include/trace/events/memcg.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM memcg
   4
   5 #if !defined(_TRACE_MEMCG_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_MEMCG_H
   7
   8 #include <linux/memcontrol.h>
   9 #include <linux/tracepoint.h>
  10
  11
  12 DECLARE_EVENT_CLASS(memcg_rstat_stats,
  13
  14         TP_PROTO(struct mem_cgroup *memcg, int item, int val),
  15
  16         TP_ARGS(memcg, item, val),
  17
  18         TP_STRUCT__entry(
  19                 __field(u64, id)
  20                 __field(int, item)
  21                 __field(int, val)
  22         ),
  23
  24         TP_fast_assign(
  25                 __entry->id = cgroup_id(memcg->css.cgroup);
  26                 __entry->item = item;
  27                 __entry->val = val;
  28         ),
  29
  30         TP_printk("memcg_id=%llu item=%d val=%d",
  31                   __entry->id, __entry->item, __entry->val)
  32 );
  33
  34 DEFINE_EVENT(memcg_rstat_stats, mod_memcg_state,
  35
  36         TP_PROTO(struct mem_cgroup *memcg, int item, int val),
  37
  38         TP_ARGS(memcg, item, val)
  39 );
  40
  41 DEFINE_EVENT(memcg_rstat_stats, mod_memcg_lruvec_state,
  42
  43         TP_PROTO(struct mem_cgroup *memcg, int item, int val),
  44
  45         TP_ARGS(memcg, item, val)
  46 );
  47
  48 DECLARE_EVENT_CLASS(memcg_rstat_events,
  49
  50         TP_PROTO(struct mem_cgroup *memcg, int item, unsigned long val),
  51
  52         TP_ARGS(memcg, item, val),
  53
  54         TP_STRUCT__entry(
  55                 __field(u64, id)
  56                 __field(int, item)
  57                 __field(unsigned long, val)
  58         ),
  59
  60         TP_fast_assign(
  61                 __entry->id = cgroup_id(memcg->css.cgroup);
  62                 __entry->item = item;
  63                 __entry->val = val;
  64         ),
  65
  66         TP_printk("memcg_id=%llu item=%d val=%lu",
  67                   __entry->id, __entry->item, __entry->val)
  68 );
  69
  70 DEFINE_EVENT(memcg_rstat_events, count_memcg_events,
  71
  72         TP_PROTO(struct mem_cgroup *memcg, int item, unsigned long val),
  73
  74         TP_ARGS(memcg, item, val)
  75 );
  76
  77 TRACE_EVENT(memcg_flush_stats,
  78
  79         TP_PROTO(struct mem_cgroup *memcg, s64 stats_updates,
  80                 bool force, bool needs_flush),
  81
  82         TP_ARGS(memcg, stats_updates, force, needs_flush),
  83
  84         TP_STRUCT__entry(
  85                 __field(u64, id)
  86                 __field(s64, stats_updates)
  87                 __field(bool, force)
  88                 __field(bool, needs_flush)
  89         ),
  90
  91         TP_fast_assign(
  92                 __entry->id = cgroup_id(memcg->css.cgroup);
  93                 __entry->stats_updates = stats_updates;
  94                 __entry->force = force;
  95                 __entry->needs_flush = needs_flush;
  96         ),
  97
  98         TP_printk("memcg_id=%llu stats_updates=%lld force=%d needs_flush=%d",
  99                 __entry->id, __entry->stats_updates,
 100                 __entry->force, __entry->needs_flush)
 101 );
 102
 103 #endif /* _TRACE_MEMCG_H */
 104
 105 /* This part must be outside protection */
 106 #include <trace/define_trace.h>