2 #define TRACE_SYSTEM compaction
4 #if !defined(_TRACE_COMPACTION_H) || defined(TRACE_HEADER_MULTI_READ)
5 #define _TRACE_COMPACTION_H
7 #include <linux/types.h>
8 #include <linux/list.h>
9 #include <linux/tracepoint.h>
10 #include <trace/events/gfpflags.h>
12 #define COMPACTION_STATUS \
13 EM( COMPACT_DEFERRED, "deferred") \
14 EM( COMPACT_SKIPPED, "skipped") \
15 EM( COMPACT_CONTINUE, "continue") \
16 EM( COMPACT_PARTIAL, "partial") \
17 EM( COMPACT_COMPLETE, "complete") \
18 EM( COMPACT_NO_SUITABLE_PAGE, "no_suitable_page") \
19 EM( COMPACT_NOT_SUITABLE_ZONE, "not_suitable_zone") \
20 EMe(COMPACT_CONTENDED, "contended")
22 #ifdef CONFIG_ZONE_DMA
23 #define IFDEF_ZONE_DMA(X) X
25 #define IFDEF_ZONE_DMA(X)
28 #ifdef CONFIG_ZONE_DMA32
29 #define IFDEF_ZONE_DMA32(X) X
31 #define IFDEF_ZONE_DMA32(X)
35 #define IFDEF_ZONE_HIGHMEM(X) X
37 #define IFDEF_ZONE_HIGHMEM(X)
41 IFDEF_ZONE_DMA( EM (ZONE_DMA, "DMA")) \
42 IFDEF_ZONE_DMA32( EM (ZONE_DMA32, "DMA32")) \
43 EM (ZONE_NORMAL, "Normal") \
44 IFDEF_ZONE_HIGHMEM( EM (ZONE_HIGHMEM,"HighMem")) \
45 EMe(ZONE_MOVABLE,"Movable")
48 * First define the enums in the above macros to be exported to userspace
49 * via TRACE_DEFINE_ENUM().
53 #define EM(a, b) TRACE_DEFINE_ENUM(a);
54 #define EMe(a, b) TRACE_DEFINE_ENUM(a);
60 * Now redefine the EM() and EMe() macros to map the enums to the strings
61 * that will be printed in the output.
65 #define EM(a, b) {a, b},
66 #define EMe(a, b) {a, b}
68 DECLARE_EVENT_CLASS(mm_compaction_isolate_template,
71 unsigned long start_pfn,
72 unsigned long end_pfn,
73 unsigned long nr_scanned,
74 unsigned long nr_taken),
76 TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken),
79 __field(unsigned long, start_pfn)
80 __field(unsigned long, end_pfn)
81 __field(unsigned long, nr_scanned)
82 __field(unsigned long, nr_taken)
86 __entry->start_pfn = start_pfn;
87 __entry->end_pfn = end_pfn;
88 __entry->nr_scanned = nr_scanned;
89 __entry->nr_taken = nr_taken;
92 TP_printk("range=(0x%lx ~ 0x%lx) nr_scanned=%lu nr_taken=%lu",
99 DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_migratepages,
102 unsigned long start_pfn,
103 unsigned long end_pfn,
104 unsigned long nr_scanned,
105 unsigned long nr_taken),
107 TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
110 DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_freepages,
113 unsigned long start_pfn,
114 unsigned long end_pfn,
115 unsigned long nr_scanned,
116 unsigned long nr_taken),
118 TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
121 TRACE_EVENT(mm_compaction_migratepages,
123 TP_PROTO(unsigned long nr_all,
125 struct list_head *migratepages),
127 TP_ARGS(nr_all, migrate_rc, migratepages),
130 __field(unsigned long, nr_migrated)
131 __field(unsigned long, nr_failed)
135 unsigned long nr_failed = 0;
136 struct list_head *page_lru;
139 * migrate_pages() returns either a non-negative number
140 * with the number of pages that failed migration, or an
141 * error code, in which case we need to count the remaining
145 nr_failed = migrate_rc;
147 list_for_each(page_lru, migratepages)
150 __entry->nr_migrated = nr_all - nr_failed;
151 __entry->nr_failed = nr_failed;
154 TP_printk("nr_migrated=%lu nr_failed=%lu",
155 __entry->nr_migrated,
159 TRACE_EVENT(mm_compaction_begin,
160 TP_PROTO(unsigned long zone_start, unsigned long migrate_pfn,
161 unsigned long free_pfn, unsigned long zone_end, bool sync),
163 TP_ARGS(zone_start, migrate_pfn, free_pfn, zone_end, sync),
166 __field(unsigned long, zone_start)
