Comment 0 for bug 1557673

Systemtap doesn't work on xenial, due to changes in struct module in the kernel:

ubuntu@xenial:~$ sudo stap test.stap
In file included from /usr/share/systemtap/runtime/print.c:17:0,
                 from /usr/share/systemtap/runtime/runtime_context.h:22,
                 from /tmp/stapxvNfgC/stap_2e27f5927a5796b18cb7b3c2abd24ec4_812_src.c:50:
/usr/share/systemtap/runtime/linux/print.c: In function ‘_stp_print_kernel_info’:
/usr/share/systemtap/runtime/linux/print.c:242:20: error: ‘struct module’ has no member named ‘module_core’
         THIS_MODULE->module_core,
                    ^
/usr/share/systemtap/runtime/linux/print.c:243:37: error: ‘struct module’ has no member named ‘core_size’
         (unsigned long) (THIS_MODULE->core_size - THIS_MODULE->core_text_size)/1024,
                                     ^
/usr/share/systemtap/runtime/linux/print.c:243:62: error: ‘struct module’ has no member named ‘core_text_size’
         (unsigned long) (THIS_MODULE->core_size - THIS_MODULE->core_text_size)/1024,
                                                              ^
/usr/share/systemtap/runtime/linux/print.c:244:44: error: ‘struct module’ has no member named ‘core_text_size’
                (unsigned long) (THIS_MODULE->core_text_size)/1024,
                                            ^
scripts/Makefile.build:258: recipe for target '/tmp/stapxvNfgC/stap_2e27f5927a5796b18cb7b3c2abd24ec4_812_src.o' failed
make[1]: *** [/tmp/stapxvNfgC/stap_2e27f5927a5796b18cb7b3c2abd24ec4_812_src.o] Error 1
Makefile:1396: recipe for target '_module_/tmp/stapxvNfgC' failed
make: *** [_module_/tmp/stapxvNfgC] Error 2
WARNING: kbuild exited with status: 2
Pass 4: compilation failed. [man error::pass4]
Tip: /usr/share/doc/systemtap/README.Debian should help you get started.