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         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, enum migrate_mode mode, int reason),
  53
  54         TP_ARGS(succeeded, failed, thp_succeeded, thp_failed,
  55                 thp_split, mode, reason),
  56
  57         TP_STRUCT__entry(
  58                 __field(        unsigned long,          succeeded)
  59                 __field(        unsigned long,          failed)
  60                 __field(        unsigned long,          thp_succeeded)
  61                 __field(        unsigned long,          thp_failed)
  62                 __field(        unsigned long,          thp_split)
  63                 __field(        enum migrate_mode,      mode)
  64                 __field(        int,                    reason)
  65         ),
  66
  67         TP_fast_assign(
  68                 __entry->succeeded      = succeeded;
  69                 __entry->failed         = failed;
  70                 __entry->thp_succeeded  = thp_succeeded;
  71                 __entry->thp_failed     = thp_failed;
  72                 __entry->thp_split      = thp_split;
  73                 __entry->mode           = mode;
  74                 __entry->reason         = reason;
  75         ),
  76
  77         TP_printk("nr_succeeded=%lu nr_failed=%lu nr_thp_succeeded=%lu nr_thp_failed=%lu nr_thp_split=%lu mode=%s reason=%s",
  78                 __entry->succeeded,
  79                 __entry->failed,
  80                 __entry->thp_succeeded,
  81                 __entry->thp_failed,
  82                 __entry->thp_split,
  83                 __print_symbolic(__entry->mode, MIGRATE_MODE),
  84                 __print_symbolic(__entry->reason, MIGRATE_REASON))
  85 );
  86
  87 TRACE_EVENT(mm_migrate_pages_start,
  88
  89         TP_PROTO(enum migrate_mode mode, int reason),
  90
  91         TP_ARGS(mode, reason),
  92
  93         TP_STRUCT__entry(
  94                 __field(enum migrate_mode, mode)
  95                 __field(int, reason)
  96         ),
  97
  98         TP_fast_assign(
  99                 __entry->mode   = mode;
 100                 __entry->reason = reason;
 101         ),
 102
 103         TP_printk("mode=%s reason=%s",
 104                   __print_symbolic(__entry->mode, MIGRATE_MODE),
 105                   __print_symbolic(__entry->reason, MIGRATE_REASON))
 106 );
 107
 108 #endif /* _TRACE_MIGRATE_H */
 109
 110 /* This part must be outside protection */
 111 #include <trace/define_trace.h>