A Smackerel of Opinion

Notes and jottings from an ex-Ubuntu Kernel Team Engineer

Thursday, 30 April 2020

easy capturing of kernel stack traces with virsh

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Today I needed to capture a rather large kernel stack dump, this is rather trivial using virsh.  Using virt-manager I created a VM named vm-...
Monday, 4 November 2019

stress-ng Embedded Linux Conference Europe 2019 presentation

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Last week I attended the Embedded Linux Conference (Europe 2019) and presented a talk on stress-ng .  The slide deck for this presentation ...
Thursday, 17 October 2019

Stress testing CPU temperatures

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Stress testing CPU temperatures is not exactly straight forward.  CPU designs vary from CPU to CPU and each have their own strengths and wea...
1 comment:
Tuesday, 10 September 2019

Boot speed improvements for Ubuntu 19.10 Eoan Ermine

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The early boot requires loading and decompressing the kernel and initramfs from the boot storage device.   This speed is dependent on severa...
2 comments:
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