Bug 25252 - arm64 platform does not support perf branch stack sampling
Summary: arm64 platform does not support perf branch stack sampling
Status: NEW
Alias: None
Product: ANCK 6.6 Dev
Classification: ANCK
Component: ARM (show other bugs) ARM
Version: unspecified
Hardware: aarch64 Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: fghui_kernel
QA Contact: shuming
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2025-09-22 10:41 UTC by WeiChen
Modified: 2025-12-11 15:37 UTC (History)
3 users (show)

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Description WeiChen 2025-09-22 10:41:56 UTC 
Description of problem:


Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1. perf record -o perf.data.any_call -j any_call ls

Actual results:
Error:
cycles:P: PMU Hardware or event type doesn't support branch stack sampling

Expected results:
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.123 MB perf.data.any_call (92 samples) ]

Additional info:
Comment 1 小龙 admin 2025-12-11 15:37:33 UTC 
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/6115