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Questions tagged [cpu-throttling]

34 questions
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How can I see how much my CPU is being throttled?

Windows has a feature which can be set from the Power Options menu where the CPU is automatically throttled according to usage in order to save power. How can I view this throttling in real time? For instance, is the CPU Usage in Windows Task…
Superbest
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CPU utilization won't go above 30%

I have an HP Pavillion 14 laptop. Intel Celeron 1.6GHz 2 core. 2Gb RAM. Windows 10. It's running really slowly. So slow that its unusable right from the very start. I check the resource monitor and the CPU never goes above 30% utilization or…
Kevin Brydon
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Is there any way to force a Xeon 1650 v3 CPU to not change its operating frequency?

I have a SuperMicro X10SRi-F server with a Xeon 1650v3 CPU. I'm trying to disable frequency scaling on the processor without any luck (don't know if it is even possible at all). I've disabled Speed Step on the BIOS, put the machine in the 'High…
Pablo Montilla
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CPU Speed stuck at 0.78 GHz, How do I increase it to its base speed of 2.30 GHz?

My 1yr old laptop, HP Pavilion 15 has it's CPU, Intel i5-8300H stuck at 0.78 GHz whenever it's plugged and charging, and the moment I remove the charger plug or switch it off, it increases suddenly and keep fluctuating freely, with good utilisation…
GeassDragon
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How can I prevent high CPU usage from Chrome tabs in OS X?

I do this a lot: Notice my MacBook Air is running hot Open Activity Monitor, see "Google Chrome Helper" process pegged at 100% CPU Open Chrome's Task Manager to find the responsible tab Find and kill some blog post I opened two days ago whose JS is…
goodside
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how do I know if the BIOS or the OS is throttling my CPU? (Linux)

I'm using Ubuntu Linux 18.04. I've been sold a secondhand Dell Precision M6700 Laptop with an underpowered power adaptor. Apparently, the BIOS can recognize this condition, and I read somewhere that it will apply an extreme throttle to the CPU. How…
horizonbrave
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How does "CPU Thermal Throttle" work?

I have an AMD FX-6300 CPU and an ASRock 970 Pro3 R2.0 motherboard with an American Megatrends version P1.0 BIOS. The BIOS has an option for CPU Thermal Throttling which can be disabled, can be set to auto, or can be set to a percentage (12%, 25%,…
f.ardelian
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CPU throttling: energy_performance_preferences

I was looking at ways to keep the CPU cool when running long jobs (40-70 mins long) that use all available cores at maximum available frequency. Also I have a lot of these jobs to run. First I came across this script but I don't understand bash…
ITA
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How to get statistics of CPU throttling?

My dmesg output says that the CPUs are throttled, because of the temperature. [ 1283.260276] CPU3: Core temperature above threshold, cpu clock throttled (total events = 1) [ 1283.260277] CPU2: Core temperature above threshold, cpu clock throttled…
user1459339
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CPU performance fluctuates wildly

CPU: Intel Core 2 Duo P8400 @ 2.26GHz. I've had this laptop for about 3 years and in the past month I've started getting periodic framerate drops in games. Usually the pattern is random, something like: 4 seconds of 29-31 ms/frame, 9 seconds of…
Stefan Monov
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Pros & Cons of throttling CPU

So my laptop's CPU has this turbo boost thing, and it heats up the machine to an uncomfortable degree. So I've used cpufrequtils to keep my CPU at only 1.4GHz, and it hasn't felt any slower and it's gotten cooler. Though I've noticed now, the…
Some Dinosaur
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What MSR to read to understand why my laptop CPU is sometimes stuck at 800Mhz?

I have a Dell Precision 7550 with an Intel Xeon W-10885M (Comet Lake), and sometimes, on Ubuntu only (not on Windows), my CPU get stuck at 800Mhz when plugged in (no problem on battery). I'm trying to understand what happens, and what triggers this…
Vincent
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CPU "Turbo Boost Power Max" default value too low

Somehow my laptop's default maximum wattage got set to 8 watts, severely limiting what I'm able to do with it. Using Intel XTU I found out it was due to current limiting. I'm able to set this up to the recommended value which allows it to run…
Monoxide
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Odd GPU / CPU throttling behavior in WinToGo-Pro 10

I have two identical Dell Precision 5530 work machines (8850H / Quadro P1000). They are running the exact same OS (win10 enterprise) with the same exact power configuration and both of their bioses have been reset to factory settings. On one of the…
agz
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Laptop CPU power limit throttling is constantly on for no reason

I have a laptop (HP OMEN 15, Intel i7-7700HQ + NVIDIA 1050Ti, Windows 10 1809) which I run some heavy computational jobs from time to time. Everything had been working fine for months until yesterday, I found my laptop running slower and the fan…
Cloudy
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