events/migrate.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM migrate
   4
   5 #if !defined(_TRACE_MIGRATE_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_MIGRATE_H
   7
   8 #include <linux/tracepoint.h>
   9
  10 #define MIGRATE_MODE                                            \
  11         EM( MIGRATE_ASYNC,      "MIGRATE_ASYNC")                \
  12         EM( MIGRATE_SYNC_LIGHT, "MIGRATE_SYNC_LIGHT")           \
  13         EMe(MIGRATE_SYNC,       "MIGRATE_SYNC")
  14
  15
  16 #define MIGRATE_REASON                                          \
  17         EM( MR_COMPACTION,      "compaction")                   \
  18         EM( MR_MEMORY_FAILURE,  "memory_failure")               \
  19         EM( MR_MEMORY_HOTPLUG,  "memory_hotplug")               \
  20         EM( MR_SYSCALL,         "syscall_or_cpuset")            \
  21         EM( MR_MEMPOLICY_MBIND, "mempolicy_mbind")              \
  22         EM( MR_NUMA_MISPLACED,  "numa_misplaced")               \
  23         EM( MR_CONTIG_RANGE,    "contig_range")                 \
  24         EM( MR_LONGTERM_PIN,    "longterm_pin")                 \
  25         EMe(MR_DEMOTION,        "demotion")
  26
  27 /*
  28  * First define the enums in the above macros to be exported to userspace
  29  * via TRACE_DEFINE_ENUM().
  30  */
  31 #undef EM
  32 #undef EMe
  33 #define EM(a, b)        TRACE_DEFINE_ENUM(a);
  34 #define EMe(a, b)       TRACE_DEFINE_ENUM(a);
  35
  36 MIGRATE_MODE
  37 MIGRATE_REASON
  38
  39 /*
  40  * Now redefine the EM() and EMe() macros to map the enums to the strings
  41  * that will be printed in the output.
  42  */
  43 #undef EM
  44 #undef EMe
  45 #define EM(a, b)        {a, b},
  46 #define EMe(a, b)       {a, b}
  47
  48 TRACE_EVENT(mm_migrate_pages,
  49
  50         TP_PROTO(unsigned long succeeded, unsigned long failed,
  51                  unsigned long thp_succeeded, unsigned long thp_failed,
  52                  unsigned long thp_split, unsigned long large_folio_split,
  53                  enum migrate_mode mode, int reason),
  54
  55         TP_ARGS(succeeded, failed, thp_succeeded, thp_failed,
  56                 thp_split, large_folio_split, mode, reason),
  57
  58         TP_STRUCT__entry(
  59                 __field(        unsigned long,          succeeded)
  60                 __field(        unsigned long,          failed)
  61                 __field(        unsigned long,          thp_succeeded)
  62                 __field(        unsigned long,          thp_failed)
  63                 __field(        unsigned long,          thp_split)
  64                 __field(        unsigned long,          large_folio_split)
  65                 __field(        enum migrate_mode,      mode)
  66                 __field(        int,                    reason)
  67         ),
  68
  69         TP_fast_assign(
  70                 __entry->succeeded                      = succeeded;
  71                 __entry->failed                         = failed;
  72                 __entry->thp_succeeded          = thp_succeeded;
  73                 __entry->thp_failed                     = thp_failed;
  74                 __entry->thp_split                      = thp_split;
  75                 __entry->large_folio_split      = large_folio_split;
  76                 __entry->mode                           = mode;
  77                 __entry->reason                         = reason;
  78         ),
  79
  80         TP_printk("nr_succeeded=%lu nr_failed=%lu nr_thp_succeeded=%lu nr_thp_failed=%lu nr_thp_split=%lu nr_split=%lu mode=%s reason=%s",
  81                 __entry->succeeded,
  82                 __entry->failed,
  83                 __entry->thp_succeeded,
  84                 __entry->thp_failed,
  85                 __entry->thp_split,
  86                 __entry->large_folio_split,
  87                 __print_symbolic(__entry->mode, MIGRATE_MODE),
  88                 __print_symbolic(__entry->reason, MIGRATE_REASON))
  89 );
  90
  91 TRACE_EVENT(mm_migrate_pages_start,
  92
  93         TP_PROTO(enum migrate_mode mode, int reason),
  94
  95         TP_ARGS(mode, reason),
  96
  97         TP_STRUCT__entry(
  98                 __field(enum migrate_mode, mode)
  99                 __field(int, reason)
 100         ),
 101
 102         TP_fast_assign(
 103                 __entry->mode   = mode;
 104                 __entry->reason = reason;
 105         ),
 106
 107         TP_printk("mode=%s reason=%s",
 108                   __print_symbolic(__entry->mode, MIGRATE_MODE),
 109                   __print_symbolic(__entry->reason, MIGRATE_REASON))
 110 );
 111
 112 DECLARE_EVENT_CLASS(migration_pte,
 113
 114                 TP_PROTO(unsigned long addr, unsigned long pte, int order),
 115
 116                 TP_ARGS(addr, pte, order),
 117
 118                 TP_STRUCT__entry(
 119                         __field(unsigned long, addr)
 120                         __field(unsigned long, pte)
 121                         __field(int, order)
 122                 ),
 123
 124                 TP_fast_assign(
 125                         __entry->addr = addr;
 126                         __entry->pte = pte;
 127                         __entry->order = order;
 128                 ),
 129
 130                 TP_printk("addr=%lx, pte=%lx order=%d", __entry->addr, __entry->pte, __entry->order)
 131 );
 132
 133 DEFINE_EVENT(migration_pte, set_migration_pte,
 134         TP_PROTO(unsigned long addr, unsigned long pte, int order),
 135         TP_ARGS(addr, pte, order)
 136 );
 137
 138 DEFINE_EVENT(migration_pte, remove_migration_pte,
 139         TP_PROTO(unsigned long addr, unsigned long pte, int order),
 140         TP_ARGS(addr, pte, order)
 141 );
 142
 143 #endif /* _TRACE_MIGRATE_H */
 144
 145 /* This part must be outside protection */
 146 #include <trace/define_trace.h>