linux-kernel - Re: [PATCH] perf c2c: Fix c2c report for empty numa node

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Message-Id: <400ca5f3-5048-2d58-d108-3cde2a9074af@linux.ibm.com>
Date:   Sat, 2 Mar 2019 08:37:25 +0530
From:   Ravi Bangoria <ravi.bangoria@...ux.ibm.com>
To:     Jiri Olsa <jolsa@...hat.com>, acme@...nel.org
Cc:     alexander.shishkin@...ux.intel.com, namhyung@...nel.org,
        eranian@...gle.com, linux-kernel@...r.kernel.org, tonyj@...e.com,
        nasastry@...ibm.com, Ravi Bangoria <ravi.bangoria@...ux.ibm.com>
Subject: Re: [PATCH] perf c2c: Fix c2c report for empty numa node


On 3/1/19 3:56 PM, Jiri Olsa wrote:
> Ravi Bangoria reported that we fail with empty
> numa node with following message:
> 
>   $ lscpu
>   NUMA node0 CPU(s):
>   NUMA node1 CPU(s):   0-4
> 
>   $ sudo ./perf c2c report
>   node/cpu topology bugFailed setup nodes
> 
> Fixing this by detecting empty node and keeping
> its cpu set empty.
> 
> Reported-by: Ravi Bangoria <ravi.bangoria@...ux.ibm.com>
> Link: http://lkml.kernel.org/n/tip-dyq5jo6pn1j3yqavb5ukjwwu@git.kernel.org
> Signed-off-by: Jiri Olsa <jolsa@...nel.org>

Reported-by: Nageswara R Sastry <nasastry@...ibm.com>
Tested-by: Ravi Bangoria <ravi.bangoria@...ux.ibm.com>