From: Ruben Kerkhof <ruben@rubenkerkhof.com>
Date: Wed, 27 Apr 2016 11:07:38 +0000 (+0200)
Subject: zfs_arc plugin: add memory_throttle_count stat
X-Git-Tag: collectd-5.6.0~301^2~3
X-Git-Url: https://git.octo.it/?a=commitdiff_plain;h=a14e7d028532ae06e5ea3e4d89bafcfcb3481467;hp=ebc6c192ae9a348ecb2ab90faba4874f1e02fd47;p=collectd.git

zfs_arc plugin: add memory_throttle_count stat

This tells you how often the ARC has been shrunk to release
memory for other processes.
---

diff --git a/src/types.db b/src/types.db
index deae1afa..0c5a4334 100644
--- a/src/types.db
+++ b/src/types.db
@@ -111,6 +111,7 @@ memcached_octets        rx:DERIVE:0:U, tx:DERIVE:0:U
 memcached_ops           value:DERIVE:0:U
 memory                  value:GAUGE:0:281474976710656
 memory_lua              value:GAUGE:0:281474976710656
+memory_throttle_count   value:DERIVE:0:U
 multimeter              value:GAUGE:U:U
 mutex_operations        value:DERIVE:0:U
 mysql_bpool_bytes       value:GAUGE:0:U
diff --git a/src/zfs_arc.c b/src/zfs_arc.c
index 3354de80..e4b92a5e 100644
--- a/src/zfs_arc.c
+++ b/src/zfs_arc.c
@@ -295,6 +295,7 @@ static int za_read (void)
 	/* Issue indicators */
 	za_read_derive (ksp, "mutex_miss", "mutex_operations", "miss");
 	za_read_derive (ksp, "hash_collisions", "hash_collisions", "");
+	za_read_derive (ksp, "memory_throttle_count", "memory_throttle_count", "");
 
 	/* Evictions */
 	za_read_derive (ksp, "evict_l2_cached",     "cache_eviction", "cached");