instrumentation/events/lttng-module/compaction.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM compaction
   3
   4 #if !defined(LTTNG_TRACE_COMPACTION_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define LTTNG_TRACE_COMPACTION_H
   6
   7 #include <probes/lttng-tracepoint-event.h>
   8 #include <linux/types.h>
   9 #include <linux/version.h>
  10
  11 #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)
  12
  13 LTTNG_TRACEPOINT_EVENT_CLASS(compaction_isolate_template,
  14
  15         TP_PROTO(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_FIELDS(
  23                 ctf_integer(unsigned long, start_pfn, start_pfn)
  24                 ctf_integer(unsigned long, end_pfn, end_pfn)
  25                 ctf_integer(unsigned long, nr_scanned, nr_scanned)
  26                 ctf_integer(unsigned long, nr_taken, nr_taken)
  27         )
  28 )
  29
  30 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(compaction_isolate_template,
  31
  32         mm_compaction_isolate_migratepages,
  33
  34         compaction_isolate_migratepages,
  35
  36         TP_PROTO(unsigned long start_pfn,
  37                 unsigned long end_pfn,
  38                 unsigned long nr_scanned,
  39                 unsigned long nr_taken),
  40
  41         TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
  42 )
  43
  44 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(compaction_isolate_template,
  45
  46         mm_compaction_isolate_freepages,
  47
  48         compaction_isolate_freepages,
  49
  50         TP_PROTO(unsigned long start_pfn,
  51                 unsigned long end_pfn,
  52                 unsigned long nr_scanned,
  53                 unsigned long nr_taken),
  54
  55         TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
  56 )
  57
  58 #else /* #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0) */
  59
  60 LTTNG_TRACEPOINT_EVENT_CLASS(compaction_isolate_template,
  61
  62         TP_PROTO(unsigned long nr_scanned,
  63                 unsigned long nr_taken),
  64
  65         TP_ARGS(nr_scanned, nr_taken),
  66
  67         TP_FIELDS(
  68                 ctf_integer(unsigned long, nr_scanned, nr_scanned)
  69                 ctf_integer(unsigned long, nr_taken, nr_taken)
  70         )
  71 )
  72
  73 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(compaction_isolate_template,
  74
  75         mm_compaction_isolate_migratepages,
  76
  77         compaction_isolate_migratepages,
  78
  79         TP_PROTO(unsigned long nr_scanned,
  80                 unsigned long nr_taken),
  81
  82         TP_ARGS(nr_scanned, nr_taken)
  83 )
  84
  85 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(compaction_isolate_template,
  86
  87         mm_compaction_isolate_freepages,
  88
  89         compaction_isolate_freepages,
  90
  91         TP_PROTO(unsigned long nr_scanned,
  92                 unsigned long nr_taken),
  93
  94         TP_ARGS(nr_scanned, nr_taken)
  95 )
  96
  97 #endif /* #else #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0) */
  98
  99 #if LTTNG_KERNEL_RANGE(3,12,30, 3,13,0) || \
 100         LTTNG_KERNEL_RANGE(3,14,25, 3,15,0) || \
 101         (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0))
 102 LTTNG_TRACEPOINT_EVENT_CODE_MAP(mm_compaction_migratepages,
 103
 104         compaction_migratepages,
 105
 106         TP_PROTO(unsigned long nr_all,
 107                 int migrate_rc,
 108                 struct list_head *migratepages),
 109
 110         TP_ARGS(nr_all, migrate_rc, migratepages),
 111
 112         TP_locvar(
 113                 unsigned long nr_failed;
 114         ),
 115
 116         TP_code_pre(
 117                 tp_locvar->nr_failed = 0;
 118
 119                 {
 120                         struct list_head *page_lru;
 121
 122                         if (migrate_rc >= 0)
 123                                 tp_locvar->nr_failed = migrate_rc;
 124                         else
 125                                 list_for_each(page_lru, migratepages)
 126                                         tp_locvar->nr_failed++;
 127                 }
 128         ),
 129
 130         TP_FIELDS(
 131                 ctf_integer(unsigned long, nr_migrated, nr_all - tp_locvar->nr_failed)
 132                 ctf_integer(unsigned long, nr_failed, tp_locvar->nr_failed)
 133         ),
 134
 135         TP_code_post()
 136 )
 137 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */
 138 LTTNG_TRACEPOINT_EVENT_MAP(mm_compaction_migratepages,
 139
 140         compaction_migratepages,
 141
 142         TP_PROTO(unsigned long nr_migrated,
 143                 unsigned long nr_failed),
 144
 145         TP_ARGS(nr_migrated, nr_failed),
 146
 147         TP_FIELDS(
 148                 ctf_integer(unsigned long, nr_migrated, nr_migrated)
 149                 ctf_integer(unsigned long, nr_failed, nr_failed)
 150         )
 151 )
 152 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */
 153
 154 #endif /* LTTNG_TRACE_COMPACTION_H */
 155
 156 /* This part must be outside protection */
 157 #include <probes/define_trace.h>