我在Mac上在终端中,您将如何计算出以下每个值？
>字大小(64位与32位)
> L1 / L2缓存大小
>确定使用了多少内存(如df,但是用于RAM)
谢谢！我知道你可以在Activity Monitor,System Profiler等中找到这些内容,但是我正在提高我对终端和UNIX的了解.
System Profiler是围绕/usr/sbin / system_profiler的GUI包装器.
- mress:10008 Z$system_profiler -listDataTypes
- Available Datatypes:
- SPHardwareDataType
- SPNetworkDataType
- SPSoftwareDataType
- SPParallelATADataType
- SPAudioDataType
- SPBluetoothDataType
- SPCardReaderDataType
- SPDiagnosticsDataType
- SPDiscBurningDataType
- SPEthernetDataType
- SPFibreChannelDataType
- SPFireWireDataType
- SPDisplaysDataType
- SPHardwareRAIDDataType
- SPMemoryDataType
- SPPCIDataType
- SPParallelSCSIDataType
- SPPowerDataType
- SPPrintersDataType
- SPSASDataType
- SPSerialATADataType
- SPUSBDataType
- SPAirPortDataType
- SPFirewallDataType
- SPNetworkLocationDataType
- SPModemDataType
- SPNetworkVolumeDataType
- SPWWANDataType
- SPApplicationsDataType
- SPDeveloperToolsDataType
- SPExtensionsDataType
- SPFontsDataType
- SPFrameworksDataType
- SPLogsDataType
- SPManagedClientDataType
- SPPrefPaneDataType
- SPStartupItemDataType
- SPSyncServicesDataType
- SPUniversalAccessDataType
- mress:10009 Z$system_profiler SPHardwareDataType
- Hardware:
- Hardware Overview:
- Model Name: iMac
- Model Identifier: iMac10,1
- Processor Name: Intel Core 2 Duo
- Processor Speed: 3.33 GHz
- Number Of Processors: 1
- Total Number Of Cores: 2
- L2 Cache: 6 MB
- Memory: 16 GB
- Bus Speed: 1.33 GHz
- Boot ROM Version: IM101.00CC.B00
- SMC Version (system): 1.52f9
- Serial Number (system): QP0241DXB9S
- Hardware UUID: 01C6B9E9-B0CB-5249-8AC7-069A3E44A188
您还可以从/usr/sbin / sysctl获取一些有用的信息(尝试sysctl -a).
- mress:10014 Z$sudo sysctl -a | grep cache
- Password:
- hw.cachelinesize = 64
- hw.l1icachesize = 32768
- hw.l1dcachesize = 32768
- hw.l2cachesize = 6291456
- kern.flush_cache_on_write: 0
- vfs.generic.nfs.client.access_cache_timeout: 60
- vfs.generic.nfs.server.reqcache_size: 64
- net.inet.ip.rtmaxcache: 128
- net.inet6.ip6.rtmaxcache: 128
- hw.cacheconfig: 2 1 2 0 0 0 0 0 0 0
- hw.cachesize: 17179869184 32768 6291456 0 0 0 0 0 0 0
- hw.cachelinesize: 64
- hw.l1icachesize: 32768
- hw.l1dcachesize: 32768
- hw.l2cachesize: 6291456
- machdep.cpu.cache.linesize: 64
- machdep.cpu.cache.L2_associativity: 8
- machdep.cpu.cache.size: 6144
