Why CPU in VM always basic frequency

[cepczkd]

Sorry for my poor English
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I have a CPU
basic frequency 3.3G
turbo boost 4.5G

VM config set CPU = host

turbo boost is working in PVE（when VM run,PVE see the frequency between 1.2G~4.5G）

but VM CPU always fixed 3.3G

I used CPU-Z to test in VM

the score is too bad,single score only 300+

obviously not 4.5Ghz's score

(when I install windows in this server,not in PVE VM,cpuz single score is 500+)

 

[cepczkd]

PVE server

cat /proc/cpuinfo|grep "MHz"
cpu MHz        : 1541.620
cpu MHz        : 3488.142
cpu MHz        : 1453.877
cpu MHz        : 2395.390
cpu MHz        : 1549.322
cpu MHz        : 1547.950
cpu MHz        : 1384.775
cpu MHz        : 4604.255
cpu MHz        : 1720.043
cpu MHz        : 2356.343
cpu MHz        : 3065.555
cpu MHz        : 1763.579
cpu MHz        : 1249.688
cpu MHz        : 1397.107
cpu MHz        : 1255.848
cpu MHz        : 1467.396
cpu MHz        : 1251.075
cpu MHz        : 1357.315
cpu MHz        : 2237.128
cpu MHz        : 1512.204
cpu MHz        : 1321.323
cpu MHz        : 2185.488
cpu MHz        : 1441.590
cpu MHz        : 1639.059
cpu MHz        : 2482.580
cpu MHz        : 4604.920
cpu MHz        : 1617.152
cpu MHz        : 4137.897

VM centos

cat /proc/cpuinfo|grep "MHz"
cpu MHz        : 3311.998
cpu MHz        : 3311.998

 

[leesteken]

This is normal. Your CPU is boosting but inside the VM you cannot see that.