Check Hyper-threading (Virtualization) available or not
# dmidecode -t processor | grep HTT HTT (Multi-threading) HTT (Multi-threading)
Check if its enabled or not.
# lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 24 On-line CPU(s) list: 0-23 Thread(s) per core: 2 Core(s) per socket: 6 Socket(s): 2 NUMA node(s): 2 Vendor ID: GenuineIntel CPU family: 6 Model: 79 Model name: Intel(R) Xeon(R) CPU E5-2643 v4 @ 3.40GHz Stepping: 1 CPU MHz: 1200.000 BogoMIPS: 6791.45 Virtualization: VT-x L1d cache: 32K L1i cache: 32K L2 cache: 256K L3 cache: 20480K NUMA node0 CPU(s): 0-5,12-17 NUMA node1 CPU(s): 6-11,18-23
where Thread(s) per core: 2 means, HT enabled and 2 threads per core.
Check CPU/CORE info
# dmidecode -t 4 | egrep CPU Version: Intel(R) Xeon(R) CPU E7- 4830 @ 2.13GHz Version: Intel(R) Xeon(R) CPU E7- 4830 @ 2.13GHz
System Details
# dmidecode -s system-serial-number GB8114HRCS # dmidecode -t system # dmidecode 2.11 SMBIOS 2.6 present. Handle 0x0100, DMI type 1, 27 bytes System Information Manufacturer: HP Product Name: ProLiant DL580 G7 Version: Not Specified Serial Number: GB8114HRCS UUID: 38383835-3735-4247-3831-313448524353 Wake-up Type: Power Switch SKU Number: 588857-B21 Family: ProLiant Handle 0x2000, DMI type 32, 11 bytes System Boot Information Status: No errors detected
See Memory Details
dmidecode --type memory # dmidecode 2.7 SMBIOS 2.5 present. Handle 0x0050, DMI type 16, 15 bytes. Physical Memory Array Location: System Board Or Motherboard Use: System Memory Error Correction Type: Multi-bit ECC Maximum Capacity: 32 GB Error Information Handle: Not Provided Number Of Devices: 4 Handle 0x0051, DMI type 16, 15 bytes. Physical Memory Array Location: System Board Or Motherboard Use: System Memory Error Correction Type: Multi-bit ECC Maximum Capacity: 32 GB Error Information Handle: Not Provided Number Of Devices: 4 Handle 0x0052, DMI type 16, 15 bytes. Physical Memory Array Location: System Board Or Motherboard Use: Flash Memory Error Correction Type: None Maximum Capacity: 1 MB Error Information Handle: Not Provided Number Of Devices: 1 Handle 0x0053, DMI type 17, 27 bytes. Memory Device Array Handle: 0x0050 Error Information Handle: Not Provided Total Width: 72 bits Data Width: 64 bits Size: 2048 MB Form Factor: DIMM Set: 1 Locator: DIMM3b Bank Locator: Not Specified Type: DDR2 Type Detail: Synchronous #continues.....
CPU details
#dmidecode|grep CPU
ACPI is supported
ACPI (ACPI supported)
Version: Intel(R) Xeon(R) CPU E7520 @ 1.87GHz
ACPI (ACPI supported)
Version: Intel(R) Xeon(R) CPU E7520 @ 1.87GHz
ACPI (ACPI supported)
Version: Intel(R) Xeon(R) CPU E7520 @ 1.87GHz
ACPI (ACPI supported)
Version: Intel(R) Xeon(R) CPU E7520 @ 1.87GHz
CPU Board PAL
Understanding BIOS keywords
dmidecode --type {KEYWORD / Number }
# Type Short Description
0 BIOS
1 System
2 Base Board
3 Chassis
4 Processor
5 Memory Controller
6 Memory Module
7 Cache
8 Port Connector
9 System Slots
10 On Board Devices
11 OEM Strings
12 System Configuration Options
13 BIOS Language
14 Group Associations
15 System Event Log
16 Physical Memory Array
17 Memory Device
18 32-bit Memory Error
19 Memory Array Mapped Address
20 Memory Device Mapped Address
21 Built-in Pointing Device
22 Portable Battery
23 System Reset
24 Hardware Security
25 System Power Controls
26 Voltage Probe
27 Cooling Device
28 Temperature Probe
29 Electrical Current Probe
30 Out-of-band Remote Access
31 Boot Integrity Services
32 System Boot
33 64-bit Memory Error
34 Management Device
35 Management Device Component
36 Management Device Threshold Data
37 Memory Channel
38 IPMI Device
39 Power Supply