Blog Archives

The translation lookaside buffer

In an earlier post, I briefly discussed the oprofile system profiler. I was going somewhere with that; here’s another step along the path. Modern CPUs that use virtual memory have to be able to turn virtual addresses into physical addresses
Posted in hardware, linux

Make Linux performance analysis easier with oprofile

If you’ve had to do much performance tuning on a Linux system, you may have come across the oprofile system profiler. It may sound like a great piece of software, but it’s got a name for being difficult to use.
Posted in linux

Make Linux happy with a modern laptop’s CD/DVD drive

If you’re using a fairly modern laptop with an Intel chipset, the chances are that it has an Intel ICH7 I/O controller hub: $ lspci | grep -i ide 00:1f.2 IDE interface: Intel Corporation 82801GBM/GHM (ICH7 Family) Serial ATA Storage
Posted in hardware, linux