Hi Jianhui,

Unfortunately,

1. This issue also occurs to mtk-v6.6 (our work-in-progress kernel branch)
   which is based on Linux 6.6.22.

   Could you show me the kernel git repo that Ubuntu Noble is using that
does not have this issue?

2. After cherry-pick the following commit to mtk-v5.15, the issue is
still reproducible.

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/perf/arm_pmu.c?id=5c816728651ae425954542fed64d21d40cb75a9f

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https://bugs.launchpad.net/bugs/2060063

Title:
  PMU counters for Cortex-A78 not working correctly

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