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View Code? Open in Web Editor NEWTools for "Another Flip in the Wall"
License: The Unlicense
Tools for "Another Flip in the Wall"
License: The Unlicense
The "relocate.c" program causes extremely high disk I/O loads while working, because it needs to read the randomized "evict" file to get rid of all page caches.
In order to finally relocate a target binary to the desired physical address, it needs to be executed 10,000+ times, which costs several days according to the Flip-in-the-wall article. During the process, although the memory consumption does remain unchanged, the heavy disk I/O load slows the whole system down and can be easily detected.
So, Is there any more efficient way to relocate a binary to a certain phys-addr? (Outside enclaves, root privileges are also OK). I want to optimize the process so that I won't wait for days for this step.
I have tried (below):
I have not tried /proc/sys/vm/drop_caches but I feel it does not help much.
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