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stefaneke
Jun 30th, 2020
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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. 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 0:00:05 (h:mm:ss) on all processors.
  6.  
  7.  
  8. _________________________________________________________________________________________________________
  9. SYSTEM INFORMATION
  10. _________________________________________________________________________________________________________
  11. Computer name: DESKTOP-PB84J26
  12. OS version: Windows 10 , 10.0, build: 18363 (x64)
  13. Hardware: OMEN by HP Laptop 15-dc0xxx, HP, 84DA
  14. CPU: GenuineIntel Intel(R) Core(TM) i7-8750H CPU @ 2.20GHz
  15. Logical processors: 8
  16. Processor groups: 1
  17. RAM: 13663 MB total
  18.  
  19.  
  20. _________________________________________________________________________________________________________
  21. CPU SPEED
  22. _________________________________________________________________________________________________________
  23. Reported CPU speed: 2208 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. 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.
  28.  
  29.  
  30.  
  31. _________________________________________________________________________________________________________
  32. MEASURED INTERRUPT TO USER PROCESS LATENCIES
  33. _________________________________________________________________________________________________________
  34. 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.
  35.  
  36. Highest measured interrupt to process latency (µs): 739.60
  37. Average measured interrupt to process latency (µs): 5.775351
  38.  
  39. Highest measured interrupt to DPC latency (µs): 696.30
  40. Average measured interrupt to DPC latency (µs): 2.310828
  41.  
  42.  
  43. _________________________________________________________________________________________________________
  44. REPORTED ISRs
  45. _________________________________________________________________________________________________________
  46. Interrupt service routines are routines installed by the OS and device drivers that execute in response to a hardware interrupt signal.
  47.  
  48. Highest ISR routine execution time (µs): 155.035326
  49. Driver with highest ISR routine execution time: ACPI.sys - ACPI Driver for NT, Microsoft Corporation
  50.  
  51. Highest reported total ISR routine time (%): 0.016806
  52. Driver with highest ISR total time: ACPI.sys - ACPI Driver for NT, Microsoft Corporation
  53.  
  54. Total time spent in ISRs (%) 0.027281
  55.  
  56. ISR count (execution time <250 µs): 3474
  57. ISR count (execution time 250-500 µs): 0
  58. ISR count (execution time 500-999 µs): 0
  59. ISR count (execution time 1000-1999 µs): 0
  60. ISR count (execution time 2000-3999 µs): 0
  61. ISR count (execution time >=4000 µs): 0
  62.  
  63.  
  64. _________________________________________________________________________________________________________
  65. REPORTED DPCs
  66. _________________________________________________________________________________________________________
  67. 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.
  68.  
  69. Highest DPC routine execution time (µs): 1038.432065
  70. Driver with highest DPC routine execution time: ACPI.sys - ACPI Driver for NT, Microsoft Corporation
  71.  
  72. Highest reported total DPC routine time (%): 0.284728
  73. Driver with highest DPC total execution time: Wdf01000.sys - Kernel Mode Driver Framework Runtime, Microsoft Corporation
  74.  
  75. Total time spent in DPCs (%) 0.494831
  76.  
  77. DPC count (execution time <250 µs): 15876
  78. DPC count (execution time 250-500 µs): 0
  79. DPC count (execution time 500-999 µs): 106
  80. DPC count (execution time 1000-1999 µs): 1
  81. DPC count (execution time 2000-3999 µs): 0
  82. DPC count (execution time >=4000 µs): 0
  83.  
  84.  
  85. _________________________________________________________________________________________________________
  86. REPORTED HARD PAGEFAULTS
  87. _________________________________________________________________________________________________________
  88. 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.
  89.  
  90. 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.
  91.  
  92. Process with highest pagefault count: latmon.exe
  93.  
  94. Total number of hard pagefaults 22
  95. Hard pagefault count of hardest hit process: 12
  96. Number of processes hit: 7
  97.  
  98.  
  99. _________________________________________________________________________________________________________
  100. PER CPU DATA
  101. _________________________________________________________________________________________________________
  102. CPU 0 Interrupt cycle time (s): 0.217599
  103. CPU 0 ISR highest execution time (µs): 141.971920
  104. CPU 0 ISR total execution time (s): 0.005579
  105. CPU 0 ISR count: 2101
  106. CPU 0 DPC highest execution time (µs): 1038.432065
  107. CPU 0 DPC total execution time (s): 0.133932
  108. CPU 0 DPC count: 12512
  109. _________________________________________________________________________________________________________
  110. CPU 1 Interrupt cycle time (s): 0.230837
  111. CPU 1 ISR highest execution time (µs): 155.035326
  112. CPU 1 ISR total execution time (s): 0.004287
  113. CPU 1 ISR count: 229
  114. CPU 1 DPC highest execution time (µs): 822.472826
  115. CPU 1 DPC total execution time (s): 0.043515
  116. CPU 1 DPC count: 799
  117. _________________________________________________________________________________________________________
  118. CPU 2 Interrupt cycle time (s): 0.100951
  119. CPU 2 ISR highest execution time (µs): 0.0
  120. CPU 2 ISR total execution time (s): 0.0
  121. CPU 2 ISR count: 0
  122. CPU 2 DPC highest execution time (µs): 530.993659
  123. CPU 2 DPC total execution time (s): 0.012990
  124. CPU 2 DPC count: 692
  125. _________________________________________________________________________________________________________
  126. CPU 3 Interrupt cycle time (s): 0.077018
  127. CPU 3 ISR highest execution time (µs): 0.0
  128. CPU 3 ISR total execution time (s): 0.0
  129. CPU 3 ISR count: 0
  130. CPU 3 DPC highest execution time (µs): 66.784420
  131. CPU 3 DPC total execution time (s): 0.000215
  132. CPU 3 DPC count: 26
  133. _________________________________________________________________________________________________________
  134. CPU 4 Interrupt cycle time (s): 0.130035
  135. CPU 4 ISR highest execution time (µs): 37.522645
  136. CPU 4 ISR total execution time (s): 0.000463
  137. CPU 4 ISR count: 312
  138. CPU 4 DPC highest execution time (µs): 201.355072
  139. CPU 4 DPC total execution time (s): 0.006485
  140. CPU 4 DPC count: 1746
  141. _________________________________________________________________________________________________________
  142. CPU 5 Interrupt cycle time (s): 0.109056
  143. CPU 5 ISR highest execution time (µs): 37.564312
  144. CPU 5 ISR total execution time (s): 0.000616
  145. CPU 5 ISR count: 832
  146. CPU 5 DPC highest execution time (µs): 42.228261
  147. CPU 5 DPC total execution time (s): 0.000351
  148. CPU 5 DPC count: 47
  149. _________________________________________________________________________________________________________
  150. CPU 6 Interrupt cycle time (s): 0.074205
  151. CPU 6 ISR highest execution time (µs): 0.0
  152. CPU 6 ISR total execution time (s): 0.0
  153. CPU 6 ISR count: 0
  154. CPU 6 DPC highest execution time (µs): 99.579710
  155. CPU 6 DPC total execution time (s): 0.000985
  156. CPU 6 DPC count: 151
  157. _________________________________________________________________________________________________________
  158. CPU 7 Interrupt cycle time (s): 0.077782
  159. CPU 7 ISR highest execution time (µs): 0.0
  160. CPU 7 ISR total execution time (s): 0.0
  161. CPU 7 ISR count: 0
  162. CPU 7 DPC highest execution time (µs): 15.318841
  163. CPU 7 DPC total execution time (s): 0.000052
  164. CPU 7 DPC count: 10
  165. _________________________________________________________________________________________________________
  166.  
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