[PATCH] tests: make the new many-partitions test fail if it takes "too long"

[Jim Meyering]

FYI,

Just printing the elapsed time is not enough.
Make it more obvious when some aspect (BLKPG?) of an older kernel
makes adding many partitions take too long.

>From eedc6d77dc4b3488decd4dce9cb8cafaa95755ce Mon Sep 17 00:00:00 2001
From: Jim Meyering <address@hidden>
Date: Thu, 6 May 2010 18:37:21 +0200
Subject: [PATCH] tests: make the new many-partitions test fail if it takes "too 
long"

* tests/t9040-many-partitions.sh: Fail if creating 60 partitions
takes more than a minute.
---
 tests/t9040-many-partitions.sh |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/tests/t9040-many-partitions.sh b/tests/t9040-many-partitions.sh
index 0afc315..c41ecfc 100644
--- a/tests/t9040-many-partitions.sh
+++ b/tests/t9040-many-partitions.sh
@@ -69,8 +69,13 @@ while :; do
     i=$((i+1))
 done
 t_final=$(date +%s.%N)
-$AWK 'BEGIN {printf "created %d partitions in %.2f seconds\n",'\
-"$n_partitions, $t_final - $t0 }" /dev/null
+
+# Fail the test if it takes too long.
+# On Fedora 13, it takes about 15 seconds.
+# With older kernels, it typically takes more than 150 seconds.
+$AWK "BEGIN {d = $t_final - $t0; n = $n_partitions; st = 60 < d;"\
+' printf "created %d partitions in %.2f seconds\n", n, d; exit st }' /dev/null 
\
+    || fail=1

 parted -m -s $scsi_dev u s p > out || fail=1
 compare out exp || fail=1
--
1.7.1.166.gf2086