From: Alex Vesker <valex@mellanox.com>
To: Jiri Pirko <jiri@resnulli.us>, Andrew Lunn <andrew@lunn.ch>
Cc: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>,
<netdev@vger.kernel.org>, <linux-fsdevel@vger.kernel.org>,
<kexec@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
<davem@davemloft.net>, <viro@zeniv.linux.org.uk>,
<ebiederm@xmission.com>, <stephen@networkplumber.org>,
<akpm@linux-foundation.org>, <torvalds@linux-foundation.org>,
<ganeshgr@chelsio.com>, <nirranjan@chelsio.com>,
<indranil@chelsio.com>
Subject: Re: [PATCH net-next v2 1/2] fs/crashdd: add API to collect hardware dump in second kernel
Date: Tue, 3 Apr 2018 08:43:27 +0300 [thread overview]
Message-ID: <0d106ece-4669-389d-da30-63a630ca625c@mellanox.com> (raw)
In-Reply-To: <20180402091232.GE3313@nanopsycho>
On 4/2/2018 12:12 PM, Jiri Pirko wrote:
> Fri, Mar 30, 2018 at 05:11:29PM CEST, andrew@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
next prev parent reply other threads:[~2018-04-03 5:43 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-24 10:56 [PATCH net-next v2 0/2] kernel: add support to collect hardware logs in crash recovery kernel Rahul Lakkireddy
2018-03-24 10:56 ` [PATCH net-next v2 1/2] fs/crashdd: add API to collect hardware dump in second kernel Rahul Lakkireddy
2018-03-25 12:43 ` kbuild test robot
2018-03-30 10:39 ` Jiri Pirko
2018-03-30 10:51 ` Rahul Lakkireddy
2018-03-30 18:42 ` Eric W. Biederman
2018-04-02 9:11 ` Jiri Pirko
2018-04-02 12:21 ` Andrew Lunn
2018-04-02 12:30 ` Rahul Lakkireddy
2018-04-03 7:04 ` Jiri Pirko
2018-03-30 15:11 ` Andrew Lunn
2018-04-02 9:12 ` Jiri Pirko
2018-04-03 5:43 ` Alex Vesker [this message]
2018-04-03 12:35 ` Andrew Lunn
2018-03-24 10:56 ` [PATCH net-next v2 2/2] cxgb4: " Rahul Lakkireddy
2018-03-24 15:18 ` Andrew Lunn
2018-03-24 22:18 ` Thadeu Lima de Souza Cascardo
2018-03-25 0:17 ` Eric W. Biederman
2018-03-24 15:20 ` [PATCH net-next v2 0/2] kernel: add support to collect hardware logs in crash recovery kernel Eric W. Biederman
2018-03-26 13:45 ` Rahul Lakkireddy
2018-03-27 13:17 ` Eric W. Biederman
2018-03-27 15:27 ` Rahul Lakkireddy
2018-03-27 15:59 ` Eric W. Biederman
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