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 DECLARE_EVENT_CLASS(mm_compaction_isolate_template,
15 unsigned long start_pfn,
16 unsigned long end_pfn,
17 unsigned long nr_scanned,
18 unsigned long nr_taken),
20 TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken),
23 __field(unsigned long, start_pfn)
24 __field(unsigned long, end_pfn)
25 __field(unsigned long, nr_scanned)
26 __field(unsigned long, nr_taken)
30 __entry->start_pfn = start_pfn;
31 __entry->end_pfn = end_pfn;
32 __entry->nr_scanned = nr_scanned;
33 __entry->nr_taken = nr_taken;
36 TP_printk("range=(0x%lx ~ 0x%lx) nr_scanned=%lu nr_taken=%lu",
43 DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_migratepages,
46 unsigned long start_pfn,
47 unsigned long end_pfn,
48 unsigned long nr_scanned,
49 unsigned long nr_taken),
51 TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
54 DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_freepages,
57 unsigned long start_pfn,
58 unsigned long end_pfn,
59 unsigned long nr_scanned,
60 unsigned long nr_taken),
62 TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
65 TRACE_EVENT(mm_compaction_migratepages,
67 TP_PROTO(unsigned long nr_all,
69 struct list_head *migratepages),
71 TP_ARGS(nr_all, migrate_rc, migratepages),
74 __field(unsigned long, nr_migrated)
75 __field(unsigned long, nr_failed)
79 unsigned long nr_failed = 0;
80 struct list_head *page_lru;
83 * migrate_pages() returns either a non-negative number
84 * with the number of pages that failed migration, or an
85 * error code, in which case we need to count the remaining
89 nr_failed = migrate_rc;
91 list_for_each(page_lru, migratepages)
94 __entry->nr_migrated = nr_all - nr_failed;
95 __entry->nr_failed = nr_failed;
98 TP_printk("nr_migrated=%lu nr_failed=%lu",
103 TRACE_EVENT(mm_compaction_begin,
104 TP_PROTO(unsigned long zone_start, unsigned long migrate_pfn,
105 unsigned long free_pfn, unsigned long zone_end, bool sync),
107 TP_ARGS(zone_start, migrate_pfn, free_pfn, zone_end, sync),
110 __field(unsigned long, zone_start)
111 __field(unsigned long, migrate_pfn)
112 __field(unsigned long, free_pfn)
113 __field(unsigned long, zone_end)
118 __entry->zone_start = zone_start;
119 __entry->migrate_pfn = migrate_pfn;
120 __entry->free_pfn = free_pfn;
121 __entry->zone_end = zone_end;
122 __entry->sync = sync;
125 TP_printk("zone_start=0x%lx migrate_pfn=0x%lx free_pfn=0x%lx zone_end=0x%lx, mode=%s",
127 __entry->migrate_pfn,
130 __entry->sync ? "sync" : "async")
133 TRACE_EVENT(mm_compaction_end,
134 TP_PROTO(unsigned long zone_start, unsigned long migrate_pfn,
135 unsigned long free_pfn, unsigned long zone_end, bool sync,
138 TP_ARGS(zone_start, migrate_pfn, free_pfn, zone_end, sync, status),
141 __field(unsigned long, zone_start)
142 __field(unsigned long, migrate_pfn)
143 __field(unsigned long, free_pfn)
144 __field(unsigned long, zone_end)
150 __entry->zone_start = zone_start;
151 __entry->migrate_pfn = migrate_pfn;
152 __entry->free_pfn = free_pfn;
153 __entry->zone_end = zone_end;
154 __entry->sync = sync;
155 __entry->status = status;
158 TP_printk("zone_start=0x%lx migrate_pfn=0x%lx free_pfn=0x%lx zone_end=0x%lx, mode=%s status=%s",
160 __entry->migrate_pfn,
163 __entry->sync ? "sync" : "async",
164 compaction_status_string[__entry->status])
167 TRACE_EVENT(mm_compaction_try_to_compact_pages,
172 enum migrate_mode mode),
174 TP_ARGS(order, gfp_mask, mode),
178 __field(gfp_t, gfp_mask)
179 __field(enum migrate_mode, mode)
183 __entry->order = order;
184 __entry->gfp_mask = gfp_mask;
185 __entry->mode = mode;
188 TP_printk("order=%d gfp_mask=0x%x mode=%d",
194 DECLARE_EVENT_CLASS(mm_compaction_suitable_template,
196 TP_PROTO(struct zone *zone,
200 TP_ARGS(zone, order, ret),
204 __field(char *, name)
210 __entry->nid = zone_to_nid(zone);
211 __entry->name = (char *)zone->name;
212 __entry->order = order;
216 TP_printk("node=%d zone=%-8s order=%d ret=%s",
220 compaction_status_string[__entry->ret])
223 DEFINE_EVENT(mm_compaction_suitable_template, mm_compaction_finished,
225 TP_PROTO(struct zone *zone,
229 TP_ARGS(zone, order, ret)
232 DEFINE_EVENT(mm_compaction_suitable_template, mm_compaction_suitable,
234 TP_PROTO(struct zone *zone,
238 TP_ARGS(zone, order, ret)
241 #ifdef CONFIG_COMPACTION
242 DECLARE_EVENT_CLASS(mm_compaction_defer_template,
244 TP_PROTO(struct zone *zone, int order),
246 TP_ARGS(zone, order),
250 __field(char *, name)
252 __field(unsigned int, considered)
253 __field(unsigned int, defer_shift)
254 __field(int, order_failed)
258 __entry->nid = zone_to_nid(zone);
259 __entry->name = (char *)zone->name;
260 __entry->order = order;
261 __entry->considered = zone->compact_considered;
262 __entry->defer_shift = zone->compact_defer_shift;
263 __entry->order_failed = zone->compact_order_failed;
266 TP_printk("node=%d zone=%-8s order=%d order_failed=%d consider=%u limit=%lu",
270 __entry->order_failed,
272 1UL << __entry->defer_shift)
275 DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_deferred,
277 TP_PROTO(struct zone *zone, int order),
282 DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_defer_compaction,
284 TP_PROTO(struct zone *zone, int order),
289 DEFINE_EVENT(mm_compaction_defer_template, mm_compaction_defer_reset,
291 TP_PROTO(struct zone *zone, int order),
297 #endif /* _TRACE_COMPACTION_H */
299 /* This part must be outside protection */
300 #include <trace/define_trace.h>