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本帖最后由 popu 于 2016-5-16 13:22 编辑
独服,双L5420 CPU,为什么二级缓存只有6144KB?这个U应该是12M的二级缓存啊!
大家帮忙看看!!!哪里设置不对吗?怎么调整?
[ol][root@XXXX]# lscpuArchitecture: x86_64CPU op-mode(s): 32-bit, 64-bitByte Order: Little EndianCPU(s): 8On-line CPU(s) list: 0-7Thread(s) per core: 1Core(s) per socket: 4Socket(s): 2NUMA node(s): 1Vendor ID: GenuineIntelCPU family: 6Model: 23Stepping: 10CPU MHz: 2500.081BogoMIPS: 5000.00Virtualization: VT-xL1d cache: 32KL1i cache: 32KL2 cache: 6144KNUMA node0 CPU(s): 0-7[/ol]复制代码
[ol][root@XXXX]# cat /proc/cpuinfoprocessor : 0vendor_id : GenuineIntelcpu family : 6model : 23model name : Intel(R) Xeon(R) CPU L5420 @ 2.50GHzstepping : 10cpu MHz : 2500.081cache size : 6144 KBphysical id : 0siblings : 4core id : 0cpu cores : 4apicid : 0initial apicid : 0fpu : yesfpu_exception : yescpuid level : 13wp : yesflags : 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 syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 xsave lahf_lm dts tpr_shadow vnmi flexprioritybogomips : 5000.16clflush size : 64cache_alignment : 64address sizes : 38 bits physical, 48 bits virtualpower management:[/ol]复制代码
[ol][root@XXXX]# cat /sys/devices/system/cpu/cpu0/cache/index2/size6144K[/ol]复制代码
[ol][root@XXXX]# dmidecode -t cache# dmidecode 2.11SMBIOS 2.5 present.Handle 0x0006, DMI type 7, 19 bytesCache Information Socket Designation: L1 Cache Configuration: Enabled, Socketed, Level 1 Operational Mode: Write Back Location: Internal Installed Size: 16 kB Maximum Size: 16 kB Supported SRAM Types: Burst Pipeline Burst Asynchronous Installed SRAM Type: Asynchronous Speed: Unknown Error Correction Type: Unknown System Type: Unknown Associativity: UnknownHandle 0x0007, DMI type 7, 19 bytesCache Information Socket Designation: L2 Cache Configuration: Enabled, Socketed, Level 2 Operational Mode: Write Back Location: Internal Installed Size: 12288 kB Maximum Size: 8192 kB Supported SRAM Types: Burst Pipeline Burst Asynchronous Installed SRAM Type: Burst Speed: Unknown Error Correction Type: Unknown System Type: Unknown Associativity: UnknownHandle 0x0008, DMI type 7, 19 bytesCache Information Socket Designation: L1 Cache Configuration: Enabled, Socketed, Level 1 Operational Mode: Write Back Location: Internal Installed Size: 16 kB Maximum Size: 16 kB Supported SRAM Types: Burst Pipeline Burst Asynchronous Installed SRAM Type: Asynchronous Speed: Unknown Error Correction Type: Unknown System Type: Unknown Associativity: UnknownHandle 0x0009, DMI type 7, 19 bytesCache Information Socket Designation: L2 Cache Configuration: Enabled, Socketed, Level 2 Operational Mode: Write Back Location: Internal Installed Size: 12288 kB Maximum Size: 8192 kB Supported SRAM Types: Burst Pipeline Burst Asynchronous Installed SRAM Type: Burst Speed: Unknown Error Correction Type: Unknown System Type: Unknown Associativity: Unknown[/ol]复制代码 |
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