diff options
Diffstat (limited to 'include/trace/events/oom.h')
| -rw-r--r-- | include/trace/events/oom.h | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/include/trace/events/oom.h b/include/trace/events/oom.h new file mode 100644 index 000000000..9f0a5d148 --- /dev/null +++ b/include/trace/events/oom.h @@ -0,0 +1,223 @@ +/* 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> + +#define PG_COUNT_TO_KB(x) ((x) << (PAGE_SHIFT - 10)) + +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 = zonelist_node_idx(zoneref); + __entry->zone_idx = zonelist_zone_idx(zoneref); + __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(struct task_struct *task, uid_t uid), + + TP_ARGS(task, uid), + + TP_STRUCT__entry( + __field(int, pid) + __string(comm, task->comm) + __field(unsigned long, total_vm) + __field(unsigned long, anon_rss) + __field(unsigned long, file_rss) + __field(unsigned long, shmem_rss) + __field(uid_t, uid) + __field(unsigned long, pgtables) + __field(short, oom_score_adj) + ), + + TP_fast_assign( + __entry->pid = task->pid; + __assign_str(comm); + __entry->total_vm = PG_COUNT_TO_KB(task->mm->total_vm); + __entry->anon_rss = PG_COUNT_TO_KB(get_mm_counter(task->mm, MM_ANONPAGES)); + __entry->file_rss = PG_COUNT_TO_KB(get_mm_counter(task->mm, MM_FILEPAGES)); + __entry->shmem_rss = PG_COUNT_TO_KB(get_mm_counter(task->mm, MM_SHMEMPAGES)); + __entry->uid = uid; + __entry->pgtables = mm_pgtables_bytes(task->mm) >> 10; + __entry->oom_score_adj = task->signal->oom_score_adj; + ), + + 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", + __entry->pid, + __get_str(comm), + __entry->total_vm, + __entry->anon_rss, + __entry->file_rss, + __entry->shmem_rss, + __entry->uid, + __entry->pgtables, + __entry->oom_score_adj + ) +); + +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> |