CPU Clocks and Clock Interrupts, and Their Effects on Schedulers

Instructions to sleep for a second almost never result in precisely one second’s sleep. Bob Schmidt walks us through the mechanics of why. You look at the harried SI and reply, “It depends,” and you continue on your way. The SI rushes to catch up with you, and asks, “It depends on what?” And you answer, “That, too, depends,” as you continue walking.

Link: CPU Clocks and Clock Interrupts, and Their Effects on Schedulers
via accu.org

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s