Comment 15 for bug 1974433

------- Comment From <email address hidden> 2022-06-20 05:08 EDT-------
I have installed kernel:
# uname -a
Linux a35lp67 5.4.0-121-generic #137-Ubuntu SMP Wed Jun 15 13:32:55 UTC 2022 s390x s390x s390x GNU/Linux
#

and the z16 extended counter set counters are available:

# cd /sys/devices/cpum_cf/events; ls -l | fgrep DCW
-r--r--r-- 1 root root 4096 Jun 20 11:05 DCW_OFF_DRAWER
-r--r--r-- 1 root root 4096 Jun 20 11:05 DCW_OFF_DRAWER_MEMORY
-r--r--r-- 1 root root 4096 Jun 20 11:05 DCW_ON_CHIP
-r--r--r-- 1 root root 4096 Jun 20 11:05 DCW_ON_CHIP_CHIP_HIT
-r--r--r-- 1 root root 4096 Jun 20 11:05 DCW_ON_CHIP_DRAWER_HIT
-r--r--r-- 1 root root 4096 Jun 20 11:05 DCW_ON_CHIP_IV
-r--r--r-- 1 root root 4096 Jun 20 11:05 DCW_ON_CHIP_MEMORY
-r--r--r-- 1 root root 4096 Jun 20 11:05 DCW_ON_DRAWER
-r--r--r-- 1 root root 4096 Jun 20 11:05 DCW_ON_DRAWER_MEMORY
-r--r--r-- 1 root root 4096 Jun 20 11:05 DCW_ON_MODULE
-r--r--r-- 1 root root 4096 Jun 20 11:05 DCW_ON_MODULE_MEMORY
-r--r--r-- 1 root root 4096 Jun 20 11:05 DCW_REQ
-r--r--r-- 1 root root 4096 Jun 20 11:05 DCW_REQ_CHIP_HIT
-r--r--r-- 1 root root 4096 Jun 20 11:05 DCW_REQ_DRAWER_HIT
-r--r--r-- 1 root root 4096 Jun 20 11:05 DCW_REQ_IV
-r--r--r-- 1 root root 4096 Jun 20 11:05 IDCW_OFF_DRAWER_CHIP_HIT
-r--r--r-- 1 root root 4096 Jun 20 11:05 IDCW_OFF_DRAWER_DRAWER_HIT
-r--r--r-- 1 root root 4096 Jun 20 11:05 IDCW_OFF_DRAWER_IV
-r--r--r-- 1 root root 4096 Jun 20 11:05 IDCW_ON_DRAWER_CHIP_HIT
-r--r--r-- 1 root root 4096 Jun 20 11:05 IDCW_ON_DRAWER_DRAWER_HIT
-r--r--r-- 1 root root 4096 Jun 20 11:05 IDCW_ON_DRAWER_IV
-r--r--r-- 1 root root 4096 Jun 20 11:05 IDCW_ON_MODULE_CHIP_HIT
-r--r--r-- 1 root root 4096 Jun 20 11:05 IDCW_ON_MODULE_DRAWER_HIT
-r--r--r-- 1 root root 4096 Jun 20 11:05 IDCW_ON_MODULE_IV
#

Verification ok and successful