On Thu, Mar 23, 2017 at 3:38 PM, Alexander Duyck <alexander.duyck@xxxxxxxxx> wrote: > On Thu, Mar 23, 2017 at 3:07 PM, Alexei Starovoitov >> it all sounds awesome, but i cannot quite visualize the impact. >> Can you post some sample code/minibenchmark and numbers before/after? >> >> Thanks! >> > > Anything specific you are looking for? I can probably work with our > team internally to setup the benchmark in the next day or so. > > I've been doing most of my benchmarking at my desk with sockperf with > just one thread and multiple sockets and seeing some modest savings > with my round trip times dropping from something like 18 microseconds > on average to 8 microseconds for ping-pong tests. Same reduction for me, on 1000/1000 bytes RPC. 26 usec -> 16 usec per transaction (If you use sockperf, beware that it displays half round trips) Also note that the gains also depends on how the interrupt mitigation parameters are set. -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
