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_RHEL_KERNEL_RANGE(5,14,0,163,0,0, 5,15,0,0,0,0))
  59 LTTNG_TRACEPOINT_EVENT_MAP(mm_compaction_migratepages,
  60
  61         compaction_migratepages,
  62
  63         TP_PROTO(struct compact_control *cc,
  64                 unsigned int nr_succeeded),
  65
  66         TP_ARGS(cc, nr_succeeded),
  67
  68         TP_FIELDS(
  69                 ctf_integer(unsigned long, nr_migrated, nr_succeeded)
  70                 ctf_integer(unsigned long, nr_failed, cc->nr_migratepages - nr_succeeded)
  71         )
  72 )
  73 #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,17,0))
  74 LTTNG_TRACEPOINT_EVENT_MAP(mm_compaction_migratepages,
  75
  76         compaction_migratepages,
  77
  78         TP_PROTO(unsigned long nr_all,
  79                 unsigned int nr_succeeded),
  80
  81         TP_ARGS(nr_all, nr_succeeded),
  82
  83         TP_FIELDS(
  84                 ctf_integer(unsigned long, nr_migrated, nr_succeeded)
  85                 ctf_integer(unsigned long, nr_failed, nr_all - nr_succeeded)
  86         )
  87 )
  88 #else
  89 LTTNG_TRACEPOINT_EVENT_CODE_MAP(mm_compaction_migratepages,
  90
  91         compaction_migratepages,
  92
  93         TP_PROTO(unsigned long nr_all,
  94                 int migrate_rc,
  95                 struct list_head *migratepages),
  96
  97         TP_ARGS(nr_all, migrate_rc, migratepages),
  98
  99         TP_locvar(
 100                 unsigned long nr_failed;
 101         ),
 102
 103         TP_code_pre(
 104                 tp_locvar->nr_failed = 0;
 105
 106                 {
 107                         struct list_head *page_lru;
 108
 109                         if (migrate_rc >= 0)
 110                                 tp_locvar->nr_failed = migrate_rc;
 111                         else
 112                                 list_for_each(page_lru, migratepages)
 113                                         tp_locvar->nr_failed++;
 114                 }
 115         ),
 116
 117         TP_FIELDS(
 118                 ctf_integer(unsigned long, nr_migrated, nr_all - tp_locvar->nr_failed)
 119                 ctf_integer(unsigned long, nr_failed, tp_locvar->nr_failed)
 120         ),
 121
 122         TP_code_post()
 123 )
 124 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,16,0)) */
 125
 126 #endif /* LTTNG_TRACE_COMPACTION_H */
 127
 128 /* This part must be outside protection */
 129 #include <lttng/define_trace.h>