[Haskell-cafe] ThreadScope: Request for features for the performance tuning of parallel and concurrent Haskell programs

Karel Gardas karel.gardas at centrum.cz
Thu Mar 12 14:00:23 EDT 2009

Don Stewart wrote:
> marlowsd:
>> Ben Lippmeier wrote:
>>> On 12/03/2009, at 12:24 AM, Satnam Singh wrote:
>>>> Before making the release I thought it would be an idea to ask people 
>>>> what other features people would find useful or performance tuning. 
>>>> So if you have any suggestions please do let us know!
>>> Is it available in a branch somewhere to try out?
>> There are three parts to it:
>>  - some patches to GHC to generate the log files.  The patches are
>>    not yet in, but I hope to get them in in the next couple of weeks.
> Just as a meta-point, it makes a *lot* of sense for the runtime to
> support proper logging -- it's practically a microkernel after all, so
> logging makes as much sense for GHC's rts as it does for regular
> kernels.
> Now we just need a /proc for the rts, so I can peek at GC stats live.

Seeing this thread and discussion direction I cannot resist to
temptation to ask: is anybody going to write rts DTrace[1] provider?

[1]: http://en.wikipedia.org/wiki/DTrace

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