Check whether it happened to do that for a given call or a portable way to predict whether it will? dump_vdso [1] will write the vdso to stdout, you can use bi

Check whether it happened to do that for a given call or a portable way to predict whether it will? dump_vdso [1] will write the vdso to stdout, you can use binutils like objdump or nm to list the symbols present. [1] https://kernel.googlesource.com/pub/scm/linux/kernel/git/luto/misc-tests/+/5655bd41ffedc002af69e3a8d1b0a168c22f2549/dump-vdso.c https://kernel.googlesource.com/pub/scm/linux/kernel/git/lut...