Viewing file:  oom.h (4.95 KB) -rw-r--r--
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/* 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 = zone_to_nid(zoneref->zone);
__entry->zone_idx = zoneref->zone_idx;
__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, task->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>
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