Same thing for questing. ``` # lsb_release -a Distributor ID: Ubuntu Description: Ubuntu 25.10 Release: 25.10 Codename: questing
# uname -a Linux k8s 6.17.0-7-generic #7-Ubuntu SMP PREEMPT_DYNAMIC Sat Oct 18 10:10:29 UTC 2025 x86_64 GNU/Linux # ./repro [*] Current perf_event_paranoid level: 4. [*] This is a custom Ubuntu paranoid level. [*] Current capabilities: cap_wake_alarm=i cap_perfmon+ep [!] CPU_CYCLES: Impossible to open perf event [!] INSTRUCTIONS: Impossible to open perf event [!] CACHE_REFERENCES: Impossible to open perf event Some events were not accessible with current capabilities # # check node_exporter with CAP_PERFMON # curl http://10.85.0.3:9100/metrics | grep -i perf node_scrape_collector_duration_seconds{collector="perf"} 3.3062e-05 node_scrape_collector_success{collector="perf"} 1 ``` Upgraded to the new kernel ``` # uname -a Linux k8s 6.17.0-9-generic #9-Ubuntu SMP PREEMPT_DYNAMIC Thu Nov 27 11:46:51 UTC 2025 x86_64 GNU/Linux # ./repro [*] Current perf_event_paranoid level: 4. [*] This is a custom Ubuntu paranoid level. [*] Current capabilities: cap_wake_alarm=i cap_perfmon+ep [*] CPU_CYCLES: Successfully opened perf event [*] INSTRUCTIONS: Successfully opened perf event [*] CACHE_REFERENCES: Successfully opened perf event All perf events accessible with current capabilities # # check node_exporter with CAP_PERFMON # curl http://10.85.0.4:9100/metrics | grep -i perf [...] node_perf_stalled_cycles_frontend_total{cpu="9"} 2.092633195e+09 node_scrape_collector_duration_seconds{collector="perf"} 0.003582177 node_scrape_collector_success{collector="perf"} 1 ``` ** Tags removed: verification-needed-questing-linux ** Tags added: verification-done-questing-linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2131046 Title: CAP_PERFMON insufficient to get perf data To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2131046/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
