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-rw-r--r--module/zfs/arc.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/module/zfs/arc.c b/module/zfs/arc.c
index 2220c4d9d..cfd4c7981 100644
--- a/module/zfs/arc.c
+++ b/module/zfs/arc.c
@@ -271,6 +271,21 @@ typedef struct arc_stats {
kstat_named_t arcstat_hdr_size;
kstat_named_t arcstat_data_size;
kstat_named_t arcstat_other_size;
+ kstat_named_t arcstat_anon_size;
+ kstat_named_t arcstat_anon_evict_data;
+ kstat_named_t arcstat_anon_evict_metadata;
+ kstat_named_t arcstat_mru_size;
+ kstat_named_t arcstat_mru_evict_data;
+ kstat_named_t arcstat_mru_evict_metadata;
+ kstat_named_t arcstat_mru_ghost_size;
+ kstat_named_t arcstat_mru_ghost_evict_data;
+ kstat_named_t arcstat_mru_ghost_evict_metadata;
+ kstat_named_t arcstat_mfu_size;
+ kstat_named_t arcstat_mfu_evict_data;
+ kstat_named_t arcstat_mfu_evict_metadata;
+ kstat_named_t arcstat_mfu_ghost_size;
+ kstat_named_t arcstat_mfu_ghost_evict_data;
+ kstat_named_t arcstat_mfu_ghost_evict_metadata;
kstat_named_t arcstat_l2_hits;
kstat_named_t arcstat_l2_misses;
kstat_named_t arcstat_l2_feeds;
@@ -336,6 +351,21 @@ static arc_stats_t arc_stats = {
{ "hdr_size", KSTAT_DATA_UINT64 },
{ "data_size", KSTAT_DATA_UINT64 },
{ "other_size", KSTAT_DATA_UINT64 },
+ { "anon_size", KSTAT_DATA_UINT64 },
+ { "anon_evict_data", KSTAT_DATA_UINT64 },
+ { "anon_evict_metadata", KSTAT_DATA_UINT64 },
+ { "mru_size", KSTAT_DATA_UINT64 },
+ { "mru_evict_data", KSTAT_DATA_UINT64 },
+ { "mru_evict_metadata", KSTAT_DATA_UINT64 },
+ { "mru_ghost_size", KSTAT_DATA_UINT64 },
+ { "mru_ghost_evict_data", KSTAT_DATA_UINT64 },
+ { "mru_ghost_evict_metadata", KSTAT_DATA_UINT64 },
+ { "mfu_size", KSTAT_DATA_UINT64 },
+ { "mfu_evict_data", KSTAT_DATA_UINT64 },
+ { "mfu_evict_metadata", KSTAT_DATA_UINT64 },
+ { "mfu_ghost_size", KSTAT_DATA_UINT64 },
+ { "mfu_ghost_evict_data", KSTAT_DATA_UINT64 },
+ { "mfu_ghost_evict_metadata", KSTAT_DATA_UINT64 },
{ "l2_hits", KSTAT_DATA_UINT64 },
{ "l2_misses", KSTAT_DATA_UINT64 },
{ "l2_feeds", KSTAT_DATA_UINT64 },
@@ -3639,6 +3669,48 @@ arc_tempreserve_space(uint64_t reserve, uint64_t txg)
return (0);
}
+static void
+arc_kstat_update_state(arc_state_t *state, kstat_named_t *size,
+ kstat_named_t *evict_data, kstat_named_t *evict_metadata)
+{
+ size->value.ui64 = state->arcs_size;
+ evict_data->value.ui64 = state->arcs_lsize[ARC_BUFC_DATA];
+ evict_metadata->value.ui64 = state->arcs_lsize[ARC_BUFC_METADATA];
+}
+
+static int
+arc_kstat_update(kstat_t *ksp, int rw)
+{
+ arc_stats_t *as = ksp->ks_data;
+
+ if (rw == KSTAT_WRITE) {
+ return (EACCES);
+ } else {
+ arc_kstat_update_state(arc_anon,
+ &as->arcstat_anon_size,
+ &as->arcstat_anon_evict_data,
+ &as->arcstat_anon_evict_metadata);
+ arc_kstat_update_state(arc_mru,
+ &as->arcstat_mru_size,
+ &as->arcstat_mru_evict_data,
+ &as->arcstat_mru_evict_metadata);
+ arc_kstat_update_state(arc_mru_ghost,
+ &as->arcstat_mru_ghost_size,
+ &as->arcstat_mru_ghost_evict_data,
+ &as->arcstat_mru_ghost_evict_metadata);
+ arc_kstat_update_state(arc_mfu,
+ &as->arcstat_mfu_size,
+ &as->arcstat_mfu_evict_data,
+ &as->arcstat_mfu_evict_metadata);
+ arc_kstat_update_state(arc_mru_ghost,
+ &as->arcstat_mfu_ghost_size,
+ &as->arcstat_mfu_ghost_evict_data,
+ &as->arcstat_mfu_ghost_evict_metadata);
+ }
+
+ return (0);
+}
+
void
arc_init(void)
{
@@ -3767,6 +3839,7 @@ arc_init(void)
if (arc_ksp != NULL) {
arc_ksp->ks_data = &arc_stats;
+ arc_ksp->ks_update = arc_kstat_update;
kstat_install(arc_ksp);
}