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1 // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // e32test\mmu\t_mmubm.cpp |
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15 // Overview: |
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16 // Time MMU allocation & deallocation |
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17 // API Information: |
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18 // RChunk |
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19 // Details: |
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20 // - Allocate and release a 1 MB chunk 100 times and time how long it takes. |
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21 // - Allocate and release a 2 MB chunk 100 times and time how long it takes. |
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22 // - Allocate and release a 7 MB chunk 100 times and time how long it takes. |
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23 // - Allocate a 7 MB chunk once and time how long it takes. |
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24 // - Deallocate a 7 MB chunk once and time how long it takes. |
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25 // Platforms/Drives/Compatibility: |
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26 // All. |
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27 // Assumptions/Requirement/Pre-requisites: |
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28 // Failures and causes: |
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29 // Base Port information: |
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30 // |
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31 // |
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32 |
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33 #define __E32TEST_EXTENSION__ |
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34 |
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35 #include <e32test.h> |
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36 #include "mmudetect.h" |
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37 #include "d_gobble.h" |
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38 #include "d_memorytest.h" |
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39 #include "freeram.h" |
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40 |
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41 RTest test(_L("T_MMUBM")); |
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42 |
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43 typedef TInt (*TestFunction)(TUint32 aIters, TUint32 aSize); |
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44 |
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45 RMemoryTestLdd MemoryTest; |
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46 RChunk TheChunk; |
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47 |
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48 LOCAL_C TInt AllocPhysical(TUint32 aIters, TUint32 aSize) |
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49 { |
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50 return MemoryTest.AllocPhysTest(aIters, aSize * 0x00100000); |
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51 } |
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52 |
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53 LOCAL_C TInt AllocPhysical1(TUint32 aIters, TUint32 aSize) |
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54 { |
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55 return MemoryTest.AllocPhysTest1(aIters, aSize * 0x00100000); |
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56 } |
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57 |
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58 LOCAL_C TInt AdjustChunk(TUint32 aIters, TUint32 aSize) |
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59 { |
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60 TUint32 i; |
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61 for (i=0; i<aIters; i++) |
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62 { |
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63 TInt r=TheChunk.Adjust(aSize * 0x00100000); |
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64 if (r!=KErrNone) |
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65 return r; |
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66 r=TheChunk.Adjust(0); |
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67 if (r!=KErrNone) |
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68 return r; |
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69 } |
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70 return KErrNone; |
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71 } |
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72 |
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73 LOCAL_C TInt AllocateChunk(TUint32 aIters, TUint32 aSize) |
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74 { |
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75 aIters = aSize; |
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76 return TheChunk.Adjust(aSize * 0x00100000); |
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77 } |
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78 |
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79 LOCAL_C TInt DeallocateChunk(TUint32 , TUint32 ) |
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80 { |
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81 return TheChunk.Adjust(0); |
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82 } |
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83 |
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84 LOCAL_C TInt TimedCall(TestFunction aFunction, TUint32& aTime, TUint32 aIters, TUint32 aSize) |
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85 { |
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86 TUint32 before=User::NTickCount(); |
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87 TInt r=(*aFunction)(aIters, aSize); |
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88 TUint32 after=User::NTickCount(); |
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89 aTime=after-before; |
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90 return r; |
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91 } |
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92 |
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93 #define DO_TEST(__ret, __func, __time, __iters, __size)\ |
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94 tempSize = __size;\ |
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95 __ret=TimedCall(__func, __time, __iters, __size);\ |
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96 if (__ret==KErrNone)\ |
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97 {\ |
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98 test.Printf(_L(" %dMb %d times ... %d ms\n"),__size, __iters,__time);\ |
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99 }\ |
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100 else if (tempSize < 7)\ |
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101 {\ |
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102 test(__ret==KErrNone);\ |
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103 } |
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104 |
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105 #define DO_TEST_GOB(__ret, __func, __time, __iters, __size, __rem,__taken)\ |
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106 tempSize = __size;\ |
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107 __ret = gobbler.Open();\ |
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108 test(__ret==KErrNone);\ |
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109 /* gobble leaving x+1MB then test adjusting to x...*/\ |
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110 __taken = gobbler.GobbleRAM(__rem*1024*1024);\ |
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111 test.Printf(_L("Gobbled: %dK freeRam %dK\n"), __taken/1024, FreeRam()/1024);\ |
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112 /* adjust to 1MB*/\ |
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113 __ret=TimedCall(__func, __time, __iters, __size);\ |
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114 if (__ret==KErrNone)\ |
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115 {\ |
