apic cpim

[Oracle @ svr15 ~] $ Cat/etc/issueRed Hat Enterprise Linux AS release 4 (Nahant)Kernel/r on an/m [Oracle @ svr15 ~] $ Cat/proc/versionLinux version 2.6.9-5. ELsmp (bhcompile@decompose.build.redhat.com) (gcc version 3.4.3 20041212 (Red Hat 3.4.3-9. EL4) #1 SMP Wed Jan 5 19:30:39 EST 2005 [Oracle @ svr15 ~] $ Uname-r2.6.9-5. ELsmp 2. View cpu, mem[Oracle @ svr15 ~] $ Grep "model name"/proc/cpuinfoModel name: Intel (R) Xeon (R) CPU 5130 @ 2.00 GHzModel name: Intel (R) Xeon (R) CPU 5130 @ 2.00 GHzMo

:1Fdiv_bug:noHlt_bug:noF00f_bug:noComa_bug:noFpu:yesFpu_exception:yesCPUID Level:5Wp:yesFLAGS:FPU VME de PSE TSC MSR PAE MCE cx8 APIC MTRR PGE MCA cmov Pat PSE36 clflush DTS ACPI MMX FXSR SSE SSE2 SS HT TM PB E lm constant_tsc PNI monitor ds_cpl CID XTPRbogomips:6006.73Processor:1Vendor_id:genuineintelCPU Family:15Model:4Model Name:intel (R) Xeon (TM) CPU 3.00GHzStepping:3CPU mhz:3000.881Cache size:2048 KBPhysical id:0Siblings:2Core id:0CPU Cores:1Fdi

Timing measurement: It is done by several hardware circuits based on fixed frequency oscillator and counter.Overview of the time system:Time-related tasks in the kernel:Hardware devices:Realtime Clock (RTC): 1, real Time clock, independent of the CPU and all chips, each PC has.2, it has a special battery, not affected by the power outage of the PC.3, can be in IRQ8 on-site periodic interruption, frequency of 2-8192hz 4. ProgrammableTimestamp counter (TSC): 1, time Stamp Counter rec

In fact, as long as #include Long num = sysconf (_SC_NPROCESSORS_ONLN); You can get the current number of CPUs ... Judge the basis:1. CPUs with the same core ID are the same core hyper-threading.2. CPUs with the same physical ID are the same CPU-encapsulated threads or cores. English version:1.Physical ID and core ID are not necessarily consecutive but they unique. Any CPUs with the same core ID are hyperthreads in the same core.2.Any CPU with the same physical ID are threads or cores in the

-point unit on-chip)VME (Virtual mode extension)DE (Debugging extension)PSE (Page size extension)TSC (time stamp counter)MSR (Model specific registers)PAE (Physical Address Extension)MCE (Machine Check exception)CX8 (CMPXCHG8 instruction supported)APIC (on-chip APIC Hardware supported)SEP (Fast system call)MTRR (Memory type range registers)PGE (Page Global Enable)MCA (Machine Check Architecture)Cmov (Condit

*************************************************************************** [Root@emed4test root]# du/-bh|more shows the hard disk usage of files in each process 8.0k/lost+found/#508086/_appsdir_shx3_war/shx3.war/meta-inf 8.0k/lost+found/#508086/_appsdir_shx3_war/shx3.war/web-inf/classes/net/emedchina/address/db/map 48k/lost+found/#508086/_appsdir_shx3_war/shx3.war/web-inf/classes/net/emedchina/address/db *************************************************************************** [Root@emed4tes

introduction. 4. Kernel (1) increased hardware-supported APIC Virtualization APIC-related operations are all privileged operations. When the vcpu receives the APIC interrupt, It switches from Guest Mode to Kernel Mode, which greatly reduces the system performance, this switchover is avoided by adding APIC virtualizati

writethrough. the Default policy is writeback, which is written to the cache device first and recorded as dirty in the metadata device, now the write operation is complete. The dirty block in the cache device is flushed to the origin device every time. 3. File System The redhat 7.0 installed on the GUI uses XFS as the default file system. For details about XFS, see XFS introduction. 4. Kernel (1) increased hardware-supported APIC Virtualization

KBPhysical id: 0Siblings: 2Core id: 0Cpu cores: 1Fdiv_bug: noHlt_bug: noF00f_bug: noComa_bug: noFpu: yesFpu_exception: yesCpuid level: 5Wp: yesFlags: fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat limit 36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm constant_tsc pni monitor ds_cpl cid xtprBogomips: 6006.73 Processor: 1Vendor_id: GenuineIntelCpu family: 15Model: 4Model name: Intel (R) Xeon (TM) CPU 3.00 GHzStepping: 3Cpu MHz: 300

Article Title: How does one determine whether the CPU is dual-core or single-core in Linux. Linux is a technology channel of the IT lab in China. Including desktop applications, Linux system management, kernel research, embedded systems, open-source, and other basic categories. In Linux, you can view detailed information about each cpu in/proc/cpuinfo. However, for dual-core CPUs, two CPUs are displayed in cpuinfo, which is often mistaken as two single-core CPUs. In fact, Physical Processo

In linux, how does one determine whether the cpu is dual-core or single-core-general Linux technology-Linux technology and application information? The following is a detailed description. In linux, you can view the details of each cpu in/proc/cpuinfo. However, for dual-core CPUs, two CPUs are displayed in cpuinfo. It is often mistaken for two single-core CPUs. In fact, Physical Processor ID should be used to distinguish between single-core and dual-core. Physical Processor ID can be found

