[Interest] Callgrind under Linux

Christian Kandeler Christian.Kandeler at qt.io
Fri Mar 6 18:13:26 CET 2020

On Fri, 6 Mar 2020 17:54:48 +0100
Giuseppe D'Angelo via Interest <interest at qt-project.org> wrote:

> Il 06/03/20 15:56, Konstantin Tokarev ha scritto:
> >> We did find a closed issue about it:https://bugreports.qt.io/browse/QTBUG-62118
> >> But no solution or hint about the cause of this.
> > You can configure Qt with explicitly disable RDRAND, or use same hack as used in tst_qrandomgenerator.cpp, passing SkipHWRNG flag to qt_randomdevice_control.
> Or just export QT_NO_CPU_FEATURE=rdrnd , no need to rebuild Qt (RDRAND 
> is detected at runtime).

By the way: Is there a list of such environment variables that let you configure Qt behavior at runtime?


More information about the Interest mailing list