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A comment on Linux: Introduce restartable sequences system call. Parent comment
In that case, the per-cpu data is the 'reserve' and 'commit' counters that must be updated when the tracer saves an event to the per-CPU buffers.
Other uses that I'm aware of include memory allocators that maintain per-CPU arenas.
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In that case, the per-cpu data is the 'reserve' and 'commit' counters that must be updated when the tracer saves an event to the per-CPU buffers.
Other uses that I'm aware of include memory allocators that maintain per-CPU arenas.