. Select the operation mode for the kernel module:If you select a module, Press Y to display *, press m to display m, and press n to cancel the selection. You can also press the Space key to switch from * to none. uppercase M (uppercase m under the key) indicates compiling to a Dynamically Loaded module, and * Indicates compiling to the kernel.(Iii) Kernel support for APICIn addition, you must ensure that the kernel supports APIC (Advanced Programmabl

Sometimes you need to collect various information about the server, such as CPU information, memory information, Linux version information, and various software information installed. The following describes how to view the main indicators. 1. view the Linux release information [root @ pcmweb ~] # Cat/etc/issue Red Hat Enterprise Linux Server Release 5 (tikanga) Kernel on an m2. view Linux kernel information [root @ pcmweb ~] # Uname-R 2.6.18-8. el5xen3. View CPU information [root @ pcmxexdb ~]

/cpuinfo | grep flags | grep 'lm '| wc-l4 (If the result is greater than 0, 64bit computing is supported. lm indicates long mode, and lm indicates 64bit) 7. View cpu information Summary [Spark @ S1PA222 tomcat6] $ lscpuArchitecture: x86_64 #CPU op-mode (s): 32-bit, 64-bitByte Order: Little EndianCPU (s): 4On-line CPU (s) list: 0-3Thread (s) per core: 1Core (s) per socket: 2Socket (s): 2NUMA node (s): 1Vendor ID: GenuineIntelCPU family: 6Model: 44Stepping: 2CPU MHz: 2533.423BogoMIPS: 5066.84Hyper

from http://www.intel.com/policy/iapc/acpi/downloads.htm. It contains an AML interpreter (Linux kernel includes this interpreter, and many other operating systems, such as BSD and opensolaris), a compiler (ACPI source language (ASL) compiled into AML code) and some test tools. The latest Linux/ACPI code can use git in http://www.kernel.org/git? P = Linux/kernel/git/lenb/linux-acpi-2.6.git get. Why ACPI Learning ACPI is the standard firmware specification for Intel (i386, x86_64, IA64) platfo

64bit)7. View CPU Information Summary[Email protected] tomcat6]$lscpuARCHITECTURE:X86_64 #CPU Op-mode (s): 32-bit, 64-bitByte Order:little EndianCPU (s): 4On-line CPU (s) list:0-3Thread (s) per core:1Core (s) per Socket:2Socket (s): 2NUMA node (s): 1Vendor Id:genuineintelCPU Family:6Model:44Stepping:2CPU mhz:2533.423bogomips:5066.84Hypervisor Vendor:vmwareVirtualization Type:fullL1D cache:32kL1i cache:32kL2 cache:256kL3 cache:12288kNUMA node0 CPU (s): 0-38. View CPU Information Summary (compare

/cpuinfo: View CPU Details[Email protected] ~]$Cat/proc/Cpuinfo Processor:0VENDOR_ID:GENUINEINTELCPU Family:6Model: theModel Name:intel (R) Xeon (r) CPU E5-2690V3 @2. 60GHzstepping:0CPU MHz:2599.998Cache Size:30720KBfpu:yesfpu_exception:yescpuid Level: -wp:yesflags:fpu vme de PSE TSC MSR PAE MCE cx8 APIC Sep MTRR PGE MCA cmov Pat PSE36 Clflush DTS MMX FXSR SSE SSE2 SS Syscall NX rdtscp LM constant_tsc Arch_perfmon pebs BTS xtopology tsc_reliable nonst

or cores in the same physical socket.Instance:Lunarpages CPU Information:processor:0Vendor_id:genuineintelCPU Family:15Model:4Model Name:intel (R) Xeon (TM) CPU 3.00GHzStepping:3CPU mhz:3000.881Cache size:2048 KBPhysical id:0Siblings:2Core id:0CPU Cores:1Fdiv_bug:noHlt_bug:noF00f_bug:noComa_bug:noFpu:yesFpu_exception:yesCPUID Level:5Wp:yesFLAGS:FPU VME de PSE TSC MSR PAE MCE cx8 APIC MTRR PGE MCA cmov Pat PSE36 clflush DTS ACPI MMX FXSR SSE s SE2 SS

) partition (1) windows= "1 USB WINDOWS XP"/fastdetect/noexecute=optin multi (0) disk (0) rdisk (0) partition (1) windows= "2 usboot activated WINDOWS (observe bootmessages)"/sos/fastdetect/ Noexecute=optin multi (0) disk (0) rdisk (0) partition (1) windows= "3 usboot activated WINDOWS ACPI APIC MP HAL"/sos/hal=halmacpi.dll/kernel= Ntkrnlmp.exe/fastdetect/noexecute=optin multi (0) disk (0) rdisk (0) partition (1) windows= "4 usboot activated WINDOW

, Google talk, PopoStudy different communication protocols and integrate the commonly used IM in the Internet so that users do not have to install too many chat software in the operating system.2, PC, Pad, Phone, WebUsers can chat via PC, Pad, Phone, Web, and any other client.Viii. Solution 1, one application, multiple types of accounts can be logged in at the same time.Similar to live Mail, no account can only chat with friends under this account.Some foreign software (Palringo, Trillian) to ac