From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf0-f194.google.com ([209.85.192.194]:37629 "EHLO mail-pf0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932416AbdGSWZr (ORCPT ); Wed, 19 Jul 2017 18:25:47 -0400 Received: by mail-pf0-f194.google.com with SMTP id d18so937732pfe.4 for ; Wed, 19 Jul 2017 15:25:47 -0700 (PDT) From: Eric Biggers Subject: [PATCH] generic/192: use shorter sleep and tolerate 2s delay Date: Wed, 19 Jul 2017 15:25:08 -0700 Message-Id: <20170719222508.145781-1-ebiggers3@gmail.com> Sender: fstests-owner@vger.kernel.org To: fstests@vger.kernel.org Cc: Eric Biggers List-ID: From: Eric Biggers generic/192 would sleep 40 seconds, update a file's atime, and then fail if the atime was not exactly 40 seconds later. This is unreliable since things may be slow enough to cause an extra second to elapse. "Fix" this by allowing for 2 seconds of delay. Also, while we're at it shorten the sleep to a much more reasonable 5 seconds. Signed-off-by: Eric Biggers --- tests/generic/192 | 13 +++++-------- tests/generic/192.out | 6 +++--- 2 files changed, 8 insertions(+), 11 deletions(-) diff --git a/tests/generic/192 b/tests/generic/192 index d3ed0ec0..2cee2e60 100755 --- a/tests/generic/192 +++ b/tests/generic/192 @@ -48,11 +48,7 @@ _supported_fs generic _supported_os Linux _require_test _require_atime -#delay=150 -#delay=75 -#delay=60 -#delay=45 -delay=40 +delay=5 testfile=$TEST_DIR/testfile rm -f $testfile @@ -61,7 +57,7 @@ rm -f $seqres.full echo test >$testfile time1=`_access_time $testfile | tee -a $seqres.full` -echo "sleep for $delay" +echo "sleep for $delay seconds" sleep $delay # sleep to allow time to move on for access cat $testfile time2=`_access_time $testfile | tee -a $seqres.full` @@ -73,8 +69,9 @@ time3=`_access_time $testfile | tee -a $seqres.full` delta1=`expr $time2 - $time1` delta2=`expr $time3 - $time1` -echo "delta1 - access time after sleep in-core: $delta1" -echo "delta2 - access time after sleep on-disk: $delta2" +# tolerate an atime up to 2s later than the ideal case +_within_tolerance "delta1" $delta1 $delay 0 2 -v +_within_tolerance "delta2" $delta2 $delta1 0 0 -v # success, all done status=0 diff --git a/tests/generic/192.out b/tests/generic/192.out index 7e1f6996..f3b41141 100644 --- a/tests/generic/192.out +++ b/tests/generic/192.out @@ -1,5 +1,5 @@ QA output created by 192 -sleep for 40 +sleep for 5 seconds test -delta1 - access time after sleep in-core: 40 -delta2 - access time after sleep on-disk: 40 +delta1 is in range +delta2 is in range -- 2.14.0.rc0.284.gd933b75aa4-goog