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        EMe(MR_CONTIG_RANGE,    "contig_range")
  24
  25/*
  26 * First define the enums in the above macros to be exported to userspace
  27 * via TRACE_DEFINE_ENUM().
  28 */
  29#undef EM
  30#undef EMe
  31#define EM(a, b)        TRACE_DEFINE_ENUM(a);
  32#define EMe(a, b)       TRACE_DEFINE_ENUM(a);
  33
  34MIGRATE_MODE
  35MIGRATE_REASON
  36
  37/*
  38 * Now redefine the EM() and EMe() macros to map the enums to the strings
  39 * that will be printed in the output.
  40 */
  41#undef EM
  42#undef EMe
  43#define EM(a, b)        {a, b},
  44#define EMe(a, b)       {a, b}
  45
  46TRACE_EVENT(mm_migrate_pages,
  47
  48        TP_PROTO(unsigned long succeeded, unsigned long failed,
  49                 enum migrate_mode mode, int reason),
  50
  51        TP_ARGS(succeeded, failed, mode, reason),
  52
  53        TP_STRUCT__entry(
  54                __field(        unsigned long,          succeeded)
  55                __field(        unsigned long,          failed)
  56                __field(        enum migrate_mode,      mode)
  57                __field(        int,                    reason)
  58        ),
  59
  60        TP_fast_assign(
  61                __entry->succeeded      = succeeded;
  62                __entry->failed         = failed;
  63                __entry->mode           = mode;
  64                __entry->reason         = reason;
  65        ),
  66
  67        TP_printk("nr_succeeded=%lu nr_failed=%lu mode=%s reason=%s",
  68                __entry->succeeded,
  69                __entry->failed,
  70                __print_symbolic(__entry->mode, MIGRATE_MODE),
  71                __print_symbolic(__entry->reason, MIGRATE_REASON))
  72);
  73#endif /* _TRACE_MIGRATE_H */
  74
  75/* This part must be outside protection */
  76#include <trace/define_trace.h>
  77