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 | TRACE_EVENT(oom_score_adj_update, |
11 | |
12 | TP_PROTO(struct task_struct *task), |
13 | |
14 | TP_ARGS(task), |
15 | |
16 | TP_STRUCT__entry( |
17 | __field( pid_t, pid) |
18 | __array( char, comm, TASK_COMM_LEN ) |
19 | __field( short, oom_score_adj) |
20 | ), |
21 | |
22 | TP_fast_assign( |
23 | __entry->pid = task->pid; |
24 | memcpy(__entry->comm, task->comm, TASK_COMM_LEN); |
25 | __entry->oom_score_adj = task->signal->oom_score_adj; |
26 | ), |
27 | |
28 | TP_printk("pid=%d comm=%s oom_score_adj=%hd" , |
29 | __entry->pid, __entry->comm, __entry->oom_score_adj) |
30 | ); |
31 | |
32 | TRACE_EVENT(reclaim_retry_zone, |
33 | |
34 | TP_PROTO(struct zoneref *zoneref, |
35 | int order, |
36 | unsigned long reclaimable, |
37 | unsigned long available, |
38 | unsigned long min_wmark, |
39 | int no_progress_loops, |
40 | bool wmark_check), |
41 | |
42 | TP_ARGS(zoneref, order, reclaimable, available, min_wmark, no_progress_loops, wmark_check), |
43 | |
44 | TP_STRUCT__entry( |
45 | __field( int, node) |
46 | __field( int, zone_idx) |
47 | __field( int, order) |
48 | __field( unsigned long, reclaimable) |
49 | __field( unsigned long, available) |
50 | __field( unsigned long, min_wmark) |
51 | __field( int, no_progress_loops) |
52 | __field( bool, wmark_check) |
53 | ), |
54 | |
55 | TP_fast_assign( |
56 | __entry->node = zone_to_nid(zoneref->zone); |
57 | __entry->zone_idx = zoneref->zone_idx; |
58 | __entry->order = order; |
59 | __entry->reclaimable = reclaimable; |
60 | __entry->available = available; |
61 | __entry->min_wmark = min_wmark; |
62 | __entry->no_progress_loops = no_progress_loops; |
63 | __entry->wmark_check = wmark_check; |
64 | ), |
65 | |
66 | TP_printk("node=%d zone=%-8s order=%d reclaimable=%lu available=%lu min_wmark=%lu no_progress_loops=%d wmark_check=%d" , |
67 | __entry->node, __print_symbolic(__entry->zone_idx, ZONE_TYPE), |
68 | __entry->order, |
69 | __entry->reclaimable, __entry->available, __entry->min_wmark, |
70 | __entry->no_progress_loops, |
71 | __entry->wmark_check) |
72 | ); |
73 | |
74 | TRACE_EVENT(mark_victim, |
75 | TP_PROTO(int pid), |
76 | |
77 | TP_ARGS(pid), |
78 | |
79 | TP_STRUCT__entry( |
80 | __field(int, pid) |
81 | ), |
82 | |
83 | TP_fast_assign( |
84 | __entry->pid = pid; |
85 | ), |
86 | |
87 | TP_printk("pid=%d" , __entry->pid) |
88 | ); |
89 | |
90 | TRACE_EVENT(wake_reaper, |
91 | TP_PROTO(int pid), |
92 | |
93 | TP_ARGS(pid), |
94 | |
95 | TP_STRUCT__entry( |
96 | __field(int, pid) |
97 | ), |
98 | |
99 | TP_fast_assign( |
100 | __entry->pid = pid; |
101 | ), |
102 | |
103 | TP_printk("pid=%d" , __entry->pid) |
104 | ); |
105 | |
106 | TRACE_EVENT(start_task_reaping, |
107 | TP_PROTO(int pid), |
108 | |
109 | TP_ARGS(pid), |
110 | |
111 | TP_STRUCT__entry( |
112 | __field(int, pid) |
113 | ), |
114 | |
115 | TP_fast_assign( |
116 | __entry->pid = pid; |
117 | ), |
118 | |
119 | TP_printk("pid=%d" , __entry->pid) |
120 | ); |
121 | |
122 | TRACE_EVENT(finish_task_reaping, |
123 | TP_PROTO(int pid), |
124 | |
125 | TP_ARGS(pid), |
126 | |
127 | TP_STRUCT__entry( |
128 | __field(int, pid) |
129 | ), |
130 | |
131 | TP_fast_assign( |
132 | __entry->pid = pid; |
133 | ), |
134 | |
135 | TP_printk("pid=%d" , __entry->pid) |
136 | ); |
137 | |
138 | TRACE_EVENT(skip_task_reaping, |
139 | TP_PROTO(int pid), |
140 | |
141 | TP_ARGS(pid), |
142 | |
143 | TP_STRUCT__entry( |
144 | __field(int, pid) |
145 | ), |
146 | |
147 | TP_fast_assign( |
148 | __entry->pid = pid; |
149 | ), |
150 | |
151 | TP_printk("pid=%d" , __entry->pid) |
152 | ); |
153 | |
154 | #ifdef CONFIG_COMPACTION |
155 | TRACE_EVENT(compact_retry, |
156 | |
157 | TP_PROTO(int order, |
158 | enum compact_priority priority, |
159 | enum compact_result result, |
160 | int retries, |
161 | int max_retries, |
162 | bool ret), |
163 | |
164 | TP_ARGS(order, priority, result, retries, max_retries, ret), |
165 | |
166 | TP_STRUCT__entry( |
167 | __field( int, order) |
168 | __field( int, priority) |
169 | __field( int, result) |
170 | __field( int, retries) |
171 | __field( int, max_retries) |
172 | __field( bool, ret) |
173 | ), |
174 | |
175 | TP_fast_assign( |
176 | __entry->order = order; |
177 | __entry->priority = priority; |
178 | __entry->result = compact_result_to_feedback(result); |
179 | __entry->retries = retries; |
180 | __entry->max_retries = max_retries; |
181 | __entry->ret = ret; |
182 | ), |
183 | |
184 | TP_printk("order=%d priority=%s compaction_result=%s retries=%d max_retries=%d should_retry=%d" , |
185 | __entry->order, |
186 | __print_symbolic(__entry->priority, COMPACTION_PRIORITY), |
187 | __print_symbolic(__entry->result, COMPACTION_FEEDBACK), |
188 | __entry->retries, __entry->max_retries, |
189 | __entry->ret) |
190 | ); |
191 | #endif /* CONFIG_COMPACTION */ |
192 | #endif |
193 | |
194 | /* This part must be outside protection */ |
195 | #include <trace/define_trace.h> |
196 | |