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eclipse-cyclonedds / cyclonedds

Eclipse Cyclone DDS project
https://projects.eclipse.org/projects/iot.cyclonedds
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Add setting for controlling thread affinity #2065

Closed eboasson closed 3 months ago

eboasson commented 3 months ago

This adds a Thread/Scheduling/Affinity option, which is a list of unsigned 32-bit integers indicating in some manner what CPUs to bind the thread to. Silently ignored on platforms that do not support it (or where Cyclone doesn't provide support for it yet).

Currently only on Linux, where it is interpreted as a list of CPU ids.

eboasson commented 3 months ago

I wasn't super familiar with confining processes to processors but I had some fun going through the cpuset man pages and testing out sched_setaffinity. Based on my reading there this LGTM.

Thank you for reviewing 🙏