High CPU usage when doing barely anything

[mib2berlin]

@Vojtik69
Hm yes, hard to trouble shoot but it is something in your profile.
Chrome extensions cause a lot of issues in Vivaldi, you can add --disable-extensions to your desktop shortcut to test this.

I reset my profile several times a year, I do much testing.
It takes me 5 minutest to get Vivaldi to work again with sync but I don't use feeds, use not many tabs or 20 workspaces + 20 extensions.

[brianrubin]

Just had this happen to me as well. Removing feeds and turning off feeds/mail/calendar did the trick. WTF, Vivaldi?

[DoctorG]

@brianrubin Some users experienced sometimes a broken feed, such caused high CPU usage.
Deleting and readding feed helped in such case.

On your side removing feeds had not helped? You needed to switch off Vivaldi Mail+Feeds+Calendar? Sad.

[brianrubin]

@DoctorG You know what's weird. I had the same two feeds on my AMD desktop, and there's no high CPU utilization.

The high CPU utilization was on my Intel laptop. That's weird indeed.

I'll try re-adding them today onto the laptop and see what happens.

[brianrubin]

Okay, on my Intel laptop, I added one feed, and boom, high CPU usage again:

Removed the feed, still high CPU usage:

Restarted the browser, much more normal:

So, something is going on with the mail client bits on this Intel laptop. I wish I knew what. Is there anything I can provide to help?

[DoctorG]

@brianrubin said in High CPU usage when doing barely anything:

, I added one feed, and boom, high CPU usage again

Feed URL, please, i like to check.

[brianrubin]

@DoctorG It's the feed from this page:

https://www.magipack.games/p/updates.html

I tried both ATOM and RSS with the same result.

[DoctorG]

@brianrubin The feed is valid RSS and Atom structure (tested in feed validator).
I can not reproduce on Vivaldi 6.8 and 6.9 the high CPU usage with the feed address ans its received feeds.

I get one spike of 80% on 4 cores of my Intel CPU when Vivaldi started and fetched mail, but after this all CPU usage sunk to 3%. Reading a feed got 10% for parts of a second when Vivaldi showed the feed.

[brianrubin]

@DoctorG Thank you for checking. Is there anything else I can submit to help solve this issue?

[DoctorG]

@brianrubin said in High CPU usage when doing barely anything:

ou know what's weird. I had the same two feeds on my AMD desktop, and there's no high CPU utilization.

The high CPU utilization was on my Intel laptop. That's weird indeed.

And the browser profile (settings, Mail, feeds) on both is the same?

I try to ask internally what we can do to check.

[brianrubin]

@DoctorG As far as I know, I'm not running anything differently between the two machines, same plugins and everything.

[DoctorG]

@brianrubin And both have Settings → Webpages → activated Use of Hardware Acceleration?

Check page vivaldi://gpu and copy only section Graphics Feature Status on each PC and paste here.

[brianrubin]

@DoctorG said in High CPU usage when doing barely anything:

Graphics Feature Status

Okay, this is the desktop:

Graphics Feature Status

• Canvas: Hardware accelerated
• Canvas out-of-process rasterization: Enabled
• Direct Rendering Display Compositor: Disabled
• Compositing: Hardware accelerated
• Multiple Raster Threads: Enabled
• OpenGL: Enabled
• Rasterization: Hardware accelerated
• Raw Draw: Disabled
• Skia Graphite: Disabled
• Video Decode: Hardware accelerated
• Video Encode: Hardware accelerated
• Vulkan: Disabled
• WebGL: Hardware accelerated
• WebGL2: Hardware accelerated
• WebGPU: Hardware accelerated
• WebNN: Disabled

One second and I'll go check the laptop.

[brianrubin]

@DoctorG said in High CPU usage when doing barely anything:

vivaldi://gpu

Here's the laptop:

Graphics Feature Status

• Canvas: Software only, hardware acceleration unavailable
• Canvas out-of-process rasterization: Disabled
• Direct Rendering Display Compositor: Disabled
• Compositing: Software only. Hardware acceleration disabled
• Multiple Raster Threads: Enabled
• OpenGL: Disabled
• Rasterization: Software only. Hardware acceleration disabled
• Raw Draw: Disabled
• Skia Graphite: Disabled
• Video Decode: Software only. Hardware acceleration disabled
• Video Encode: Software only. Hardware acceleration disabled
• Vulkan: Disabled
• WebGL: Software only, hardware acceleration unavailable
• WebGL2: Software only, hardware acceleration unavailable
• WebGPU: Software only, hardware acceleration unavailable
• WebNN: Disabled

Weird, I'm using my Nvidia GPU on my laptop, but it looks like Vivaldi can't use it?

These are also the settings with the hardware acceleration checkbox enabled in the settings.

[DoctorG]

@brianrubin Nvidia can be used. I have Intel i5-7500 & NVidia GT 710. But my PC that is a tower, not a laptop, and i always use the NVidia.

I do not know how priority of GPUs is on you system.
Can you deactivate Intel GPU in Intel GPU Settings Panel or in BIOS?
https://helpdeskgeek.com/how-to/how-to-switch-between-dedicated-gpu-and-integrated-graphics/
https://www.digitalcitizen.life/set-default-gpu-windows-11/

On the Laptop can you please Settings → Webpages → Hardware Accelereation
Is it active?

[brianrubin]

@DoctorG Okay, so I restarted the whole laptop after making sure the setting was on, and now:

Graphics Feature Status

• Canvas: Hardware accelerated
• Canvas out-of-process rasterization: Enabled
• Direct Rendering Display Compositor: Disabled
• Compositing: Hardware accelerated
• Multiple Raster Threads: Enabled
• OpenGL: Enabled
• Rasterization: Hardware accelerated
• Raw Draw: Disabled
• Skia Graphite: Disabled
• Video Decode: Hardware accelerated
• Video Encode: Hardware accelerated
• Vulkan: Disabled
• WebGL: Hardware accelerated
• WebGL2: Hardware accelerated
• WebGPU: Hardware accelerated
• WebNN: Disabled

So we might be okay?

[DoctorG]

@brianrubin Yepp, now Hardware Acceleration (short HWA) is fine.

Now you can check if the CPU resource problem is sill active on the laptop.

[brianrubin]

@DoctorG Okay, so I added the feed back in Vivaldi, and it's spiking the CPU again:

I'll restart the laptop again and see if it's still doing it.

[brianrubin]

Yup, still high CPU usage.

[brianrubin]

Removing the feed and restarting the browser gives me normal usage levels.