kernel/include/trace/events/migrate.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM migrate
   3
   4 #if !defined(_TRACE_MIGRATE_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_MIGRATE_H
   6
   7 #include <linux/tracepoint.h>
   8
   9 #define MIGRATE_MODE                                            \
  10         EM( MIGRATE_ASYNC,      "MIGRATE_ASYNC")                \
  11         EM( MIGRATE_SYNC_LIGHT, "MIGRATE_SYNC_LIGHT")           \
  12         EMe(MIGRATE_SYNC,       "MIGRATE_SYNC")
  13
  14
  15 #define MIGRATE_REASON                                          \
  16         EM( MR_COMPACTION,      "compaction")                   \
  17         EM( MR_MEMORY_FAILURE,  "memory_failure")               \
  18         EM( MR_MEMORY_HOTPLUG,  "memory_hotplug")               \
  19         EM( MR_SYSCALL,         "syscall_or_cpuset")            \
  20         EM( MR_MEMPOLICY_MBIND, "mempolicy_mbind")              \
  21         EM( MR_NUMA_MISPLACED,  "numa_misplaced")               \
  22         EMe(MR_CMA,             "cma")
  23
  24 /*
  25  * First define the enums in the above macros to be exported to userspace
  26  * via TRACE_DEFINE_ENUM().
  27  */
  28 #undef EM
  29 #undef EMe
  30 #define EM(a, b)        TRACE_DEFINE_ENUM(a);
  31 #define EMe(a, b)       TRACE_DEFINE_ENUM(a);
  32
  33 MIGRATE_MODE
  34 MIGRATE_REASON
  35
  36 /*
  37  * Now redefine the EM() and EMe() macros to map the enums to the strings
  38  * that will be printed in the output.
  39  */
  40 #undef EM
  41 #undef EMe
  42 #define EM(a, b)        {a, b},
  43 #define EMe(a, b)       {a, b}
  44
  45 TRACE_EVENT(mm_migrate_pages,
  46
  47         TP_PROTO(unsigned long succeeded, unsigned long failed,
  48                  enum migrate_mode mode, int reason),
  49
  50         TP_ARGS(succeeded, failed, mode, reason),
  51
  52         TP_STRUCT__entry(
  53                 __field(        unsigned long,          succeeded)
  54                 __field(        unsigned long,          failed)
  55                 __field(        enum migrate_mode,      mode)
  56                 __field(        int,                    reason)
  57         ),
  58
  59         TP_fast_assign(
  60                 __entry->succeeded      = succeeded;
  61                 __entry->failed         = failed;
  62                 __entry->mode           = mode;
  63                 __entry->reason         = reason;
  64         ),
  65
  66         TP_printk("nr_succeeded=%lu nr_failed=%lu mode=%s reason=%s",
  67                 __entry->succeeded,
  68                 __entry->failed,
  69                 __print_symbolic(__entry->mode, MIGRATE_MODE),
  70                 __print_symbolic(__entry->reason, MIGRATE_REASON))
  71 );
  72
  73 TRACE_EVENT(mm_numa_migrate_ratelimit,
  74
  75         TP_PROTO(struct task_struct *p, int dst_nid, unsigned long nr_pages),
  76
  77         TP_ARGS(p, dst_nid, nr_pages),
  78
  79         TP_STRUCT__entry(
  80                 __array(        char,           comm,   TASK_COMM_LEN)
  81                 __field(        pid_t,          pid)
  82                 __field(        int,            dst_nid)
  83                 __field(        unsigned long,  nr_pages)
  84         ),
  85
  86         TP_fast_assign(
  87                 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
  88                 __entry->pid            = p->pid;
  89                 __entry->dst_nid        = dst_nid;
  90                 __entry->nr_pages       = nr_pages;
  91         ),
  92
  93         TP_printk("comm=%s pid=%d dst_nid=%d nr_pages=%lu",
  94                 __entry->comm,
  95                 __entry->pid,
  96                 __entry->dst_nid,
  97                 __entry->nr_pages)
  98 );
  99 #endif /* _TRACE_MIGRATE_H */
 100
 101 /* This part must be outside protection */
 102 #include <trace/define_trace.h>