add hash_collisions, deleted, mutex_miss, evict_*

diff --git a/src/zfs_arc.c b/src/zfs_arc.c
index 8341be0..5332d24 100644 (file)
--- a/src/zfs_arc.c
+++ b/src/zfs_arc.c
@@ -75,6 +75,45 @@ 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_evict_counts (counter_t evict_l2_cached, counter_t evict_l2_eligible,
+       counter_t evict_l2_ineligible)
+{
+       value_t values[3];
+
+       values[0].counter = evict_l2_cached;
+       values[1].counter = evict_l2_eligible;
+       values[2].counter = evict_l2_ineligible;
+
+       za_submit ("evict", "counts", values, STATIC_ARRAY_SIZE(values));
+}
+
+static void za_submit_mutex_counts (counter_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 (counter_t deleted)
+{
+       value_t values[1];
+
+       values[0].counter = deleted;
+
+       za_submit ("deleted", "counts", values, STATIC_ARRAY_SIZE(values));
+}
+
+static void za_submit_hash_counts (counter_t hash_collisions)
+{
+       value_t values[1];
+
+       values[0].counter = hash_collisions;
+
+       za_submit ("hash", "counts", values, STATIC_ARRAY_SIZE(values));
+}
+
 static int za_read (void)
 {
        gauge_t  arc_size, l2_size;
@@ -88,6 +127,10 @@ static int za_read (void)
                 prefetch_metadata_misses;
        gauge_t  arc_hits, arc_misses, l2_hits, l2_misses;
        value_t  l2_io[2];
+       counter_t mutex_miss;
+       counter_t deleted;
+       counter_t evict_l2_cached, evict_l2_eligible, evict_l2_ineligible;
+       counter_t hash_collisions;
 
        get_kstat (&ksp, "zfs", 0, "arcstats");
        if (ksp == NULL)
@@ -103,6 +146,16 @@ 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"); 
+
+       deleted                  = get_kstat_value(ksp, "deleted");
+       
+       evict_l2_cached          = get_kstat_value(ksp, "evict_l2_cached");
+       evict_l2_eligible        = get_kstat_value(ksp, "evict_l2_eligible");
+       evict_l2_ineligible      = get_kstat_value(ksp, "evict_l2_ineligible");
+       
+       hash_collisions          = get_kstat_value(ksp, "hash_collisions");
+
        /* Hits / misses */
        demand_data_hits       = get_kstat_value(ksp, "demand_data_hits");
        demand_metadata_hits   = get_kstat_value(ksp, "demand_metadata_hits");
@@ -139,6 +192,14 @@ static int za_read (void)
 
        za_submit ("io_octets", "L2", l2_io, /* num values = */ 2);
 
+       za_submit_evict_counts (evict_l2_cached, evict_l2_eligible, evict_l2_ineligible);
+
+       za_submit_mutex_counts (mutex_miss);
+
+       za_submit_deleted_counts (deleted);
+
+       za_submit_hash_counts (deleted);
+
        return (0);
 } /* int za_read */