 	TP_STRUCT__entry(
53 		__field(	int,	nid	)
54 		__field(	int,	order	)
55 	),
56 
57 	TP_fast_assign(
58 		__entry->nid	= nid;
59 		__entry->order	= order;
60 	),
61 
62 	TP_printk("nid=%d order=%d", __entry->nid, __entry->order)
63 );
64 
65 TRACE_EVENT(mm_vmscan_wakeup_kswapd,
66 
67 	TP_PROTO(int nid, int zid, int order),
68 
69 	TP_ARGS(nid, zid, order),
70 
71 	TP_STRUCT__entry(
72 		__field(	int,		nid	)
73 		__field(	int,		zid	)
74 		__field(	int,		order	)
75 	),
76 
77 	TP_fast_assign(
78 		__entry->nid		= nid;
79 		__entry->zid		= zid;
80 		__entry->order		= order;
81 	),
82 
83 	TP_printk("nid=%d zid=%d order=%d",
84 		__entry->nid,
85 		__entry->zid,
86 		__entry->order)
87 );
88 
89 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
90 
91 	TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
92 
93 	TP_ARGS(order, may_writepage, gfp_flags),
94 
95 	TP_STRUCT__entry(
96 		__field(	int,	order		)
97 		__field(	int,	may_writepage	)
98 		__field(	gfp_t,	gfp_flags	)
99 	),
100 
101 	TP_fast_assign(
102 		__entry->order		= order;
103 		__entry->may_writepage	= may_writepage;
104 		__entry->gfp_flags	= gfp_flags;
105 	),
106 
107 	TP_printk("order=%d may_writepage=%d gfp_flags=%s",
108 		__entry->order,
109 		__entry->may_writepage,
110 		show_gfp_flags(__entry->gfp_flags))
111 );
112 
113 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
114 
115 	TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
116 
117 	TP_ARGS(order, may_writepage, gfp_flags)
118 );
119 
120 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
121 
122 	TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
123 
124 	TP_ARGS(order, may_writepage, gfp_flags)
125 );
126 
127 DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
128 
129 	TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),
130 
131 	TP_ARGS(order, may_writepage, gfp_flags)
132 );
133 
134 DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
135 
136 	TP_PROTO(unsigned long nr_reclaimed),
137 
138 	TP_ARGS(nr_reclaimed),
139 
140 	TP_STRUCT__entry(
141 		__field(	unsigned long,	nr_reclaimed	)
142 	),
143 
144 	TP_fast_assign(
145 		__entry->nr_reclaimed	= nr_reclaimed;
146 	),
147 
148 	TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
149 );
150 
151 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
152 
153 	TP_PROTO(unsigned long nr_reclaimed),
154 
155 	TP_ARGS(nr_reclaimed)
156 );
157 
158 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
159 
160 	TP_PROTO(unsigned long nr_reclaimed),
161 
162 	TP_ARGS(nr_reclaimed)
163 );
164 
165 DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
166 
167 	TP_PROTO(unsigned long nr_reclaimed),
168 
169 	TP_ARGS(nr_reclaimed)
170 );
171 
172 
173 DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
174 
175 	TP_PROTO(int order,
176 		unsigned long nr_requested,
177 		unsigned long nr_scanned,
178 		unsigned long nr_taken,
179 		unsigned long nr_lumpy_taken,
180 		unsigned long nr_lumpy_dirty,
181 		unsigned long nr_lumpy_failed,
182 		int isolate_mode),
183 
184 	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode),
185 
186 	TP_STRUCT__entry(
187 		__field(int, order)
188 		__field(unsigned long, nr_requested)
189 		__field(unsigned long, nr_scanned)
190 		__field(unsigned long, nr_taken)
191 		__field(unsigned long, nr_lumpy_taken)
192 		__field(unsigned long, nr_lumpy_dirty)
193 		__field(unsigned long, nr_lumpy_failed)
194 		__field(int, isolate_mode)
195 	),
196 
197 	TP_fast_assign(
198 		__entry->order = order;
199 		__entry->nr_requested = nr_requested;
200 		__entry->nr_scanned = nr_scanned;
201 		__entry->nr_taken = nr_taken;
202 		__entry->nr_lumpy_taken = nr_lumpy_taken;
203 		__entry->nr_lumpy_dirty = nr_lumpy_dirty;
204 		__entry->nr_lumpy_failed = nr_lumpy_failed;
205 		__entry->isolate_mode = isolate_mode;
206 	),
207 
208 	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",
209 		__entry->isolate_mode,
210 		__entry->order,
211 		__entry->nr_requested,
212 		__entry->nr_scanned,
213 		__entry->nr_taken,
214 		__entry->nr_lumpy_taken,
215 		__entry->nr_lumpy_dirty,
216 		__entry->nr_lumpy_failed)
217 );
218 
219 DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate,
220 
221 	TP_PROTO(int order,
222 		unsigned long nr_requested,
223 		unsigned long nr_scanned,
224 		unsigned long nr_taken,
225 		unsigned long nr_lumpy_taken,
226 		unsigned long nr_lumpy_dirty,
227 		unsigned long nr_lumpy_failed,
228 		int isolate_mode),
229 
230 	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode)
231 
232 );
233 
234 DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate,
235 
236 	TP_PROTO(int order,
237 		unsigned long nr_requested,
238 		unsigned long nr_scanned,
239 		unsigned long nr_taken,
240 		unsigned long nr_lumpy_taken,
241 		unsigned long nr_lumpy_dirty,
242 		unsigned long nr_lumpy_failed,
243 		int isolate_mode),
244 
245 	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode)
246 
247 );
248 
249 TRACE_EVENT(mm_vmscan_writepage,
250 
251 	TP_PROTO(struct page *page,
252 		int reclaim_flags),
253 
254 	TP_ARGS(page, reclaim_flags),
255 
256 	TP_STRUCT__entry(
257 		__field(struct page *, page)
258 		__field(int, reclaim_flags)
259 	),
260 
261 	TP_fast_assign(
262 		__entry->page = page;
263 		__entry->reclaim_flags = reclaim_flags;
264 	),
265 
266 	TP_printk("page=%p pfn=%lu flags=%s",
267 		__entry->page,
268 		page_to_pfn(__entry->page),
269 		show_reclaim_flags(__entry->reclaim_flags))
270 );
271 
272 #endif /* _TRACE_VMSCAN_H */
273 
274 /* This part must be outside protection */
275 #include <trace/define_trace.h>
276