On Mon, Sep 2, 2019 at 1:27 PM Ilya Maximets <i.maxim...@samsung.com> wrote: > > Unlike 'rte_get_tsc_cycles()' which doesn't need any specific > initialization, 'rte_get_tsc_hz()' could be used only after successfull > call to 'rte_eal_init()'. 'rte_eal_init()' estimates the TSC frequency > for later use by 'rte_get_tsc_hz()'. Fairly said, we're not allowed > to use 'rte_get_tsc_cycles()' before initializing DPDK too, but it > works this way for now and provides correct results. > > This patch provides TSC frequency estimation code that will be used > in two cases: > * DPDK is not compiled in, i.e. DPDK_NETDEV not defined. > * DPDK compiled in but not initialized, > i.e. other_config:dpdk-init=false > > This change is mostly useful for AF_XDP netdev support, i.e. allows > to use dpif-netdev/pmd-perf-show command and various PMD perf metrics. > > Signed-off-by: Ilya Maximets <i.maxim...@samsung.com> > Acked-by: William Tu <u9012...@gmail.com>
Reviewed-by: David Marchand <david.march...@redhat.com> -- David Marchand _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
