memleak:support the malloc and free uprobe of third-party allocation libraries #5391
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xpbob
requested review from
brendangregg,
chenhengqi,
ekyooo and
yonghong-song
as code owners
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The failed task was not caused by the current modification |
ekyooo
reviewed
Aug 27, 2025
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The -S option in libbpf-tools/memleak.c seems to provide the same functionality.
The option differs slightly from this patch.
How about using the same option in both the Python and libbpf-tools versions of memleak? Would there be any issues with this approach?
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We found that third-party allocation libraries have custom probe analysis allocation instead of the default malloc, such as jemalloc 5.3.0. Inline malloc fastpath into operator new（jemalloc/jemalloc@edbfe69#diff-e84aa11907127083071fc3046183dd381618df08a67a609128f5d750874ab251%EF%BC%89. The observed uprobe has changed. Add a way to customize the uprobe entry to support third-party allocation libraries