1 files changed, 275 insertions, 0 deletions

diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
new file mode 100644
index 000000000000..370aa5a87322
--- /dev/null
+++ b/include/trace/events/vmscan.h
@@ -0,0 +1,275 @@
+#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 "gfpflags.h"
+
+#define RECLAIM_WB_ANON         0x0001u
+#define RECLAIM_WB_FILE         0x0002u
+#define RECLAIM_WB_SYNC         0x0004u
+#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_SYNC,       "RECLAIM_WB_SYNC"},     \
+                {RECLAIM_WB_ASYNC,      "RECLAIM_WB_ASYNC"}     \
+                ) : "RECLAIM_WB_NONE"
+
+#define trace_reclaim_flags(page, sync) ( \
+        (page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
+        (sync == PAGEOUT_IO_SYNC ? RECLAIM_WB_SYNC : 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)
+);
+
+
+DECLARE_EVENT_CLASS(mm_vmscan_lru_isolate_template,
+
+        TP_PROTO(int order,
+                unsigned long nr_requested,
+                unsigned long nr_scanned,
+                unsigned long nr_taken,
+                unsigned long nr_lumpy_taken,
+                unsigned long nr_lumpy_dirty,
+                unsigned long nr_lumpy_failed,
+                int isolate_mode),
+
+        TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode),
+
+        TP_STRUCT__entry(
+                __field(int, order)
+                __field(unsigned long, nr_requested)
+                __field(unsigned long, nr_scanned)
+                __field(unsigned long, nr_taken)
+                __field(unsigned long, nr_lumpy_taken)
+                __field(unsigned long, nr_lumpy_dirty)
+                __field(unsigned long, nr_lumpy_failed)
+                __field(int, isolate_mode)
+        ),
+
+        TP_fast_assign(
+                __entry->order = order;
+                __entry->nr_requested = nr_requested;
+                __entry->nr_scanned = nr_scanned;
+                __entry->nr_taken = nr_taken;
+                __entry->nr_lumpy_taken = nr_lumpy_taken;
+                __entry->nr_lumpy_dirty = nr_lumpy_dirty;
+                __entry->nr_lumpy_failed = nr_lumpy_failed;
+                __entry->isolate_mode = isolate_mode;
+        ),
+
+        TP_printk("isolate_mode=%d order=%d nr_requested=%lu nr_scanned=%lu nr_taken=%lu contig_taken=%lu contig_dirty=%lu contig_failed=%lu",
+                __entry->isolate_mode,
+                __entry->order,
+                __entry->nr_requested,
+                __entry->nr_scanned,
+                __entry->nr_taken,
+                __entry->nr_lumpy_taken,
+                __entry->nr_lumpy_dirty,
+                __entry->nr_lumpy_failed)
+);
+
+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,
+                unsigned long nr_lumpy_taken,
+                unsigned long nr_lumpy_dirty,
+                unsigned long nr_lumpy_failed,
+                int isolate_mode),
+
+        TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode)
+
+);
+
+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,
+                unsigned long nr_lumpy_taken,
+                unsigned long nr_lumpy_dirty,
+                unsigned long nr_lumpy_failed,
+                int isolate_mode),
+
+        TP_ARGS(order, nr_requested, nr_scanned, nr_taken, nr_lumpy_taken, nr_lumpy_dirty, nr_lumpy_failed, isolate_mode)
+
+);
+
+TRACE_EVENT(mm_vmscan_writepage,
+
+        TP_PROTO(struct page *page,
+                int reclaim_flags),
+
+        TP_ARGS(page, reclaim_flags),
+
+        TP_STRUCT__entry(
+                __field(struct page *, page)
+                __field(int, reclaim_flags)
+        ),
+
+        TP_fast_assign(
+                __entry->page = page;
+                __entry->reclaim_flags = reclaim_flags;
+        ),
+
+        TP_printk("page=%p pfn=%lu flags=%s",
+                __entry->page,
+                page_to_pfn(__entry->page),
+                show_reclaim_flags(__entry->reclaim_flags))
+);
+
+#endif /* _TRACE_VMSCAN_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>