System extensions on iOS have very low limits on allowed memory. For instance the DNS proxy extensions seem to be limited to 15MB. When I try to monitor the extension with instruments it quickly runs out of memory, most likely due to the way instruments tracks memory usage.
I did find that there are two entitlements related to memory usage but it is unclear if these would work for extensions or only for applications.
What are the best techniques for debugging extensions that run out of memory?
Is there a way to temporarily increase the limit while debugging?
Karl Kraft
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