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