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Is My CPU Throttling?

post #1 of 16
Thread Starter 
Hi, so I have been posting for a long time about a problem with my pc while playing games i notice significant performance decreases, suspecting its some kind of cpu throttle.
so anyway here is the thread about the issue, I included graphs and full info of what I did (check initial post only):
https://linustechtips.com/main/topic/540311-why-is-my-p...

I wanted to ask in this thread if it is throttling, if so, how can I fix it?


.Thanks
post #2 of 16
Looks like you have tried alot of things , why not try LatencyMon to measure your DPS latency , http://www.resplendence.com/download/LatencyMon.exe , might give you some ideas if there is something stalling.

Run it , Hit green arrow let it run for some 30minutes play a game , then hit stop , it should give you a report. Under "Stats"
post #3 of 16
Thread Starter 
Quote:
Originally Posted by anonjoe View Post

Looks like you have tried alot of things , why not try LatencyMon to measure your DPS latency , http://www.resplendence.com/download/LatencyMon.exe , might give you some ideas if there is something stalling.

Run it , Hit green arrow let it run for some 30minutes play a game , then hit stop , it should give you a report. Under "Stats"
Already did, and did everything within human power to fix things that needed fixing.
post #4 of 16
Redacted
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post #5 of 16
My guess: the PSU is faulty or the OEM motherboard is just complete trash.
I honestly cant think of anything else as you've tried a billion solutions.
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post #6 of 16
Didn't read your whole other thread, only the ton of stuff you tried.
I didn't see that you have looked for power throttling.
You can check this with Intel Extreme Tuning Utility (XTU), Power limit throttling graph enabled.
If you notice some drops in the graph, try to raise current and power limits wherever you see them in the BIOS.
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post #7 of 16
Thread Starter 
Quote:
Originally Posted by BaK2BaK View Post

Didn't read your whole other thread, only the ton of stuff you tried.
I didn't see that you have looked for power throttling.
You can check this with Intel Extreme Tuning Utility (XTU), Power limit throttling graph enabled.
If you notice some drops in the graph, try to raise current and power limits wherever you see them in the BIOS.
there is no such thing in the bios, it has basic things, c-states etc.
I know well.
I disabled throttling on power options for now. I enabled the advanced power options hidden options and managed everything from there.
If you investigate you will find that this oem bios has no more options besides the factory default and some options that can be tweaked.
Quote:
Originally Posted by anonjoe View Post

Looks like you have tried alot of things , why not try LatencyMon to measure your DPS latency , http://www.resplendence.com/download/LatencyMon.exe , might give you some ideas if there is something stalling.

Run it , Hit green arrow let it run for some 30minutes play a game , then hit stop , it should give you a report. Under "Stats"
So I did.
One hour is enough right?
I tried several things, and the latest drivers both oem and non-oem.
Also every possible troubleshooting for hardpagefaults as well.


So , yeah, no missing drivers, every single one is under its proper section and has the latest version of its own driver.
I did not have dpc latency issues in the past, but had the fps problems in games when objects and assets were loaded up, so I even tried ssd. But nope.
anyway.

Also the conclusion of the analysis is this:
Code:
_________________________________________________________________________________________________________
CONCLUSION
_________________________________________________________________________________________________________
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. 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. 
LatencyMon has been analyzing your system for  1:00:11  (h:mm:ss) on all processors.


_________________________________________________________________________________________________________
SYSTEM INFORMATION
_________________________________________________________________________________________________________
Computer name:                                        DENIS-PC
OS version:                                           Windows 8 , 6.2, build: 9200 (x64)
Hardware:                                             Precision T3600, Dell Inc., 08HPGT
CPU:                                                  GenuineIntel Intel(R) Xeon(R) CPU E5-1620 0 @ 3.60GHz
Logical processors:                                   4
Processor groups:                                     1
RAM:                                                  6101 MB total


_________________________________________________________________________________________________________
CPU SPEED
_________________________________________________________________________________________________________
Reported CPU speed:                                   3591 MHz
Measured CPU speed:                                   19 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
_________________________________________________________________________________________________________
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):   84805.959975
Average measured interrupt to process latency (µs):   4.876217

Highest measured interrupt to DPC latency (µs):       84801.979022
Average measured interrupt to DPC latency (µs):       2.190597


_________________________________________________________________________________________________________
 REPORTED ISRs
_________________________________________________________________________________________________________
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):              80.794208
Driver with highest ISR routine execution time:       dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation

Highest reported total ISR routine time (%):          0.246475
Driver with highest ISR total time:                   dxgkrnl.sys - DirectX Graphics Kernel, Microsoft Corporation

Total time spent in ISRs (%)                          0.262747

ISR count (execution time <250 µs):                   2676123
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


