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Diffstat (limited to 'tests/rm/ext3-perf')
-rwxr-xr-x | tests/rm/ext3-perf | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/tests/rm/ext3-perf b/tests/rm/ext3-perf deleted file mode 100755 index 97b0a17b3..000000000 --- a/tests/rm/ext3-perf +++ /dev/null @@ -1,83 +0,0 @@ -#!/bin/sh -# ensure that "rm -rf DIR-with-many-entries" is not O(N^2) - -# Copyright (C) 2008-2012 Free Software Foundation, Inc. - -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. - -. "${srcdir=.}/init.sh"; path_prepend_ ../src -print_ver_ rm - -very_expensive_ - -# Using rm -rf to remove a 400k-entry directory takes: -# - 9 seconds with the patch, on a 2-yr-old system -# - 350 seconds without the patch, on a high-end system (disk 20-30% faster) -threshold_seconds=60 - -# The number of entries in our test directory. -n=400000 - -# Choose a value that is large enough to ensure an accidentally -# regressed rm would require much longer than $threshold_seconds to remove -# the directory. With n=400k, pre-patch GNU rm would require about 350 -# seconds even on a fast disk. On a relatively modern system, the -# patched version of rm requires about 10 seconds, so even if you -# choose to enable very expensive tests with a disk that is much slower, -# the test should still succeed. - -# Skip unless "." is on an ext[34] file system. -# FIXME-maybe: try to find a suitable file system or allow -# the user to specify it via an envvar. -df -T -t ext3 -t ext4dev -t ext4 . \ - || skip_ 'this test runs only on an ext3 or ext4 file system' - -# Skip if there are too few inodes free. Require some slack. -free_inodes=$(stat -f --format=%d .) || framework_failure_ -min_free_inodes=$(expr 12 \* $n / 10) -test $min_free_inodes -lt $free_inodes \ - || skip_ "too few free inodes on '.': $free_inodes;" \ - "this test requires at least $min_free_inodes" - -ok=0 -start=$(date +%s) -mkdir d && - cd d && - seq $n | xargs touch && - test -f 1 && - test -f $n && - cd .. && - ok=1 -test $ok = 1 || framework_failure_ -setup_duration=$(expr $(date +%s) - $start) -echo creating a $n-entry directory took $setup_duration seconds - -# If set-up took longer than the default $threshold_seconds, -# use the longer set-up duration as the limit. -test $threshold_seconds -lt $setup_duration \ - && threshold_seconds=$setup_duration - -start=$(date +%s) -timeout ${threshold_seconds}s rm -rf d; err=$? -duration=$(expr $(date +%s) - $start) - -case $err in - 124) fail=1; echo rm took longer than $threshold_seconds seconds;; - 0) ;; - *) fail=1;; -esac - -echo removing a $n-entry directory took $duration seconds - -Exit $fail |