Date: Tue, 16 Feb 2021 19:40:38 -0800 From: "Jack L." <xxjack12xx@gmail.com> To: Eugene Grosbein <eugen@grosbein.net> Cc: FreeBSD stable <freebsd-stable@freebsd.org> Subject: Re: est and turbo boost Message-ID: <CALeGphxUJ3Jsg3DFpFJXNKRJyM8VvHruej8NSGJPv%2BkhnUBvmQ@mail.gmail.com> In-Reply-To: <dad7da93-286b-ac2e-dac0-3ee8e8fc108f@grosbein.net> References: <dad7da93-286b-ac2e-dac0-3ee8e8fc108f@grosbein.net>
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I've noticed for Dells, you have to set the performance setting to "Custom" and OS Control to be able to change the EST. On Tue, Feb 16, 2021 at 7:12 PM Eugene Grosbein <eugen@grosbein.net> wrote: > > Hi! > > We use leased server Dell PowerEdge R640 with latest firmware (BIOS/UEFI) > that does not export ACPI _PSS table, so FreeBSD 12.2-RELEASE/amd64 (GENERIC) > est(4) driver does not attach: > > est0: <Enhanced SpeedStep Frequency Control> numa-domain 0 on cpu0 > est: CPU supports Enhanced Speedstep, but is not recognized. > est: cpu_vendor GenuineIntel, msr 1bc400001c00 > device_attach: est0 attach returned 6 > > Hence, no CPU frequency control and no TurboBoost for the CPU: > > CPU: Intel(R) Xeon(R) Gold 5218 CPU @ 2.30GHz (2294.68-MHz K8-class CPU) > Origin="GenuineIntel" Id=0x50657 Family=0x6 Model=0x55 Stepping=7 > Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLU > Features2=0x7ffefbff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,SDBG,FMA,CX16,xTPR,PD > AMD Features=0x2c100800<SYSCALL,NX,Page1GB,RDTSCP,LM> > AMD Features2=0x121<LAHF,ABM,Prefetch> > Structured Extended Features=0xd39ffffb<FSGSBASE,TSCADJ,BMI1,HLE,AVX2,FDPEXC,SMEP,BMI2,ERMS,INVPC > Structured Extended Features2=0x808<PKU,AVX512VNNI> > Structured Extended Features3=0xbc000400<MD_CLEAR,IBPB,STIBP,L1DFL,ARCH_CAP,SSBD> > XSAVE Features=0xf<XSAVEOPT,XSAVEC,XINUSE,XSAVES> > IA32_ARCH_CAPS=0xab<RDCL_NO,IBRS_ALL,SKIP_L1DFL_VME,TSX_CTRL> > VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID,VID,PostIntr > TSC: P-state invariant, performance statistics > ACPI APIC Table: <DELL PE_SC3 > > FreeBSD/SMP: Multiprocessor System Detected: 32 CPUs > FreeBSD/SMP: 2 package(s) x 16 core(s) > > Logical processors (hyperthreading) disabled in server's SETUP. > > I've tried to use loader prompt to set hw.est.msr_info=1 > but then is panices early at boot time with "integer divide fault". > No crashdump generated but a screenshot is available: > > http://www.grosbein.net/freebsd/est-panic.jpg > > What are options to enable est/TurboBoost in this case? > _______________________________________________ > freebsd-stable@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"
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