Chapter 13: I/O Systems
... Kernel Data Structures Kernel keeps state info for I/O components, including open file tables, ...
... Kernel Data Structures Kernel keeps state info for I/O components, including open file tables, ...
12_Pthreads
... – Overlapping CPU work with I/O – For example, a program may have sections where it is performing a long I/O operation – While one thread is waiting for an I/O system call to complete, CPU intensive work can be performed by other threads. ...
... – Overlapping CPU work with I/O – For example, a program may have sections where it is performing a long I/O operation – While one thread is waiting for an I/O system call to complete, CPU intensive work can be performed by other threads. ...
Tornado: Maximizing Locality and Concurrency in a Shared Memory
... designed to service all OS requests on the same processor they are issued on, and to handle requests to different resources without accessing any common data structures and without acquiring any common locks. As a result, Tornado does not exhibit the difficulties of the aforementioned systems (see F ...
... designed to service all OS requests on the same processor they are issued on, and to handle requests to different resources without accessing any common data structures and without acquiring any common locks. As a result, Tornado does not exhibit the difficulties of the aforementioned systems (see F ...
NAVAL POSTGRADUATE SCHOOL
... and is often called a Virtual Machine Monitor (VMM). IBM was working on developing the CP-67, which was one of the earliest versions of a virtual machine monitor, in the 1960s. A virtual machine monitor (VMM) is software that provides isolated duplicate copies of the actual machine environment for v ...
... and is often called a Virtual Machine Monitor (VMM). IBM was working on developing the CP-67, which was one of the earliest versions of a virtual machine monitor, in the 1960s. A virtual machine monitor (VMM) is software that provides isolated duplicate copies of the actual machine environment for v ...
![[slides] I/O systems](http://s1.studyres.com/store/data/008422726_1-2cb56c8336d4c09c42da15c554c4a466-300x300.png)
SLES High Level Design Version 3.16 1
... registered trademarks of International Business Machines Corporation in the United States, other countries, or both. Linux is a registered trademark of Linus Torvalds. UNIX is a registered trademark of The Open Group in the United States and other countries. Intel and Pentium are trademarks of Intel ...
... registered trademarks of International Business Machines Corporation in the United States, other countries, or both. Linux is a registered trademark of Linus Torvalds. UNIX is a registered trademark of The Open Group in the United States and other countries. Intel and Pentium are trademarks of Intel ...
Kernel I/O Subsystem
... Explore the structure of an operating system’s I/O subsystem Discuss the principles of I/O hardware and its complexity Provide details of the performance aspects of I/O hardware and software ...
... Explore the structure of an operating system’s I/O subsystem Discuss the principles of I/O hardware and its complexity Provide details of the performance aspects of I/O hardware and software ...
Process Synchronization
... Two approaches depending on if kernel is preemptive or nonpreemptive ...
... Two approaches depending on if kernel is preemptive or nonpreemptive ...
Analysis of the Intel Pentium`s Ability to Support a Secure Virtual
... different types of machines provides a normal machine environment, meaning that processor instructions can be executed on them, viz. a VMM can host an operating system. However, they differ in the way that the machine environment actually executes the processor instructions. A real machine uses only ...
... different types of machines provides a normal machine environment, meaning that processor instructions can be executed on them, viz. a VMM can host an operating system. However, they differ in the way that the machine environment actually executes the processor instructions. A real machine uses only ...
more - Availability Digest
... communicate via a messaging system – they never use shared memory or any other kind of interprocess communications. If a processor fails, all of the applications are moved to surviving processors. There are two methods for moving a process: Check-Pointed Processes – each critical process is backed ...
... communicate via a messaging system – they never use shared memory or any other kind of interprocess communications. If a processor fails, all of the applications are moved to surviving processors. There are two methods for moving a process: Check-Pointed Processes – each critical process is backed ...
00paper_vmm - Naval Postgraduate School
... different types of machines provides a normal machine environment, meaning that processor instructions can be executed on them, viz. a VMM can host an operating system. However, they differ in the way that the machine environment actually executes the processor instructions. A real machine uses only ...
... different types of machines provides a normal machine environment, meaning that processor instructions can be executed on them, viz. a VMM can host an operating system. However, they differ in the way that the machine environment actually executes the processor instructions. A real machine uses only ...
Proceedings of the 9th USENIX Security Symposium
... different types of machines provides a normal machine environment, meaning that processor instructions can be executed on them, viz. a VMM can host an operating system. However, they differ in the way that the machine environment actually executes the processor instructions. A real machine uses only ...
... different types of machines provides a normal machine environment, meaning that processor instructions can be executed on them, viz. a VMM can host an operating system. However, they differ in the way that the machine environment actually executes the processor instructions. A real machine uses only ...
High Performance Application-Oriented Operating Systems
... The combination of scenario-independent system abstractions and scenario adapters reduces the number of components in the system abstraction repository, yields applicationready abstractions and enables the automatic generation of new abstractions. However, this is not enough to bring the process of ...
... The combination of scenario-independent system abstractions and scenario adapters reduces the number of components in the system abstraction repository, yields applicationready abstractions and enables the automatic generation of new abstractions. However, this is not enough to bring the process of ...
ch13
... Kernel Data Structures Kernel keeps state info for I/O components, including open file ...
... Kernel Data Structures Kernel keeps state info for I/O components, including open file ...
Deadlocks
... preempt resources of processes waiting for additional resources, and give some to the requesting process ...
... preempt resources of processes waiting for additional resources, and give some to the requesting process ...
rtos-concepts
... semaphore, by disabling interrupts during critical sections of code. A reentrant function can be interrupted at any time and resumed at a later time without loss of data. Reentrant functions either use local variables (CPU registers or variables on the stack) or protect their data when global variab ...
... semaphore, by disabling interrupts during critical sections of code. A reentrant function can be interrupted at any time and resumed at a later time without loss of data. Reentrant functions either use local variables (CPU registers or variables on the stack) or protect their data when global variab ...
Chapter 9: Virtual Memory
... Copy-on-Write (COW) allows both parent and child processes to initially share the same pages in memory ...
... Copy-on-Write (COW) allows both parent and child processes to initially share the same pages in memory ...
A hardware operating system kernel for multi
... is an on-chip memory that holds the context of the scheduled thread or the suspended thread. The context buffer is implemented with registers because it is small. As soon as the thread scheduler completes the task scheduling, the context manager pre-fetches contexts of the scheduled thread from the c ...
... is an on-chip memory that holds the context of the scheduled thread or the suspended thread. The context buffer is implemented with registers because it is small. As soon as the thread scheduler completes the task scheduling, the context manager pre-fetches contexts of the scheduled thread from the c ...
Interprocess communication
... some other form of shared data structure Receiver performs some form of read operations on that structure Much more flexible than direct addressing ...
... some other form of shared data structure Receiver performs some form of read operations on that structure Much more flexible than direct addressing ...
ppt
... Copy-on-Write (COW) allows both parent and child processes to initially share the same pages in memory ...
... Copy-on-Write (COW) allows both parent and child processes to initially share the same pages in memory ...
Chapter 9: Virtual Memory
... Copy-on-Write (COW) allows both parent and child processes to initially share the same pages in memory ...
... Copy-on-Write (COW) allows both parent and child processes to initially share the same pages in memory ...