LXR linux/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
  36MIGRATE_MODE
  37MIGRATE_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
  48TRACE_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
  87TRACE_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>
 112