[PATCH net-next v2 1/2] fs/crashdd: add API to collect hardware dump in second kernel

Alex Vesker valex at mellanox.com
Mon Apr 2 22:43:27 PDT 2018



On 4/2/2018 12:12 PM, Jiri Pirko wrote:
> Fri, Mar 30, 2018 at 05:11:29PM CEST, andrew at lunn.ch wrote:
>>> Please see:
>>> http://patchwork.ozlabs.org/project/netdev/list/?series=36524
>>>
>>> I bevieve that the solution in the patchset could be used for
>>> your usecase too.
>> Hi Jiri
>>
>> https://lkml.org/lkml/2018/3/20/436
>>
>> How well does this API work for a 2Gbyte snapshot?
> Ccing Alex who did the tests.

I didn't check the performance for such a large snapshot.
 From my measurement it takes 0.09s for 1 MB of data this means
about ~3m.
This can be tuned and improved since this is a socket application.

>>     Andrew




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