On Wed, Nov 11, 2015 at 09:41:25AM -0600, Gratian Crisan wrote: > I also wrote a small C utility[1], with a bit of code borrowed from the > kernel, for reading the TSC on all CPUs. It starts a high priority > thread per CPU, tries to synchronize them and prints out the TSC values > and their offset with regards to CPU0. > It can be called from a SysV init shell script[2] at the beginning of > the boot process and right before a reboot to save the values in a file.
Could you also read and print TSC_ADJUST (msr 0x3b) ? This would tell us if for example your BIOS messed it up. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/