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116 test.Printf(_L(" %dMb %d times ... %d ms\n"),__size, __iters,__time);\ |
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117 }\ |
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118 else if (tempSize < 7)\ |
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119 {\ |
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120 test(__ret==KErrNone);\ |
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121 }\ |
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122 gobbler.Close(); |
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123 |
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124 |
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125 GLDEF_C TInt E32Main() |
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126 { |
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127 |
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128 test.Title(); |
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129 if (!HaveVirtMem()) |
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130 { |
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131 test.Printf(_L("This test requires an MMU\n")); |
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132 return KErrNone; |
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133 } |
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134 test.Start(_L("Timing MMU allocation/deallocation...")); |
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135 |
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136 test(KErrNone==MemoryTest.Open()); |
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137 |
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138 TInt r; |
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139 TUint32 t; |
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140 TUint32 tempSize; |
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141 r=TheChunk.CreateLocal(0,0x01000000); |
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142 test(r==KErrNone); |
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143 |
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144 test.Printf(_L("Adjusting Chunks\n")); |
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145 DO_TEST(r, AdjustChunk, t, 100, 1); |
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146 DO_TEST(r, AdjustChunk, t, 100, 2); |
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147 DO_TEST(r, AdjustChunk, t, 100, 7); |
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148 r=TimedCall(AllocateChunk,t,1,7); |
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149 if (r==KErrNone) |
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150 { |
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151 test.Printf(_L("Allocate 7Mb once ... %d ms\n"),t); |
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152 r=TimedCall(DeallocateChunk,t, 1, 0); |
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153 test.Printf(_L("Deallocate 7Mb once ... %d ms\n"),t); |
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154 } |
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155 else |
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156 { |
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157 test.Printf(_L("Alloc chunk 7Mb failed! %d\n"), r); |
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158 } |
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159 |
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160 test.Next(_L("Test physical memory allocations....")); |
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161 |
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162 DO_TEST(r, AllocPhysical, t, 100, 1); |
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163 DO_TEST(r, AllocPhysical1, t, 100, 1); |
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164 DO_TEST(r, AllocPhysical, t, 100, 2); |
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165 DO_TEST(r, AllocPhysical1, t, 100, 2); |
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166 DO_TEST(r, AllocPhysical, t, 100, 7); |
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167 DO_TEST(r, AllocPhysical1, t, 100, 7); |
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168 |
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169 test.Next(_L("Now the test with low memory....")); |
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170 |
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171 r = User::LoadLogicalDevice(KGobblerLddFileName); |
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172 test(r==KErrNone || r==KErrAlreadyExists); |
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173 |
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174 RGobbler gobbler; |
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175 TUint32 taken = 0; |
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176 |
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177 DO_TEST_GOB(r, AdjustChunk, t, 100, 1, 2, taken); |
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178 DO_TEST_GOB(r, AdjustChunk, t, 100, 2, 3, taken); |
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179 DO_TEST_GOB(r, AdjustChunk, t, 100, 7, 8, taken); |
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180 |
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181 r=TimedCall(AllocateChunk,t,1,7); |
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182 if (r==KErrNone) |
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183 { |
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184 test.Printf(_L("Allocate 7Mb once ... %d ms\n"),t); |
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185 r=TimedCall(DeallocateChunk,t, 1, 0); |
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186 test.Printf(_L("Deallocate 7Mb once ... %d ms\n"),t); |
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187 } |
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188 |
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189 // gobble leaving 8MB then test allocing 7... |
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190 r = gobbler.Open(); |
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191 test(r==KErrNone); |
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192 taken = gobbler.GobbleRAM(8*1024*1024); |
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193 test.Printf(_L("Gobbled: %dK freeRam %dK\n"), taken/1024, FreeRam()/1024); |
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194 // allocate 7mb |
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195 r=TimedCall(AllocateChunk,t,1,7); |
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196 if (r==KErrNone) |
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197 { |
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198 test.Printf(_L("Allocate 7Mb once ... %d ms\n"),t); |
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199 r=TimedCall(DeallocateChunk,t, 1, 0); |
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200 test.Printf(_L("Deallocate 7Mb once ... %d ms\n"),t); |
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201 } |
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202 else |
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203 test.Printf(_L("Alloc chunk 7Mb failed! %d\n"), r); |
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204 gobbler.Close(); |
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205 |
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206 test.Next(_L("Test physical memory allocations with low memory....")); |
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207 DO_TEST_GOB(r, AllocPhysical, t, 100, 1, 2, taken); |
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208 DO_TEST_GOB(r, AllocPhysical1, t, 100, 1, 2, taken); |
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209 DO_TEST_GOB(r, AllocPhysical, t, 100, 2, 3, taken); |
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210 DO_TEST_GOB(r, AllocPhysical1, t, 100, 2, 3, taken); |
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211 DO_TEST_GOB(r, AllocPhysical, t, 100, 7, 8, taken); |
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212 DO_TEST_GOB(r, AllocPhysical1, t, 100, 7, 8, taken); |
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213 |
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214 test.End(); |
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215 return 0; |
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216 } |