diff options
Diffstat (limited to 'tests/zfs-tests')
| -rw-r--r-- | tests/zfs-tests/tests/functional/arc/Makefile.am | 1 | ||||
| -rwxr-xr-x | tests/zfs-tests/tests/functional/arc/arcstats_runtime_tuning.ksh | 46 | ||||
| -rw-r--r-- | tests/zfs-tests/tests/perf/perf.shlib | 17 |
3 files changed, 64 insertions, 0 deletions
diff --git a/tests/zfs-tests/tests/functional/arc/Makefile.am b/tests/zfs-tests/tests/functional/arc/Makefile.am index 22704fa51..809d0346f 100644 --- a/tests/zfs-tests/tests/functional/arc/Makefile.am +++ b/tests/zfs-tests/tests/functional/arc/Makefile.am @@ -2,6 +2,7 @@ pkgdatadir = $(datadir)/@PACKAGE@/zfs-tests/tests/functional/arc dist_pkgdata_SCRIPTS = \ cleanup.ksh \ setup.ksh \ + arcstats_runtime_tuning.ksh \ dbufstats_001_pos.ksh \ dbufstats_002_pos.ksh \ dbufstats_003_pos.ksh diff --git a/tests/zfs-tests/tests/functional/arc/arcstats_runtime_tuning.ksh b/tests/zfs-tests/tests/functional/arc/arcstats_runtime_tuning.ksh new file mode 100755 index 000000000..6d007aecf --- /dev/null +++ b/tests/zfs-tests/tests/functional/arc/arcstats_runtime_tuning.ksh @@ -0,0 +1,46 @@ +#!/bin/ksh -p +# +# This file and its contents are supplied under the terms of the +# Common Development and Distribution License ("CDDL"), version 1.0. +# You may only use this file in accordance with the terms of version +# 1.0 of the CDDL. +# +# A full copy of the text of the CDDL should have accompanied this +# source. A copy of the CDDL is also available via the Internet at +# http://www.illumos.org/license/CDDL. +# + +# +# Copyright 2019, loli10K <[email protected]>. All rights reserved. +# + +. $STF_SUITE/include/libtest.shlib +. $STF_SUITE/tests/perf/perf.shlib + +function cleanup +{ + # Set tunables to their recorded actual size and then to their original + # value: this works for previously unconfigured tunables. + log_must set_tunable64 zfs_arc_min "$MINSIZE" + log_must set_tunable64 zfs_arc_min "$ZFS_ARC_MIN" + log_must set_tunable64 zfs_arc_max "$MAXSIZE" + log_must set_tunable64 zfs_arc_max "$ZFS_ARC_MAX" +} + +log_onexit cleanup + +ZFS_ARC_MAX="$(get_tunable zfs_arc_max)" +ZFS_ARC_MIN="$(get_tunable zfs_arc_min)" +MINSIZE="$(get_min_arc_size)" +MAXSIZE="$(get_max_arc_size)" + +log_assert "ARC tunables should be updated dynamically" + +for size in $((MAXSIZE/4)) $((MAXSIZE/3)) $((MAXSIZE/2)) $MAXSIZE; do + log_must set_tunable64 zfs_arc_max "$size" + log_must test "$(get_max_arc_size)" == "$size" + log_must set_tunable64 zfs_arc_min "$size" + log_must test "$(get_min_arc_size)" == "$size" +done + +log_pass "ARC tunables can be updated dynamically" diff --git a/tests/zfs-tests/tests/perf/perf.shlib b/tests/zfs-tests/tests/perf/perf.shlib index 69e61e9fd..e2e84ca02 100644 --- a/tests/zfs-tests/tests/perf/perf.shlib +++ b/tests/zfs-tests/tests/perf/perf.shlib @@ -373,6 +373,23 @@ function get_directory echo $directory } +function get_min_arc_size +{ + if is_linux; then + typeset -l min_arc_size=`awk '$1 == "c_min" { print $3 }' \ + /proc/spl/kstat/zfs/arcstats` + else + typeset -l min_arc_size=$(dtrace -qn 'BEGIN { + printf("%u\n", `arc_stats.arcstat_c_min.value.ui64); + exit(0); + }') + fi + + [[ $? -eq 0 ]] || log_fail "get_min_arc_size failed" + + echo $min_arc_size +} + function get_max_arc_size { if is_linux; then |