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
 10TRACE_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
 32TRACE_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
 74TRACE_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
 90TRACE_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
106TRACE_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
122TRACE_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
138TRACE_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
155TRACE_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>