Comment 6 for bug 1908307

Verified 2.32-0ubuntu3.1 on Groovy.

ubuntu@gg-glibc-prof:~$ dpkg -l libc6-prof
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-================-===============-============-=================================
ii libc6-prof:amd64 2.32-0ubuntu3.1 amd64 GNU C Library: Shared Libraries
ubuntu@gg-glibc-prof:~$ env LD_LIBRARY_PATH=/lib/libc6-prof/x86_64-linux-gnu sleep 1
ubuntu@gg-glibc-prof:~$ sleep 1
ubuntu@gg-glibc-prof:~$

---

ubuntu@gg-glibc-prof:~$ sudo bpftrace -e 't:syscalls:sys_enter_clock_nanosleep /comm == "sleep"/ {printf("%s\n", ustack);}'
Attaching 1 probe...

        clock_nanosleep+96
        __nanosleep+23
        0x55bbd1167f67

^C

ubuntu@gg-glibc-prof:~$ sudo bpftrace -e 't:syscalls:sys_enter_clock_nanosleep /comm == "sleep"/ {printf("%s\n", ustack);}'
Attaching 1 probe...

        clock_nanosleep+90

^C

ubuntu@gg-glibc-prof:~$