Release 4.12 include/trace/events/oom.h

#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>

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)
);

#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>
Overall Contributors
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Kamezawa Hiroyuki
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Michal Hocko
43
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David Rientjes
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Directory: include/trace/events

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