1 /* SPDX-License-Identifier: GPL-2.0 */
2 #undef TRACE_SYSTEM
3 #define TRACE_SYSTEM compaction
4 
5 #if !defined(_TRACE_COMPACTION_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define _TRACE_COMPACTION_H
7 
8 #include <linux/types.h>
9 #include <linux/list.h>
10 #include <linux/tracepoint.h>
11 #include <trace/events/mmflags.h>
12 
13 
14 DECLARE_EVENT_CLASS(mm_compaction_isolate_template,
15 
16 	TP_PROTO(
17 		unsigned long start_pfn,
18 		unsigned long end_pfn,
19 		unsigned long nr_scanned,
20 		unsigned long nr_taken),
21 
22 	TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken),
23 
24 	TP_STRUCT__entry(
25 		__field(unsigned long, start_pfn)
26 		__field(unsigned long, end_pfn)
27 		__field(unsigned long, nr_scanned)
28 		__field(unsigned long, nr_taken)
29 	),
30 
31 	TP_fast_assign(
32 		__entry->start_pfn = start_pfn;
33 		__entry->end_pfn = end_pfn;
34 		__entry->nr_scanned = nr_scanned;
35 		__entry->nr_taken = nr_taken;
36 	),
37 
38 	TP_printk("range=(0x%lx ~ 0x%lx) nr_scanned=%lu nr_taken=%lu",
39 		__entry->start_pfn,
40 		__entry->end_pfn,
41 		__entry->nr_scanned,
42 		__entry->nr_taken)
43 );
44 
45 DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_migratepages,
46 
47 	TP_PROTO(
48 		unsigned long start_pfn,
49 		unsigned long end_pfn,
50 		unsigned long nr_scanned,
51 		unsigned long nr_taken),
52 
53 	TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
54 );
55 
56 DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_freepages,
57 
58 	TP_PROTO(
59 		unsigned long start_pfn,
60 		unsigned long end_pfn,
61 		unsigned long nr_scanned,
62 		unsigned long nr_taken),
63 
64 	TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
65 );
66 
67 TRACE_EVENT(mm_compaction_migratepages,
68 
69 	TP_PROTO(unsigned long nr_all,
70 		int migrate_rc,
71 		struct list_head *migratepages),
72 
73 	TP_ARGS(nr_all, migrate_rc, migratepages),
74 
75 	TP_STRUCT__entry(
76 		__field(unsigned long, nr_migrated)
77 		__field(unsigned long, nr_failed)
78 	),
79 
80 	TP_fast_assign(
81 		unsigned long nr_failed = 0;
82 		struct list_head *page_lru;
83 
84 		/*
85 		 * migrate_pages() returns either a non-negative number
86 		 * with the number of pages that failed migration, or an
87 		 * error code, in which case we need to count the remaining
88 		 * pages manually
89 		 */
90 		if (migrate_rc >= 0)
91 			nr_failed = migrate_rc;
92 		else
93 			list_for_each(page_lru, migratepages)
94 				nr_failed++;
95 
96 		__entry->nr_migrated = nr_all - nr_failed;
97 		__entry->nr_failed = nr_failed;
98 	),
99 
100 	TP_printk("nr_migrated=%lu nr_failed=%lu",
101 		__entry->nr_migrated,
102 		__entry->nr_failed)
103 );
104 
105 TRACE_EVENT(mm_compaction_begin,
106 	TP_PROTO(unsigned long zone_start, unsigned long migrate_pfn,
107 		unsigned long free_pfn, unsigned long zone_end, bool sync),
108 
109 	TP_ARGS(zone_start, migrate_pfn, free_pfn, zone_end, sync),
110 
111 	TP_STRUCT__entry(
112 		__field(unsigned long, zone_start)
113 		__field(unsigned long, migrate_pfn)
114 		__field(unsigned long, free_pfn)
115 		__field(unsigned long, zone_end)
