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_CMA,             "cma")
  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
  34 MIGRATE_MODE
  35 MIGRATE_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
  46 TRACE_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
  74 TRACE_EVENT(mm_numa_migrate_ratelimit,
  75
  76         TP_PROTO(struct task_struct *p, int dst_nid, unsigned long nr_pages),
  77
  78         TP_ARGS(p, dst_nid, nr_pages),
  79
  80         TP_STRUCT__entry(
  81                 __array(        char,           comm,   TASK_COMM_LEN)
  82                 __field(        pid_t,          pid)
  83                 __field(        int,            dst_nid)
  84                 __field(        unsigned long,  nr_pages)
  85         ),
  86
  87         TP_fast_assign(
  88                 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
  89                 __entry->pid            = p->pid;
  90                 __entry->dst_nid        = dst_nid;
  91                 __entry->nr_pages       = nr_pages;
  92         ),
  93
  94         TP_printk("comm=%s pid=%d dst_nid=%d nr_pages=%lu",
  95                 __entry->comm,
  96                 __entry->pid,
  97                 __entry->dst_nid,
  98                 __entry->nr_pages)
  99 );
 100 #endif /* _TRACE_MIGRATE_H */
 101
 102 /* This part must be outside protection */
 103 #include <trace/define_trace.h>