On 09.11.2017 23:17, Lev Serebryakov wrote: Looks like I know where it spent all time. I've used 'pmcstat' and got very suspicious flamegraph. Looks like problem is on codepath which lies through
igb_refresh_mbufs m_getjcl uma_zalloc_arg [zone_alloc_item] zone_import zone_fetch_slab keg_fetch_slab keg_alloc_slab mbuf_jumbo_alloc kmem_alloc_contig vm_page_reclaim_contig vm_phys_scan_contig vm_page_scan_contig zone_alloc_item is optional, it presents 50% of time, otherwise path is one step shorter. -- // Lev Serebryakov
signature.asc
Description: OpenPGP digital signature
