The linux kernel on ia64 includes a subsystem called perfmon to provide access to the ia 64 pmu the perfmon interface consists of a single system call perfmonctl which supports a set of. This book is an authoritative and full length description of the ia 64 version of the linux kernal ia 64 is a high performance microprocessor architecture co designed by hp and intel the titanium chip is the first implementation of this new architecture intel already has outlined a roadmap of several chips to follow such as the more powerful mckinley and deerfield implementations to emphasize the longevity of this book as well as the linux kernal it describes it focuses on the ia 64 . Ia 64 linux kernel design and implementation 2001 abstract from the book preface this book grew out of the simple desire to describe exactly how linux works on an ia 64 machine by realizing that desire we hope not only to shine a light on the inner workings of linux but also to share some of the excitement and the creative processes that are involved in solving the many technical . Ia 64 linux kernel design and implementation david mosberger is a senior research scientist at hp labs in early 1998 he founded the project to bring linux to the ia 64 platform later developing the first ia 64 version of the gnu c compiler and gnu toolchain