include/trace/events/oom.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM oom
   3
   4 #if !defined(_TRACE_OOM_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_OOM_H
   6 #include <linux/tracepoint.h>
   7 #include <trace/events/mmflags.h>
   8
   9 TRACE_EVENT(oom_score_adj_update,
  10
  11         TP_PROTO(struct task_struct *task),
  12
  13         TP_ARGS(task),
  14
  15         TP_STRUCT__entry(
  16                 __field(        pid_t,  pid)
  17                 __array(        char,   comm,   TASK_COMM_LEN )
  18                 __field(        short,  oom_score_adj)
  19         ),
  20
  21         TP_fast_assign(
  22                 __entry->pid = task->pid;
  23                 memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
  24                 __entry->oom_score_adj = task->signal->oom_score_adj;
  25         ),
  26
  27         TP_printk("pid=%d comm=%s oom_score_adj=%hd",
  28                 __entry->pid, __entry->comm, __entry->oom_score_adj)
  29 );
  30
  31 TRACE_EVENT(reclaim_retry_zone,
  32
  33         TP_PROTO(struct zoneref *zoneref,
  34                 int order,
  35                 unsigned long reclaimable,
  36                 unsigned long available,
  37                 unsigned long min_wmark,
  38                 int no_progress_loops,
  39                 bool wmark_check),
  40
  41         TP_ARGS(zoneref, order, reclaimable, available, min_wmark, no_progress_loops, wmark_check),
  42
  43         TP_STRUCT__entry(
  44                 __field(        int, node)
  45                 __field(        int, zone_idx)
  46                 __field(        int,    order)
  47                 __field(        unsigned long,  reclaimable)
  48                 __field(        unsigned long,  available)
  49                 __field(        unsigned long,  min_wmark)
  50                 __field(        int,    no_progress_loops)
  51                 __field(        bool,   wmark_check)
  52         ),
  53
  54         TP_fast_assign(
  55                 __entry->node = zone_to_nid(zoneref->zone);
  56                 __entry->zone_idx = zoneref->zone_idx;
  57                 __entry->order = order;
  58                 __entry->reclaimable = reclaimable;
  59                 __entry->available = available;
  60                 __entry->min_wmark = min_wmark;
  61                 __entry->no_progress_loops = no_progress_loops;
  62                 __entry->wmark_check = wmark_check;
  63         ),
  64
  65         TP_printk("node=%d zone=%-8s order=%d reclaimable=%lu available=%lu min_wmark=%lu no_progress_loops=%d wmark_check=%d",
  66                         __entry->node, __print_symbolic(__entry->zone_idx, ZONE_TYPE),
  67                         __entry->order,
  68                         __entry->reclaimable, __entry->available, __entry->min_wmark,
  69                         __entry->no_progress_loops,
  70                         __entry->wmark_check)
  71 );
  72
  73 #ifdef CONFIG_COMPACTION
  74 TRACE_EVENT(compact_retry,
  75
  76         TP_PROTO(int order,
  77                 enum compact_priority priority,
  78                 enum compact_result result,
  79                 int retries,
  80                 int max_retries,
  81                 bool ret),
  82
  83         TP_ARGS(order, priority, result, retries, max_retries, ret),
  84
  85         TP_STRUCT__entry(
  86                 __field(        int, order)
  87                 __field(        int, priority)
  88                 __field(        int, result)
  89                 __field(        int, retries)
  90                 __field(        int, max_retries)
  91                 __field(        bool, ret)
  92         ),
  93
  94         TP_fast_assign(
  95                 __entry->order = order;
  96                 __entry->priority = priority;
  97                 __entry->result = compact_result_to_feedback(result);
  98                 __entry->retries = retries;
  99                 __entry->max_retries = max_retries;
 100                 __entry->ret = ret;
 101         ),
 102
 103         TP_printk("order=%d priority=%s compaction_result=%s retries=%d max_retries=%d should_retry=%d",
 104                         __entry->order,
 105                         __print_symbolic(__entry->priority, COMPACTION_PRIORITY),
 106                         __print_symbolic(__entry->result, COMPACTION_FEEDBACK),
 107                         __entry->retries, __entry->max_retries,
 108                         __entry->ret)
 109 );
 110 #endif /* CONFIG_COMPACTION */
 111 #endif
 112
 113 /* This part must be outside protection */
 114 #include <trace/define_trace.h>