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From: David Abrahams (dave_at_[hidden])
Date: 2007-11-10 14:17:10

on Sat Nov 10 2007, Vladimir Prus <> wrote:

> David Abrahams wrote:
>> Did we ever put code in bjam that will allow us to get timing
>> information for individual build steps?
> I think you tried to do that, but I'm not sure it was ever finished.
>> I realize we are getting
>> timestamps, but that doesn't quite amount to the same thing,
>> especially because we get a stamp for the beginning of a test run but
>> not the end, but also because we really want to know the user and/or
>> system time rather than real time, which can be grossly distorted by
>> other activity on the machine.
> The user and/or system time can be likewise distorted by other activity -- in
> particular the number of cache faults is dependent on what other application
> are busy thrashing the cache.

Yes, I know. That's why I wrote "grossly" distorted.
I'd like to at least be in the ballpark.

Dave Abrahams
Boost Consulting

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