Why my application with large number of shared libraries loads slow ?
Issue
- Why my application with large number of shared libraries loads slow ?
- Application relies on
dlopen(name, RTLD_LAZY|RTLD_GLOBAL);on a large amount of shared libraries. - Before glibc 2.12 it was average 10 times faster to load.
- Is upstream glibc RFE Improve performance of dynamic loader for deeply nested DSO dependencies being tracked in RHEL ?
- slow
stat()andopenat()syscalls in rhel8 when compared with rhel7
Environment
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux 8
glibc(GNU C library)dlopen()library function call from Dynamic Linking Librarylibdlto open shared libraries
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