uprobes and empty functions

Andi Kleen ak@linux.intel.com
Thu Nov 11 14:11:00 GMT 2010


On 11/11/2010 1:49 PM, Srikar Dronamraju wrote:
> * Andi Kleen<ak@linux.intel.com>  [2010-11-10 17:05:31]:
>
>>> Andi had suggested running crashme http://lkml.org/lkml/2010/9/3/151
>>> I plan to run crashme on the inode based uprobes code soon. Do you
>>> thinking  running crashme would help in identifying such potential
>>> issues?
>> To get good coverage you probably both need crashme and testing on real
>> programs with just bits flipped.
> Sorry if I am naive, but can you give more details on what is bit
> flipping and how to do it?

Bits flipping is selecting a few random bits with a random generator
and flip them with a xor (^= (1 << bit))

-Andi



More information about the Systemtap mailing list