116 		__field(bool, sync)
117 	),
118 
119 	TP_fast_assign(
120 		__entry->zone_start = zone_start;
121 		__entry->migrate_pfn = migrate_pfn;
122 		__entry->free_pfn = free_pfn;
123 		__entry->zone_end = zone_end;
124 		__entry->sync = sync;
125 	),
126 
127 	TP_printk("zone_start=0x%lx migrate_pfn=0x%lx free_pfn=0x%lx zone_end=0x%lx, mode=%s",
128 		__entry->zone_start,
129 		__entry->migrate_pfn,
130 		__entry->free_pfn,
131 		__entry->zone_end,
132 		__entry->sync ? "sync" : "async")
133 );
134 
135 #ifdef CONFIG_COMPACTION
136 TRACE_EVENT(mm_compaction_end,
137 	TP_PROTO(unsigned long zone_start, unsigned long migrate_pfn,
138 		unsigned long free_pfn, unsigned long zone_end, bool sync,
139 		int status),
140 
141 	TP_ARGS(zone_start, migrate_pfn, free_pfn, zone_end, sync, status),
142 
143 	TP_STRUCT__entry(
144 		__field(unsigned long, zone_start)
145 		__field(unsigned long, migrate_pfn)
146 		__field(unsigned long, free_pfn)
147 		__field(unsigned long, zone_end)
148 		__field(bool, sync)
149 		__field(int, status)
150 	),
151 
152 	TP_fast_assign(
153 		__entry->zone_start = zone_start;
154 		__entry->migrate_pfn = migrate_pfn;
155 		__entry->free_pfn = free_pfn;
156 		__entry->zone_end = zone_end;
157 		__entry->sync = sync;
158 		__entry->status = status;
159 	),
160 
161 	TP_printk("zone_start=0x%lx migrate_pfn=0x%lx free_pfn=0x%lx zone_end=0x%lx, mode=%s status=%s",
162 		__entry->zone_start,
163 		__entry->migrate_pfn,
164 		__entry->free_pfn,
165 		__entry->zone_end,
166 		__entry->sync ? "sync" : "async",
167 		__print_symbolic(__entry->status, COMPACTION_STATUS))
168 );
169 #endif
170 
171 TRACE_EVENT(mm_compaction_try_to_compact_pages,
172 
173 	TP_PROTO(
174 		int order,
175 		gfp_t gfp_mask,
176 		int prio),
177 
178 	TP_ARGS(order, gfp_mask, prio),
179 
180 	TP_STRUCT__entry(
181 		__field(int, order)
182 		__field(gfp_t, gfp_mask)
183 		__field(int, prio)
184 	),
185 
186 	TP_fast_assign(
187 		__entry->order = order;
188 		__entry->gfp_mask = gfp_mask;
189 		__entry->prio = prio;
190 	),
191 
192 	TP_printk("order=%d gfp_mask=0x%x priority=%d",
193 		__entry->order,
194 		__entry->gfp_mask,
195 		__entry->prio)
196 );
197 
198 #ifdef CONFIG_COMPACTION
199 DECLARE_EVENT_CLASS(mm_compaction_suitable_template,
200 
201 	TP_PROTO(struct zone *zone,
202 		int order,
203 		int ret),
204 
205 	TP_ARGS(zone, order, ret),
206 
207 	TP_STRUCT__entry(
208 		__field(int, nid)
209 		__field(enum zone_type, idx)
210 		__field(int, order)
211 		__field(int, ret)
212 	),
213 
214 	TP_fast_assign(
215 		__entry->nid = zone_to_nid(zone);
216 		__entry->idx = zone_idx(zone);
217 		__entry->order = order;
218 		__entry->ret = ret;
219 	),
220 
221 	TP_printk("node=%d zone=%-8s order=%d ret=%s",
222 		__entry->nid,
223 		__print_symbolic(__entry->idx, ZONE_TYPE),
224 		__entry->order,
225 		__print_symbolic(__entry->ret, COMPACTION_STATUS))
226 );
227 
228 DEFINE_EVENT(mm_compaction_suitable_template, mm_compaction_finished,
229 
230 	TP_PROTO(struct zone *zone,
231 		int order,
232 		int ret),
233 
234 	TP_ARGS(zone, order, ret)
