1 files changed, 390 insertions, 0 deletions
diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
new file mode 100644
index 000000000..f66476b96
--- /dev/null
+++ b/include/trace/events/vmscan.h
@@ -0,0 +1,390 @@
+#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>