<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Sep 28, 2022 at 11:45 PM Ralf Mardorf via ubuntu-users <<a href="mailto:ubuntu-users@lists.ubuntu.com">ubuntu-users@lists.ubuntu.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On Wed, 2022-09-28 at 14:42 -0400, Jerry Geis wrote:<br>
> echo performance | sudo tee<br>
> /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor -> shows<br>
> performance<br>
<br>
It shows the output of "echo", not the status. To get the status running<br>
<br>
cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor<br>
<br>
might work.<br>
<br>
> But the cpu is still <br>
> cpu MHz : 2800.000<br>
> sometimes its 1200.<br>
> <br>
> Which may be the normal max <br>
> model name : Intel(R) Core(TM) i9-7960X CPU @ 2.80GHz<br>
> <br>
> How do I get the boost 3400 ?<br>
<br>
There's an Arch Wiki in progress. It might be a starting point even for<br>
Ubuntu:<br>
<br>
<a href="https://wiki.archlinux.org/title/CPU_frequency_scaling#Scaling_drivers" rel="noreferrer" target="_blank">https://wiki.archlinux.org/title/CPU_frequency_scaling#Scaling_drivers</a><br>
<a href="https://wiki.archlinux.org/title/CPU_frequency_scaling#Configuring_frequency_boosting" rel="noreferrer" target="_blank">https://wiki.archlinux.org/title/CPU_frequency_scaling#Configuring_frequency_boosting</a><br>
<br>
<br>
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Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-users" rel="noreferrer" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-users</a></blockquote><div><br></div><div><br></div><div>Doing this "x86_energy_perf_policy --turbo-enable 0" does nothing.</div><div><br></div><div>This does not seem present:</div><div>echo 1 > /sys/devices/system/cpu/cpufreq/boost<br></div><div><br></div><div><br></div><div>ls /sys/devices/system/cpu/cpufreq/<br>policy0 policy11 policy14 policy17 policy2 policy22 policy25 policy28 policy30 policy5 policy8<br>policy1 policy12 policy15 policy18 policy20 policy23 policy26 policy29 policy31 policy6 policy9<br>policy10 policy13 policy16 policy19 policy21 policy24 policy27 policy3 policy4 policy7<br></div><div><br></div><div>This cpu does a Turbo mode but it does not seem available?</div><div>Intel(R) Core(TM) i9-7960X CPU @ 2.80GHz<br></div><div><br></div><div>flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe<br> syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq d<br>tes64 monitor ds_cpl vmx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave av<br>x f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single pti ssbd mba ibrs ibpb stibp tpr_shadow vnmi flexpri<br>ority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm mpx rdt_a avx512f avx512dq rdseed adx smap clflush<br>opt clwb intel_pt avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida <br>arat pln pts hwp hwp_act_window hwp_epp hwp_pkg_req md_clear flush_l1d arch_capabilities<br>vmx flags : vnmi preemption_timer posted_intr invvpid ept_x_only ept_ad ept_1gb flexpriority apicv tsc_offset vtpr mtf vapic ept vp<br>id unrestricted_guest vapic_reg vid ple ept_mode_based_exec tsc_scaling<br>bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit mmio_stale_data retbleed<br></div><div><br></div><div>Thoughts?</div><div><br></div><div>jerry</div><div><br></div><div> </div></div></div>