Release 4.7 include/trace/events/vmscan.h

#undef TRACE_SYSTEM

#define TRACE_SYSTEM vmscan

#if !defined(_TRACE_VMSCAN_H) || defined(TRACE_HEADER_MULTI_READ)

#define _TRACE_VMSCAN_H

#include <linux/types.h>
#include <linux/tracepoint.h>
#include <linux/mm.h>
#include <linux/memcontrol.h>
#include <trace/events/mmflags.h>


#define RECLAIM_WB_ANON		0x0001u

#define RECLAIM_WB_FILE		0x0002u

#define RECLAIM_WB_MIXED	0x0010u

#define RECLAIM_WB_SYNC		0x0004u 
/* Unused, all reclaim async */

#define RECLAIM_WB_ASYNC	0x0008u


#define show_reclaim_flags(flags)				\
	(flags) ? __print_flags(flags, "|",                     \
                {RECLAIM_WB_ANON,       "RECLAIM_WB_ANON"},     \
                {RECLAIM_WB_FILE,       "RECLAIM_WB_FILE"},     \
                {RECLAIM_WB_MIXED,      "RECLAIM_WB_MIXED"},    \
                {RECLAIM_WB_SYNC,       "RECLAIM_WB_SYNC"},     \
                {RECLAIM_WB_ASYNC,      "RECLAIM_WB_ASYNC"}     \
                ) : "RECLAIM_WB_NONE"


#define trace_reclaim_flags(page) ( \
        (page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
        (RECLAIM_WB_ASYNC) \
        )


#define trace_shrink_flags(file) \
	( \
                (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
                (RECLAIM_WB_ASYNC) \
        )

TRACE_EVENT(mm_vmscan_kswapd_sleep,

	TP_PROTO(int nid),

	TP_ARGS(nid),

	TP_STRUCT__entry(
                __field(        int,    nid     )
        ),

	TP_fast_assign(
                __entry->nid    = nid;
        ),

	TP_printk("nid=%d", __entry->nid)
);

TRACE_EVENT(mm_vmscan_kswapd_wake,

	TP_PROTO(int nid, int order),

	TP_ARGS(nid, order),

	TP_STRUCT__entry(
                __field(        int,    nid     )
                __field(        int,    order   )
        ),

	TP_fast_assign(
                __entry->nid    = nid;
                __entry->order  = order;
        ),

	TP_printk("nid=%d order=%d", __entry->nid, __entry->order)
);

TRACE_EVENT(mm_vmscan_wakeup_kswapd,

	TP_PROTO(int nid, int zid, int order),

	TP_ARGS(nid, zid, order),

	TP_STRUCT__entry(
                __field(        int,            nid     )
                __field(        int,            zid     )
                __field(        int,            order   )
        ),

	TP_fast_assign(
                __entry->nid            = nid;
                __entry->zid            = zid;
                __entry->order          = order;
        ),

	TP_printk("nid=%d zid=%d order=%d",
                __entry->nid,
                __entry->zid,
                __entry->order)
);

DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,

	TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),

	TP_ARGS(order, may_writepage, gfp_flags),

	TP_STRUCT__entry(
                __field(        int,    order           )
                __field(        int,    may_writepage   )
                __field(        gfp_t,  gfp_flags       )
        ),

	TP_fast_assign(
                __entry->order          = order;
                __entry->may_writepage  = may_writepage;
                __entry->gfp_flags      = gfp_flags;
        ),

	TP_printk("order=%d may_writepage=%d gfp_flags=%s",
                __entry->order,
                __entry->may_writepage,
                show_gfp_flags(__entry->gfp_flags))
);

DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,

	TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),

	TP_ARGS(order, may_writepage, gfp_flags)
);

DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,

	TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),

	TP_ARGS(order, may_writepage, gfp_flags)
);

DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,

	TP_PROTO(int order, int may_writepage, gfp_t gfp_flags),

	TP_ARGS(order, may_writepage, gfp_flags)
);

DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,

	TP_PROTO(unsigned long nr_reclaimed),

	TP_ARGS(nr_reclaimed),

	TP_STRUCT__entry(
                __field(        unsigned long,  nr_reclaimed    )
        ),

	TP_fast_assign(
                __entry->nr_reclaimed   = nr_reclaimed;
        ),

	TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
);

DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,

	TP_PROTO(unsigned long nr_reclaimed),

	TP_ARGS(nr_reclaimed)
);

DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,

	TP_PROTO(unsigned long nr_reclaimed),

	TP_ARGS(nr_reclaimed)
);

DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,

	TP_PROTO(unsigned long nr_reclaimed),

	TP_ARGS(nr_reclaimed)
);

TRACE_EVENT(mm_shrink_slab_start,
	TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
                long nr_objects_to_shrink, unsigned long pgs_scanned,
                unsigned long lru_pgs, unsigned long cache_items,
                unsigned long long delta, unsigned long total_scan),

	TP_ARGS(shr, sc, nr_objects_to_shrink, pgs_scanned, lru_pgs,
                cache_items, delta, total_scan),

	TP_STRUCT__entry(
                __field(struct shrinker *, shr)
                __field(void *, shrink)
                __field(int, nid)
                __field(long, nr_objects_to_shrink)
                __field(gfp_t, gfp_flags)
                __field(unsigned long, pgs_scanned)
                __field(unsigned long, lru_pgs)
                __field(unsigned long, cache_items)
                __field(unsigned long long, delta)
                __field(unsigned long, total_scan)
        ),

