include/trace/events/compaction.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM compaction
   3
   4 #if !defined(_TRACE_COMPACTION_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_COMPACTION_H
   6
   7 #include <linux/types.h>
   8 #include <linux/list.h>
   9 #include <linux/tracepoint.h>
  10 #include <trace/events/gfpflags.h>
  11
  12 DECLARE_EVENT_CLASS(mm_compaction_isolate_template,
  13
  14         TP_PROTO(
  15                 unsigned long start_pfn,
  16                 unsigned long end_pfn,
  17                 unsigned long nr_scanned,
  18                 unsigned long nr_taken),
  19
  20         TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken),
  21
  22         TP_STRUCT__entry(
  23                 __field(unsigned long, start_pfn)
  24                 __field(unsigned long, end_pfn)
  25                 __field(unsigned long, nr_scanned)
  26                 __field(unsigned long, nr_taken)
  27         ),
  28
  29         TP_fast_assign(
  30                 __entry->start_pfn = start_pfn;
  31                 __entry->end_pfn = end_pfn;
  32                 __entry->nr_scanned = nr_scanned;
  33                 __entry->nr_taken = nr_taken;
  34         ),
  35
  36         TP_printk("range=(0x%lx ~ 0x%lx) nr_scanned=%lu nr_taken=%lu",
  37                 __entry->start_pfn,
  38                 __entry->end_pfn,
  39                 __entry->nr_scanned,
  40                 __entry->nr_taken)
  41 );
  42
  43 DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_migratepages,
  44
  45         TP_PROTO(
  46                 unsigned long start_pfn,
  47                 unsigned long end_pfn,
  48                 unsigned long nr_scanned,
  49                 unsigned long nr_taken),
  50
  51         TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
  52 );
  53
  54 DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_freepages,
  55
  56         TP_PROTO(
  57                 unsigned long start_pfn,
  58                 unsigned long end_pfn,
  59                 unsigned long nr_scanned,
  60                 unsigned long nr_taken),
  61
  62         TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
  63 );
  64
  65 TRACE_EVENT(mm_compaction_migratepages,
  66
  67         TP_PROTO(unsigned long nr_all,
  68                 int migrate_rc,
  69                 struct list_head *migratepages),
  70
  71         TP_ARGS(nr_all, migrate_rc, migratepages),
  72
  73         TP_STRUCT__entry(
  74                 __field(unsigned long, nr_migrated)
  75                 __field(unsigned long, nr_failed)
  76         ),
  77
  78         TP_fast_assign(
  79                 unsigned long nr_failed = 0;
  80                 struct list_head *page_lru;
  81
  82                 /*
  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
  86                  * pages manually
  87                  */
  88                 if (migrate_rc >= 0)
  89                         nr_failed = migrate_rc;
  90                 else
  91                         list_for_each(page_lru, migratepages)
  92                                 nr_failed++;
  93
  94                 __entry->nr_migrated = nr_all - nr_failed;
  95                 __entry->nr_failed = nr_failed;
  96         ),
  97
  98         TP_printk("nr_migrated=%lu nr_failed=%lu",
  99                 __entry->nr_migrated,
 100                 __entry->nr_failed)
 101 );
 102
 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),
 106
 107         TP_ARGS(zone_start, migrate_pfn, free_pfn, zone_end, sync),
 108
 109         TP_STRUCT__entry(
 110                 __field(unsigned long, zone_start)
 111                 __field(unsigned long, migrate_pfn)
 112                 __field(unsigned long, free_pfn)
 113                 __field(unsigned long, zone_end)
 114                 __field(bool, sync)
 115         ),
 116
 117         TP_fast_assign(
 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;
 123         ),
 124
 125         TP_printk("zone_start=0x%lx migrate_pfn=0x%lx free_pfn=0x%lx zone_end=0x%lx, mode=%s",
 126                 __entry->zone_start,
 127                 __entry->migrate_pfn,
 128                 __entry->free_pfn,
 129                 __entry->zone_end,
 130                 __entry->sync ? "sync" : "async")
 131 );
 132
 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,
 136                 int status),
 137
 138         TP_ARGS(zone_start, migrate_pfn, free_pfn, zone_end, sync, status),
 139
 140         TP_STRUCT__entry(
 141                 __field(unsigned long, zone_start)
 142                 __field(unsigned long, migrate_pfn)
 143                 __field(unsigned long, free_pfn)
 144                 __field(unsigned long, zone_end)
 145                 __field(bool, sync)
 146                 __field(int, status)
 147         ),
 148
 149         TP_fast_assign(
 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;
 156         ),
 157
 158         TP_printk("zone_start=0x%lx migrate_pfn=0x%lx free_pfn=0x%lx zone_end=0x%lx, mode=%s status=%s",
 159                 __entry->zone_start,
 160                 __entry->migrate_pfn,
 161                 __entry->free_pfn,
 162                 __entry->zone_end,
 163                 __entry->sync ? "sync" : "async",
 164                 compaction_status_string[__entry->status])
 165 );
 166
 167 #endif /* _TRACE_COMPACTION_H */
 168
 169 /* This part must be outside protection */
 170 #include <trace/define_trace.h>