167 __field(unsigned long, migrate_pfn)
168 __field(unsigned long, free_pfn)
169 __field(unsigned long, zone_end)
174 __entry->zone_start = zone_start;
175 __entry->migrate_pfn = migrate_pfn;
176 __entry->free_pfn = free_pfn;
177 __entry->zone_end = zone_end;
178 __entry->sync = sync;
181 TP_printk("zone_start=0x%lx migrate_pfn=0x%lx free_pfn=0x%lx zone_end=0x%lx, mode=%s",
183 __entry->migrate_pfn,
186 __entry->sync ? "sync" : "async")
189 TRACE_EVENT(mm_compaction_end,
190 TP_PROTO(unsigned long zone_start, unsigned long migrate_pfn,
191 unsigned long free_pfn, unsigned long zone_end, bool sync,
194 TP_ARGS(zone_start, migrate_pfn, free_pfn, zone_end, sync, status),
197 __field(unsigned long, zone_start)
198 __field(unsigned long, migrate_pfn)
199 __field(unsigned long, free_pfn)
200 __field(unsigned long, zone_end)
206 __entry->zone_start = zone_start;
207 __entry->migrate_pfn = migrate_pfn;
208 __entry->free_pfn = free_pfn;
209 __entry->zone_end = zone_end;
210 __entry->sync = sync;
211 __entry->status = status;
214 TP_printk("zone_start=0x%lx migrate_pfn=0x%lx free_pfn=0x%lx zone_end=0x%lx, mode=%s status=%s",
216 __entry->migrate_pfn,
219 __entry->sync ? "sync" : "async",
220 __print_symbolic(__entry->status, COMPACTION_STATUS))
223 TRACE_EVENT(mm_compaction_try_to_compact_pages,
228 enum migrate_mode mode),
230 TP_ARGS(order, gfp_mask, mode),
234 __field(gfp_t, gfp_mask)
235 __field(enum migrate_mode, mode)
239 __entry->order = order;
240 __entry->gfp_mask = gfp_mask;
241 __entry->mode = mode;
244 TP_printk("order=%d gfp_mask=0x%x mode=%d",
250 DECLARE_EVENT_CLASS(mm_compaction_suitable_template,
252 TP_PROTO(struct zone *zone,
256 TP_ARGS(zone, order, ret),
260 __field(enum zone_type, idx)
266 __entry->nid = zone_to_nid(zone);
267 __entry->idx = zone_idx(zone);
268 __entry->order = order;
272 TP_printk("node=%d zone=%-8s order=%d ret=%s",
274 __print_symbolic(__entry->idx, ZONE_TYPE),
276 __print_symbolic(__entry->ret, COMPACTION_STATUS))
279 DEFINE_EVENT(mm_compaction_suitable_template, mm_compaction_finished,
281 TP_PROTO(struct zone *zone,
285 TP_ARGS(zone, order, ret)
288 DEFINE_EVENT(mm_compaction_suitable_template, mm_compaction_suitable,
290 TP_PROTO(struct zone *zone,
294 TP_ARGS(zone, order, ret)
297 #ifdef CONFIG_COMPACTION
298 DECLARE_EVENT_CLASS(mm_compaction_defer_template,
300 TP_PROTO(struct zone *zone, int order),
302 TP_ARGS(zone, order),
306 __field(enum zone_type, idx)
308 __field(unsigned int, considered)
309 __field(unsigned int, defer_shift)
310 __field(int, order_failed)
314 __entry->nid = zone_to_nid(zone);
315 __entry->idx = zone_idx(zone);
316 __entry->order = order;
317 __entry->considered = zone->compact_considered;
318 __entry->defer_shift = zone->compact_defer_shift;
319 __entry->order_failed = zone->compact_order_failed;
322 TP_printk("node=%d zone=%-8s order=%d order_failed=%d consider=%u limit=%lu",
324 __print_symbolic(__entry->idx, ZONE_TYPE),
326 __entry->order_failed,
328 1UL << __entry->defer_shift)
331 DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_deferred,
333 TP_PROTO(struct zone *zone, int order),
338 DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_defer_compaction,
340 TP_PROTO(struct zone *zone, int order),
345 DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_defer_reset,
347 TP_PROTO(struct zone *zone, int order),
353 #endif /* _TRACE_COMPACTION_H */
355 /* This part must be outside protection */
356 #include <trace/define_trace.h>