include/trace/events/mm_event.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM mm_event
   3
   4 #if !defined(_TRACE_MM_EVENT_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_MM_EVENT_H
   6
   7 #include <linux/types.h>
   8 #include <linux/tracepoint.h>
   9 #include <linux/mm.h>
  10
  11 struct mm_event_task;
  12
  13 #define show_mm_event_type(type)                                        \
  14         __print_symbolic(type,                                          \
  15         { MM_MIN_FAULT, "min_flt" },                                    \
  16         { MM_MAJ_FAULT, "maj_flt" },                                    \
  17         { MM_COMPACTION, "compaction" },                                \
  18         { MM_RECLAIM, "reclaim" },                                      \
  19         { MM_SWP_FAULT, "swp_flt" },                                    \
  20         { MM_KERN_ALLOC, "kern_alloc" })
  21
  22 TRACE_EVENT(mm_event_record,
  23
  24         TP_PROTO(enum mm_event_type type, struct mm_event_task *record),
  25
  26         TP_ARGS(type, record),
  27
  28         TP_STRUCT__entry(
  29                 __field(enum mm_event_type, type)
  30                 __field(unsigned int,   count)
  31                 __field(unsigned int,   avg_lat)
  32                 __field(unsigned int,   max_lat)
  33         ),
  34
  35         TP_fast_assign(
  36                 __entry->type           = type;
  37                 __entry->count          = record->count;
  38                 __entry->avg_lat        = record->accm_lat / record->count;
  39                 __entry->max_lat        = record->max_lat;
  40         ),
  41
  42         TP_printk("%s count=%d avg_lat=%u max_lat=%u",
  43                                         show_mm_event_type(__entry->type),
  44                                         __entry->count, __entry->avg_lat,
  45                                         __entry->max_lat)
  46 );
  47
  48 #endif /* _TRACE_MM_EVENT_H */
  49
  50 /* This part must be outside protection */
  51 #include <trace/define_trace.h>