--- /dev/null
+#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/gfpflags.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,
+ int reclaim_flags),
+
+ TP_ARGS(page, reclaim_flags),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, pfn)
+ __field(int, reclaim_flags)
+ ),
+
+ TP_fast_assign(
+ __entry->pfn = page_to_pfn(page);
+ __entry->reclaim_flags = reclaim_flags;
+ ),
+
+ 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(int nid, int zid,
+ unsigned long nr_scanned, unsigned long nr_reclaimed,
+ int priority, int reclaim_flags),
+
+ TP_ARGS(nid, zid, nr_scanned, nr_reclaimed, priority, reclaim_flags),
+
+ 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 = nid;
+ __entry->zid = zid;
+ __entry->nr_scanned = nr_scanned;
+ __entry->nr_reclaimed = nr_reclaimed;
+ __entry->priority = priority;
+ __entry->reclaim_flags = reclaim_flags;
+ ),
+
+ 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>
Code Review / kvmfornfv.git / blobdiff