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Audio pops

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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 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  0:03:45  (h:mm:ss) on all processors.
  6.  
  7.  
  8. _________________________________________________________________________________________________________
  9. SYSTEM INFORMATION
  10. _________________________________________________________________________________________________________
  11. Computer name:                                        BRANDEN-PC
  12. OS version:                                           Windows 7 Service Pack 1, 6.1, build: 7601 (x64)
  13. Hardware:                                             Z87X-D3H, Gigabyte Technology Co., Ltd., Z87X-D3H-CF
  14. CPU:                                                  GenuineIntel Intel(R) Core(TM) i5-4670K CPU @ 3.40GHz
  15. Logical processors:                                   4
  16. Processor groups:                                     1
  17. RAM:                                                  8136 MB total
  18.  
  19.  
  20. _________________________________________________________________________________________________________
  21. CPU SPEED
  22. _________________________________________________________________________________________________________
  23. Reported CPU speed:                                   3392.0 MHz
  24. Measured CPU speed:                                   382.0 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):   20534.276369
  38. Average measured interrupt to process latency (µs):   6.584279
  39.  
  40. Highest measured interrupt to DPC latency (µs):       11579.056994
  41. Average measured interrupt to DPC latency (µs):       1.185565
  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):              274.859080
  50. Driver with highest ISR routine execution time:       ataport.SYS - ATAPI Driver Extension, Microsoft Corporation
  51.  
  52. Highest reported total ISR routine time (%):          0.129848
  53. Driver with highest ISR total time:                   USBPORT.SYS - USB 1.1 & 2.0 Port Driver, Microsoft Corporation
  54.  
  55. Total time spent in ISRs (%)                          0.166842
  56.  
  57. ISR count (execution time <250 µs):                   472190
  58. ISR count (execution time 250-500 µs):                0
  59. ISR count (execution time 500-999 µs):                2
  60. ISR count (execution time 1000-1999 µs):              0
  61. ISR count (execution time 2000-3999 µs):              0
  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):              631.661557
  71. Driver with highest DPC routine execution time:       NETIO.SYS - Network I/O Subsystem, Microsoft Corporation
  72.  
  73. Highest reported total DPC routine time (%):          0.534304
  74. Driver with highest DPC total execution time:         USBPORT.SYS - USB 1.1 & 2.0 Port Driver, Microsoft Corporation
  75.  
  76. Total time spent in DPCs (%)                          0.844735
  77.  
  78. DPC count (execution time <250 µs):                   1858717
  79. DPC count (execution time 250-500 µs):                0
  80. DPC count (execution time 500-999 µs):                36
  81. DPC count (execution time 1000-1999 µs):              0
  82. DPC count (execution time 2000-3999 µs):              0
  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:                 svchost.exe
  94.  
  95. Total number of hard pagefaults                       901
  96. Hard pagefault count of hardest hit process:          531
  97. Highest hard pagefault resolution time (µs):          530361.458137
  98. Total time spent in hard pagefaults (%):              1.810013
  99. Number of processes hit:                              14
  100.  
  101.  
  102. _________________________________________________________________________________________________________
  103.  PER CPU DATA
  104. _________________________________________________________________________________________________________
  105. CPU 0 Interrupt cycle time (s):                       11.738022
  106. CPU 0 ISR highest execution time (µs):                274.859080
  107. CPU 0 ISR total execution time (s):                   1.502413
  108. CPU 0 ISR count:                                      472192
  109. CPU 0 DPC highest execution time (µs):                485.129717
  110. CPU 0 DPC total execution time (s):                   6.928917
  111. CPU 0 DPC count:                                      1797338
  112. _________________________________________________________________________________________________________
  113. CPU 1 Interrupt cycle time (s):                       4.780337
  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):                263.119104
  118. CPU 1 DPC total execution time (s):                   0.490244
  119. CPU 1 DPC count:                                      37784
  120. _________________________________________________________________________________________________________
  121. CPU 2 Interrupt cycle time (s):                       6.656188
  122. CPU 2 ISR highest execution time (µs):                0.0
  123. CPU 2 ISR total execution time (s):                   0.0
  124. CPU 2 ISR count:                                      0
  125. CPU 2 DPC highest execution time (µs):                452.602594
  126. CPU 2 DPC total execution time (s):                   0.083262
  127. CPU 2 DPC count:                                      10259
  128. _________________________________________________________________________________________________________
  129. CPU 3 Interrupt cycle time (s):                       6.993791
  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):                631.661557
  134. CPU 3 DPC total execution time (s):                   0.104414
  135. CPU 3 DPC count:                                      13372
  136. _________________________________________________________________________________________________________
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