On Wed, 4 Dec 2013 03:46:36 -0800 Sambath Kumar Balasubramanian <sambath.balasubramanian at gmail.com> wrote:
> Hi, > > The ring library seems to be an excellent IPC. But looking at one use > case where the fast path code posts events to event thread for example, the > event thread will spend some cycles polling the ring rather than waiting > for the event. One approach could be a fast path code basically posts the > event in the ring as is today and there is a background thread that polls > the queues and wakes up the event threads. This is similar to Linux > SOFTIRQs.The event threads are asynchronous. Is this a fair model to avoid > extra polling CPU cycles by the event threads? Is there any other > alternatives in dpdk? > > Regards, > Sambath I have in several cases combined RTE ring with use of eventfd + poll to get wakeup
