1 /* SPDX-License-Identifier: GPL-2.0 */
3 #define TRACE_SYSTEM oom
5 #if !defined(_TRACE_OOM_H) || defined(TRACE_HEADER_MULTI_READ)
7 #include <linux/tracepoint.h>
8 #include <trace/events/mmflags.h>
10 TRACE_EVENT(oom_score_adj_update,
12 TP_PROTO(struct task_struct *task),
18 __array( char, comm, TASK_COMM_LEN )
19 __field( short, oom_score_adj)
23 __entry->pid = task->pid;
24 memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
25 __entry->oom_score_adj = task->signal->oom_score_adj;
28 TP_printk("pid=%d comm=%s oom_score_adj=%hd",
29 __entry->pid, __entry->comm, __entry->oom_score_adj)
32 TRACE_EVENT(reclaim_retry_zone,
34 TP_PROTO(struct zoneref *zoneref,
36 unsigned long reclaimable,
37 unsigned long available,
38 unsigned long min_wmark,
39 int no_progress_loops,
42 TP_ARGS(zoneref, order, reclaimable, available, min_wmark, no_progress_loops, wmark_check),
46 __field( int, zone_idx)
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)
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;
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),
69 __entry->reclaimable, __entry->available, __entry->min_wmark,
70 __entry->no_progress_loops,
74 TRACE_EVENT(mark_victim,
87 TP_printk("pid=%d", __entry->pid)
90 TRACE_EVENT(wake_reaper,
103 TP_printk("pid=%d", __entry->pid)
106 TRACE_EVENT(start_task_reaping,
119 TP_printk("pid=%d", __entry->pid)
122 TRACE_EVENT(finish_task_reaping,
135 TP_printk("pid=%d", __entry->pid)
138 TRACE_EVENT(skip_task_reaping,
151 TP_printk("pid=%d", __entry->pid)
154 #ifdef CONFIG_COMPACTION
155 TRACE_EVENT(compact_retry,
158 enum compact_priority priority,
159 enum compact_result result,
164 TP_ARGS(order, priority, result, retries, max_retries, ret),
168 __field( int, priority)
169 __field( int, result)
170 __field( int, retries)
171 __field( int, max_retries)
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;
184 TP_printk("order=%d priority=%s compaction_result=%s retries=%d max_retries=%d should_retry=%d",
186 __print_symbolic(__entry->priority, COMPACTION_PRIORITY),
187 __print_symbolic(__entry->result, COMPACTION_FEEDBACK),
188 __entry->retries, __entry->max_retries,
191 #endif /* CONFIG_COMPACTION */
194 /* This part must be outside protection */
195 #include <trace/define_trace.h>