im guessing thats 99% cpu in FL studio.snick01 wrote:Using i5 laptop with windows 7 and FL Studio, and recently been hitting 99% cpureformatted windows, and still get the same.
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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 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 0:02:12 (h:mm:ss) on all processors.
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SYSTEM INFORMATION
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Computer name: SLUM_LAPTOP
OS version: Windows 7 Service Pack 1, 6.1, build: 7601 (x64)
Hardware: Aspire 5742, Acer
CPU: GenuineIntel Intel(R) Core(TM) i5 CPU M 480 @ 2.67GHz
Logical processors: 4
Processor groups: 1
RAM: 5814 MB total
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CPU SPEED
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Reported CPU speed: 2660.0 MHz
Measured CPU speed: 1319.0 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.
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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): 9357.911533
Average measured interrupt to process latency (µs): 12.025577
Highest measured interrupt to DPC latency (µs): 225.199648
Average measured interrupt to DPC latency (µs): 1.587235
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MEASURED SMI, IPI AND CPU STALLS
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The SMI, IPI and CPU stalls value represents the highest measured interval that a CPU did not respond while having its maskable interrupts disabled.
Highest measured SMI or CPU stall (µs) 31.181490
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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): 166.816541
Driver with highest ISR routine execution time: ataport.SYS - ATAPI Driver Extension, Microsoft Corporation
Highest reported total ISR routine time (%): 0.097304
Driver with highest ISR total time: ataport.SYS - ATAPI Driver Extension, Microsoft Corporation
Total time spent in ISRs (%) 0.154646
ISR count (execution time <250 µs): 158720
ISR count (execution time 250-500 µs): 0
ISR count (execution time 500-999 µs): 0
ISR count (execution time 1000-1999 µs): 0
ISR count (execution time 2000-3999 µs): 0
ISR count (execution time >=4000 µs): 0
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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): 183.374060
Driver with highest DPC routine execution time: dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation
Highest reported total DPC routine time (%): 0.230552
Driver with highest DPC total execution time: rspLLL64.sys - Resplendence Latency Monitoring and Auxiliary Kernel Library, Resplendence Software Projects Sp.
Total time spent in DPCs (%) 0.390774
DPC count (execution time <250 µs): 856338
DPC count (execution time 250-500 µs): 0
DPC count (execution time 500-999 µs): 0
DPC count (execution time 1000-1999 µs): 0
DPC count (execution time 2000-3999 µs): 0
DPC count (execution time >=4000 µs): 0
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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: latmon.exe
Total number of hard pagefaults 5
Hard pagefault count of hardest hit process: 2
Highest hard pagefault resolution time (µs): 17193.065789
Total time spent in hard pagefaults (%): 0.006345
Number of processes hit: 3
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PER CPU DATA
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CPU 0 Interrupt cycle time (s): 3.372534
CPU 0 ISR highest execution time (µs): 73.581955
CPU 0 ISR total execution time (s): 0.376318
CPU 0 ISR count: 138050
CPU 0 DPC highest execution time (µs): 136.920301
CPU 0 DPC total execution time (s): 1.814162
CPU 0 DPC count: 826310
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CPU 1 Interrupt cycle time (s): 14.600942
CPU 1 ISR highest execution time (µs): 128.295865
CPU 1 ISR total execution time (s): 0.162972
CPU 1 ISR count: 7008
CPU 1 DPC highest execution time (µs): 183.374060
CPU 1 DPC total execution time (s): 0.090418
CPU 1 DPC count: 8468
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CPU 2 Interrupt cycle time (s): 1.364271
CPU 2 ISR highest execution time (µs): 166.816541
CPU 2 ISR total execution time (s): 0.136875
CPU 2 ISR count: 7102
CPU 2 DPC highest execution time (µs): 103.815789
CPU 2 DPC total execution time (s): 0.081239
CPU 2 DPC count: 11639
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CPU 3 Interrupt cycle time (s): 1.020157
CPU 3 ISR highest execution time (µs): 153.511654
CPU 3 ISR total execution time (s): 0.140707
CPU 3 ISR count: 6560
CPU 3 DPC highest execution time (µs): 108.376692
CPU 3 DPC total execution time (s): 0.078327
CPU 3 DPC count: 9921
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Actually DPC latency due to poor drivers is a common problem, it doesn't matter what the piece of hardware is. If the driver is poor, the audio can crackle. There are many examples of graphics drivers causing problems on the internet, here is one: https://forums.geforce.com/default/topi ... -dropouts/Brothulhu wrote:Your bios is probably locked, try googling the model and find how to reset the password.
Simulant, the only way a graphics card would make any difference to music production would be if he had an Nvidia card and VSTs that use CUDA (I have only seen 1 of these), his laptop has an i5 M480 so is using intel HD 4000 graphics not a dedicated card.
You can try to update the drivers but I highly doubt that's the problem - https://downloadcenter.intel.com/Default.aspx?lang=eng
I didn't say it had anything to do with CUDA. Notice how your link and your past experience is with Nvidia cards, he is is using intel onboard graphicsSimulant wrote:Actually DPC latency due to poor drivers is a common problem, it doesn't matter what the piece of hardware is. If the driver is poor, the audio can crackle. There are many examples of graphics drivers causing problems on the internet, here is one: https://forums.geforce.com/default/topi ... -dropouts/Brothulhu wrote:Your bios is probably locked, try googling the model and find how to reset the password.
Simulant, the only way a graphics card would make any difference to music production would be if he had an Nvidia card and VSTs that use CUDA (I have only seen 1 of these), his laptop has an i5 M480 so is using intel HD 4000 graphics not a dedicated card.
You can try to update the drivers but I highly doubt that's the problem - https://downloadcenter.intel.com/Default.aspx?lang=eng
It has nothing to do with CUDA - as you said there are only a few CUDA plugins out, yet there's tons of DPC issues.
On one of the Nvidia drivers I downloaded a few months back, DPC latency was on the list of bug fixes.
Really? I must have misread this:Brothulhu wrote:I didn't say it had anything to do with CUDA.
Like I said, it's an issue I've encountered many times with all sorts of hardware. The recommended procedure is to disable hardware until the problem clears up, could be graphics, wifi, anything really. But as the highest time is dxgkrnl.sys, I recommended checking the graphics drivers. You do know what directx is, right?Brothulhu wrote:Simulant, the only way a graphics card would make any difference to music production would be if he had an Nvidia card and VSTs that use CUDA
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