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diff --git a/src/VBox/ValidationKit/testmanager/core/schedulerbeci.py b/src/VBox/ValidationKit/testmanager/core/schedulerbeci.py
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+# -*- coding: utf-8 -*-
+# $Id: schedulerbeci.py $
+
+"""
+Test Manager - Best-Effort-Continuous-Integration (BECI) scheduler.
+"""
+
+__copyright__ = \
+"""
+Copyright (C) 2012-2023 Oracle and/or its affiliates.
+
+This file is part of VirtualBox base platform packages, as
+available from https://www.virtualbox.org.
+
+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, in version 3 of the
+License.
+
+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 <https://www.gnu.org/licenses>.
+
+The contents of this file may alternatively be used under the terms
+of the Common Development and Distribution License Version 1.0
+(CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+in the VirtualBox distribution, in which case the provisions of the
+CDDL are applicable instead of those of the GPL.
+
+You may elect to license modified versions of this file under the
+terms and conditions of either the GPL or the CDDL or both.
+
+SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+"""
+__version__ = "$Revision: 155244 $"
+
+
+# Validation Kit imports.
+from testmanager.core.schedulerbase import SchedulerBase, SchedQueueData;
+
+
+class SchdulerBeci(SchedulerBase): # pylint: disable=too-few-public-methods
+ """
+ The best-effort-continuous-integration scheduler, BECI for short.
+ """
+
+ def __init__(self, oDb, oSchedGrpData, iVerbosity, tsSecStart):
+ SchedulerBase.__init__(self, oDb, oSchedGrpData, iVerbosity, tsSecStart);
+
+ def _recreateQueueItems(self, oData):
+ #
+ # Prepare the input data for the loop below. We compress the priority
+ # to reduce the number of loops we need to executes below.
+ #
+ # Note! For BECI test group priority only applies to the ordering of
+ # test groups, which has been resolved by the done sorting in the
+ # base class.
+ #
+ iMinPriority = 0x7fff;
+ iMaxPriority = 0;
+ for oTestGroup in oData.aoTestGroups:
+ for oTestCase in oTestGroup.aoTestCases:
+ iPrio = oTestCase.iSchedPriority;
+ assert iPrio in range(32);
+ iPrio = iPrio // 4;
+ assert iPrio in range(8);
+ if iPrio > iMaxPriority:
+ iMaxPriority = iPrio;
+ if iPrio < iMinPriority:
+ iMinPriority = iPrio;
+
+ oTestCase.iBeciPrio = iPrio;
+ oTestCase.iNextVariation = -1;
+
+ assert iMinPriority in range(8);
+ assert iMaxPriority in range(8);
+ assert iMinPriority <= iMaxPriority;
+
+ #
+ # Generate the
+ #
+ cMaxItems = len(oData.aoArgsVariations) * 64;
+ cMaxItems = min(cMaxItems, 1048576);
+
+ aoItems = [];
+ cNotAtEnd = len(oData.aoTestCases);
+ while len(aoItems) < cMaxItems:
+ self.msgDebug('outer loop: %s items' % (len(aoItems),));
+ for iPrio in range(iMaxPriority, iMinPriority - 1, -1):
+ #self.msgDebug('prio loop: %s' % (iPrio,));
+ for oTestGroup in oData.aoTestGroups:
+ #self.msgDebug('testgroup loop: %s' % (oTestGroup,));
+ for oTestCase in oTestGroup.aoTestCases:
+ #self.msgDebug('testcase loop: idTestCase=%s' % (oTestCase.idTestCase,));
+ if iPrio <= oTestCase.iBeciPrio and oTestCase.aoArgsVariations:
+ # Get variation.
+ iNext = oTestCase.iNextVariation;
+ if iNext != 0:
+ if iNext == -1: iNext = 0;
+ cNotAtEnd -= 1;
+ oArgsVariation = oTestCase.aoArgsVariations[iNext];
+
+ # Update next variation.
+ iNext = (iNext + 1) % len(oTestCase.aoArgsVariations);
+ cNotAtEnd += iNext != 0;
+ oTestCase.iNextVariation = iNext;
+
+ # Create queue item and append it.
+ oItem = SchedQueueData();
+ oItem.initFromValues(idSchedGroup = self._oSchedGrpData.idSchedGroup,
+ idGenTestCaseArgs = oArgsVariation.idGenTestCaseArgs,
+ idTestGroup = oTestGroup.idTestGroup,
+ aidTestGroupPreReqs = oTestGroup.aidTestGroupPreReqs,
+ bmHourlySchedule = oTestGroup.bmHourlySchedule,
+ cMissingGangMembers = oArgsVariation.cGangMembers,
+ offQueue = len(aoItems));
+ aoItems.append(oItem);
+
+ # Done?
+ if cNotAtEnd == 0:
+ self.msgDebug('returns %s items' % (len(aoItems),));
+ return aoItems;
+ return aoItems;
+