[LLVMdev] Nightly Test Machine Identification

Jim Laskey jlaskey at apple.com
Wed Oct 18 12:53:00 PDT 2006

Too late.  Made the change. I can revert, but past records have been  

But why wouldn't you use a different nickname between windows and linux?

Transitioning to a new OS major version, will only take the one day  
hit.  You wouldn't have a prior set to compare anyway, so no loss of  
info.  Potentially, you get whine data for hits the OS caused (ex.,  
30 tests newly fail because of header changes.)


-- Jim

On Oct 18, 2006, at 4:15 PM, Reid Spencer wrote:

> On Wed, 2006-10-18 at 12:43 -0700, Chris Lattner wrote:
>> On Wed, 18 Oct 2006, Reid Spencer wrote:
>>> I had upgraded my Linux kernel from 2.6.17 to 2.6.18. I suggested  
>>> to Jim
>>> that changes in the minor revision number of the operating system  
>>> should
>>> not count as a new machine. He said he'd look into it when he has  
>>> time.
>>> Its not a huge issue, I just didn't want to be incrementing the  
>>> machine
>>> numbers needlessly and needed to know what it was based on.
>> Ok, seems reasonable.  The nightly tester script probably  
>> shouldn't be in
>> the business of trying to grok OS version #'s.  Maybe OS version #
>> shouldn't be included at all.
> I think it needs to include it. Suppose someone used the same user ID,
> same nickname but changed the machine from Linux to Windows.  
> Furthermore
> even a change like Linux 2.6 to Linux 2.8 could impact performance
> significantly so it should be regarded as a new machine.  The  
> complexity
> of dealing with the OS version #s is why Jim tabled the work for  
> now. I
> agree, its an ugly mess that NightlyTest shouldn't be involved in.  
> But I
> don't think the correct thing to do is remove OS version from the
> comparison altogether. I'd rather have the current functionality  
> than OS
> not mattering at all.
> Reid.
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