From: Darrick J. Wong <darrick.wong@oracle.com>
Date: Tue, 26 Feb 2019 02:35:29 +0000 (-0800)
Subject: fstests: don't oom the box opening tmpfiles
X-Git-Tag: v2022.05.01~1241
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=dd2c726684ed0502f4a47cc182854d9dd7aac903;p=xfstests-dev.git

fstests: don't oom the box opening tmpfiles

For the t_open_tmpfiles tests, limit ourselves to half of file-max
so that we don't OOM the test machine.

[Eryu: fix comments too to match the new limit]

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
---

diff --git a/tests/generic/530 b/tests/generic/530
index a2968d25..b0d188b1 100755
--- a/tests/generic/530
+++ b/tests/generic/530
@@ -39,10 +39,10 @@ rm -f $seqres.full
 _scratch_mkfs >> $seqres.full 2>&1
 _scratch_mount
 
-# Set ULIMIT_NOFILE to min(file-max, 50000 files per LOAD_FACTOR)
+# Set ULIMIT_NOFILE to min(file-max / 2, 50000 files per LOAD_FACTOR)
 # so that this test doesn't take forever or OOM the box
 max_files=$((50000 * LOAD_FACTOR))
-max_allowable_files=$(( $(cat /proc/sys/fs/file-max) ))
+max_allowable_files=$(( $(cat /proc/sys/fs/file-max) / 2 ))
 test $max_allowable_files -gt 0 && test $max_files -gt $max_allowable_files && \
 	max_files=$max_allowable_files
 ulimit -n $max_files
diff --git a/tests/generic/531 b/tests/generic/531
index f3eb5cde..8ce4cc93 100755
--- a/tests/generic/531
+++ b/tests/generic/531
@@ -41,10 +41,10 @@ _scratch_mount
 # Try to load up all the CPUs, two threads per CPU.
 nr_cpus=$(( $(getconf _NPROCESSORS_ONLN) * 2 ))
 
-# Set ULIMIT_NOFILE to min(file-max, 50000 files per LOAD_FACTOR)
+# Set ULIMIT_NOFILE to min(file-max / 2, 50000 files per LOAD_FACTOR)
 # so that this test doesn't take forever or OOM the box
 max_files=$((50000 * LOAD_FACTOR))
-max_allowable_files=$(( $(cat /proc/sys/fs/file-max) ))
+max_allowable_files=$(( $(cat /proc/sys/fs/file-max) / 2 ))
 test $max_allowable_files -gt 0 && test $max_files -gt $max_allowable_files && \
 	max_files=$max_allowable_files
 ulimit -n $max_files
diff --git a/tests/xfs/501 b/tests/xfs/501
index 51cdb020..974f3414 100755
--- a/tests/xfs/501
+++ b/tests/xfs/501
@@ -44,10 +44,10 @@ rm -f $seqres.full
 _scratch_mkfs >> $seqres.full 2>&1
 _scratch_mount
 
-# Set ULIMIT_NOFILE to min(file-max, 30000 files per LOAD_FACTOR)
+# Set ULIMIT_NOFILE to min(file-max / 2, 30000 files per LOAD_FACTOR)
 # so that this test doesn't take forever or OOM the box
 max_files=$((30000 * LOAD_FACTOR))
-max_allowable_files=$(( $(cat /proc/sys/fs/file-max) ))
+max_allowable_files=$(( $(cat /proc/sys/fs/file-max) / 2 ))
 test $max_allowable_files -gt 0 && test $max_files -gt $max_allowable_files && \
 	max_files=$max_allowable_files
 ulimit -n $max_files
diff --git a/tests/xfs/502 b/tests/xfs/502
index bfb063f4..0a7921a3 100755
--- a/tests/xfs/502
+++ b/tests/xfs/502
@@ -43,10 +43,10 @@ _scratch_mount
 # Load up all the CPUs, two threads per CPU.
 nr_cpus=$(( $(getconf _NPROCESSORS_ONLN) * 2 ))
 
-# Set ULIMIT_NOFILE to min(file-max, 30000 files per cpu per LOAD_FACTOR)
+# Set ULIMIT_NOFILE to min(file-max / 2, 30000 files per cpu per LOAD_FACTOR)
 # so that this test doesn't take forever or OOM the box
 max_files=$((30000 * LOAD_FACTOR))
-max_allowable_files=$(( $(cat /proc/sys/fs/file-max) ))
+max_allowable_files=$(( $(cat /proc/sys/fs/file-max) / 2 ))
 test $max_allowable_files -gt 0 && test $max_files -gt $max_allowable_files && \
 	max_files=$max_allowable_files
 ulimit -n $max_files