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Questions tagged [cpu-usage]

The amount of processing units of the CPU used to execute a task and how long it takes.

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Erratic CPU usage by mscorsvw.exe (.NET Runtime Optimisation Service)

I have a Server 2008 R2 Terminal Server that's just been kinda sitting around for the last three months with very, very low usage (perhaps 1 user for an hour, once a day). All of a sudden, for no reason I can fathom, mscorsvw.exe (.NET Runtime…
Mark Henderson
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Random high CPU usage on Linux using Apache

I've recently had a bit of a strange problem with my web server. Over the last day or so the site seems to be slowing down somewhat at random intervals, we don't seem to be experiencing any major extra traffic, however a quick look at 'top' and…
stukerr
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Monitor and graph CPU usage per process and per thread

I need to monitor CPU usage by a given process and each of its threads. For each of them I want to have: average and maximum CPU usage percent, total CPU time used during the captured period, a graph of CPU usage over time, all the above for user…
VladV
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AWS server completely shutting down because of the insufficient CPU memory (server-kernel: out-of-memory )

WordPress website(4years old) have been recently migrated from shared server to the AWS server (2cpu, 4GB ram,80 SSD).After migration website was working fine but in the night between 2am and 6am the CPU is showing spike in the usage(only on…
Rakshith k
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100% CPU usage reported, but no processes using the CPU

I am running Debian 10 (kernel 4.19.0-18-amd64) on bare metal and I have recently noticed strange CPU usage. Screenshot of htop, sorted by CPU% Screenshot of top, sorted by CPU% As you can see, 100% CPU usage is reported over all of the cores but…
tomf
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Can I have multiple threads running in parallel in a pod with a CPU limit set to 500 millicores?

I have a multi cores Kubernetes cluster, inside it I have multiple pods configured with a CPU limit of 500 millicores: resources: limits: cpu: "500m" It is possible to have, in a single pod, more than one threads…
Davide Icardi
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Hyper-V virtual machines high CPU usage

On Windows 10 (1903) I have installed Hyper-V host. On that host I have some Windows 10 (1903) machines. Everything fresh installed. The machines does not yet have any heavy services set up (mostly clean domain joined Win 10). The problem is…
Martin Volek
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What is the relation between IO wait utilisation and load average

Load average uses processes that are running or runnable or in uninterrupted sleep state. So do the processes in uninterrupted sleep state correspond with the %wa as per the top command? Both are referring to threads waiting for IO so it seems…
tushar
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Audit CPU and memory usage for cron jobs

I have a system that runs a lot of cronjobs. It seems that one of these crons is consuming excessive amounts of CPU and memory on occasion. Is there an easy way to audit CPU and memory usage of cron jobs?
Ben K.
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qemu-system-x86 consumes about 25% cpu on host while guest is in idle state

I run two kvm guests on my host, with the same config. One of them is a ubuntu 17.10, the other is a debian 9.2. Both are running on linux kernel 4.13 (debian is installed from the backports repo) On the host side I see, Ubuntu's qemu process…
user446594
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Why does kswapd use 100% CPU with no swap space and plenty of cache available for reaping?

Firefox used a lot of memory and the machine ground to a near-halt with kswapd/kworker using most of the CPUs. There is no swap space, and vm.swappiness=0 on Linux 4.5.7 (Fedora 24). What I don't understand is that with nearly 1.5GB of buff/cache,…
averageradical
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High CPU Load on Synology by smbd

I have a Synology DS213j which I access through a VPN via the build-in VPN Server (I use OpenVPN) using Windows Explorer. Copying files to my local hard drive is very slow in the range of only ~170 KB/s. This seems to be limited by the Synologys…
sinned
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What process on a SonicWall Security Appliance Checks the DPI-SSL Client Inspection?

I'm interested in determining if there is high CPU usage on a SonicWall Security Appliance, but I don't know which process to check for high CPU usage. There are various options for this in the UI like: Intrusion Prevention Gateway…
leeand00
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IIS w3wp using high cpu with no traffic

I am seeing the following suspicious behavior on one of our web servers (IIS 6.0 on win2k3). two CPUs hyperthreaded into 4. In task manager and perfmon the w3wp.exe's cpu utilization does appear to be floored at 25%. By floored I mean, cpu…
user22905
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CPU is only used 50% on full load on a Windows Server 2012 R2

I use Windows Server 2012 R2 on my home server (it's a mini-ITX PC based on an Asrock E350M1/USB3 motherboard, so it's not a strong enterprise server). My problem is that even when I run multiple CPU-heavy applications, it only uses 50% of both CPU…
hunyadym
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