235 );
236 
237 DEFINE_EVENT(mm_compaction_suitable_template, mm_compaction_suitable,
238 
239 	TP_PROTO(struct zone *zone,
240 		int order,
241 		int ret),
242 
243 	TP_ARGS(zone, order, ret)
244 );
245 
246 DECLARE_EVENT_CLASS(mm_compaction_defer_template,
247 
248 	TP_PROTO(struct zone *zone, int order),
249 
250 	TP_ARGS(zone, order),
251 
252 	TP_STRUCT__entry(
253 		__field(int, nid)
254 		__field(enum zone_type, idx)
255 		__field(int, order)
256 		__field(unsigned int, considered)
257 		__field(unsigned int, defer_shift)
258 		__field(int, order_failed)
259 	),
260 
261 	TP_fast_assign(
262 		__entry->nid = zone_to_nid(zone);
263 		__entry->idx = zone_idx(zone);
264 		__entry->order = order;
265 		__entry->considered = zone->compact_considered;
266 		__entry->defer_shift = zone->compact_defer_shift;
267 		__entry->order_failed = zone->compact_order_failed;
268 	),
269 
270 	TP_printk("node=%d zone=%-8s order=%d order_failed=%d consider=%u limit=%lu",
271 		__entry->nid,
272 		__print_symbolic(__entry->idx, ZONE_TYPE),
273 		__entry->order,
274 		__entry->order_failed,
275 		__entry->considered,
276 		1UL << __entry->defer_shift)
277 );
278 
279 DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_deferred,
280 
281 	TP_PROTO(struct zone *zone, int order),
282 
283 	TP_ARGS(zone, order)
284 );
285 
286 DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_defer_compaction,
287 
288 	TP_PROTO(struct zone *zone, int order),
289 
290 	TP_ARGS(zone, order)
291 );
292 
293 DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_defer_reset,
294 
295 	TP_PROTO(struct zone *zone, int order),
296 
297 	TP_ARGS(zone, order)
298 );
299 #endif
300 
301 TRACE_EVENT(mm_compaction_kcompactd_sleep,
302 
303 	TP_PROTO(int nid),
304 
305 	TP_ARGS(nid),
306 
307 	TP_STRUCT__entry(
308 		__field(int, nid)
309 	),
310 
311 	TP_fast_assign(
312 		__entry->nid = nid;
313 	),
314 
315 	TP_printk("nid=%d", __entry->nid)
316 );
317 
318 DECLARE_EVENT_CLASS(kcompactd_wake_template,
319 
320 	TP_PROTO(int nid, int order, enum zone_type classzone_idx),
321 
322 	TP_ARGS(nid, order, classzone_idx),
323 
324 	TP_STRUCT__entry(
325 		__field(int, nid)
326 		__field(int, order)
327 		__field(enum zone_type, classzone_idx)
328 	),
329 
330 	TP_fast_assign(
331 		__entry->nid = nid;
332 		__entry->order = order;
333 		__entry->classzone_idx = classzone_idx;
334 	),
335 
336 	TP_printk("nid=%d order=%d classzone_idx=%-8s",
337 		__entry->nid,
338 		__entry->order,
339 		__print_symbolic(__entry->classzone_idx, ZONE_TYPE))
340 );
341 
342 DEFINE_EVENT(kcompactd_wake_template, mm_compaction_wakeup_kcompactd,
343 
344 	TP_PROTO(int nid, int order, enum zone_type classzone_idx),
345 
346 	TP_ARGS(nid, order, classzone_idx)
347 );
348 
349 DEFINE_EVENT(kcompactd_wake_template, mm_compaction_kcompactd_wake,
350 
351 	TP_PROTO(int nid, int order, enum zone_type classzone_idx),
352 
353 	TP_ARGS(nid, order, classzone_idx)
354 );
355 
356 #endif /* _TRACE_COMPACTION_H */
357 
358 /* This part must be outside protection */
359 #include <trace/define_trace.h>
360