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Indeed, it appears in the options section, but not on the synopsis nor in "biotop -h" output. The all option section has been added in one commit: I suspect a hasty copy-paste from an other tool.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2019:3327
Description of problem: eBPF tool 'biotop' has unusable -p option in man page -p PID Trace this PID only. Version-Release number of selected component (if applicable): kernel-4.18.0-40.el8.x86_64 bcc-0.7.0-3.el8.x86_64 bcc-tools-0.7.0-3.el8.x86_64 Steps to Reproduce: [root@localhost tools]# pwd /usr/share/bcc/tools [root@localhost tools]# ./biotop -p usage: biotop [-h] [-C] [-r MAXROWS] [interval] [count] biotop: error: unrecognized arguments: -p Actual results: Unusable option in man page Expected results: Unusable option removed from man page