Perf broken on linux-linaro 3.10.x kernel
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Linaro big.LITTLE |
Confirmed
|
High
|
Unassigned |
Bug Description
I have tested iks test suite on linux-linaro mp build 301 which is proposed for 13.05 release.
https:/
big.LITTLE IKS test suite reported 4 failures related to perf test cases. where it failed to count (or print) events on A15 cluster.
perf-mem-stress-a7 : FAIL
perf-mem-stress-a15 : FAIL
perf-mem-
perf-disk-
perf-disk-
perf-disk-
Test log:
https:/
Linux kernel:
Linux version 3.10.0-
Changed in linaro-big-little-system: | |
importance: | Undecided → High |
assignee: | nobody → Dave Martin (dave-martin-arm) |
milestone: | none → 2013.05 |
Changed in linaro-big-little-system: | |
status: | New → Confirmed |
description: | updated |
summary: |
- perf failed to count events on A15 cluster + perf broken on linux-linaro 3.10.x kernel |
summary: |
- perf broken on linux-linaro 3.10.x kernel + Perf broken on linux-linaro 3.10.x kernel |
tags: | added: bl-iks |
Changed in linaro-big-little-system: | |
assignee: | Dave Martin (dave-martin-arm) → nobody |
Maintaining the existing perf support for IKS has become an effort sink.
Since the existing implementation is not suitable for upstream, I am working on rebuilding the functionality on top of a more mainline-oriented perf series.
This should lead to a simpler and more robust implementation.