Date: Fri, 12 Oct 2018 13:24:03 -0400 From: Mike Tancsa <mike@sentex.net> To: Navdeep Parhar <nparhar@gmail.com>, FreeBSD-Current <freebsd-current@freebsd.org> Subject: Re: 10G performance regression / difference cxl and ix RELENG11 vs HEAD Message-ID: <7cdaf77d-7b60-77ee-724f-acbd23809178@sentex.net> In-Reply-To: <b02d8705-3901-8a0b-0059-7e5bb6a3d1c6@gmail.com> References: <19e8a60d-e2a4-691c-c208-48c123c66bb7@sentex.net> <b02d8705-3901-8a0b-0059-7e5bb6a3d1c6@gmail.com>
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On 10/12/2018 12:52 PM, Navdeep Parhar wrote: > > The number of retries (the "Retr" column) should have been 0 in a > controlled test like this. Is this the default stack with all default > parameters or have you tuned TCP and/or sockets in any way? No tuning at all.=C2=A0 After a reboot and one test, I am seeing a bunch = of overflows. I am going to netboot back to RELENG_11 to confirm =C2=A0sysctl -a dev.cxl.1.stats dev.cxl.1.stats.rx_tls_octets: 0 dev.cxl.1.stats.rx_tls_records: 0 dev.cxl.1.stats.tx_tls_octets: 0 dev.cxl.1.stats.tx_tls_records: 0 dev.cxl.1.stats.rx_trunc3: 0 dev.cxl.1.stats.rx_trunc2: 12 dev.cxl.1.stats.rx_trunc1: 0 dev.cxl.1.stats.rx_trunc0: 0 dev.cxl.1.stats.rx_ovflow3: 0 dev.cxl.1.stats.rx_ovflow2: 58 dev.cxl.1.stats.rx_ovflow1: 0 dev.cxl.1.stats.rx_ovflow0: 0 dev.cxl.1.stats.rx_ppp7: 0 dev.cxl.1.stats.rx_ppp6: 0 dev.cxl.1.stats.rx_ppp5: 0 dev.cxl.1.stats.rx_ppp4: 0 dev.cxl.1.stats.rx_ppp3: 0 dev.cxl.1.stats.rx_ppp2: 0 dev.cxl.1.stats.rx_ppp1: 0 dev.cxl.1.stats.rx_ppp0: 0 dev.cxl.1.stats.rx_pause: 0 dev.cxl.1.stats.rx_frames_1519_max: 0 dev.cxl.1.stats.rx_frames_1024_1518: 6169625 dev.cxl.1.stats.rx_frames_512_1023: 473 dev.cxl.1.stats.rx_frames_256_511: 133 dev.cxl.1.stats.rx_frames_128_255: 150 dev.cxl.1.stats.rx_frames_65_127: 1015832 dev.cxl.1.stats.rx_frames_64: 4 dev.cxl.1.stats.rx_runt: 0 dev.cxl.1.stats.rx_symbol_err: 0 dev.cxl.1.stats.rx_len_err: 0 dev.cxl.1.stats.rx_fcs_err: 0 dev.cxl.1.stats.rx_jabber: 0 dev.cxl.1.stats.rx_too_long: 0 dev.cxl.1.stats.rx_ucast_frames: 7186215 dev.cxl.1.stats.rx_mcast_frames: 0 dev.cxl.1.stats.rx_bcast_frames: 2 dev.cxl.1.stats.rx_frames: 7186217 dev.cxl.1.stats.rx_octets: 9437149499 dev.cxl.1.stats.tx_ppp7: 0 dev.cxl.1.stats.tx_ppp6: 0 dev.cxl.1.stats.tx_ppp5: 0 dev.cxl.1.stats.tx_ppp4: 0 dev.cxl.1.stats.tx_ppp3: 0 dev.cxl.1.stats.tx_ppp2: 0 dev.cxl.1.stats.tx_ppp1: 0 dev.cxl.1.stats.tx_ppp0: 0 dev.cxl.1.stats.tx_pause: 222 dev.cxl.1.stats.tx_drop: 0 dev.cxl.1.stats.tx_frames_1519_max: 0 dev.cxl.1.stats.tx_frames_1024_1518: 5409152 dev.cxl.1.stats.tx_frames_512_1023: 11968 dev.cxl.1.stats.tx_frames_256_511: 162 dev.cxl.1.stats.tx_frames_128_255: 26 dev.cxl.1.stats.tx_frames_65_127: 3095205 dev.cxl.1.stats.tx_frames_64: 210 dev.cxl.1.stats.tx_error_frames: 0 dev.cxl.1.stats.tx_ucast_frames: 8516714 dev.cxl.1.stats.tx_mcast_frames: 0 dev.cxl.1.stats.tx_bcast_frames: 9 dev.cxl.1.stats.tx_frames: 8516945 dev.cxl.1.stats.tx_octets: 8434330861 dev.cxl.1.stats.tx_parse_error: 0 > Regards, > Navdeep > > > --=20 ------------------- Mike Tancsa, tel +1 519 651 3400 x203 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada =20
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