Interrupt coalescing - #40
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A few tests keep exploding, I've tried multiple times so I guess not a false positive? |
Implements interrupt coalescing with configurable interval to relieve syscall churn on libvhost and QEMU/KVM side while trading off some latency. By default coalescing interval is not set (0), effectively restoring existing behavior. Signed-off-by: Andrey Korzinev <ak@nebius.com>
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@d-tatianin sorry for the delay. Thanks to @budevg, now tests are passing :) |
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Hi!
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Also we probably need to add tests for it since currently the interrupt coalescing option is never enabled in ut |
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Implements interrupt coalescing with configurable interval to relieve syscall churn on libvhost and QEMU/KVM side while trading off some latency.
By default coalescing interval is not set (0), effectively restoring existing behavior.
With virtiofs shortcut (immediate response in
do_read/do_write), 1vhd_run_queuethread - 250k IOPS (aarch64)Same with 10 us coalescing - 316k IOPS