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  1. _________________________________________________________________________________________________________
  2. CONCLUSION
  3. _________________________________________________________________________________________________________
  4. Your system seems to be having difficulty handling real-time audio and other tasks. You may experience drop outs, clicks or pops due to buffer underruns. One or more DPC routines that belong to a driver running in your system appear to be executing for too long. At least one detected problem appears to be network related. In case you are using a WLAN adapter, try disabling it to get better results. 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 0:23:10 (h:mm:ss) on all processors.
  6.  
  7.  
  8. _________________________________________________________________________________________________________
  9. SYSTEM INFORMATION
  10. _________________________________________________________________________________________________________
  11. Computer name: SANDMAN
  12. OS version: Windows 8 , 6.2, build: 9200 (x64)
  13. Hardware: HP ENVY Notebook, HP, 80EE
  14. CPU: GenuineIntel Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz
  15. Logical processors: 8
  16. Processor groups: 1
  17. RAM: 12156 MB total
  18.  
  19.  
  20. _________________________________________________________________________________________________________
  21. CPU SPEED
  22. _________________________________________________________________________________________________________
  23. Reported CPU speed: 2592 MHz
  24.  
  25. 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.
  26.  
  27.  
  28. _________________________________________________________________________________________________________
  29. MEASURED INTERRUPT TO USER PROCESS LATENCIES
  30. _________________________________________________________________________________________________________
  31. 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.
  32.  
  33. Highest measured interrupt to process latency (µs): 1893.925926
  34. Average measured interrupt to process latency (µs): 8.792030
  35.  
  36. Highest measured interrupt to DPC latency (µs): 1886.419753
  37. Average measured interrupt to DPC latency (µs): 1.479645
  38.  
  39.  
  40. _________________________________________________________________________________________________________
  41. REPORTED ISRs
  42. _________________________________________________________________________________________________________
  43. Interrupt service routines are routines installed by the OS and device drivers that execute in response to a hardware interrupt signal.
  44.  
  45. Highest ISR routine execution time (µs): 312.064815
  46. Driver with highest ISR routine execution time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation
  47.  
  48. Highest reported total ISR routine time (%): 0.005411
  49. Driver with highest ISR total time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation
  50.  
  51. Total time spent in ISRs (%) 0.006698
  52.  
  53. ISR count (execution time <250 µs): 194754
  54. ISR count (execution time 250-500 µs): 0
  55. ISR count (execution time 500-999 µs): 4
  56. ISR count (execution time 1000-1999 µs): 0
  57. ISR count (execution time 2000-3999 µs): 0
  58. ISR count (execution time >=4000 µs): 0
  59.  
  60.  
  61. _________________________________________________________________________________________________________
  62. REPORTED DPCs
  63. _________________________________________________________________________________________________________
  64. 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.
  65.  
  66. Highest DPC routine execution time (µs): 1959.012346
  67. Driver with highest DPC routine execution time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation
  68.  
  69. Highest reported total DPC routine time (%): 0.038960
  70. Driver with highest DPC total execution time: rspLLL64.sys - Resplendence Latency Monitoring and Auxiliary Kernel Library, Resplendence Software Projects Sp.
  71.  
  72. Total time spent in DPCs (%) 0.138560
  73.  
  74. DPC count (execution time <250 µs): 4588078
  75. DPC count (execution time 250-500 µs): 0
  76. DPC count (execution time 500-999 µs): 498
  77. DPC count (execution time 1000-1999 µs): 6
  78. DPC count (execution time 2000-3999 µs): 0
  79. DPC count (execution time >=4000 µs): 0
  80.  
  81.  
  82. _________________________________________________________________________________________________________
  83. REPORTED HARD PAGEFAULTS
  84. _________________________________________________________________________________________________________
  85. 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.
  86.  
  87. 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.
  88.  
  89. Process with highest pagefault count: chrome.exe
  90.  
