Only about 50% CPU cycles available?
Hello!
Material: SuperMicro A1SRM-2758F (8x2.4Ghz CPU - without hyper-threading), 32 GB of RAM
Hypervisor: ESXi - 5.5 build 2068190
I tried to create the max CPU load on the system ("' cat/dev/urandom >/dev/null"-started 10 times in parallel both in the virtual machine and on the ESXi host yourself ").
According to the specifications of the material, I should have 8x2.4Ghz = 19.2 Ghz available.
I have:
Configuration-> hardware-> power management-> policy Active: High Performance
Configuration-> software-> system resources-> resources-> CPU reservation system: 240 Mhz (19.20 0 Ghz, 24 Ghz = 18,96 Ghz for VMS)
So! How is it that only 16.2 Ghz is available for virtual machines (in "Allocation of resources-> CPU-> total capacity)
And on the 'summary' page use CPU tops out at 11.2 Ghz?
Why only can I load my CPU at half of capacity?
Best regards
-Morten Hermansen, Fanitas Green
Hello people!
By pressing 'p' in esxtop made me understand that I had a bad configuration of the BIOS. Now 8 timescat /dev/zero > /dev/null &' on the ESXi host will result in 19199Mhz used which is 1Mhz from max!
Phey!
Sorry for 'craying wolf'!
PS: at least I got my knowledge of the States C or P UC refreshed! :-)
Best regards,
- Morten Green Hermansen, Fanitas
Tags: VMware
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Edited by: JOhnLiu on September 11, 2012 19:31vendor_id : GenuineIntel cpu family : 6 model : 47 model name : Intel(R) Xeon(R) CPU E7- 4860 @ 2.27GHz stepping : 2 cpu MHz : 2261.057 cache size : 24576 KB physical id : 3 siblings : 20 core id : 18 cpu cores : 10 apicid : 229 fpu : yes fpu_exception : yes cpuid level : 11 wp : yes 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 syscall nx pdpe1gb rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx smx est tm2 cx16 xtpr popcnt lahf_lm bogomips : 4522.11 clflush size : 64 cache_alignment : 64 address sizes : 44 bits physical, 48 bits virtual [root@localhost ~]# free -m total used free shared buffers cached Mem: 56238 55892 346 0 196 23645 -/+ buffers/cache: 32050 24188 Swap: 16002 22 15979 [root@localhost ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda2 19G 4.9G 14G 27% / /dev/sda5 230G 27G 192G 12% /home /dev/sda1 99M 12M 83M 13% /boot /dev/sdb1 2.9T 2.3T 464G 84% /array
JOhnLiu wrote:
Thanks for the reply sb92075[root@localhost ~]# mpstat -P ALL 2 Linux 2.6.18-164.el5 (localhost.localdomain) 09/12/12 09:29:09 CPU %user %nice %sys %iowait %irq %soft %steal %idle intr/s 09:29:11 all 0.01 0.00 1.27 0.01 0.00 0.01 0.00 98.69 1658.29 09:29:11 0 0.50 0.00 0.00 0.00 0.00 0.50 0.00 98.99 1657.29 .... 09:29:11 73 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 0.00 09:29:11 74 0.00 0.00 100.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:11 75 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 0.00 09:29:11 76 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.00 0.00
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