Date: Wed, 31 Aug 2016 16:50:11 +0300 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: Adrian Chadd <adrian@freebsd.org> Cc: Bruce Simpson <bms@fastmail.net>, Ryan Stone <rysto32@gmail.com>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>, Ryan Stone <rstone@freebsd.org>, "src-committers@freebsd.org" <src-committers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org> Subject: Re: svn commit: r304436 - in head: . sys/netinet Message-ID: <20160831135010.GV88122@zxy.spb.ru> In-Reply-To: <CAJ-Vmo=txJPgfbz6UANF619i4DXRELfct6HVJ-8nS=tK0geXUA@mail.gmail.com> References: <20160826151324.GF88122@zxy.spb.ru> <CAJ-Vmomg6ejJdZessaUU3DF%2BV%2BsQd=hMZwo_pDYpa4XjoB_ZcA@mail.gmail.com> <20160826213613.GH88122@zxy.spb.ru> <CAJ-VmomRDdg5EUUiAHOyVBzitd8cZ8bPGCrU9btnveWeW-_85g@mail.gmail.com> <20160826220255.GI88122@zxy.spb.ru> <CAJ-VmomFuh07_vBi%2BzdNrPs3%2BDni1AtYh_VNKbnACydbCxr7gw@mail.gmail.com> <20160827004617.GJ88122@zxy.spb.ru> <CAJ-VmokC-8hW6uJaORLFQmb_nHdevHbVbBGVS3xGghs3jOKofg@mail.gmail.com> <20160828133012.GN88122@zxy.spb.ru> <CAJ-Vmo=txJPgfbz6UANF619i4DXRELfct6HVJ-8nS=tK0geXUA@mail.gmail.com>
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On Sun, Aug 28, 2016 at 10:20:08AM -0700, Adrian Chadd wrote:
> Then the rest of the big entries are just a combination of rtentry
> locking, tcp timer locking, zfs locking and madvise locking. There's
> some sowakeup locking there as well, from the socket producer/consumer
> locking.
On some high network speed I am see like kevent's congestion:
22.79% [89522] __mtx_lock_sleep @ /boot/kernel.VSTREAM/kernel
82.99% [74295] knote
99.97% [74269] sowakeup
99.07% [73581] tcp_do_segment
100.0% [73581] tcp_input
100.0% [73581] ip_input
100.0% [73581] netisr_dispatch_src
100.0% [73581] ether_demux
100.0% [73581] ether_nh_input
100.0% [73581] netisr_dispatch_src
68.88% [50683] t4_eth_rx @ /boot/kernel.VSTREAM/if_cxgbe.ko
100.0% [50683] service_iq
100.0% [50683] t4_intr
100.0% [50683] intr_event_execute_handlers @ /boot/kernel.VSTREAM/kernel
100.0% [50683] ithread_loop
100.0% [50683] fork_exit
31.12% [22898] tcp_lro_flush
97.30% [22280] service_iq @ /boot/kernel.VSTREAM/if_cxgbe.ko
100.0% [22280] t4_intr
100.0% [22280] intr_event_execute_handlers @ /boot/kernel.VSTREAM/kernel
100.0% [22280] ithread_loop
100.0% [22280] fork_exit
01.55% [354] tcp_lro_flush_inactive
100.0% [354] service_iq @ /boot/kernel.VSTREAM/if_cxgbe.ko
100.0% [354] t4_intr
100.0% [354] intr_event_execute_handlers @ /boot/kernel.VSTREAM/kernel
100.0% [354] ithread_loop
01.15% [264] tcp_lro_rx
100.0% [264] t4_eth_rx @ /boot/kernel.VSTREAM/if_cxgbe.ko
100.0% [264] service_iq
100.0% [264] t4_intr
100.0% [264] intr_event_execute_handlers @ /boot/kernel.VSTREAM/kernel
Can I do some recomendation?
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