  91. Total number of hard pagefaults 16192
  92. Hard pagefault count of hardest hit process: 5433
  93. Highest hard pagefault resolution time (µs): 2118883.632330
  94. Total time spent in hard pagefaults (%): 1.187270
  95. Number of processes hit: 56
  96.  
  97.  
  98. _________________________________________________________________________________________________________
  99. PER CPU DATA
  100. _________________________________________________________________________________________________________
  101. CPU 0 Interrupt cycle time (s): 55.296310
  102. CPU 0 ISR highest execution time (µs): 252.177469
  103. CPU 0 ISR total execution time (s): 0.623918
  104. CPU 0 ISR count: 114129
  105. CPU 0 DPC highest execution time (µs): 1959.012346
  106. CPU 0 DPC total execution time (s): 12.388874
  107. CPU 0 DPC count: 4208372
  108. _________________________________________________________________________________________________________
  109. CPU 1 Interrupt cycle time (s): 44.554206
  110. CPU 1 ISR highest execution time (µs): 312.064815
  111. CPU 1 ISR total execution time (s): 0.067234
  112. CPU 1 ISR count: 40949
  113. CPU 1 DPC highest execution time (µs): 464.223765
  114. CPU 1 DPC total execution time (s): 0.300232
  115. CPU 1 DPC count: 33497
  116. _________________________________________________________________________________________________________
  117. CPU 2 Interrupt cycle time (s): 22.940923
  118. CPU 2 ISR highest execution time (µs): 102.121914
  119. CPU 2 ISR total execution time (s): 0.005058
  120. CPU 2 ISR count: 3947
  121. CPU 2 DPC highest execution time (µs): 1025.267747
  122. CPU 2 DPC total execution time (s): 0.643338
  123. CPU 2 DPC count: 87339
  124. _________________________________________________________________________________________________________
  125. CPU 3 Interrupt cycle time (s): 52.657242
  126. CPU 3 ISR highest execution time (µs): 54.462191
  127. CPU 3 ISR total execution time (s): 0.022720
  128. CPU 3 ISR count: 17491
  129. CPU 3 DPC highest execution time (µs): 328.606481
  130. CPU 3 DPC total execution time (s): 0.161107
  131. CPU 3 DPC count: 22129
  132. _________________________________________________________________________________________________________
  133. CPU 4 Interrupt cycle time (s): 31.217950
  134. CPU 4 ISR highest execution time (µs): 43.040895
  135. CPU 4 ISR total execution time (s): 0.002435
  136. CPU 4 ISR count: 2023
  137. CPU 4 DPC highest execution time (µs): 1024.357253
  138. CPU 4 DPC total execution time (s): 0.785908
  139. CPU 4 DPC count: 100830
  140. _________________________________________________________________________________________________________
  141. CPU 5 Interrupt cycle time (s): 56.607942
  142. CPU 5 ISR highest execution time (µs): 53.141204
  143. CPU 5 ISR total execution time (s): 0.013463
  144. CPU 5 ISR count: 9051
  145. CPU 5 DPC highest execution time (µs): 548.668981
  146. CPU 5 DPC total execution time (s): 0.223106
  147. CPU 5 DPC count: 22838
  148. _________________________________________________________________________________________________________
  149. CPU 6 Interrupt cycle time (s): 25.758416
  150. CPU 6 ISR highest execution time (µs): 24.110340
  151. CPU 6 ISR total execution time (s): 0.002010
  152. CPU 6 ISR count: 1572
  153. CPU 6 DPC highest execution time (µs): 674.781636
  154. CPU 6 DPC total execution time (s): 0.653948
  155. CPU 6 DPC count: 85360
  156. _________________________________________________________________________________________________________
  157. CPU 7 Interrupt cycle time (s): 53.466163
  158. CPU 7 ISR highest execution time (µs): 67.743056
  159. CPU 7 ISR total execution time (s): 0.008142
  160. CPU 7 ISR count: 5596
  161. CPU 7 DPC highest execution time (µs): 1089.994599
  162. CPU 7 DPC total execution time (s): 0.255049
  163. CPU 7 DPC count: 28217
  164. _________________________________________________________________________________________________________
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