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        EMe(MR_LONGTERM_PIN,    "longterm_pin")
  25
  26/*
  27 * First define the enums in the above macros to be exported to userspace
  28 * via TRACE_DEFINE_ENUM().
  29 */
  30#undef EM
  31#undef EMe
  32#define EM(a, b)        TRACE_DEFINE_ENUM(a);
  33#define EMe(a, b)       TRACE_DEFINE_ENUM(a);
  34
  35MIGRATE_MODE
  36MIGRATE_REASON
  37
  38/*
  39 * Now redefine the EM() and EMe() macros to map the enums to the strings
  40 * that will be printed in the output.
  41 */
  42#undef EM
  43#undef EMe
  44#define EM(a, b)        {a, b},
  45#define EMe(a, b)       {a, b}
  46
  47TRACE_EVENT(mm_migrate_pages,
  48
  49        TP_PROTO(unsigned long succeeded, unsigned long failed,
  50                 unsigned long thp_succeeded, unsigned long thp_failed,
  51                 unsigned long thp_split, enum migrate_mode mode, int reason),
  52
  53        TP_ARGS(succeeded, failed, thp_succeeded, thp_failed,
  54                thp_split, mode, reason),
  55
  56        TP_STRUCT__entry(
  57                __field(        unsigned long,          succeeded)
  58                __field(        unsigned long,          failed)
  59                __field(        unsigned long,          thp_succeeded)
  60                __field(        unsigned long,          thp_failed)
  61                __field(        unsigned long,          thp_split)
  62                __field(        enum migrate_mode,      mode)
  63                __field(        int,                    reason)
  64        ),
  65
  66        TP_fast_assign(
  67                __entry->succeeded      = succeeded;
  68                __entry->failed         = failed;
  69                __entry->thp_succeeded  = thp_succeeded;
  70                __entry->thp_failed     = thp_failed;
  71                __entry->thp_split      = thp_split;
  72                __entry->mode           = mode;
  73                __entry->reason         = reason;
  74        ),
  75
  76        TP_printk("nr_succeeded=%lu nr_failed=%lu nr_thp_succeeded=%lu nr_thp_failed=%lu nr_thp_split=%lu mode=%s reason=%s",
  77                __entry->succeeded,
  78                __entry->failed,
  79                __entry->thp_succeeded,
  80                __entry->thp_failed,
  81                __entry->thp_split,
  82                __print_symbolic(__entry->mode, MIGRATE_MODE),
  83                __print_symbolic(__entry->reason, MIGRATE_REASON))
  84);
  85
  86TRACE_EVENT(mm_migrate_pages_start,
  87
  88        TP_PROTO(enum migrate_mode mode, int reason),
  89
  90        TP_ARGS(mode, reason),
  91
  92        TP_STRUCT__entry(
  93                __field(enum migrate_mode, mode)
  94                __field(int, reason)
  95        ),
  96
  97        TP_fast_assign(
  98                __entry->mode   = mode;
  99                __entry->reason = reason;
 100        ),
 101
 102        TP_printk("mode=%s reason=%s",
 103                  __print_symbolic(__entry->mode, MIGRATE_MODE),
 104                  __print_symbolic(__entry->reason, MIGRATE_REASON))
 105);
 106
 107#endif /* _TRACE_MIGRATE_H */
 108
 109/* This part must be outside protection */
 110#include <trace/define_trace.h>
 111