perf probes on arm64 don't work with 4.10 kernel b/c of register name issue
Bug #1671917 reported by
Ali
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Fix Released
|
Medium
|
Unassigned | ||
Zesty |
Fix Released
|
Medium
|
Unassigned |
Bug Description
perf probe doesn't work because the register names in the perf tool are incorrect. This was fixed upstream by https:/
perf probe -x /lib/aarch64-
Failed to write event: Invalid argument
Error: Failed to add events.
Rebuilding perf with the above mentioned change results in:
ubuntu:
Added new event:
probe_libc:malloc (on malloc in /lib/aarch64-
Changed in linux (Ubuntu Zesty): | |
status: | New → Triaged |
importance: | Undecided → Medium |
tags: | added: kernel-da-key zesty |
To post a comment you must log in.
I built a test kernel with a cherry pick of commit 1b29dfbba124be5 077a24996a27220 5baec1c008. The test kernel can be downloaded from:
http:// kernel. ubuntu. com/~jsalisbury /lp1671917/
Can you test this kernel and see if it resolves this bug?