4 files changed, 12 insertions, 0 deletions

diff --git a/lib/libmemstat/memstat.c b/lib/libmemstat/memstat.c
index 28e48138642b..1a08d3f4d462 100644
--- a/lib/libmemstat/memstat.c
+++ b/lib/libmemstat/memstat.c
@@ -188,6 +188,7 @@ _memstat_mt_reset_stats(struct memory_type *mtp)
 	mtp->mt_count = 0;
 	mtp->mt_free = 0;
 	mtp->mt_failures = 0;
+	mtp->mt_sleeps = 0;
 
 	mtp->mt_zonefree = 0;
 	mtp->mt_kegfree = 0;
@@ -304,6 +305,13 @@ memstat_get_failures(const struct memory_type *mtp)
 	return (mtp->mt_failures);
 }
 
+uint64_t
+memstat_get_sleeps(const struct memory_type *mtp)
+{
+
+	return (mtp->mt_sleeps);
+}
+
 void *
 memstat_get_caller_pointer(const struct memory_type *mtp, int index)
 {
diff --git a/lib/libmemstat/memstat.h b/lib/libmemstat/memstat.h
index aaa85702e0c5..e973f1a52db4 100644
--- a/lib/libmemstat/memstat.h
+++ b/lib/libmemstat/memstat.h
@@ -139,6 +139,7 @@ uint64_t	 memstat_get_bytes(const struct memory_type *mtp);
 uint64_t	 memstat_get_count(const struct memory_type *mtp);
 uint64_t	 memstat_get_free(const struct memory_type *mtp);
 uint64_t	 memstat_get_failures(const struct memory_type *mtp);
+uint64_t	 memstat_get_sleeps(const struct memory_type *mtp);
 void		*memstat_get_caller_pointer(const struct memory_type *mtp,
 		    int index);
 void		 memstat_set_caller_pointer(struct memory_type *mtp,
diff --git a/lib/libmemstat/memstat_internal.h b/lib/libmemstat/memstat_internal.h
index 7123518e283a..b7fdd7197cfe 100644
--- a/lib/libmemstat/memstat_internal.h
+++ b/lib/libmemstat/memstat_internal.h
@@ -65,6 +65,7 @@ struct memory_type {
 	uint64_t	 mt_count;	/* Number of current allocations. */
 	uint64_t	 mt_free;	/* Number of cached free items. */
 	uint64_t	 mt_failures;	/* Number of allocation failures. */
+	uint64_t	 mt_sleeps;	/* Number of allocation sleeps. */
 
 	/*
 	 * Caller-owned memory.
diff --git a/lib/libmemstat/memstat_uma.c b/lib/libmemstat/memstat_uma.c
index b24721fae5d9..4aae61a9bb05 100644
--- a/lib/libmemstat/memstat_uma.c
+++ b/lib/libmemstat/memstat_uma.c
@@ -208,6 +208,7 @@ retry:
 		mtp->mt_numallocs = uthp->uth_allocs;
 		mtp->mt_numfrees = uthp->uth_frees;
 		mtp->mt_failures = uthp->uth_fails;
+		mtp->mt_sleeps = uthp->uth_sleeps;
 
 		for (j = 0; j < maxcpus; j++) {
 			upsp = (struct uma_percpu_stat *)p;
@@ -402,6 +403,7 @@ memstat_kvm_uma(struct memory_type_list *list, void *kvm_handle)
 			mtp->mt_numallocs = uz.uz_allocs;
 			mtp->mt_numfrees = uz.uz_frees;
 			mtp->mt_failures = uz.uz_fails;
+			mtp->mt_sleeps = uz.uz_sleeps;
 			if (kz.uk_flags & UMA_ZFLAG_INTERNAL)
 				goto skip_percpu;
 			for (i = 0; i < mp_maxid + 1; i++) {