LXR linux/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        {MIGRATE_ASYNC,         "MIGRATE_ASYNC"},               \
  11        {MIGRATE_SYNC_LIGHT,    "MIGRATE_SYNC_LIGHT"},          \
  12        {MIGRATE_SYNC,          "MIGRATE_SYNC"}         
  13
  14#define MIGRATE_REASON                                          \
  15        {MR_COMPACTION,         "compaction"},                  \
  16        {MR_MEMORY_FAILURE,     "memory_failure"},              \
  17        {MR_MEMORY_HOTPLUG,     "memory_hotplug"},              \
  18        {MR_SYSCALL,            "syscall_or_cpuset"},           \
  19        {MR_MEMPOLICY_MBIND,    "mempolicy_mbind"},             \
  20        {MR_NUMA_MISPLACED,     "numa_misplaced"},              \
  21        {MR_CMA,                "cma"}
  22
  23TRACE_EVENT(mm_migrate_pages,
  24
  25        TP_PROTO(unsigned long succeeded, unsigned long failed,
  26                 enum migrate_mode mode, int reason),
  27
  28        TP_ARGS(succeeded, failed, mode, reason),
  29
  30        TP_STRUCT__entry(
  31                __field(        unsigned long,          succeeded)
  32                __field(        unsigned long,          failed)
  33                __field(        enum migrate_mode,      mode)
  34                __field(        int,                    reason)
  35        ),
  36
  37        TP_fast_assign(
  38                __entry->succeeded      = succeeded;
  39                __entry->failed         = failed;
  40                __entry->mode           = mode;
  41                __entry->reason         = reason;
  42        ),
  43
  44        TP_printk("nr_succeeded=%lu nr_failed=%lu mode=%s reason=%s",
  45                __entry->succeeded,
  46                __entry->failed,
  47                __print_symbolic(__entry->mode, MIGRATE_MODE),
  48                __print_symbolic(__entry->reason, MIGRATE_REASON))
  49);
  50
  51TRACE_EVENT(mm_numa_migrate_ratelimit,
  52
  53        TP_PROTO(struct task_struct *p, int dst_nid, unsigned long nr_pages),
  54
  55        TP_ARGS(p, dst_nid, nr_pages),
  56
  57        TP_STRUCT__entry(
  58                __array(        char,           comm,   TASK_COMM_LEN)
  59                __field(        pid_t,          pid)
  60                __field(        int,            dst_nid)
  61                __field(        unsigned long,  nr_pages)
  62        ),
  63
  64        TP_fast_assign(
  65                memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
  66                __entry->pid            = p->pid;
  67                __entry->dst_nid        = dst_nid;
  68                __entry->nr_pages       = nr_pages;
  69        ),
  70
  71        TP_printk("comm=%s pid=%d dst_nid=%d nr_pages=%lu",
  72                __entry->comm,
  73                __entry->pid,
  74                __entry->dst_nid,
  75                __entry->nr_pages)
  76);
  77#endif /* _TRACE_MIGRATE_H */
  78
  79/* This part must be outside protection */
  80#include <trace/define_trace.h>
  81