Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
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
12DECLARE_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
34DEFINE_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
41DEFINE_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
48DECLARE_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
70DEFINE_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
77TRACE_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>