author | pliden |
Wed, 13 Mar 2019 11:31:00 +0100 | |
changeset 54094 | ed3c6f07faab |
parent 50979 | 270b11dadbaf |
child 54834 | 39ba09047e19 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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#include "precompiled.hpp" |
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#include "gc/z/zGlobals.hpp" |
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#include "gc/z/zPhysicalMemory.inline.hpp" |
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#include "utilities/debug.hpp" |
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#include "unittest.hpp" |
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#if defined(AMD64) |
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TEST(ZPhysicalMemorySegmentTest, split) { |
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ZPhysicalMemorySegment seg(0, 10 * ZGranuleSize); |
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ZPhysicalMemorySegment seg_split0 = seg.split(0 * ZGranuleSize); |
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EXPECT_EQ(seg_split0.size(), 0 * ZGranuleSize); |
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EXPECT_EQ( seg.size(), 10 * ZGranuleSize); |
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ZPhysicalMemorySegment seg_split1 = seg.split(5 * ZGranuleSize); |
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EXPECT_EQ(seg_split1.size(), 5 * ZGranuleSize); |
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EXPECT_EQ( seg.size(), 5 * ZGranuleSize); |
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ZPhysicalMemorySegment seg_split2 = seg.split(5 * ZGranuleSize); |
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EXPECT_EQ(seg_split2.size(), 5 * ZGranuleSize); |
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EXPECT_EQ( seg.size(), 0 * ZGranuleSize); |
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ZPhysicalMemorySegment seg_split3 = seg.split(0 * ZGranuleSize); |
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EXPECT_EQ(seg_split3.size(), 0 * ZGranuleSize); |
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EXPECT_EQ( seg.size(), 0 * ZGranuleSize); |
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} |
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TEST(ZPhysicalMemoryTest, split) { |
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ZPhysicalMemoryManager pmem_manager(10 * ZGranuleSize); |
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pmem_manager.try_ensure_unused_capacity(10 * ZGranuleSize); |
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EXPECT_EQ(pmem_manager.unused_capacity(), 10 * ZGranuleSize); |
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ZPhysicalMemory pmem = pmem_manager.alloc(8 * ZGranuleSize); |
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EXPECT_EQ(pmem.nsegments(), 1u) << "wrong number of segments"; |
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ZPhysicalMemory split0_pmem = pmem.split(ZGranuleSize); |
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EXPECT_EQ(split0_pmem.nsegments(), 1u); |
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EXPECT_EQ( pmem.nsegments(), 1u); |
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EXPECT_EQ(split0_pmem.size(), 1 * ZGranuleSize); |
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EXPECT_EQ( pmem.size(), 7 * ZGranuleSize); |
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ZPhysicalMemory split1_pmem = pmem.split(2 * ZGranuleSize); |
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EXPECT_EQ(split1_pmem.nsegments(), 1u); |
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EXPECT_EQ( pmem.nsegments(), 1u); |
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EXPECT_EQ(split1_pmem.size(), 2 * ZGranuleSize); |
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EXPECT_EQ( pmem.size(), 5 * ZGranuleSize); |
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ZPhysicalMemory split2_pmem = pmem.split(5 * ZGranuleSize); |
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EXPECT_EQ(split2_pmem.nsegments(), 1u); |
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EXPECT_EQ( pmem.nsegments(), 1u); |
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EXPECT_EQ(split2_pmem.size(), 5 * ZGranuleSize); |
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EXPECT_EQ( pmem.size(), 0 * ZGranuleSize); |
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} |
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#endif |