High %sys cpu utilization is observed when executing "df" or "findmnt" commands?

Issue

• High %sys cpu utilization is observed when executing "df" or "findmnt" commands?

05:40:05 PM     all     10.73      0.00     63.49      0.00      0.00      0.00      0.18      0.00      0.00     25.60
05:50:06 PM     all      8.43      0.00     91.54      0.00      0.00      0.00      0.02      0.00      0.00      0.00
06:00:03 PM     all     14.63      0.00     81.00      0.02      0.00      0.00      0.10      0.00      0.00      4.25
06:10:04 PM     all     39.95      0.00     41.88      0.11      0.00      0.00      0.34      0.00      0.00     17.72

• Time taken by df and findmnt commands are huge and sometimes they stall

localhost tmp]# time df -h > df_h

real    7m6.170s
user    0m0.190s
sys     1m46.716s


localhost tmp]# time findmnt > findmnt

real    8m38.195s
user    0m48.527s
sys     1m32.508s