Re: [PATCH iwl-next 6/10] ice: increase OICR interrupt moderation rate to 20K interrupts/sec

Simon Horman
2026-04-14T09:33:21Z

On Fri, Apr 10, 2026 at 09:49:17AM +0200, Aleksandr Loktionov wrote:
> The miscellaneous interrupt cause (OICR) is throttled to 8K
> interrupts per second (124 us minimum spacing). This interrupt
> handles VF mailbox messages and Tx timestamps, so the low rate
> imposes a minimum latency floor on both use-cases.
>
> Raise the rate to 20K interrupts per second (50 us minimum
> spacing) to allow lower latency handling for Tx timestamp
> bursts and high VF message rates.
>
> Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
> Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>

Reviewed-by: Simon Horman <horms@kernel.org>