-------- Forwarded Message -------- > From: Daniel Schnell <[EMAIL PROTECTED]> > To: xenomai-help <[email protected]> > Subject: Performance decrease > Date: Wed, 30 Aug 2006 11:58:25 -0000 > > Hi, > > > > I have made some CPU throughput tests with/without "Nucleus > options->pervasive real-time support in user-space" enabled/disabled. And > the performance dicrease in using that option is for my processor (MPC5200, > 400 MHz) about 10%. On the other side I cannot compile RTDM support in > without it; the error message when linking vmlinux at the end of the Kernel > compile stage is: > > > > drvlib.c:(.text+0x19f8): undefined reference to `__va_to_kva' > > > > > > For what is the real-time support in user space option good for ? > > If it is necessary for RTDM support, shouldn't it be automatically switched > on when choosing the RTDM option ? > > > > > > > > I am using ELDK-4.0 + latest 2.4.25-developer kernel from Denx + latest > subversion xenomai + adeos patch 1.1-04 > > > > Thanks in advance, > > > > > > Ciao, > > > > Daniel. > -- Philippe.
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