From patchwork Tue Jun 21 16:01:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Disseldorp X-Patchwork-Id: 12889472 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 08F12CCA481 for ; Tue, 21 Jun 2022 16:03:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353626AbiFUQDI (ORCPT ); Tue, 21 Jun 2022 12:03:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46306 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353628AbiFUQCp (ORCPT ); Tue, 21 Jun 2022 12:02:45 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 24A4F2DD77 for ; Tue, 21 Jun 2022 09:02:03 -0700 (PDT) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id A37BC21C3A; Tue, 21 Jun 2022 16:02:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1655827321; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=wm202VUpLwLstxBwUKzMir2O1PtmLNEyCooM1ghVLzI=; b=xF8ELxympDdNC5QFzNjhKfMF4IViosPG5NvGrHd5F7EXbCrreAiw7gyM+1FwMOPKFuiYkz KRrgRZxngGlVX4WHs8QML/tW6lNu0t6uD2t8RlZ2lGx+4DLnQITraYCHcWvve4P7nUaQp4 JL/YWDbgmYwb6eXgZOvbvFRVEbRsqV0= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1655827321; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=wm202VUpLwLstxBwUKzMir2O1PtmLNEyCooM1ghVLzI=; b=7iQ3fRjrl4LViHYu4Uz8K2ThLTBe/SZFnPr67CSnzGfkNK4CKxb2w2/BkstFm6/xL1r0xw TYMVOX0utXv30yBQ== Received: from echidna.suse.de (ddiss.udp.ovpn2.nue.suse.de [10.163.47.146]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by relay2.suse.de (Postfix) with ESMTPS id 842022C142; Tue, 21 Jun 2022 16:02:01 +0000 (UTC) From: David Disseldorp To: fstests@vger.kernel.org, tytso@mit.edu Cc: David Disseldorp Subject: [RFC PATCH 2/2] check: add -L parameter to rerun failed tests Date: Tue, 21 Jun 2022 18:01:53 +0200 Message-Id: <20220621160153.29591-3-ddiss@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20220621160153.29591-1-ddiss@suse.de> References: <20220621160153.29591-1-ddiss@suse.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org If check is run with -L , then a failed test will be rerun times before proceeding to the next test. Following completion of the rerun loop, aggregate pass/fail statistics are printed. Caveats: - rerun tests will be tracked as a single failure in @try and @bad + xunit reports do not include any rerun details - .bad files generated on failure will be overwritten by test reruns Suggested-by: Theodore Ts'o Link: https://lwn.net/Articles/897061/ Signed-off-by: David Disseldorp --- check | 86 +++++++++++++++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 75 insertions(+), 11 deletions(-) diff --git a/check b/check index 3e8a232c..97fa50ad 100755 --- a/check +++ b/check @@ -26,6 +26,7 @@ do_report=false DUMP_OUTPUT=false iterations=1 istop=false +loop_on_fail=0 # This is a global variable used to pass test failure text to reporting gunk _err_msg="" @@ -75,6 +76,7 @@ check options --large-fs optimise scratch device for large filesystems -s section run only specified section from config file -S section exclude the specified section from the config file + -L loop tests times following a failure, measuring aggregate pass/fail metrics testlist options -g group[,group...] include tests from these groups @@ -333,6 +335,7 @@ while [ $# -gt 0 ]; do ;; --large-fs) export LARGE_SCRATCH_DEV=yes ;; --extra-space=*) export SCRATCH_DEV_EMPTY_SPACE=${r#*=} ;; + -L) loop_on_fail=$2; shift ;; -*) usage ;; *) # not an argument, we've got tests now. @@ -606,6 +609,40 @@ _run_seq() { fi } +# Check whether the last test should be rerun according to loop-on-error state +# and return "0" if so, otherwise return "1". +_ix_inc() { + local test_status="$1" + local loop_len="$2" + + if ((!loop_on_fail)); then + echo 1 + return + fi + + if [ "$test_status" == "fail" ] && ((!loop_len)); then + echo 0 # initial failure of this test, start loop-on-fail + elif ((loop_len > 0)) && ((loop_len < loop_on_fail)); then + echo 0 # continue loop following initial failure + else + echo 1 # completed or not currently in a failure loop + fi +} + +_failure_loop_dump_stats() { + local t="$1" && shift + awk "BEGIN { + n=split(\"$*\", arr);"' + for (i = 1; i <= n; i++) + stats[arr[i]]++; + printf("'"$t"' aggregate results across %d runs: ", n); + for (x in stats) + printf("%s=%d (%.1f%%)", (i-- > n ? x : ", " x), + stats[x], 100 * stats[x] / n); + print; + }' +} + _detect_kmemleak _prepare_test_list @@ -746,13 +783,33 @@ function run_section() seqres="$check" _check_test_fs - local tc_status="init" + local tc_status="init" ix prev_seq="" - for seq in $list ; do - # Run report for previous test! - _stash_test_status "$seqnum" "$tc_status" - if $do_report && [[ ! $tc_status =~ ^(init|expunge)$ ]]; then - _make_testcase_report "$prev_seq" "$tc_status" + local -a _list=( $list ) loop_status=() + for ((ix = 0; ix < ${#_list[*]}; + ix += $(_ix_inc "$tc_status" "${#loop_status[*]}"))); do + seq="${_list[$ix]}" + + if ((!loop_on_fail)); then + # Run report for previous test! + _stash_test_status "$seqnum" "$tc_status" + if $do_report && [[ ! $tc_status =~ ^(init|expunge)$ ]]; then + _make_testcase_report "$prev_seq" "$tc_status" + fi + else + if [ "$seq" == "$prev_seq" ]; then + if ((!${#loop_status[*]})); then + _stash_test_status "$seqnum" "$tc_status" + if $do_report; then + _make_testcase_report "$prev_seq" "$tc_status" + fi + fi + loop_status+=("$tc_status") + elif ((${#loop_status[*]})); then + loop_status+=("$tc_status") + _failure_loop_dump_stats "$seqnum" "${loop_status[@]}" + loop_status=() + fi fi prev_seq="$seq" @@ -822,7 +879,9 @@ function run_section() fi # record that we really tried to run this test. - try+=("$seqnum") + if ((!${#loop_status[*]})); then + try+=("$seqnum") + fi awk 'BEGIN {lasttime=" "} \ $1 == "'$seqnum'" {lasttime=" " $2 "s ... "; exit} \ @@ -949,10 +1008,15 @@ function run_section() fi done - # make sure we record the status of the last test we ran. - _stash_test_status "$seqnum" "$tc_status" - if $do_report && [[ ! $tc_status =~ ^(init|expunge)$ ]]; then - _make_testcase_report "$prev_seq" "$tc_status" + if ((${#loop_status[*]})); then + loop_status+=("$tc_status") + _failure_loop_dump_stats "$seqnum" "${loop_status[@]}" + else + # make sure we record the status of the last test we ran. + _stash_test_status "$seqnum" "$tc_status" + if $do_report && [[ ! $tc_status =~ ^(init|expunge)$ ]]; then + _make_testcase_report "$prev_seq" "$tc_status" + fi fi sect_stop=`_wallclock`