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LatencyMon Report

Jul 21st, 2017
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  1. _________________________________________________________________________________________________________
  2. CONCLUSION
  3. _________________________________________________________________________________________________________
  4. Your system appears to be having trouble handling real-time audio and other tasks. You are likely to experience buffer underruns appearing as drop outs, clicks or pops. One or more DPC routines that belong to a driver running in your system appear to be executing for too long. One problem may be related to power management, disable CPU throttling settings in Control Panel and BIOS setup. Check for BIOS updates.
  5. LatencyMon has been analyzing your system for 0:52:18 (h:mm:ss) on all processors.
  6.  
  7.  
  8. _________________________________________________________________________________________________________
  9. SYSTEM INFORMATION
  10. _________________________________________________________________________________________________________
  11. Computer name: GAMERSTREAM-PC
  12. OS version: Windows 10 , 10.0, build: 15063 (x64)
  13. Hardware: ASRock, Z170 Extreme4+
  14. CPU: GenuineIntel Intel(R) Core(TM) i5-6600K CPU @ 3.50GHz
  15. Logical processors: 4
  16. Processor groups: 1
  17. RAM: 16325 MB total
  18.  
  19.  
  20. _________________________________________________________________________________________________________
  21. CPU SPEED
  22. _________________________________________________________________________________________________________
  23. Reported CPU speed: 3504 MHz
  24. Measured CPU speed: 1 MHz (approx.)
  25.  
  26. Note: reported execution times may be calculated based on a fixed reported CPU speed. Disable variable speed settings like Intel Speed Step and AMD Cool N Quiet in the BIOS setup for more accurate results.
  27.  
  28. WARNING: the CPU speed that was measured is only a fraction of the CPU speed reported. Your CPUs may be throttled back due to variable speed settings and thermal issues. It is suggested that you run a utility which reports your actual CPU frequency and temperature.
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  32. _________________________________________________________________________________________________________
  33. MEASURED INTERRUPT TO DPC LATENCIES
  34. _________________________________________________________________________________________________________
  35. The interrupt to DPC latency reflects the measured interval in which a DPC could execute in response to a hardware request from the moment the interrupt service routine started execution.
  36.  
  37. Highest measured interrupt to DPC latency (µs): 2978,190040
  38. Average measured interrupt to DPC latency (µs): 1,994978
  39.  
  40.  
  41. _________________________________________________________________________________________________________
  42. REPORTED ISRs
  43. _________________________________________________________________________________________________________
  44. Interrupt service routines are routines installed by the OS and device drivers that execute in response to a hardware interrupt signal.
  45.  
  46. Highest ISR routine execution time (µs): 127,359589
  47. Driver with highest ISR routine execution time: HDAudBus.sys - High Definition Audio Bus Driver, Microsoft Corporation
  48.  
  49. Highest reported total ISR routine time (%): 0,025913
  50. Driver with highest ISR total time: HDAudBus.sys - High Definition Audio Bus Driver, Microsoft Corporation
  51.  
  52. Total time spent in ISRs (%) 0,031174
  53.  
  54. ISR count (execution time <250 µs): 1183930
  55. ISR count (execution time 250-500 µs): 0
  56. ISR count (execution time 500-999 µs): 0
  57. ISR count (execution time 1000-1999 µs): 0
  58. ISR count (execution time 2000-3999 µs): 0
  59. ISR count (execution time >=4000 µs): 0
  60.  
  61.  
  62. _________________________________________________________________________________________________________
  63. REPORTED DPCs
  64. _________________________________________________________________________________________________________
  65. DPC routines are part of the interrupt servicing dispatch mechanism and disable the possibility for a process to utilize the CPU while it is interrupted until the DPC has finished execution.
  66.  
  67. Highest DPC routine execution time (µs): 2074,848174
  68. Driver with highest DPC routine execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
  69.  
  70. Highest reported total DPC routine time (%): 0,094053
  71. Driver with highest DPC total execution time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation
  72.  
  73. Total time spent in DPCs (%) 0,294416
  74.  
  75. DPC count (execution time <250 µs): 20351396
  76. DPC count (execution time 250-500 µs): 0
  77. DPC count (execution time 500-999 µs): 16
  78. DPC count (execution time 1000-1999 µs): 11
  79. DPC count (execution time 2000-3999 µs): 1
  80. DPC count (execution time >=4000 µs): 0
  81.  
  82.  
  83. _________________________________________________________________________________________________________
  84. REPORTED HARD PAGEFAULTS
  85. _________________________________________________________________________________________________________
  86. Hard pagefaults are events that get triggered by making use of virtual memory that is not resident in RAM but backed by a memory mapped file on disk. The process of resolving the hard pagefault requires reading in the memory from disk while the process is interrupted and blocked from execution.
  87.  
  88.  
  89. Process with highest pagefault count: none
  90.  
  91. Total number of hard pagefaults 0
  92. Hard pagefault count of hardest hit process: 0
  93. Highest hard pagefault resolution time (µs): 0,0
  94. Total time spent in hard pagefaults (%): 0,0
  95. Number of processes hit: 0
  96.  
  97.  
  98. _________________________________________________________________________________________________________
  99. PER CPU DATA
  100. _________________________________________________________________________________________________________
  101. CPU 0 Interrupt cycle time (s): 132,087262
  102. CPU 0 ISR highest execution time (µs): 127,359589
  103. CPU 0 ISR total execution time (s): 3,901732
  104. CPU 0 ISR count: 1179470
  105. CPU 0 DPC highest execution time (µs): 2074,848174
  106. CPU 0 DPC total execution time (s): 32,180016
  107. CPU 0 DPC count: 17812862
  108. _________________________________________________________________________________________________________
  109. CPU 1 Interrupt cycle time (s): 37,359222
  110. CPU 1 ISR highest execution time (µs): 27,862443
  111. CPU 1 ISR total execution time (s): 0,010055
  112. CPU 1 ISR count: 4269
  113. CPU 1 DPC highest execution time (µs): 1302,818493
  114. CPU 1 DPC total execution time (s): 1,332832
  115. CPU 1 DPC count: 611634
  116. _________________________________________________________________________________________________________
  117. CPU 2 Interrupt cycle time (s): 40,893249
  118. CPU 2 ISR highest execution time (µs): 22,539954
  119. CPU 2 ISR total execution time (s): 0,001083
  120. CPU 2 ISR count: 173
  121. CPU 2 DPC highest execution time (µs): 509,744863
  122. CPU 2 DPC total execution time (s): 1,626885
  123. CPU 2 DPC count: 893017
  124. _________________________________________________________________________________________________________
  125. CPU 3 Interrupt cycle time (s): 43,855384
  126. CPU 3 ISR highest execution time (µs): 6,359018
  127. CPU 3 ISR total execution time (s): 0,000106
  128. CPU 3 ISR count: 18
  129. CPU 3 DPC highest execution time (µs): 169,227740
  130. CPU 3 DPC total execution time (s): 1,815329
  131. CPU 3 DPC count: 1033911
  132. _________________________________________________________________________________________________________
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