$ sudo ls -alt xen-4.20.3/debian/stamps/
total 8
drwxrwxr-x 26 mockbuild mockbuild 4096 Apr  6 10:25 ..
drwxrwxr-x  2 mockbuild mockbuild 4096 Apr  6 10:11 .
-rw-rw-r--  1 mockbuild mockbuild    0 Apr  6 10:11 install-utils-common
-rw-rw-r--  1 mockbuild mockbuild    0 Apr  6 10:11 build-docs
-rw-rw-r--  1 mockbuild mockbuild    0 Apr  6 10:11 setup-docs
-rw-rw-r--  1 mockbuild mockbuild    0 Apr  6 10:11 install-qemuu_amd64
-rw-rw-r--  1 mockbuild mockbuild    0 Apr  6 10:03 install-utils_amd64
-rw-rw-r--  1 mockbuild mockbuild    0 Apr  6 10:02 build-utils_amd64
-rw-rw-r--  1 mockbuild mockbuild    0 Apr  6 10:00 bld-hyp_amd64_amd64_PERF
-rw-rw-r--  1 mockbuild mockbuild    0 Apr  6 09:59 bld-hyp_amd64_amd64_XSM
-rw-rw-r--  1 mockbuild mockbuild    0 Apr  6 09:58 bld-hyp_amd64_amd64
-rw-rw-r--  1 mockbuild mockbuild    0 Apr  6 09:57 setup-utils_amd64
-rw-rw-r--  1 mockbuild mockbuild    0 Apr  6 09:57 su-hyp_amd64_amd64
-rw-rw-r--  1 mockbuild mockbuild    0 Apr  6 09:57 su-hyp_amd64_amd64_PERF