1 | /* $Id: tstVDMultBackends.vd 98103 2023-01-17 14:15:46Z vboxsync $ */
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2 | /**
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3 | * Storage: Simple I/O test with different backends in one chain.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2011-2023 Oracle and/or its affiliates.
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8 | *
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9 | * This file is part of VirtualBox base platform packages, as
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10 | * available from https://www.virtualbox.org.
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11 | *
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12 | * This program is free software; you can redistribute it and/or
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13 | * modify it under the terms of the GNU General Public License
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14 | * as published by the Free Software Foundation, in version 3 of the
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15 | * License.
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16 | *
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17 | * This program is distributed in the hope that it will be useful, but
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18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 | * General Public License for more details.
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21 | *
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22 | * You should have received a copy of the GNU General Public License
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23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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24 | *
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25 | * SPDX-License-Identifier: GPL-3.0-only
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26 | */
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27 |
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28 | void tstIo(string strMessage, string strBackend)
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29 | {
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30 | print(strMessage);
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31 | createdisk("test", true /* fVerify */);
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32 | create("test", "base", "tst.disk", "dynamic", strBackend, 2G, false /* fIgnoreFlush */, false);
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33 | io("test", true, 32, "seq", 64K, 0, 2G, 200M, 100, "none");
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34 | io("test", false, 1, "seq", 64K, 0, 2G, 200M, 100, "none");
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35 | io("test", true, 32, "seq", 64K, 0, 2G, 200M, 0, "none");
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36 | io("test", false, 1, "seq", 64K, 0, 2G, 200M, 0, "none");
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37 | create("test", "diff", "tst2.disk", "dynamic", "VMDK", 2G, false /* fIgnoreFlush */, false);
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38 | io("test", true, 32, "rnd", 64K, 0, 2G, 200M, 50, "none");
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39 | io("test", false, 1, "rnd", 64K, 0, 2G, 200M, 50, "none");
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40 | create("test", "diff", "tst3.disk", "dynamic", "VMDK", 2G, false /* fIgnoreFlush */, false);
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41 | io("test", true, 32, "rnd", 64K, 0, 2G, 200M, 50, "none");
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42 | io("test", false, 1, "rnd", 64K, 0, 2G, 200M, 50, "none");
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43 | create("test", "diff", "tst4.disk", "dynamic", "VMDK", 2G, false /* fIgnoreFlush */, false);
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44 | io("test", true, 32, "rnd", 64K, 0, 2G, 200M, 50, "none");
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45 | io("test", true, 32, "rnd", 64K, 0, 2G, 200M, 0, "none");
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46 |
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47 | create("test", "diff", "tst5.disk", "dynamic", "VMDK", 2G, false /* fIgnoreFlush */, false);
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48 | io("test", true, 32, "rnd", 64K, 0, 2G, 200M, 50, "none");
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49 | io("test", true, 32, "rnd", 64K, 0, 2G, 200M, 0, "none");
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50 |
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51 | create("test", "diff", "tst6.disk", "dynamic", "VMDK", 2G, false /* fIgnoreFlush */, false);
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52 | io("test", true, 32, "rnd", 64K, 0, 2G, 200M, 50, "none");
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53 | io("test", true, 32, "rnd", 64K, 0, 2G, 200M, 0, "none");
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54 |
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55 | close("test", "single", true /* fDelete */);
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56 | close("test", "single", true /* fDelete */);
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57 | close("test", "single", true /* fDelete */);
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58 | destroydisk("test");
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59 | }
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60 |
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61 | void main()
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62 | {
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63 | /* Init I/O RNG for generating random data for writes */
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64 | iorngcreate(10M, "manual", 1234567890);
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65 |
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66 | tstIo("Testing VDI", "VDI");
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67 |
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68 | iorngdestroy();
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69 | }
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70 |
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