Hi, On Wed, Feb 12, 2025 at 05:35:35PM +0530, Jyothi Kumar Seerapu wrote: > GSI hardware generates an interrupt for each transfer completion. > For multiple messages within a single transfer, this results in > N interrupts for N messages, leading to significant software > interrupt latency. > > To mitigate this latency, utilize Block Event Interrupt (BEI) mechanism. > Enabling BEI instructs the GSI hardware to prevent interrupt generation > and BEI is disabled when an interrupt is necessary. > > When using BEI, consider splitting a single multi-message transfer into > chunks of 8 messages internally and so interrupts are not expected for > the first 7 message completions, only the last message triggers > an interrupt, indicating the completion of 8 messages. > > This BEI mechanism enhances overall transfer efficiency. > > Signed-off-by: Jyothi Kumar Seerapu <quic_jseerapu@xxxxxxxxxxx> Acked-by: Andi Shyti <andi.shyti@xxxxxxxxxx> Vinod any chance you can check this patch, please? Andi
