summaryrefslogtreecommitdiff
path: root/include/trace/events/oom.h
blob: 26a11e4a2c361d21e550ea500df01ec3e10d791a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM oom

#if !defined(_TRACE_OOM_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_OOM_H
#include <linux/tracepoint.h>
#include <trace/events/mmflags.h>

TRACE_EVENT(oom_score_adj_update,

	TP_PROTO(struct task_struct *task),

	TP_ARGS(task),

	TP_STRUCT__entry(
		__field(	pid_t,	pid)
		__array(	char,	comm,	TASK_COMM_LEN )
		__field(	short,	oom_score_adj)
	),

	TP_fast_assign(
		__entry->pid = task->pid;
		memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
		__entry->oom_score_adj = task->signal->oom_score_adj;
	),

	TP_printk("pid=%d comm=%s oom_score_adj=%hd",
		__entry->pid, __entry->comm, __entry->oom_score_adj)
);

TRACE_EVENT(reclaim_retry_zone,

	TP_PROTO(struct zoneref *zoneref,
		int order,
		unsigned long reclaimable,
		unsigned long available,
		unsigned long min_wmark,
		int no_progress_loops,
		bool wmark_check),

	TP_ARGS(zoneref, order, reclaimable, available, min_wmark, no_progress_loops, wmark_check),

	TP_STRUCT__entry(
		__field(	int, node)
		__field(	int, zone_idx)
		__field(	int,	order)
		__field(	unsigned long,	reclaimable)
		__field(	unsigned long,	available)
		__field(	unsigned long,	min_wmark)
		__field(	int,	no_progress_loops)
		__field(	bool,	wmark_check)
	),

	TP_fast_assign(
		__entry->node = zone_to_nid(zoneref->zone);
		__entry->zone_idx = zoneref->zone_idx;
		__entry->order = order;
		__entry->reclaimable = reclaimable;
		__entry->available = available;
		__entry->min_wmark = min_wmark;
		__entry->no_progress_loops = no_progress_loops;
		__entry->wmark_check = wmark_check;
	),

	TP_printk("node=%d zone=%-8s order=%d reclaimable=%lu available=%lu min_wmark=%lu no_progress_loops=%d wmark_check=%d",
			__entry->node, __print_symbolic(__entry->zone_idx, ZONE_TYPE),
			__entry->order,
			__entry->reclaimable, __entry->available, __entry->min_wmark,
			__entry->no_progress_loops,
			__entry->wmark_check)
);

TRACE_EVENT(mark_victim,
	TP_PROTO(int pid),

	TP_ARGS(pid),

	TP_STRUCT__entry(
		__field(int, pid)
	),

	TP_fast_assign(
		__entry->pid = pid;
	),

	TP_printk("pid=%d", __entry->pid)
);

TRACE_EVENT(wake_reaper,
	TP_PROTO(int pid),

	TP_ARGS(pid),

	TP_STRUCT__entry(
		__field(int, pid)
	),

	TP_fast_assign(
		__entry->pid = pid;
	),

	TP_printk("pid=%d", __entry->pid)
);

TRACE_EVENT(start_task_reaping,
	TP_PROTO(int pid),

	TP_ARGS(pid),

	TP_STRUCT__entry(
		__field(int, pid)
	),

	TP_fast_assign(
		__entry->pid = pid;
	),

	TP_printk("pid=%d", __entry->pid)
);

TRACE_EVENT(finish_task_reaping,
	TP_PROTO(int pid),

	TP_ARGS(pid),

	TP_STRUCT__entry(
		__field(int, pid)
	),

	TP_fast_assign(
		__entry->pid = pid;
	),

	TP_printk("pid=%d", __entry->pid)
);

TRACE_EVENT(skip_task_reaping,
	TP_PROTO(int pid),

	TP_ARGS(pid),

	TP_STRUCT__entry(
		__field(int, pid)
	),

	TP_fast_assign(
		__entry->pid = pid;
	),

	TP_printk("pid=%d", __entry->pid)
);

#ifdef CONFIG_COMPACTION
TRACE_EVENT(compact_retry,

	TP_PROTO(int order,
		enum compact_priority priority,
		enum compact_result result,
		int retries,
		int max_retries,
		bool ret),

	TP_ARGS(order, priority, result, retries, max_retries, ret),

	TP_STRUCT__entry(
		__field(	int, order)
		__field(	int, priority)
		__field(	int, result)
		__field(	int, retries)
		__field(	int, max_retries)
		__field(	bool, ret)
	),

	TP_fast_assign(
		__entry->order = order;
		__entry->priority = priority;
		__entry->result = compact_result_to_feedback(result);
		__entry->retries = retries;
		__entry->max_retries = max_retries;
		__entry->ret = ret;
	),

	TP_printk("order=%d priority=%s compaction_result=%s retries=%d max_retries=%d should_retry=%d",
			__entry->order,
			__print_symbolic(__entry->priority, COMPACTION_PRIORITY),
			__print_symbolic(__entry->result, COMPACTION_FEEDBACK),
			__entry->retries, __entry->max_retries,
			__entry->ret)
);
#endif /* CONFIG_COMPACTION */
#endif

/* This part must be outside protection */
#include <trace/define_trace.h>