Three days working until late at night to make this happen and we did it: QEMU has been accepted for Google Summer of Code 2010.
Take a look at our ideas page:
http://wiki.qemu.org/Google_Summer_of_Code_2010
We have all kinds of projects there: a library, application protocol, hardware emulation, kernel, and a lot more.
Please, note that QEMU is not only an [...]
Exercise: Write a function that returns the length of a list (without using the scheme length function).
My try:
(define mylengh
(lambda (ilist)
(letrec ((mylengh-rec
(lambda (rlist nr)
[...]
As I am going to play with the VMA code and its main data structure (a red-black tree), I have started to collect some data by using systemtap, and got a bit impressed by the number of times find_vma() is called by some processes, as shows the table below.
PID
exec name
nr calls (5 seconds)
doing…
21984
cc1
1570
Compiling Linux kernel
11533
X
13252
Switching [...]
While reading the 2.6.27-rc9 announcement email today (looking for fixed bugs, of course) I found this:
PS. I already bugged people on the git lists with this, but since I’m
totally shameless and can’t help but hope that some random kernel person
also does tcl/tk or just wants to help improve my kids-time-tracker, I can
just point to
http://torvalds-family.blogspot.com/2008/10/tracking-time-kids-spend-online.html
and hope [...]
Introduction
This post will briefly explain what copy-on-write fork() is, then we will discuss JOS’s very particular copy-on-write fork() implementation which is mostly done in user-space.
Hopefully this post will give you a good understanding of the system calls presented in the first part of this series.
To be honest, I am not sure whether copy-on-write fork() is [...]