Unverified Commit 0e7e6fc7 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!4273 Intel: Backport SRF/GRR perf cstate support back to kernel 5.10

Merge Pull Request from: @yunyingsun 
 
Title: Backport Sierra Forest(SRF)/Grand Ridge(GRR) perf cstate support to kernel OLK-5.10

Content:
To make perf tool support reading cstate information on the first E-core Xeon platform Sierra Forrest(SRF), OLK-5.10 kernel needs 4 patches from mainline kernel v6.8-rc1:
bbb968696d0f perf/x86/intel/cstate: Add Grand Ridge support
3877d55a0db2 perf/x86/intel/cstate: Add Sierra Forest support
c3dd1995620c x86/smp: Export symbol cpu_clustergroup_mask()
243218ca9303 perf/x86/intel/cstate: Cleanup duplicate attr_groups

Intel-kernel issue:
https://gitee.com/openeuler/intel-kernel/issues/I8YVW5

Test:
On SRF, before backport:
```
# perf list | grep cstate
#
```

On SRF, after backport:
```
# perf list | grep cstate
  cstate_core/c1-residency/                          [Kernel PMU event]
  cstate_core/c6-residency/                          [Kernel PMU event]
  cstate_module/c6-residency/                        [Kernel PMU event]
  cstate_pkg/c6-residency/                           [Kernel PMU event]
#
# perf stat -e cstate_core/c1-residency/,cstate_core/c6-residency/,cstate_module/c6-residency/,cstate_pkg/c6-residency/ -- sleep 1

 Performance counter stats for 'system wide':

       121,798,080      cstate_core/c1-residency/
   312,280,460,496      cstate_core/c6-residency/
    74,616,978,288      cstate_module/c6-residency/
       505,499,040      cstate_pkg/c6-residency/

       1.024821144 seconds time elapsed
```

Known issue:
N/A

Default config change:
N/A 
 
Link:https://gitee.com/openeuler/kernel/pulls/4273

 

Reviewed-by: default avatarJason Zeng <jason.zeng@intel.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 1de0ecd5 d32a860a
Loading
Loading
Loading
Loading
0% Loading or .
You are about to add 0 people to the discussion. Proceed with caution.
Please to comment