perfspect metrics failing on EC2 Graviton

[harp-intel]

Describe The Bug
When attempting to collect metrics on EC2 Graviton, getting error from PerfSpect:

Error: failed to get number of general purpose counters: no match for number of counters on line: ...

Perfspect Version
Paste copy/paste the output from perfspect --version

3.11

Platform Information

m8g.24xlarge w/ Ubuntu 24.04

Additional context

Worked fine prior to 10/29/2025 on the same VM. The dmesg line that is being parsed changed format.

Was
[ 1.339550] hw perfevents: enabled with armv8_pmuv3_0 PMU driver, 5 counters available

Now
[ 3.663956] hw perfevents: enabled with armv8_pmuv3_0 PMU driver, 6 (0,8000001f) counters available