Mumbai terrorist attacks

More evidence that the world has gone crazy, in the form of a major, seven-site coordinated terrorist attack on Mumbai, India. Here is the five-star Taj Mahal Hotel on fire, from CNN.com:

Mumbai Taj Mahal Hotel fire terrorist attack

Linux boot sequence, visualized

Super geeky, but a beautiful image — click on it for a larger version:

Linux boot sequence

Image created by Perry Hung, who explains:

This is a visualization I made for funsies of a linux boot sequence where each function is a node and each edge represents a function call, direct branch, or indirect branch. Nodes are laid out using an unweighted force-directed layout algorithm, where each node is simulated as if it were electrically repulsive and had springs between nodes.

The little “lobe” on the left is made up the interrupt processing routines (irq vectors, irq_svc, etc). The tail at the top is the bootloader. The main thing in the middle is the linux boot sequence.

The entire graph represents a call chain from the bootloader up until it jumps into userspace to a shell prompt

edit: this picture was intended to be “art” and not something with a whole lot of utility. yes, you can zoom in and see individual nodes and control flow. yes, there are better layouts for this information. I have collected much of this information to find commonly executed parts of the kernel to optimize aggressively.

My irq vectors are in a tizzy!