On Sun, 13 Apr 2014, Richard Weinberger wrote: > > Hi Richard, > > > > I updated my code and check for ftrace (cat /proc/sys/kernel/ftrace_enabled > > > 0). > > http://tauruz.homeip.net/ramcheck.tgz > > > > On a 24/7 server ftrace is not a common thing anyway. > > I disagree with you. > perf, systemtap and other tools are widely used on "24/7" servers.
Plus the self-modifying code is present in other parts of kernel that have nothing to do with tracing as well. Consider static keys for example; they are used heavily in networking stack, scheduler code, etc. -- Jiri Kosina SUSE Labs -- 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/