_________________________________________________________________________________________________________
REPORTED DPCs
_________________________________________________________________________________________________________
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):              84816.718463
Driver with highest DPC routine execution time:       tcpip.sys - TCP/IP Driver, Microsoft Corporation

Highest reported total DPC routine time (%):          0.128306
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 (%)                          0.508878

DPC count (execution time <250 µs):                   18520910
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


_________________________________________________________________________________________________________
 REPORTED HARD PAGEFAULTS
_________________________________________________________________________________________________________
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                       558
Hard pagefault count of hardest hit process:          181
Highest hard pagefault resolution time (µs):          71936.032303
Total time spent in hard pagefaults (%):              0.001309
Number of processes hit:                              13


_________________________________________________________________________________________________________
 PER CPU DATA
_________________________________________________________________________________________________________
CPU 0 Interrupt cycle time (s):                       147.737510
CPU 0 ISR highest execution time (µs):                80.794208
CPU 0 ISR total execution time (s):                   37.929347
CPU 0 ISR count:                                      2663466
CPU 0 DPC highest execution time (µs):                84816.718463
CPU 0 DPC total execution time (s):                   69.737630
CPU 0 DPC count:                                      17649600
_________________________________________________________________________________________________________
CPU 1 Interrupt cycle time (s):                       14.955337
CPU 1 ISR highest execution time (µs):                48.904483
CPU 1 ISR total execution time (s):                   0.024011
CPU 1 ISR count:                                      12618
CPU 1 DPC highest execution time (µs):                136.672793
CPU 1 DPC total execution time (s):                   1.531156
CPU 1 DPC count:                                      401982
_________________________________________________________________________________________________________
CPU 2 Interrupt cycle time (s):                       10.779085
CPU 2 ISR highest execution time (µs):                10.043999
CPU 2 ISR total execution time (s):                   0.000130
CPU 2 ISR count:                                      31
CPU 2 DPC highest execution time (µs):                60.711779
CPU 2 DPC total execution time (s):                   1.001772
CPU 2 DPC count:                                      227978
_________________________________________________________________________________________________________
CPU 3 Interrupt cycle time (s):                       10.701928
CPU 3 ISR highest execution time (µs):                8.260652
CPU 3 ISR total execution time (s):                   0.000044
CPU 3 ISR count:                                      8
CPU 3 DPC highest execution time (µs):                47.306043
CPU 3 DPC total execution time (s):                   1.236282
CPU 3 DPC count:                                      241351
_________________________________________________________________________________________________________
post #8 of 16
Thread Starter 
Ok so by disabling throttling on power options of windows using the hidden options in registry I managed to settle down the bad performance spikes but did not really completely fix it yet, its just lighter.
post #9 of 16
Good find! thumb.gif
Centurion1
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Adata Premier Pro SP900 128GB SATA M.2 2280 KingFast 512GB mSATA BeQuiet Dark Rock TF CPU cooler Windows 7 Pro 
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Centurion1
(8 items)
 
 
MiniCube
(11 items)
 
CPUMotherboardGraphicsRAM
Intel Pentium4 Northwood MSI 865PE NEO2-S Gainward GeForce 7600 Golden Sample 256 MB AGP8X Corsair TwinX 2x 1GB DDR PC3200 
CoolingOSPowerCase
Thermalright XP-90 + Noiseblocker SE2 92mm Win2000 Tagan TG380 Dual Fan Active PFC CoolerMaster Centurion1 
CPUMotherboardGraphicsRAM
Delidded Ivy Bridge i5 3570K @4.7GHz Asrock Z77E-ITX iGPU HD4000 G.SKILL Ares Series 2x 8GB 1866MHz CL10-11-10-2N 
Hard DriveHard DriveOptical DriveCooling
OCZ Agility 3 120GB Samsung 840 Series 250GB Samsung SE-218BB external DVD/RW Noctua NH-C14 
OSMonitorPowerCase
Windows 7 Ultimate x64 Philips 220CW Silverstone SFX 300W Silverstone Sugo SG05B 
Mouse
Rapoo 7600 
CPUMotherboardGraphicsRAM
Intel i5-5675C 4.4GHz Asus Z97I-Plus ITX Iris Pro Graphics 6200 Crucial Ballistix Sport VLP (2x 8GB) 
Hard DriveHard DriveCoolingOS
Adata Premier Pro SP900 128GB SATA M.2 2280 KingFast 512GB mSATA BeQuiet Dark Rock TF CPU cooler Windows 7 Pro 
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LG 29UM67-P 29" UltraWide 250W FSP FlexATX 80PLUS Bronze Jonsbo case V2 Black 
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post #10 of 16
Thread Starter 
Quote:
Originally Posted by BaK2BaK View Post

Good find! thumb.gif
?
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