Botched GC timings for multi-threaded programs?

[luismbo]

<nikodemus> luis: how do you detect the start/stop of GC? <luis> nikodemus: with a big fat HACK. <nikodemus> hah <luis> I temporarily redefine SB-KERNEL:SUB-GC. <nikodemus> that doesn't really give you accurate accounting when multiple threads are running <nikodemus> what you really want to do is to wrap SB-KERNEL::COLLECT-GARBAGE, i think. that's called only after all other threads have been stopped <luis> nikodemus: that makes sense, but I'd have to check if my timings are process-wide. I don't remember.