Subject: Re: [PATCH V2 0/2] Fix session topology test for powerpc and add utility function to get cpuinfo entries

From: kajoljain <[email-masked]>
Date: Thu, 5 May 2022 16:22:07 +0530

On 5/5/22 15:09, Athira Rajeev wrote:
> The session topology test fails in powerpc pSeries platform.
> Test logs:
> <<>>
> Session topology : FAILED!
> <<>>
> 
> This test uses cpu topology information and in powerpc,
> some of the topology info is restricted in environment
> like virtualized platform. Hence this test needs to be
> skipped in pSeries platform for powerpc. The information
> about platform is available in /proc/cpuinfo.
> 
> Patch 1 adds generic utility function in "util/header.c"
> to read /proc/cpuinfo for any entry. Though the testcase
> fix needs value from "platform" entry, making this as a
> generic function to return value for any entry from the
> /proc/cpuinfo file which can be used commonly in future
> usecases.
> 
> Patch 2 uses the newly added utility function to look for
> platform and skip the test in pSeries platform for powerpc.
> 
> Athira Rajeev (2):
>   tools/perf: Add utility function to read /proc/cpuinfo for any field
>   tools/perf/tests: Fix session topology test to skip the test in guest
>     environment

Hi Athira,
   Patchset looks good to me.

Reviewed-by: Kajol Jain <[email-masked]>

Thanks,
Kajol Jain

> 
> Changelog:
>  V1 -> v2:
>  Addressed review comments from Kajol.
>  Use "strim" to remove space from string. Also
>  use "feof" to check for EOF instead of using new
>  variable "ret".
> 
>  tools/perf/tests/topology.c | 17 ++++++++++++
>  tools/perf/util/header.c    | 53 +++++++++++++++++++++++++++++++++++++
>  tools/perf/util/header.h    |  1 +
>  3 files changed, 71 insertions(+)
>