Hi Fireberd,
Thank you so much for your reply. Latencymon told me this: (I cut out a lot of it, if you need me to post the entire report please ask)
CONCLUSION
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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.
LatencyMon has been analyzing your system for 0:34:33 (h:mm:ss) on all processors.
CPU SPEED
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Reported CPU speed: 3492 MHz
Measured CPU speed: 1 MHz (approx.)
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.
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.
MEASURED INTERRUPT TO USER PROCESS LATENCIES
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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.
Highest measured interrupt to process latency (µs): 48047,754815
Average measured interrupt to process latency (µs): 5,188758
Highest measured interrupt to DPC latency (µs): 46535,257062
Average measured interrupt to DPC latency (µs): 1,537520
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REPORTED ISRs
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Interrupt service routines are routines installed by the OS and device drivers that execute in response to a hardware interrupt signal.
Highest ISR routine execution time (µs): 46690,216495
Driver with highest ISR routine execution time: USBPORT.SYS - Controlador de puertos USB 1.1 y 2.0, Microsoft Corporation
Highest reported total ISR routine time (%): 0,032063
Driver with highest ISR total time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
Total time spent in ISRs (%) 0,055758
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REPORTED DPCs
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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.
Highest DPC routine execution time (µs): 47780,280069
Driver with highest DPC routine execution time: USBPORT.SYS - Controlador de puertos USB 1.1 y 2.0, Microsoft Corporation
Highest reported total DPC routine time (%): 0,040003
Driver with highest DPC total execution time: USBPORT.SYS - Controlador de puertos USB 1.1 y 2.0, Microsoft Corporation
Total time spent in DPCs (%) 0,104865
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REPORTED HARD PAGEFAULTS
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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.
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.
Process with highest pagefault count: searchindexer.exe
Total number of hard pagefaults 11227
Hard pagefault count of hardest hit process: 6093
Highest hard pagefault resolution time (µs): 173858,758305
Total time spent in hard pagefaults (%): 0,277273
Number of processes hit: 15
SO!! Summing up:
- ISR routines are USBPORT.SYS (this could be caused by the pci card I installed) and dxgkrnl.sys (i don't really understand what that is)
- In dpc routines we have USBPORT.SYS again
- the process with the highest pagefault count is searchindexer.exe, but how do I stop that? Isn't that like some vital windows thingy?
So, what would be the steps to follow? Should I uninstall the pci card and then what? try and update the bios?
Thank you so much for your help!
