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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. 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 22:37:13 (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): 8087.706899
  34. Average measured interrupt to process latency (µs): 5.737364
  35.  
  36. Highest measured interrupt to DPC latency (µs): 8082.571094
  37. Average measured interrupt to DPC latency (µs): 1.017580
  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): 3151.454475
  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 (%): 0.001399
  49. Driver with highest ISR total time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation
  50.  
  51. Total time spent in ISRs (%) 0.001909
  52.  
  53. ISR count (execution time <250 µs): 3859446
  54. ISR count (execution time 250-500 µs): 0
  55. ISR count (execution time 500-999 µs): 107
  56. ISR count (execution time 1000-1999 µs): 7
  57. ISR count (execution time 2000-3999 µs): 4
  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): 16423.132716
  67. Driver with highest DPC routine execution time: ndis.sys - Network Driver Interface Specification (NDIS), Microsoft Corporation
  68.  
  69. Highest reported total DPC routine time (%): 0.014920
  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 (%) 0.056688
  73.  
  74. DPC count (execution time <250 µs): 206951343
  75. DPC count (execution time 250-500 µs): 0
  76. DPC count (execution time 500-999 µs): 98172
  77. DPC count (execution time 1000-1999 µs): 310
  78. DPC count (execution time 2000-3999 µs): 28
  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: svchost.exe
  90.  
  91. Total number of hard pagefaults 261617
  92. Hard pagefault count of hardest hit process: 57616
  93. Highest hard pagefault resolution time (µs): 7202737.540123
  94. Total time spent in hard pagefaults (%): 0.178091
  95. Number of processes hit: 129
  96.  
  97.  
  98. _________________________________________________________________________________________________________
  99. PER CPU DATA
  100. _________________________________________________________________________________________________________
  101. CPU 0 Interrupt cycle time (s): 3399.129623
  102. CPU 0 ISR highest execution time (µs): 3151.454475
  103. CPU 0 ISR total execution time (s): 10.670097
  104. CPU 0 ISR count: 2407857
  105. CPU 0 DPC highest execution time (µs): 16147.431327
  106. CPU 0 DPC total execution time (s): 230.963636
  107. CPU 0 DPC count: 138247353
  108. _________________________________________________________________________________________________________
  109. CPU 1 Interrupt cycle time (s): 3412.009322
  110. CPU 1 ISR highest execution time (µs): 947.239969
  111. CPU 1 ISR total execution time (s): 0.922250
  112. CPU 1 ISR count: 726186
  113. CPU 1 DPC highest execution time (µs): 15230.870370
  114. CPU 1 DPC total execution time (s): 30.255946
  115. CPU 1 DPC count: 8611235
  116. _________________________________________________________________________________________________________
  117. CPU 2 Interrupt cycle time (s): 1039.662322
  118. CPU 2 ISR highest execution time (µs): 489.297068
  119. CPU 2 ISR total execution time (s): 0.093411
  120. CPU 2 ISR count: 72264
  121. CPU 2 DPC highest execution time (µs): 2438.155864
  122. CPU 2 DPC total execution time (s): 6.321399
  123. CPU 2 DPC count: 651639
  124. _________________________________________________________________________________________________________
  125. CPU 3 Interrupt cycle time (s): 1923.720231
  126. CPU 3 ISR highest execution time (µs): 477.888117
  127. CPU 3 ISR total execution time (s): 0.227733
  128. CPU 3 ISR count: 174117
  129. CPU 3 DPC highest execution time (µs): 1861.756944
  130. CPU 3 DPC total execution time (s): 3.236044
  131. CPU 3 DPC count: 318631
  132. _________________________________________________________________________________________________________
  133. CPU 4 Interrupt cycle time (s): 1068.265004
  134. CPU 4 ISR highest execution time (µs): 115.831790
  135. CPU 4 ISR total execution time (s): 0.050355
  136. CPU 4 ISR count: 45779
  137. CPU 4 DPC highest execution time (µs): 959.702932
  138. CPU 4 DPC total execution time (s): 6.686699
  139. CPU 4 DPC count: 649975
  140. _________________________________________________________________________________________________________
  141. CPU 5 Interrupt cycle time (s): 1823.483040
  142. CPU 5 ISR highest execution time (µs): 97.422068
  143. CPU 5 ISR total execution time (s): 0.165530
  144. CPU 5 ISR count: 126334
  145. CPU 5 DPC highest execution time (µs): 1538.043210
  146. CPU 5 DPC total execution time (s): 3.173806
  147. CPU 5 DPC count: 291269
  148. _________________________________________________________________________________________________________
  149. CPU 6 Interrupt cycle time (s): 1043.875013
  150. CPU 6 ISR highest execution time (µs): 74.658951
  151. CPU 6 ISR total execution time (s): 0.044711
  152. CPU 6 ISR count: 38910
  153. CPU 6 DPC highest execution time (µs): 1801.838735
  154. CPU 6 DPC total execution time (s): 8.484282
  155. CPU 6 DPC count: 956796
  156. _________________________________________________________________________________________________________
  157. CPU 7 Interrupt cycle time (s): 2585.125102
  158. CPU 7 ISR highest execution time (µs): 78.717593
  159. CPU 7 ISR total execution time (s): 0.260123
  160. CPU 7 ISR count: 268117
  161. CPU 7 DPC highest execution time (µs): 16423.132716
  162. CPU 7 DPC total execution time (s): 80.184737
  163. CPU 7 DPC count: 57322964
  164. _________________________________________________________________________________________________________
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