Re: Task profiling in Linux

[Peter Chubb]

>>>>> "Claudio" == Claudio Scordino <cloud.of.andor@xxxxxxxxx> writes:


Claudio> I found out that Linux provides the getrusage() syscall which
Claudio> provides the information that I need. This syscall also says
Claudio> both user and system times used by the task, which is a very
Claudio> useful thing.

Claudio> However, it has two main drawbacks:

Claudio> - its precision is very low: I'm working with real-time tasks
Claudio> on a Athlon-64 and I need a more accurate estimation

Claudio> - it can't be invoked by a generic task to know the execution
Claudio> time of another task

This is part of what my microstate accounting package provides
.... but I haven't done a port to AMD64 yet...

See http://www.gelato.unsw.edu.au/patches/

-- 
Dr Peter Chubb  http://www.gelato.unsw.edu.au  peterc AT gelato.unsw.edu.au
The technical we do immediately,  the political takes *forever*
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