include/instrumentation/events/compaction.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM compaction
   4
   5 #if !defined(LTTNG_TRACE_COMPACTION_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define LTTNG_TRACE_COMPACTION_H
   7
   8 #include <lttng/tracepoint-event.h>
   9 #include <linux/types.h>
  10 #include <lttng/kernel-version.h>
  11
  12 LTTNG_TRACEPOINT_EVENT_CLASS(compaction_isolate_template,
  13
  14         TP_PROTO(unsigned long start_pfn,
  15                 unsigned long end_pfn,
  16                 unsigned long nr_scanned,
  17                 unsigned long nr_taken),
  18
  19         TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken),
  20
  21         TP_FIELDS(
  22                 ctf_integer(unsigned long, start_pfn, start_pfn)
  23                 ctf_integer(unsigned long, end_pfn, end_pfn)
  24                 ctf_integer(unsigned long, nr_scanned, nr_scanned)
  25                 ctf_integer(unsigned long, nr_taken, nr_taken)
  26         )
  27 )
  28
  29 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(compaction_isolate_template,
  30
  31         mm_compaction_isolate_migratepages,
  32
  33         compaction_isolate_migratepages,
  34
  35         TP_PROTO(unsigned long start_pfn,
  36                 unsigned long end_pfn,
  37                 unsigned long nr_scanned,
  38                 unsigned long nr_taken),
  39
  40         TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
  41 )
  42
  43 LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(compaction_isolate_template,
  44
  45         mm_compaction_isolate_freepages,
  46
  47         compaction_isolate_freepages,
  48
  49         TP_PROTO(unsigned long start_pfn,
  50                 unsigned long end_pfn,
  51                 unsigned long nr_scanned,
  52                 unsigned long nr_taken),
  53
  54         TP_ARGS(start_pfn, end_pfn, nr_scanned, nr_taken)
  55 )
  56
  57 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,18,0))
  58 LTTNG_TRACEPOINT_EVENT_MAP(mm_compaction_migratepages,
  59
  60         compaction_migratepages,
  61
  62         TP_PROTO(struct compact_control *cc,
  63                 unsigned int nr_succeeded),
  64
  65         TP_ARGS(cc, nr_succeeded),
  66
  67         TP_FIELDS(
  68                 ctf_integer(unsigned long, nr_migrated, nr_succeeded)
  69                 ctf_integer(unsigned long, nr_failed, cc->nr_migratepages - nr_succeeded)
  70         )
  71 )
  72 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0))
  73 LTTNG_TRACEPOINT_EVENT_MAP(mm_compaction_migratepages,
  74
  75         compaction_migratepages,
  76
  77         TP_PROTO(unsigned long nr_all,
  78                 unsigned int nr_succeeded),
  79
  80         TP_ARGS(nr_all, nr_succeeded),
  81
  82         TP_FIELDS(
  83                 ctf_integer(unsigned long, nr_migrated, nr_succeeded)
  84                 ctf_integer(unsigned long, nr_failed, nr_all - nr_succeeded)
  85         )
  86 )
  87 #else
  88 LTTNG_TRACEPOINT_EVENT_CODE_MAP(mm_compaction_migratepages,
  89
  90         compaction_migratepages,
  91
  92         TP_PROTO(unsigned long nr_all,
  93                 int migrate_rc,
  94                 struct list_head *migratepages),
  95
  96         TP_ARGS(nr_all, migrate_rc, migratepages),
  97
  98         TP_locvar(
  99                 unsigned long nr_failed;
 100         ),
 101
 102         TP_code_pre(
 103                 tp_locvar->nr_failed = 0;
 104
 105                 {
 106                         struct list_head *page_lru;
 107
 108                         if (migrate_rc >= 0)
 109                                 tp_locvar->nr_failed = migrate_rc;
 110                         else
 111                                 list_for_each(page_lru, migratepages)
 112                                         tp_locvar->nr_failed++;
 113                 }
 114         ),
 115
 116         TP_FIELDS(
 117                 ctf_integer(unsigned long, nr_migrated, nr_all - tp_locvar->nr_failed)
 118                 ctf_integer(unsigned long, nr_failed, tp_locvar->nr_failed)
 119         ),
 120
 121         TP_code_post()
 122 )
 123 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,16,0)) */
 124
 125 #endif /* LTTNG_TRACE_COMPACTION_H */
 126
 127 /* This part must be outside protection */
 128 #include <lttng/define_trace.h>