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CPU usage reported as 0.00 when using --modern-bpf #2043

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vaskozl opened this issue Nov 20, 2023 · 2 comments · Fixed by #2055
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CPU usage reported as 0.00 when using --modern-bpf #2043

vaskozl opened this issue Nov 20, 2023 · 2 comments · Fixed by #2055
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0.35.0

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@vaskozl
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vaskozl commented Nov 20, 2023

This seems like something that should already be known but I couldn't find an issue referencing it.

While CPU usage is reported fine in both kernel and bpf driver mode, using --modern-bpf results in csysdig reporting CPU usage as zero for all processes.

I've tested this on clusters running both Talos Linux and Amazon Linux with a few different version of Kubernetes/kernels, they do not report CPU with the latest 0.34.1 image.

top in the same container has no trouble reporting the CPU usage.
@therealbobo therealbobo added this to the 0.35.0 milestone Dec 12, 2023
@therealbobo
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Hey @vaskozl! Did you experienced this issue on previous versions of sysdig? 🤔

@therealbobo therealbobo mentioned this issue Jan 4, 2024
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@therealbobo
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This PR #2055 should fix the issue :)

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fix(csysdig): fix cpu usage on modern bpf therealbobo/sysdig
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@vaskozl @therealbobo