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 #include <trace/events/gfpflags.h>
  11
  12 #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0)
  13
  14 LTTNG_TRACEPOINT_EVENT_CLASS(compaction_isolate_template,
  15
  16         TP_PROTO(unsigned long start_pfn,
  17                 unsigned long end_pfn,
  18                 unsigned long nr_scanned,
  19                 unsigned long nr_taken),
  20
  21         TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken),
  22
  23         TP_STRUCT__entry(
  24                 __field(unsigned long, start_pfn)
  25                 __field(unsigned long, end_pfn)
  26                 __field(unsigned long, nr_scanned)
  27                 __field(unsigned long, nr_taken)
  28         ),
  29
  30         TP_fast_assign(
  31                 tp_assign(start_pfn, start_pfn)
  32                 tp_assign(end_pfn, end_pfn)
  33                 tp_assign(nr_scanned, nr_scanned)
  34                 tp_assign(nr_taken, nr_taken)
  35         ),
  36
  37         TP_printk("range=(0x%lx ~ 0x%lx) nr_scanned=%lu nr_taken=%lu",
  38                 __entry->start_pfn,
  39                 __entry->end_pfn,
  40                 __entry->nr_scanned,
  41                 __entry->nr_taken)
  42 )
  43
  44 LTTNG_TRACEPOINT_EVENT_INSTANCE(compaction_isolate_template, mm_compaction_isolate_migratepages,
  45
  46         TP_PROTO(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 LTTNG_TRACEPOINT_EVENT_INSTANCE(compaction_isolate_template, mm_compaction_isolate_freepages,
  55
  56         TP_PROTO(unsigned long start_pfn,
  57                 unsigned long end_pfn,
  58                 unsigned long nr_scanned,
  59                 unsigned long nr_taken),
  60
  61         TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
  62 )
  63
  64 #else /* #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0) */
  65
  66 LTTNG_TRACEPOINT_EVENT_CLASS(compaction_isolate_template,
  67
  68         TP_PROTO(unsigned long nr_scanned,
  69                 unsigned long nr_taken),
  70
  71         TP_ARGS(nr_scanned, nr_taken),
  72
  73         TP_STRUCT__entry(
  74                 __field(unsigned long, nr_scanned)
  75                 __field(unsigned long, nr_taken)
  76         ),
  77
  78         TP_fast_assign(
  79                 tp_assign(nr_scanned, nr_scanned)
  80                 tp_assign(nr_taken, nr_taken)
  81         ),
  82
  83         TP_printk("nr_scanned=%lu nr_taken=%lu",
  84                 __entry->nr_scanned,
  85                 __entry->nr_taken)
  86 )
  87
  88 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(compaction_isolate_template,
  89
  90         mm_compaction_isolate_migratepages,
  91
  92         compaction_isolate_migratepages,
  93
  94         TP_PROTO(unsigned long nr_scanned,
  95                 unsigned long nr_taken),
  96
  97         TP_ARGS(nr_scanned, nr_taken)
  98 )
  99
 100 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(compaction_isolate_template,
 101
 102         mm_compaction_isolate_freepages,
 103
 104         compaction_isolate_freepages,
 105
 106         TP_PROTO(unsigned long nr_scanned,
 107                 unsigned long nr_taken),
 108
 109         TP_ARGS(nr_scanned, nr_taken)
 110 )
 111
 112 #endif /* #else #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0) */
 113
 114 #if LTTNG_KERNEL_RANGE(3,12,30, 3,13,0) || \
 115         LTTNG_KERNEL_RANGE(3,14,25, 3,15,0) || \
 116         (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0))
 117 LTTNG_TRACEPOINT_EVENT_MAP(mm_compaction_migratepages,
 118
 119         compaction_migratepages,
 120
 121         TP_PROTO(unsigned long nr_all,
 122                 int migrate_rc,
 123                 struct list_head *migratepages),
 124
 125         TP_ARGS(nr_all, migrate_rc, migratepages),
 126
 127         TP_STRUCT__entry(
 128                 __field(unsigned long, nr_migrated)
 129                 __field(unsigned long, nr_failed)
 130         ),
 131
 132         TP_fast_assign(
 133                 tp_assign(nr_migrated,
 134                         nr_all -
 135                         (migrate_rc >= 0 ? migrate_rc :
 136                                 ({
 137                                         unsigned long nr_failed = 0;
 138                                         struct list_head *page_lru;
 139
 140                                         list_for_each(page_lru, migratepages)
 141                                                 nr_failed++;
 142                                         nr_failed;
 143                                 })))
 144                 tp_assign(nr_failed,
 145                                 ({
 146                                         unsigned long nr_failed = 0;
 147                                         struct list_head *page_lru;
 148
 149                                         list_for_each(page_lru, migratepages)
 150                                                 nr_failed++;
 151                                         nr_failed;
 152                                 }))
 153         ),
 154
 155         TP_printk("nr_migrated=%lu nr_failed=%lu",
 156                 __entry->nr_migrated,
 157                 __entry->nr_failed)
 158 )
 159 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */
 160 LTTNG_TRACEPOINT_EVENT_MAP(mm_compaction_migratepages,
 161
 162         compaction_migratepages,
 163
 164         TP_PROTO(unsigned long nr_migrated,
 165                 unsigned long nr_failed),
 166
 167         TP_ARGS(nr_migrated, nr_failed),
 168
 169         TP_STRUCT__entry(
 170                 __field(unsigned long, nr_migrated)
 171                 __field(unsigned long, nr_failed)
 172         ),
 173
 174         TP_fast_assign(
 175                 tp_assign(nr_migrated, nr_migrated)
 176                 tp_assign(nr_failed, nr_failed)
 177         ),
 178
 179         TP_printk("nr_migrated=%lu nr_failed=%lu",
 180                 __entry->nr_migrated,
 181                 __entry->nr_failed)
 182 )
 183 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */
 184
 185 #endif /* LTTNG_TRACE_COMPACTION_H */
 186
 187 /* This part must be outside protection */
 188 #include "../../../probes/define_trace.h"