Are there any Qt specific profilers around?

are there any profilers which work well with Qt? I'd prefer free profilers for windows but any hint is appreciated.

I tried "Very Sleepy" and it works but I cant convince it to demangle the method names. Maybe I'm just doing wrong? Any pit-falls I'm not aware of?

Thank yo开发者_如何学运维u very much!

Here's a screnshot of Very Sleepys output:

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Well, I happily use gprof from gcc. It's inside the MinGW package for Windows.