Thomas William wrote: > Hi, > > > I'm using the function rdtscll(); located in asm/msr.h in my code. Today > I tried to deploy the software to our grid-box running SL (Version 3) > which is missing this particular file although timex.h refers to > rdtscll() in the get_cycles-call and therefor always returns 0 > (CONFIG_X86_TSC is not set). > Is there a reason for not including msr.h? Is it included in V4 of SL? In my box of SL 4.4 i386: [root@localhost download]# find / -name "msr.h" find: /proc/13188/task: No such file or directory /usr/src/kernels/2.6.9-42.0.2.EL-i686/include/asm-i386/msr.h /usr/src/kernels/2.6.9-42.0.8.EL-i686/include/asm-i386/msr.h /usr/src/kernels/2.6.9-42.0.3.EL-i686/include/asm-i386/msr.h [root@localhost download]#