Defrag Tools Season 1 Episode 26 WinDbg - Semaphores, Mutexes and Timers 2012
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In this episode of Defrag Tools, Andrew Richards, Chad Beeder and Larry Larsen continue looking at the Debugging Tools for Windows (in particular WinDbg). WinDbg is a debugger that supports user mode debugging of a process, or kernel mode debugging of a computer. This installment goes over the commands used to diagnose Semaphores, Mutexes and (Waitable) Timers in a user mode application. For timers, we delve deep in to the kernel to gather more information about them. We use these commands: !handle !handle <handle> <mask> !object <name> !object <addr> !timer !timer <addr> ub @rip dt nt!_KTHREAD <addr> Make sure you watch Defrag Tools Episode #1 and Defrag Tools Episode #23 for instructions on how to get the Debugging Tools for Windows and how to set the required environment variables for symbol and source code resolution.
- Released: 2013-02-04
- Runtime: 45 minutes
- Genre:
- Stars:
- Director:
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1. Building your USB thumbdrive 2012-07-31
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2. Process Explorer 2012-08-06
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3. Process Monitor 2012-08-13
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4. Process Monitor - Examples 2012-08-20
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5. Autoruns and MSConfig 2012-08-27
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8. Mark Russinovich 2012-09-21
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9. ProcDump 2012-09-24
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10. ProcDump - Triggers 2012-10-01
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11. ProcDump - Windows 8 & Process Monitor 2012-10-08
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12. TaskMgr and ResMon 2012-10-15
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13. WinDbg 2012-10-22
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14. WinDbg - SOS 2012-11-12
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15. WinDbg - Bugchecks (BSOD) 2012-11-19
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16. WinDbg - Driver Verifier 2012-11-26
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17. WinDbg - Driver Verifier - Part 2 2012-12-03
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18. WinDbg - Driver Verifier - Part 3 2012-12-10
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19. WinDbg - OCA 2012-12-17
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20. WinDbg - Basic Commands 2012-12-24
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21. WinDbg - Memory User Mode 2013-01-01
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22. WinDbg - Memory Kernel Mode 2013-01-07
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23. Windows 8 SDK 2013-01-14
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24. WinDbg - Critical Sections 2013-01-21
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25. WinDbg - Events 2013-01-28
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26. WinDbg - Semaphores, Mutexes and Timers 2013-02-04
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27. WinDbg - Configure Kernel Debugging 2013-02-11
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28. WinDbg - Scheduling 2013-02-18
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29. WinDbg - ETW Logging 2013-02-25
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30. MCTS Windows Internals 2013-03-04
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31. ZoomIt 2013-03-11
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32. Desktops 2013-03-18
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33. CLR GC - Part 1 2013-03-25
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34. CLR GC - Part 2 2013-04-02
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35. CLR GC - Part 3 2013-04-08
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36. CLR GC - Part 4 2013-04-15
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37. JavaScript - Part 1 2013-04-22
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38. JavaScript - Part 2 2013-04-29
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39. Windows Performance Toolkit 2013-05-06
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40. WPT - WPR & WPA 2013-05-13
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41. WPT - Command Line 2013-05-20
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42. WPT - CPU Analysis 2013-05-27
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43. WPT - Wait Analysis 2013-06-03
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44. WPT - DiskIO Analysis 2013-06-17
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45. WPT - File & Registry Analysis 2013-06-24
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46. WPT - Driver Analysis 2013-07-08
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47. WPT - MiniFilter Analysis 2013-07-15
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48. WPT - Memory Analysis - Pool 2013-07-22
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49. WPT - Memory Analysis - VirtualAlloc 2013-07-29
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50. WPT - Memory Analysis - Heap 2013-08-05
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51. Support Diagnostics 2013-08-12
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52. Microsoft Fix it Center Pro 2013-08-19
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53. Crashes, Hangs and Slow Performance 2013-08-26
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54. IE Favorites Crash 2013-09-02
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55. Bugcheck 0xAB Crash 2013-09-09
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56. Explorer Hang 2013-09-16
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59. Larry Osterman 2013-10-07
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62. Windows 8.1 - High DPI 2013-10-28
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63. Windows 8.1 - SDK 2013-11-04
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67. Windows 8.1 - Background Task Hang 2013-12-02
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68. Windows 8.1 - HTTP Request Crash 2013-12-09
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69. Windows 8.1 - XML Load Crash 2013-12-16
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70. Windows 8.1 - Interop Crash 2013-12-23
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71. Message Analyzer - Part 1 2013-12-30
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72. Message Analyzer - Part 2 2014-01-06
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73. Message Analyzer - Part 3 2014-01-13
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74. Frame.GetNavigationState Crash 2014-01-20
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75. Windows 8.1 - FileNotFound Crash 2014-01-27
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76. Escalation Engineer 2014-02-03
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77. WPT Example - CPU 2014-02-10
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78. WPT Example - Disk 2014-02-17
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79. Microsoft Consulting Services 2014-02-24
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81. Aaron Margosis 2014-03-10
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82. Performance Counters - Part 1 2014-03-17
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83. Performance Counters - Part 2 2014-03-24
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84. Performance Counters - Part 3 2014-03-31
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85. Sigcheck (plus: the Heartbleed bug) 2014-04-14
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86. Windows 8.1 Update 2014-04-21
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87. Symbol Folder Hierarchy - index2.txt 2014-04-28
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88. Symbol Folder Tools 2014-05-05
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89. Sysinternals Strings, FindStr, !pde.ssz 2014-06-16
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90. Scheduled Tasks 2014-06-23
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91. Writing a Debugger Extension Part 1 2014-06-30
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92. Writing a Debugger Extension Part 2 2014-07-07
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93. Writing a Debugger Extension Part 3 2014-07-14
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94. Writing a Debugger Extension Part 4 2014-07-22
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101. Writing a Debugger Extension Part 5 2014-08-04
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102. Writing a Debugger Extension Part 6 2014-08-11
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103. Writing a Debugger Extension Part 7 2014-08-19
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104. Writing a Debugger Extension Part 8 2014-09-02
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105. Writing a Debugger Extension Part 9 2014-09-08
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106. Larry Osterman - 30 Years - Part 1 2014-09-15
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107. Larry Osterman - 30 Years - Part 2 2014-09-22
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108. Sysinternals SysMon - Mark Russinovich 2014-09-29
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113. PerfView Part 1 2014-11-03
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114. PerfView Part 2 2014-11-10
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115. PerfView Part 3 2014-11-17
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116. PerfView Part 4 2014-11-24
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117. PerfView Part 5 2014-12-01
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118. PerfView Part 6 2014-12-08
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119. Windows Management Instrumentation 2014-12-15
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120. PerfView Part 7 2014-12-22
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121. DebugDiag Part 1 2014-12-29
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122. DebugDiag Part 2 2015-01-05
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123. DebugDiag Part 3 2014-01-12
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124. DebugDiag Part 4 2015-01-19
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125. PerfView - Part 8 2015-01-26
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128. Networking - Part 1 2015-03-16
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129. Networking - Part 2 2015-03-23
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130. Services 2015-03-30
