[Haskell-cafe] What's a thread doing / Erlang-style processes
simonmar at microsoft.com
Tue Dec 6 08:43:22 EST 2005
On 06 December 2005 10:28, Joel Reymont wrote:
> I'm finding myself in dire need of monitoring the Haskell runtime.
> More precisely, I would like to know what each that I launch is doing
> at a given point in time.
> Is there a way to obtain this information now? I would be fine with
> knowing if a thread is blocking on a foreign call, MVar or something
> like that.
If you compile with -debug, and run with +RTS -Ds you get a scheduler
trace which might help.
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