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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. Also one or more ISR 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 0:07:51 (h:mm:ss) on all processors.
  6.  
  7.  
  8. _________________________________________________________________________________________________________
  9. SYSTEM INFORMATION
  10. _________________________________________________________________________________________________________
  11. Computer name: STEVE
  12. OS version: Windows 8.1 , 6.3, build: 9600 (x64)
  13. Hardware: P5E-VM HDMI, , ASUSTeK Computer INC.
  14. CPU: GenuineIntel Intel(R) Core(TM)2 Quad CPU Q9450 @ 2.66GHz
  15. Logical processors: 4
  16. Processor groups: 1
  17. RAM: 4095 MB total
  18.  
  19.  
  20. _________________________________________________________________________________________________________
  21. CPU SPEED
  22. _________________________________________________________________________________________________________
  23. Reported CPU speed: 320 MHz
  24. Measured CPU speed: 22 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.
  29.  
  30.  
  31.  
  32. _________________________________________________________________________________________________________
  33. MEASURED INTERRUPT TO USER PROCESS LATENCIES
  34. _________________________________________________________________________________________________________
  35. The interrupt to process latency reflects the measured interval that a usermode process needed to respond to a hardware request from the moment the interrupt service routine started execution. This includes the scheduling and execution of a DPC routine, the signaling of an event and the waking up of a usermode thread from an idle wait state in response to that event.
  36.  
  37. Highest measured interrupt to process latency (µs): 23410.168052
  38. Average measured interrupt to process latency (µs): 6.610857
  39.  
  40. Highest measured interrupt to DPC latency (µs): 23405.279163
  41. Average measured interrupt to DPC latency (µs): 3.230040
  42.  
  43.  
  44. _________________________________________________________________________________________________________
  45. REPORTED ISRs
  46. _________________________________________________________________________________________________________
  47. Interrupt service routines are routines installed by the OS and device drivers that execute in response to a hardware interrupt signal.
  48.  
  49. Highest ISR routine execution time (µs): 23349.47250
  50. Driver with highest ISR routine execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
  51.  
  52. Highest reported total ISR routine time (%): 0.624258
  53. Driver with highest ISR total time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
  54.  
  55. Total time spent in ISRs (%) 0.798098
  56.  
  57. ISR count (execution time <250 µs): 588881
  58. ISR count (execution time 250-500 µs): 0
  59. ISR count (execution time 500-999 µs): 774
  60. ISR count (execution time 1000-1999 µs): 1753
  61. ISR count (execution time 2000-3999 µs): 876
  62. ISR count (execution time >=4000 µs): 0
  63.  
  64.  
  65. _________________________________________________________________________________________________________
  66. REPORTED DPCs
  67. _________________________________________________________________________________________________________
  68. 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.
  69.  
  70. Highest DPC routine execution time (µs): 22582.09250
  71. Driver with highest DPC routine execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
  72.  
  73. Highest reported total DPC routine time (%): 0.126004
  74. Driver with highest DPC total execution time: rspLLL64.sys - Resplendence Latency Monitoring and Auxiliary Kernel Library, Resplendence Software Projects Sp.
  75.  
  76. Total time spent in DPCs (%) 0.489018
  77.  
  78. DPC count (execution time <250 µs): 1938012
  79. DPC count (execution time 250-500 µs): 0
  80. DPC count (execution time 500-999 µs): 287
  81. DPC count (execution time 1000-1999 µs): 851
  82. DPC count (execution time 2000-3999 µs): 133
  83. DPC count (execution time >=4000 µs): 0
  84.  
  85.  
  86. _________________________________________________________________________________________________________
  87. REPORTED HARD PAGEFAULTS
  88. _________________________________________________________________________________________________________
  89. 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.
  90.  
  91. NOTE: some processes were hit by hard pagefaults. If these were programs producing audio, they are likely to interrupt the audio stream resulting in dropouts, clicks and pops. Check the Processes tab to see which programs were hit.
  92.  
  93. Process with highest pagefault count: chrome.exe
  94.  
  95. Total number of hard pagefaults 2372
  96. Hard pagefault count of hardest hit process: 470
  97. Highest hard pagefault resolution time (µs): 48029.8850
  98. Total time spent in hard pagefaults (%): 0.053013
  99. Number of processes hit: 34
  100.  
  101.  
  102. _________________________________________________________________________________________________________
  103. PER CPU DATA
  104. _________________________________________________________________________________________________________
  105. CPU 0 Interrupt cycle time (s): 31.862361
  106. CPU 0 ISR highest execution time (µs): 23349.47250
  107. CPU 0 ISR total execution time (s): 12.453855
  108. CPU 0 ISR count: 512853
  109. CPU 0 DPC highest execution time (µs): 22582.09250
  110. CPU 0 DPC total execution time (s): 8.061070
  111. CPU 0 DPC count: 1871404
  112. _________________________________________________________________________________________________________
  113. CPU 1 Interrupt cycle time (s): 2.294280
  114. CPU 1 ISR highest execution time (µs): 0.0
  115. CPU 1 ISR total execution time (s): 0.0
  116. CPU 1 ISR count: 0
  117. CPU 1 DPC highest execution time (µs): 1506.620
  118. CPU 1 DPC total execution time (s): 0.029312
  119. CPU 1 DPC count: 5897
  120. _________________________________________________________________________________________________________
  121. CPU 2 Interrupt cycle time (s): 6.652111
  122. CPU 2 ISR highest execution time (µs): 22242.01250
  123. CPU 2 ISR total execution time (s): 2.583805
  124. CPU 2 ISR count: 80308
  125. CPU 2 DPC highest execution time (µs): 7147.86750
  126. CPU 2 DPC total execution time (s): 1.066125
  127. CPU 2 DPC count: 56585
  128. _________________________________________________________________________________________________________
  129. CPU 3 Interrupt cycle time (s): 3.559438
  130. CPU 3 ISR highest execution time (µs): 0.0
  131. CPU 3 ISR total execution time (s): 0.0
  132. CPU 3 ISR count: 0
  133. CPU 3 DPC highest execution time (µs): 3081.64250
  134. CPU 3 DPC total execution time (s): 0.057502
  135. CPU 3 DPC count: 5455
  136. _________________________________________________________________________________________________________
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