Hello guys,
I have a simple Proxmox host, that runs several virtual machines with Debian and since the upgrade from Jessie to Stretch, I am experiencing a weird issue:
The total CPU load on the host was quite low around 1% while idle, nowadays it is at 6%. It isn't a critical "oh my god I need more power", more like a "What happened?" kind of issue.
I still have one Jessie VM that still has a low idle CPU load (0.2%), all other debian machines are running on stretch and show an idle CPU load of 1.5-2%, looking like this:
Again... I am complaining on a high level here, but what could be the issue? I don't run any more services or alike than before upgrading to stretch.
Thank you for your help, and sorry for my english. It's not my mother tongue .
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"High" idle CPU usage since upgrade to Stretch
Re: "High" idle CPU usage since upgrade to Stretch
Hi
You can probably use top/conky to see which processes are running and consuming the cpu, first of all.
You can probably use top/conky to see which processes are running and consuming the cpu, first of all.
ThinkPad E14: Arch, Debian Stable
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GUI: Xfce
For new: Try MX Linux, Linux Mint; later join Debian Stable
Re: "High" idle CPU usage since upgrade to Stretch
Just wanted to confirm here that I have the exact same 'problem'. Proxmox is reporting a (relatively speaking) much higher idle cpu between stretch and jessie.
I even setup a test with two fresh installs of stretch and jessie side-by-side, showing the exact same idle cpu result from the moment they are up and running.
These tests were conducted 2 months ago. I can recall that I couldn't find very interesting facts from reading top. If I have some time I'll see if I can replay and post some of the results.
I even setup a test with two fresh installs of stretch and jessie side-by-side, showing the exact same idle cpu result from the moment they are up and running.
These tests were conducted 2 months ago. I can recall that I couldn't find very interesting facts from reading top. If I have some time I'll see if I can replay and post some of the results.
Re: "High" idle CPU usage since upgrade to Stretch
I have this problem with Jessie on host and Stretch on guest. Idle in guest => 0,2% (Jessie), 5% (Stretch) in host . it does not matter if guest is fresh install or upgrade from Jessie.
Re: "High" idle CPU usage since upgrade to Stretch
I ran top on a clean install, of debian stretch. I am idle no more that 1% on an ivybridge.
Xorg, and topitself are no more than 0.3% each. It says 99.9% idle Cpu%. I come from windows, this over head is insane.
On my laptop, I running a different Distro which isn't a fresh install. It only has 4gb of ram, and an older cpu. Not exactly debian anymore but it's pretty much Jessie. I have over 40 tabs open and I have 90% idle cpu and 80% of my ram is free. Windows I couldn't run 20 tabs without risking hanging. Oh and running Open VPN. If I let it sit even with browser open the CPU use will pretty much go down to where I don't even see any activity on the UI. Laptop preforms better than before.
Funny linux problems
Although at idle on Stretch I am getting about 2% or higher as well. Which imo is pretty high and I can't see, to see what is using it. Top doesn't notify me of anything but thunar at 7% and the XFCE taskmanager says 0% down the whole side.
So I not sure, there is some cpu unaccounted for in top I see 1.1 us 0.6 sys and 98.2 id. Not sure. I n00b at this seems most is accounted for in top,
Xorg, and topitself are no more than 0.3% each. It says 99.9% idle Cpu%. I come from windows, this over head is insane.
On my laptop, I running a different Distro which isn't a fresh install. It only has 4gb of ram, and an older cpu. Not exactly debian anymore but it's pretty much Jessie. I have over 40 tabs open and I have 90% idle cpu and 80% of my ram is free. Windows I couldn't run 20 tabs without risking hanging. Oh and running Open VPN. If I let it sit even with browser open the CPU use will pretty much go down to where I don't even see any activity on the UI. Laptop preforms better than before.
Funny linux problems
Although at idle on Stretch I am getting about 2% or higher as well. Which imo is pretty high and I can't see, to see what is using it. Top doesn't notify me of anything but thunar at 7% and the XFCE taskmanager says 0% down the whole side.
So I not sure, there is some cpu unaccounted for in top I see 1.1 us 0.6 sys and 98.2 id. Not sure. I n00b at this seems most is accounted for in top,