documentation:technical_docs:performance
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| documentation:technical_docs:performance [2019/12/27 00:18] – [Disabling Hyper Threading (HT)] olivier | documentation:technical_docs:performance [2024/08/21 18:29] (current) – olivier | ||
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| Beware of configurations setup that prevent multi-queue, | Beware of configurations setup that prevent multi-queue, | ||
| </ | </ | ||
| - | ==== Choosing | + | ==== Choosing |
| === CPU === | === CPU === | ||
| Line 108: | Line 108: | ||
| BSDRP is currently following FreeBSD 12-stable branch, to try to have a mix between recent features and stability. | BSDRP is currently following FreeBSD 12-stable branch, to try to have a mix between recent features and stability. | ||
| - | ==== Disabling Hyper Threading (HT) ==== | + | ==== Disabling Hyper Threading (on specific CPU only) ==== |
| By default a multi-queue NIC drivers create one queue per core. | By default a multi-queue NIC drivers create one queue per core. | ||
| - | But on older CPU (like Xeon E5-2650 V1) those logical cores didn't help at all for managing interrupts generated by high speed NIC (this is not true on 13-head since [[https:// | + | But on some older CPU (like Xeon E5-2650 V1) those logical cores didn't help at all for managing interrupts generated by high speed NIC. |
| HT can be disabled with this command: | HT can be disabled with this command: | ||
| Line 255: | Line 255: | ||
| {{documentation: | {{documentation: | ||
| - | ==== Polling mode ==== | ||
| - | Polling can be used in 2 cases: | ||
| - | * On **old hardware only** (where Ethernet card doesn' | ||
| - | * When used [[http:// | ||
| - | For enabling polling mode: | ||
| - | - Edit / | ||
| - | - Execute: service polling start | ||
| - | |||
| - | === NIC drivers compatibility matrix === | ||
| - | |||
| - | BSDRP can use some special features on somes NIC: | ||
| - | * [[http:// | ||
| - | * [[http:// | ||
| - | |||
| - | And only theses devices support these modes: | ||
| - | |||
| - | ^ name ^ Description | ||
| - | | ae | Attansic/ | ||
| - | | age | Attansic/ | ||
| - | | alc | Atheros AR813x/ | ||
| - | | ale | Atheros AR8121/ | ||
| - | | bce | Broadcom NetXtreme II (BCM5706/ | ||
| - | | bfe | Broadcom BCM4401 Ethernet Device Driver | no | yes | | ||
| - | | bge | Broadcom BCM570x/ | ||
| - | | cas | Sun Cassini/ | ||
| - | | cxgbe | Chelsio T4 and T5 based 40Gb, 10Gb, and 1Gb Ethernet adapter driver | no | yes | | ||
| - | | dc | DEC/Intel 21143 and clone 10/100 Ethernet driver | yes | yes | | ||
| - | | de | DEC DC21x4x Ethernet device driver | no | yes | | ||
| - | | ed | NE-2000 and WD-80x3 Ethernet driver | no | yes | | ||
| - | | em | Intel(R) PRO/1000 Gigabit Ethernet adapter driver | yes | yes | | ||
| - | | et | Agere ET1310 10/ | ||
| - | | ep | Ethernet driver for 3Com Etherlink III (3c5x9) interfaces | no | yes | | ||
| - | | fxp | Intel EtherExpress PRO/100 Ethernet device driver | yes | yes | | ||
| - | | gem | ERI/ | ||
| - | | hme | Sun Microelectronics STP2002-STQ Ethernet interfaces device driver | no | yes | | ||
| - | | igb | Intel(R) PRO/1000 PCI Express Gigabit Ethernet adapter driver | yes | needs IGB_LEGACY_TX | | ||
| - | | ixgb(e) | Intel(R) 10Gb Ethernet driver | yes | needs IGB_LEGACY_TX | | ||
| - | | jme | JMicron Gigabit/ | ||
| - | | le | AMD Am7900 LANCE and Am79C9xx ILACC/PCnet Ethernet interface driver | no | yes | | ||
| - | | msk | Marvell/ | ||
| - | | mxge | Myricom Myri10GE 10 Gigabit Ethernet adapter driver | no | yes | | ||
| - | | my | Myson Technology Ethernet PCI driver | no | yes | | ||
| - | | nfe | NVIDIA nForce MCP Ethernet driver | yes | yes | | ||
| - | | nge | National Semiconductor PCI Gigabit Ethernet adapter driver | yes | no | | ||
| - | | nve | NVIDIA nForce MCP Networking Adapter device driver | no | yes | | ||
| - | | qlxgb | QLogic 10 Gigabit Ethernet & CNA Adapter Driver | no | yes | | ||
| - | | re | RealTek 8139C+/ | ||
| - | | rl | RealTek 8129/8139 Fast Ethernet device driver | yes | yes | | ||
| - | | sf | Adaptec AIC‐6915 " | ||
| - | | sge | Silicon Integrated Systems SiS190/191 Fast/ | ||
| - | | sis | SiS 900, SiS 7016 and NS DP83815/ | ||
| - | | sk | SysKonnect SK-984x and SK-982x PCI Gigabit Ethernet adapter driver | yes | yes | | ||
| - | | ste | Sundance Technologies ST201 Fast Ethernet device driver | no | yes | | ||
| - | | stge | Sundance/ | ||
| - | | ti | Alteon Networks Tigon I and Tigon II Gigabit Ethernet driver | no | yes | | ||
| - | | txp | 3Com 3XP Typhoon/ | ||
| - | | vge | VIA Networking Technologies VT6122 PCI Gigabit Ethernet adapter driver | yes | yes | | ||
| - | | vr | VIA Technologies Rhine I/II/III Ethernet device driver | yes | yes | | ||
| - | | xl | 3Com Etherlink XL and Fast Etherlink XL Ethernet device driver | yes | yes | | ||
| - | |||
| - | Using others NIC will works too :-) | ||
| ==== NIC drivers tuning ==== | ==== NIC drivers tuning ==== | ||
| Line 714: | Line 653: | ||
| Now you can display the most time consumed process with: | Now you can display the most time consumed process with: | ||
| + | * AMD: ls_not_halted_cyc | ||
| + | * Intel: cpu_clk_unhalted.thread_p | ||
| + | * ARM: | ||
| < | < | ||
| - | pmcstat -TS inst_retired.any_p -w1 | + | pmcstat -TS cpu_clk_unhalted.thread_p |
| </ | </ | ||
documentation/technical_docs/performance.1577402333.txt.gz · Last modified: 2019/12/27 00:18 by olivier