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Joey Hess 2020-10-13 18:41:47 -04:00
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I've spent two days trying to track down a recently introduced memory leak, I've spent two days trying to track down a recently introduced memory leak,
or leaks. This was unusually hard because all the profiler could tell or leaks. This was unusually hard because all the profiler could tell
me is the memory is "PINNED", but not what allocated it or anything else me is the memory is "PINNED", but not what allocated it or anything else
about it. about it.
I probably should have bisected it, rather than staring at the code and I probably should have bisected it, rather than staring at the code and
randomly reimplementing things I thought could be pinning memory. Oops. randomly reimplementing things I thought could be pinning memory. Oops.
Anyway, I've solved one of them, and the other one, if it's a memory leak And there is more memory that the profiler doesn't even show
at all, is memory that the profiler does not even show is in use, but that being allocated, which got much bigger with a new toolchain, and I have not
does appear to be allocated, at least as far as mmap goes. gotten to the bottom of that yet.
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