Created attachment 1513488 [details]
biolatency -D command output
Description of problem:
eBPF tool 'biolatency -D' fails with Traceback
Traceback (most recent call last):
File "./biolatency", line 121, in <module>
File "/usr/lib/python3.6/site-packages/bcc/__init__.py", line 592, in attach_kprobe
fn = self.load_func(fn_name, BPF.KPROBE)
File "/usr/lib/python3.6/site-packages/bcc/__init__.py", line 377, in load_func
Exception: Failed to load BPF program b'trace_req_completion': Permission denied
Version-Release number of selected component (if applicable):
Steps to Reproduce:
Install RHEL8 beta on KVM virt
Command should succeed
Looks like we need commit fc245dfe9dab ("biolatency: Fix --disks bpf_probe_read() (#1980)")
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.