include/trace/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         EM( MR_DEMOTION,        "demotion")                     \
  26         EMe(MR_DAMON,           "damon")
  27
  28 /*
  29  * First define the enums in the above macros to be exported to userspace
  30  * via TRACE_DEFINE_ENUM().
  31  */
  32 #undef EM
  33 #undef EMe
  34 #define EM(a, b)        TRACE_DEFINE_ENUM(a);
  35 #define EMe(a, b)       TRACE_DEFINE_ENUM(a);
  36
  37 MIGRATE_MODE
  38 MIGRATE_REASON
  39
  40 /*
  41  * Now redefine the EM() and EMe() macros to map the enums to the strings
  42  * that will be printed in the output.
  43  */
  44 #undef EM
  45 #undef EMe
  46 #define EM(a, b)        {a, b},
  47 #define EMe(a, b)       {a, b}
  48
  49 TRACE_EVENT(mm_migrate_pages,
  50
  51         TP_PROTO(unsigned long succeeded, unsigned long failed,
  52                  unsigned long thp_succeeded, unsigned long thp_failed,
  53                  unsigned long thp_split, unsigned long large_folio_split,
  54                  enum migrate_mode mode, int reason),
  55
  56         TP_ARGS(succeeded, failed, thp_succeeded, thp_failed,
  57                 thp_split, large_folio_split, mode, reason),
  58
  59         TP_STRUCT__entry(
  60                 __field(        unsigned long,          succeeded)
  61                 __field(        unsigned long,          failed)
  62                 __field(        unsigned long,          thp_succeeded)
  63                 __field(        unsigned long,          thp_failed)
  64                 __field(        unsigned long,          thp_split)
  65                 __field(        unsigned long,          large_folio_split)
  66                 __field(        enum migrate_mode,      mode)
  67                 __field(        int,                    reason)
  68         ),
  69
  70         TP_fast_assign(
  71                 __entry->succeeded                      = succeeded;
  72                 __entry->failed                         = failed;
  73                 __entry->thp_succeeded          = thp_succeeded;
  74                 __entry->thp_failed                     = thp_failed;
  75                 __entry->thp_split                      = thp_split;
  76                 __entry->large_folio_split      = large_folio_split;
  77                 __entry->mode                           = mode;
  78                 __entry->reason                         = reason;
  79         ),
  80
  81         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",
  82                 __entry->succeeded,
  83                 __entry->failed,
  84                 __entry->thp_succeeded,
  85                 __entry->thp_failed,
  86                 __entry->thp_split,
  87                 __entry->large_folio_split,
  88                 __print_symbolic(__entry->mode, MIGRATE_MODE),
  89                 __print_symbolic(__entry->reason, MIGRATE_REASON))
  90 );
  91
  92 TRACE_EVENT(mm_migrate_pages_start,
  93
  94         TP_PROTO(enum migrate_mode mode, int reason),
  95
  96         TP_ARGS(mode, reason),
  97
  98         TP_STRUCT__entry(
  99                 __field(enum migrate_mode, mode)
 100                 __field(int, reason)
 101         ),
 102
 103         TP_fast_assign(
 104                 __entry->mode   = mode;
 105                 __entry->reason = reason;
 106         ),
 107
 108         TP_printk("mode=%s reason=%s",
 109                   __print_symbolic(__entry->mode, MIGRATE_MODE),
 110                   __print_symbolic(__entry->reason, MIGRATE_REASON))
 111 );
 112
 113 DECLARE_EVENT_CLASS(migration_pte,
 114
 115                 TP_PROTO(unsigned long addr, unsigned long pte, int order),
 116
 117                 TP_ARGS(addr, pte, order),
 118
 119                 TP_STRUCT__entry(
 120                         __field(unsigned long, addr)
 121                         __field(unsigned long, pte)
 122                         __field(int, order)
 123                 ),
 124
 125                 TP_fast_assign(
 126                         __entry->addr = addr;
 127                         __entry->pte = pte;
 128                         __entry->order = order;
 129                 ),
 130
 131                 TP_printk("addr=%lx, pte=%lx order=%d", __entry->addr, __entry->pte, __entry->order)
 132 );
 133
 134 DEFINE_EVENT(migration_pte, set_migration_pte,
 135         TP_PROTO(unsigned long addr, unsigned long pte, int order),
 136         TP_ARGS(addr, pte, order)
 137 );
 138
 139 DEFINE_EVENT(migration_pte, remove_migration_pte,
 140         TP_PROTO(unsigned long addr, unsigned long pte, int order),
 141         TP_ARGS(addr, pte, order)
 142 );
 143
 144 #endif /* _TRACE_MIGRATE_H */
 145
 146 /* This part must be outside protection */
 147 #include <trace/define_trace.h>