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 LTTNG_TRACEPOINT_EVENT_CLASS(mm_compaction_isolate_template,
  13
  14         TP_PROTO(unsigned long nr_scanned,
  15                 unsigned long nr_taken),
  16
  17         TP_ARGS(nr_scanned, nr_taken),
  18
  19         TP_STRUCT__entry(
  20                 __field(unsigned long, nr_scanned)
  21                 __field(unsigned long, nr_taken)
  22         ),
  23
  24         TP_fast_assign(
  25                 tp_assign(nr_scanned, nr_scanned)
  26                 tp_assign(nr_taken, nr_taken)
  27         ),
  28
  29         TP_printk("nr_scanned=%lu nr_taken=%lu",
  30                 __entry->nr_scanned,
  31                 __entry->nr_taken)
  32 )
  33
  34 LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_compaction_isolate_template, mm_compaction_isolate_migratepages,
  35
  36         TP_PROTO(unsigned long nr_scanned,
  37                 unsigned long nr_taken),
  38
  39         TP_ARGS(nr_scanned, nr_taken)
  40 )
  41
  42 LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_compaction_isolate_template, mm_compaction_isolate_freepages,
  43         TP_PROTO(unsigned long nr_scanned,
  44                 unsigned long nr_taken),
  45
  46         TP_ARGS(nr_scanned, nr_taken)
  47 )
  48
  49 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0))
  50 LTTNG_TRACEPOINT_EVENT(mm_compaction_migratepages,
  51
  52         TP_PROTO(unsigned long nr_all,
  53                 int migrate_rc,
  54                 struct list_head *migratepages),
  55
  56         TP_ARGS(nr_all, migrate_rc, migratepages),
  57
  58         TP_STRUCT__entry(
  59                 __field(unsigned long, nr_migrated)
  60                 __field(unsigned long, nr_failed)
  61         ),
  62
  63         TP_fast_assign(
  64                 tp_assign(nr_migrated,
  65                         nr_all -
  66                         (migrate_rc >= 0 ? migrate_rc :
  67                                 ({
  68                                         unsigned long nr_failed = 0;
  69                                         struct list_head *page_lru;
  70
  71                                         list_for_each(page_lru, migratepages)
  72                                                 nr_failed++;
  73                                         nr_failed;
  74                                 })))
  75                 tp_assign(nr_failed,
  76                                 ({
  77                                         unsigned long nr_failed = 0;
  78                                         struct list_head *page_lru;
  79
  80                                         list_for_each(page_lru, migratepages)
  81                                                 nr_failed++;
  82                                         nr_failed;
  83                                 }))
  84         ),
  85
  86         TP_printk("nr_migrated=%lu nr_failed=%lu",
  87                 __entry->nr_migrated,
  88                 __entry->nr_failed)
  89 )
  90 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */
  91 LTTNG_TRACEPOINT_EVENT(mm_compaction_migratepages,
  92
  93         TP_PROTO(unsigned long nr_migrated,
  94                 unsigned long nr_failed),
  95
  96         TP_ARGS(nr_migrated, nr_failed),
  97
  98         TP_STRUCT__entry(
  99                 __field(unsigned long, nr_migrated)
 100                 __field(unsigned long, nr_failed)
 101         ),
 102
 103         TP_fast_assign(
 104                 tp_assign(nr_migrated, nr_migrated)
 105                 tp_assign(nr_failed, nr_failed)
 106         ),
 107
 108         TP_printk("nr_migrated=%lu nr_failed=%lu",
 109                 __entry->nr_migrated,
 110                 __entry->nr_failed)
 111 )
 112 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */
 113
 114 #endif /* LTTNG_TRACE_COMPACTION_H */
 115
 116 /* This part must be outside protection */
 117 #include "../../../probes/define_trace.h"