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zfs_arc plugin: get more MRU/MFU stats
author
Ruben Kerkhof
<ruben@rubenkerkhof.com>
Wed, 27 Apr 2016 12:01:58 +0000
(14:01 +0200)
committer
Ruben Kerkhof
<ruben@rubenkerkhof.com>
Wed, 27 Apr 2016 12:01:58 +0000
(14:01 +0200)
src/zfs_arc.c
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diff --git
a/src/zfs_arc.c
b/src/zfs_arc.c
index
4204a7e
..
37a918b
100644
(file)
--- a/
src/zfs_arc.c
+++ b/
src/zfs_arc.c
@@
-320,6
+320,11
@@
static int za_read (void)
za_read_derive (ksp, "demand_metadata_misses", "cache_result", "demand_metadata-miss");
za_read_derive (ksp, "prefetch_data_misses", "cache_result", "prefetch_data-miss");
za_read_derive (ksp, "prefetch_metadata_misses", "cache_result", "prefetch_metadata-miss");
za_read_derive (ksp, "demand_metadata_misses", "cache_result", "demand_metadata-miss");
za_read_derive (ksp, "prefetch_data_misses", "cache_result", "prefetch_data-miss");
za_read_derive (ksp, "prefetch_metadata_misses", "cache_result", "prefetch_metadata-miss");
+ za_read_derive (ksp, "mfu_hits", "cache_result", "mfu-hit");
+ za_read_derive (ksp, "mfu_ghost_hits", "cache_result", "mfu_ghost-hit");
+ za_read_derive (ksp, "mru_hits", "cache_result", "mru-hit");
+ za_read_derive (ksp, "mru_ghost_hits", "cache_result", "mru_ghost-hit");
+ za_read_derive (ksp, "prefetch_metadata_misses", "cache_result", "prefetch_metadata-miss");
/* Ratios */
arc_hits = (gauge_t) get_zfs_value(ksp, "hits");
/* Ratios */
arc_hits = (gauge_t) get_zfs_value(ksp, "hits");