Messages in this thread | | | Date | Mon, 14 Apr 2014 16:14:29 +0200 (CEST) | From | Jiri Kosina <> | Subject | Re: new module to check constant memory for corruption |
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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
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