Date: Sun, 05 Feb 2006 16:23:49 -0500 From: Mike Tancsa <mike@sentex.net> To: "Daniel Eriksson" <daniel_k_eriksson@telia.com>, <freebsd-current@freebsd.org> Subject: RE: machdep.cpu_idle_hlt and SMP perf? Message-ID: <6.2.3.4.0.20060205162112.08f5ede8@64.7.153.2> In-Reply-To: <4F9C9299A10AE74E89EA580D14AA10A605F58C@royal64.emp.zapto.o rg> References: <4F9C9299A10AE74E89EA580D14AA10A605F58C@royal64.emp.zapto.org>
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At 06:22 PM 04/02/2006, Daniel Eriksson wrote: >I just finished running 6 sets of (make clean + buildworld + >buildkernel), toggling machdep.cpu_idle_hlt between enabled and disabled >each time (3 of each). Hmmm, doesnt do much on my AMD 4200 dual core. 3 make -j2 and 3 make -j4. Between each build, rm -R /usr/obj;sync;sleep 60 machdep.cpu_idle_hlt: 1 -> 0 2157.102u 275.809s 21:28.30 188.8% 3906+2484k 1792+8088io 443pf+0w 2159.088u 275.744s 21:26.92 189.1% 3911+2489k 1946+8139io 409pf+0w 2162.107u 274.275s 21:28.15 189.1% 3913+2486k 1633+8119io 409pf+0w 2135.788u 263.778s 21:45.51 183.8% 3905+2493k 1913+7954io 409pf+0w 2134.854u 264.891s 21:46.36 183.6% 3905+2492k 1648+8649io 409pf+0w 2133.706u 265.443s 21:47.15 183.5% 3904+2490k 1623+7776io 409pf+0w machdep.cpu_idle_hlt: 0 -> 1 2157.282u 275.211s 21:28.55 188.7% 3907+2486k 1627+7765io 409pf+0w 2160.918u 271.366s 21:29.72 188.5% 3909+2491k 1745+7811io 409pf+0w 2158.645u 278.841s 21:28.73 189.1% 3910+2490k 1649+7741io 409pf+0w 2136.818u 264.697s 21:49.69 183.3% 3905+2493k 1678+7544io 409pf+0w 2137.056u 263.634s 21:49.71 183.2% 3906+2494k 1625+7537io 409pf+0w 2137.138u 263.494s 21:41.18 184.4% 3906+2494k 1623+7524io 409pf+0w CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 4200+ (2210.20-MHz 686-class CPU) Origin = "AuthenticAMD" Id = 0x20fb1 Stepping = 1 Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT> Features2=0x1<SSE3> AMD Features=0xe2500800<SYSCALL,NX,MMX+,<b25>,LM,3DNow+,3DNow> real memory = 3756916736 (3582 MB) avail memory = 3677667328 (3507 MB) FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs cpu0 (BSP): APIC ID: 0 cpu1 (AP): APIC ID: 1
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