On Thu, 9 Apr 2020 11:37:12 +0530 Archit Pandey <[email protected]> wrote:
> Hello DPDK users, > > I'm building a library for DPDK which utilizes periodically called > functions using the dpdk timer facility. Currently, I'm using the master > core on an application to call timer_manage() and run the scheduled timers. > > My doubt is whether its possible to call timer_manage() from inside the > library to run the scheduled timers. This would allow for a much more > streamlined design. An issue which comes to mind is that my library is not > aware of the cores it is being run on, hence I cannot use > rte_eal_remote_launch() for a function that calls rte_timer_manage(). > > Any help on how I can do this would be greatly appreciated! > > Thanks and regards, > In my experience, once you start running DPDK functions on non-DPDK threads lots of things can break. The DPDK threads are pinned to a core and therefore don't preempt each other. For non-DPDK threads they are not pinned; therefore a DPDK library or other code using rte_spinlocks can get preempted with and self-deadlock.
