1/* SPDX-License-Identifier: GPL-2.0 */
2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM oom
4
5#if !defined(_TRACE_OOM_H) || defined(TRACE_HEADER_MULTI_READ)
6#define _TRACE_OOM_H
7#include <linux/tracepoint.h>
8#include <trace/events/mmflags.h>
9
10#define PG_COUNT_TO_KB(x) ((x) << (PAGE_SHIFT - 10))
11
12TRACE_EVENT(oom_score_adj_update,
13
14 TP_PROTO(struct task_struct *task),
15
16 TP_ARGS(task),
17
18 TP_STRUCT__entry(
19 __field( pid_t, pid)
20 __array( char, comm, TASK_COMM_LEN )
21 __field( short, oom_score_adj)
22 ),
23
24 TP_fast_assign(
25 __entry->pid = task->pid;
26 memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
27 __entry->oom_score_adj = task->signal->oom_score_adj;
28 ),
29
30 TP_printk("pid=%d comm=%s oom_score_adj=%hd",
31 __entry->pid, __entry->comm, __entry->oom_score_adj)
32);
33
34TRACE_EVENT(reclaim_retry_zone,
35
36 TP_PROTO(struct zoneref *zoneref,
37 int order,
38 unsigned long reclaimable,
39 unsigned long available,
40 unsigned long min_wmark,
41 int no_progress_loops,
42 bool wmark_check),
43
44 TP_ARGS(zoneref, order, reclaimable, available, min_wmark, no_progress_loops, wmark_check),
45
46 TP_STRUCT__entry(
47 __field( int, node)
48 __field( int, zone_idx)
49 __field( int, order)
50 __field( unsigned long, reclaimable)
51 __field( unsigned long, available)
52 __field( unsigned long, min_wmark)
53 __field( int, no_progress_loops)
54 __field( bool, wmark_check)
55 ),
56
57 TP_fast_assign(
58 __entry->node = zonelist_node_idx(zoneref);
59 __entry->zone_idx = zonelist_zone_idx(zoneref);
60 __entry->order = order;
61 __entry->reclaimable = reclaimable;
62 __entry->available = available;
63 __entry->min_wmark = min_wmark;
64 __entry->no_progress_loops = no_progress_loops;
65 __entry->wmark_check = wmark_check;
66 ),
67
68 TP_printk("node=%d zone=%-8s order=%d reclaimable=%lu available=%lu min_wmark=%lu no_progress_loops=%d wmark_check=%d",
69 __entry->node, __print_symbolic(__entry->zone_idx, ZONE_TYPE),
70 __entry->order,
71 __entry->reclaimable, __entry->available, __entry->min_wmark,
72 __entry->no_progress_loops,
73 __entry->wmark_check)
74);
75
76TRACE_EVENT(mark_victim,
77 TP_PROTO(struct task_struct *task, uid_t uid),
78
79 TP_ARGS(task, uid),
80
81 TP_STRUCT__entry(
82 __field(int, pid)
83 __string(comm, task->comm)
84 __field(unsigned long, total_vm)
85 __field(unsigned long, anon_rss)
86 __field(unsigned long, file_rss)
87 __field(unsigned long, shmem_rss)
88 __field(uid_t, uid)
89 __field(unsigned long, pgtables)
90 __field(short, oom_score_adj)
91 ),
92
93 TP_fast_assign(
94 __entry->pid = task->pid;
95 __assign_str(comm);
96 __entry->total_vm = PG_COUNT_TO_KB(task->mm->total_vm);
97 __entry->anon_rss = PG_COUNT_TO_KB(get_mm_counter(task->mm, MM_ANONPAGES));
98 __entry->file_rss = PG_COUNT_TO_KB(get_mm_counter(task->mm, MM_FILEPAGES));
99 __entry->shmem_rss = PG_COUNT_TO_KB(get_mm_counter(task->mm, MM_SHMEMPAGES));
100 __entry->uid = uid;
101 __entry->pgtables = mm_pgtables_bytes(task->mm) >> 10;
102 __entry->oom_score_adj = task->signal->oom_score_adj;
103 ),
104
105 TP_printk("pid=%d comm=%s total-vm=%lukB anon-rss=%lukB file-rss:%lukB shmem-rss:%lukB uid=%u pgtables=%lukB oom_score_adj=%hd",
106 __entry->pid,
107 __get_str(comm),
108 __entry->total_vm,
109 __entry->anon_rss,
110 __entry->file_rss,
111 __entry->shmem_rss,
112 __entry->uid,
113 __entry->pgtables,
114 __entry->oom_score_adj
115 )
116);
117
118TRACE_EVENT(wake_reaper,
119 TP_PROTO(int pid),
120
121 TP_ARGS(pid),
122
123 TP_STRUCT__entry(
124 __field(int, pid)
125 ),
126
127 TP_fast_assign(
128 __entry->pid = pid;
129 ),
130
131 TP_printk("pid=%d", __entry->pid)
132);
133
134TRACE_EVENT(start_task_reaping,
135 TP_PROTO(int pid),
136
137 TP_ARGS(pid),
138
139 TP_STRUCT__entry(
140 __field(int, pid)
141 ),
142
143 TP_fast_assign(
144 __entry->pid = pid;
145 ),
146
147 TP_printk("pid=%d", __entry->pid)
148);
149
150TRACE_EVENT(finish_task_reaping,
151 TP_PROTO(int pid),
152
153 TP_ARGS(pid),
154
155 TP_STRUCT__entry(
156 __field(int, pid)
157 ),
158
159 TP_fast_assign(
160 __entry->pid = pid;
161 ),
162
163 TP_printk("pid=%d", __entry->pid)
164);
165
166TRACE_EVENT(skip_task_reaping,
167 TP_PROTO(int pid),
168
169 TP_ARGS(pid),
170
171 TP_STRUCT__entry(
172 __field(int, pid)
173 ),
174
175 TP_fast_assign(
176 __entry->pid = pid;
177 ),
178
179 TP_printk("pid=%d", __entry->pid)
180);
181
182#ifdef CONFIG_COMPACTION
183TRACE_EVENT(compact_retry,
184
185 TP_PROTO(int order,
186 enum compact_priority priority,
187 enum compact_result result,
188 int retries,
189 int max_retries,
190 bool ret),
191
192 TP_ARGS(order, priority, result, retries, max_retries, ret),
193
194 TP_STRUCT__entry(
195 __field( int, order)
196 __field( int, priority)
197 __field( int, result)
198 __field( int, retries)
199 __field( int, max_retries)
200 __field( bool, ret)
201 ),
202
203 TP_fast_assign(
204 __entry->order = order;
205 __entry->priority = priority;
206 __entry->result = compact_result_to_feedback(result);
207 __entry->retries = retries;
208 __entry->max_retries = max_retries;
209 __entry->ret = ret;
210 ),
211
212 TP_printk("order=%d priority=%s compaction_result=%s retries=%d max_retries=%d should_retry=%d",
213 __entry->order,
214 __print_symbolic(__entry->priority, COMPACTION_PRIORITY),
215 __print_symbolic(__entry->result, COMPACTION_FEEDBACK),
216 __entry->retries, __entry->max_retries,
217 __entry->ret)
218);
219#endif /* CONFIG_COMPACTION */
220#endif
221
222/* This part must be outside protection */
223#include <trace/define_trace.h>
224