zfs_arc plugin: Introduce the single-valued "mutex_operation" type.

diff --git a/src/types.db b/src/types.db
index d818b93..4d3951b 100644 (file)
--- a/src/types.db
+++ b/src/types.db
@@ -95,7 +95,7 @@ memcached_octets      rx:DERIVE:0:U, tx:DERIVE:0:U
 memcached_ops          value:DERIVE:0:U
 memory                 value:GAUGE:0:281474976710656
 multimeter             value:GAUGE:U:U
-mutex                   mutex_miss:COUNTER:0:U
+mutex_operations       value:DERIVE:0:U
 mysql_commands         value:DERIVE:0:U
 mysql_handler          value:DERIVE:0:U
 mysql_locks            value:DERIVE:0:U

diff --git a/src/zfs_arc.c b/src/zfs_arc.c
index 8b4c788..12f3286 100644 (file)
--- a/src/zfs_arc.c
+++ b/src/zfs_arc.c
@@ -75,15 +75,6 @@ static void za_submit_ratio (const char* type_instance, gauge_t hits, gauge_t mi
        za_submit_gauge ("cache_ratio", type_instance, ratio);
 }
 
-static void za_submit_mutex_counts (derive_t mutex_miss)
-{
-       value_t values[1];
-
-       values[0].counter = mutex_miss;
-
-       za_submit ("mutex", "counts", values, STATIC_ARRAY_SIZE(values));
-}
-
 static void za_submit_deleted_counts (derive_t deleted)
 {
        value_t values[1];
@@ -134,7 +125,8 @@ static int za_read (void)
        za_submit_gauge ("cache_size", "arc", arc_size);
        za_submit_gauge ("cache_size", "L2", l2_size);
 
-       mutex_miss               = get_kstat_value(ksp, "mutex_miss"); 
+       mutex_miss = get_kstat_value (ksp, "mutex_miss");
+       za_submit_derive ("mutex_operation", "miss", mutex_miss);
 
        deleted                  = get_kstat_value(ksp, "deleted");
        
@@ -184,8 +176,6 @@ static int za_read (void)
 
        za_submit ("io_octets", "L2", l2_io, /* num values = */ 2);
 
-       za_submit_mutex_counts (mutex_miss);
-
        za_submit_deleted_counts (deleted);
 
        za_submit_hash_counts (deleted);