A Smackerel of Opinion
Notes and jottings from an ex-Ubuntu Kernel Team Engineer
Thursday, 21 April 2016
Ensure your stack is aligned correctly on aarch64 clone()
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I got bitten this week with the clone() system call returning -EINVAL on aarch64 on code that worked fine on x86. After re-reading the manu...
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Friday, 11 March 2016
A frequently used incorrect realloc() idiom
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While running static analysis on a lot of C source code, I keep on finding a common incorrect programming idiom used with realloc() allocati...
Monday, 22 February 2016
ZFS quick start reference guide
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Dustin Kirkland recently announced ZFS being officially supported by Canonical for Ubuntu Xenial 16.04. We've written a short refere...
Monday, 15 February 2016
New "top" mode in eventstat
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I wrote eventstat a few years ago to track wakeup events that keep a machine from being fully idle. For Ubuntu Xenial Xerus 16.04 I've...
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