224 lines
5.0 KiB
C
224 lines
5.0 KiB
C
/* 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>
|