Re: per-thread rusage

[Bill Irwin <bill.irwin@oracle.com>]

On Mon, Apr 09, 2007 at 04:53:15PM -0700, Andrew Morton wrote:
>> Seems sane.  Could we please get it tested and get a full description in
>> place?  Something which provides enough detail for the manpage maintainers.
>> Also, a quick comparison between Linux's RUSAGE_THREAD and $other-os's
>> implementations would reduce the possibility of silly, cast-in-stone
>> incompatabilities.

On Mon, Apr 09, 2007 at 05:42:01PM -0700, William Lee Irwin III wrote:
> The latter is the more serious of the two. I'll go about investigating
> that as the primary task here. Testing and a more verbose patch
> description are clearly very little work.
> General maintenance-relevant commentary: This patch arose from an
> observation of a lacuna in the API. There are no bugs or apps broken
> awaiting this as a fix, so it's not needed by 2.6.22 or otherwise
> urgently. My use for it is report generation in VM (and possibly other)
> testcases. The ack-in-concept is good enough for me to go about
> sweeping up the OS/standards compatibility, testing, and documentation
> issues in the near future prior to resubmission.

A sort of note for me to refer back to when I get the rest of the way
here. AIX does this with getrusage(RUSAGE_THREAD,...), Solaris with
getrusage(RUSAGE_LWP,...), Tru64 and HP-UX seem to lack any obvious
way to do this at all, likewise for MacOS X and the opensource BSD's.


-- wli
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