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(mm_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(mm_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(mm_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(mm_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(mm_compaction_isolate_template, mm_compaction_isolate_migratepages,
  89
  90         TP_PROTO(unsigned long nr_scanned,
  91                 unsigned long nr_taken),
  92
  93         TP_ARGS(nr_scanned, nr_taken)
  94 )
  95
  96 LTTNG_TRACEPOINT_EVENT_INSTANCE(mm_compaction_isolate_template, mm_compaction_isolate_freepages,
  97         TP_PROTO(unsigned long nr_scanned,
  98                 unsigned long nr_taken),
  99
 100         TP_ARGS(nr_scanned, nr_taken)
 101 )
 102
 103 #endif /* #else #if LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0) */
 104
 105 #if LTTNG_KERNEL_RANGE(3,12,30, 3,13,0) || \
 106         LTTNG_KERNEL_RANGE(3,14,25, 3,15,0) || \
 107         (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0))
 108 LTTNG_TRACEPOINT_EVENT(mm_compaction_migratepages,
 109
 110         TP_PROTO(unsigned long nr_all,
 111                 int migrate_rc,
 112                 struct list_head *migratepages),
 113
 114         TP_ARGS(nr_all, migrate_rc, migratepages),
 115
 116         TP_STRUCT__entry(
 117                 __field(unsigned long, nr_migrated)
 118                 __field(unsigned long, nr_failed)
 119         ),
 120
 121         TP_fast_assign(
 122                 tp_assign(nr_migrated,
 123                         nr_all -
 124                         (migrate_rc >= 0 ? migrate_rc :
 125                                 ({
 126                                         unsigned long nr_failed = 0;
 127                                         struct list_head *page_lru;
 128
 129                                         list_for_each(page_lru, migratepages)
 130                                                 nr_failed++;
 131                                         nr_failed;
 132                                 })))
 133                 tp_assign(nr_failed,
 134                                 ({
 135                                         unsigned long nr_failed = 0;
 136                                         struct list_head *page_lru;
 137
 138                                         list_for_each(page_lru, migratepages)
 139                                                 nr_failed++;
 140                                         nr_failed;
 141                                 }))
 142         ),
 143
 144         TP_printk("nr_migrated=%lu nr_failed=%lu",
 145                 __entry->nr_migrated,
 146                 __entry->nr_failed)
 147 )
 148 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */
 149 LTTNG_TRACEPOINT_EVENT(mm_compaction_migratepages,
 150
 151         TP_PROTO(unsigned long nr_migrated,
 152                 unsigned long nr_failed),
 153
 154         TP_ARGS(nr_migrated, nr_failed),
 155
 156         TP_STRUCT__entry(
 157                 __field(unsigned long, nr_migrated)
 158                 __field(unsigned long, nr_failed)
 159         ),
 160
 161         TP_fast_assign(
 162                 tp_assign(nr_migrated, nr_migrated)
 163                 tp_assign(nr_failed, nr_failed)
 164         ),
 165
 166         TP_printk("nr_migrated=%lu nr_failed=%lu",
 167                 __entry->nr_migrated,
 168                 __entry->nr_failed)
 169 )
 170 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,16,0)) */
 171
 172 #endif /* LTTNG_TRACE_COMPACTION_H */
 173
 174 /* This part must be outside protection */
 175 #include "../../../probes/define_trace.h"