1 files changed, 40 insertions, 0 deletions

diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
index 08c1cd5af0d6..27e8a5c77579 100644
--- a/include/trace/events/vmscan.h
+++ b/include/trace/events/vmscan.h
@@ -15,6 +15,7 @@
 #define RECLAIM_WB_MIXED        0x0010u
 #define RECLAIM_WB_SYNC         0x0004u /* Unused, all reclaim async */
 #define RECLAIM_WB_ASYNC        0x0008u
+#define RECLAIM_WB_LRU          (RECLAIM_WB_ANON|RECLAIM_WB_FILE)
 
 #define show_reclaim_flags(flags)                               \
         (flags) ? __print_flags(flags, "|",                     \
@@ -426,6 +427,45 @@ TRACE_EVENT(mm_vmscan_lru_shrink_active,
                 show_reclaim_flags(__entry->reclaim_flags))
 );
 
+TRACE_EVENT(mm_vmscan_inactive_list_is_low,
+
+        TP_PROTO(int nid, int reclaim_idx,
+                unsigned long total_inactive, unsigned long inactive,
+                unsigned long total_active, unsigned long active,
+                unsigned long ratio, int file),
+
+        TP_ARGS(nid, reclaim_idx, total_inactive, inactive, total_active, active, ratio, file),
+
+        TP_STRUCT__entry(
+                __field(int, nid)
+                __field(int, reclaim_idx)
+                __field(unsigned long, total_inactive)
+                __field(unsigned long, inactive)
+                __field(unsigned long, total_active)
+                __field(unsigned long, active)
+                __field(unsigned long, ratio)
+                __field(int, reclaim_flags)
+        ),
+
+        TP_fast_assign(
+                __entry->nid = nid;
+                __entry->reclaim_idx = reclaim_idx;
+                __entry->total_inactive = total_inactive;
+                __entry->inactive = inactive;
+                __entry->total_active = total_active;
+                __entry->active = active;
+                __entry->ratio = ratio;
+                __entry->reclaim_flags = trace_shrink_flags(file) & RECLAIM_WB_LRU;
+        ),
+
+        TP_printk("nid=%d reclaim_idx=%d total_inactive=%ld inactive=%ld total_active=%ld active=%ld ratio=%ld flags=%s",
+                __entry->nid,
+                __entry->reclaim_idx,
+                __entry->total_inactive, __entry->inactive,
+                __entry->total_active, __entry->active,
+                __entry->ratio,
+                show_reclaim_flags(__entry->reclaim_flags))
+);
 #endif /* _TRACE_VMSCAN_H */
 
 /* This part must be outside protection */