	TP_fast_assign(
                __entry->shr = shr;
                __entry->shrink = shr->scan_objects;
                __entry->nid = sc->nid;
                __entry->nr_objects_to_shrink = nr_objects_to_shrink;
                __entry->gfp_flags = sc->gfp_mask;
                __entry->pgs_scanned = pgs_scanned;
                __entry->lru_pgs = lru_pgs;
                __entry->cache_items = cache_items;
                __entry->delta = delta;
                __entry->total_scan = total_scan;
        ),

	TP_printk("%pF %p: nid: %d objects to shrink %ld gfp_flags %s pgs_scanned %ld lru_pgs %ld cache items %ld delta %lld total_scan %ld",
                __entry->shrink,
                __entry->shr,
                __entry->nid,
                __entry->nr_objects_to_shrink,
                show_gfp_flags(__entry->gfp_flags),
                __entry->pgs_scanned,
                __entry->lru_pgs,
                __entry->cache_items,
                __entry->delta,
                __entry->total_scan)
);

TRACE_EVENT(mm_shrink_slab_end,
	TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval,
                long unused_scan_cnt, long new_scan_cnt, long total_scan),

	TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt,
                total_scan),

	TP_STRUCT__entry(
                __field(struct shrinker *, shr)
                __field(int, nid)
                __field(void *, shrink)
                __field(long, unused_scan)
                __field(long, new_scan)
                __field(int, retval)
                __field(long, total_scan)
        ),

	TP_fast_assign(
                __entry->shr = shr;
                __entry->nid = nid;
                __entry->shrink = shr->scan_objects;
                __entry->unused_scan = unused_scan_cnt;
                __entry->new_scan = new_scan_cnt;
                __entry->retval = shrinker_retval;
                __entry->total_scan = total_scan;
        ),

	TP_printk("%pF %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
                __entry->shrink,
                __entry->shr,
                __entry->nid,
                __entry->unused_scan,
                __entry->new_scan,
                __entry->total_scan,
                __entry->retval)
);

DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,

	TP_PROTO(int order,
                unsigned long nr_requested,
                unsigned long nr_scanned,
                unsigned long nr_taken,
                isolate_mode_t isolate_mode,
                int file),

	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file),

	TP_STRUCT__entry(
                __field(int, order)
                __field(unsigned long, nr_requested)
                __field(unsigned long, nr_scanned)
                __field(unsigned long, nr_taken)
                __field(isolate_mode_t, isolate_mode)
                __field(int, file)
        ),

	TP_fast_assign(
                __entry->order = order;
                __entry->nr_requested = nr_requested;
                __entry->nr_scanned = nr_scanned;
                __entry->nr_taken = nr_taken;
                __entry->isolate_mode = isolate_mode;
                __entry->file = file;
        ),

	TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu file=%d",
                __entry->isolate_mode,
                __entry->order,
                __entry->nr_requested,
                __entry->nr_scanned,
                __entry->nr_taken,
                __entry->file)
);

DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_lru_isolate,

	TP_PROTO(int order,
		unsigned long nr_requested,
		unsigned long nr_scanned,
		unsigned long nr_taken,
		isolate_mode_t isolate_mode,
		int file),

	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file)

);

DEFINE_EVENT(mm_vmscan_lru_isolate_template, mm_vmscan_memcg_isolate,

	TP_PROTO(int order,
		unsigned long nr_requested,
		unsigned long nr_scanned,
		unsigned long nr_taken,
		isolate_mode_t isolate_mode,
		int file),

	TP_ARGS(order, nr_requested, nr_scanned, nr_taken, isolate_mode, file)

);

TRACE_EVENT(mm_vmscan_writepage,

	TP_PROTO(struct page *page),

	TP_ARGS(page),

	TP_STRUCT__entry(
                __field(unsigned long, pfn)
                __field(int, reclaim_flags)
        ),

	TP_fast_assign(
                __entry->pfn = page_to_pfn(page);
                __entry->reclaim_flags = trace_reclaim_flags(page);
        ),

	TP_printk("page=%p pfn=%lu flags=%s",
                pfn_to_page(__entry->pfn),
                __entry->pfn,
                show_reclaim_flags(__entry->reclaim_flags))
);

TRACE_EVENT(mm_vmscan_lru_shrink_inactive,

	TP_PROTO(struct zone *zone,
                unsigned long nr_scanned, unsigned long nr_reclaimed,
                int priority, int file),

	TP_ARGS(zone, nr_scanned, nr_reclaimed, priority, file),

	TP_STRUCT__entry(
                __field(int, nid)
                __field(int, zid)
                __field(unsigned long, nr_scanned)
                __field(unsigned long, nr_reclaimed)
                __field(int, priority)
                __field(int, reclaim_flags)
        ),

	TP_fast_assign(
                __entry->nid = zone_to_nid(zone);
                __entry->zid = zone_idx(zone);
                __entry->nr_scanned = nr_scanned;
                __entry->nr_reclaimed = nr_reclaimed;
                __entry->priority = priority;
                __entry->reclaim_flags = trace_shrink_flags(file);
        ),

	TP_printk("nid=%d zid=%d nr_scanned=%ld nr_reclaimed=%ld priority=%d flags=%s",
                __entry->nid, __entry->zid,
                __entry->nr_scanned, __entry->nr_reclaimed,
                __entry->priority,
                show_reclaim_flags(__entry->reclaim_flags))
);

#endif /* _TRACE_VMSCAN_H */

/* This part must be outside protection */
#include <trace/define_trace.h>
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Directory: include/trace/events

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