Top "Context-switch" questions

A context switch is the process of storing and restoring the state (context) of a process.

Thread context switch Vs. process context switch

Could any one tell me what is exactly done in both situations? What is the main cost each of them?

multithreading process context-switch
simplest tool to measure C program cache hit/miss and cpu time in linux?

I'm writing a small program in C, and I want to measure it's performance. I want to see how much …

performance cpu-cache measurement context-switch memcache-stats
Steps in Context Switching

I am asked to describe the steps involved in a context switch (1) between two different processes and (2) between two different …

multithreading process context-switch
What is the overhead of a context-switch?

Originally I believed the overhead to a context-switch was the TLB being flushed. However I just saw on wikipedia: http://…

linux performance operating-system virtualization context-switch
Write a C program to measure time spent in context switch in Linux OS

Can we write a c program to find out time spent in context switch in Linux? Could you please share …

c linux context-switch
Context switch internals

I want to learn and fill gaps in my knowledge with the help of this question. So, a user is …

linux-kernel kernel scheduler context-switch
System call and context switch

I am sorry to ask this question when it has already been asked but I couldn't get a clarity from …

process operating-system system-calls context-switch
How does schedule()+switch_to() functions from linux kernel actually work?

I'm trying to understand how the schedule process in linux kernel actually works. My question is not about the scheduling …

linux-kernel context-switch
Context switching - ucontext_t and makecontext()

I am studying context switching in C programming and have found the following example code on the Internet. I am …

c context-switch ucontext
What is saved in a context switch?

What is exactly saved and restored in a context switch between two threads in the same process between two processes

multithreading memory context-switch