> From: Sunil Muthuswamy <sunilmut@xxxxxxxxxxxxx> > Sent: Thursday, May 16, 2019 7:05 PM > Currently, the hv_sock send() iterates once over the buffer, puts data into > the VMBUS channel and returns. It doesn't maximize on the case when there > is a simultaneous reader draining data from the channel. In such a case, > the send() can maximize the bandwidth (and consequently minimize the cpu > cycles) by iterating until the channel is found to be full. > ... > Observation: > 1. The avg throughput doesn't really change much with this change for this > scenario. This is most probably because the bottleneck on throughput is > somewhere else. > 2. The average system (or kernel) cpu time goes down by 10%+ with this > change, for the same amount of data transfer. > > Signed-off-by: Sunil Muthuswamy <sunilmut@xxxxxxxxxxxxx> Reviewed-by: Dexuan Cui <decui@xxxxxxxxxxxxx> The patch looks good. Thanks, Sunil! Thanks, -- Dexuan
