Ohh, the SIGUSR2 is used internally. The checkpoint-manager thread sends
SIGUSR2 to the user threads after doing a bunch of procedures. In order to
checkpoint the process, you need to use "dmtcp_command [-p
<coordinator-port>] -c". Alternatively, you can give the coordinator "c"
command.
On Mon, Oct 15, 2012 at 10:50 AM, Orion Poplawski <[email protected]>wrote:
> I thought sending USR2 to a dmtcp started process would trigger a
> checkpoint. I'm not seeing that happen with this test.
>
>
> On 10/15/2012 04:36 AM, Kapil Arya wrote:
>
>> Hi Orion,
>>
>> DMTCP uses SIGUSR2 internally for checkpointing purposes. If you want to
>> change this behavior, you can use the --mtcp-checkpoint-signal.
>>
>> Kapil
>>
>> On Wed, Oct 10, 2012 at 1:06 PM, Orion Poplawski <[email protected]
>> <mailto:[email protected]>> wrote:
>>
>> So I started a bash script via dmtcp_checkoint and I now have:
>>
>> orion 23499 23489 0 10:43 ? 00:00:00 /bin/bash
>> /var/spool/gridengine/castor/**job_scripts/27685 ./foo 7200 out.qsub
>> orion 23506 1 0 10:43 ? 00:00:00
>> /usr/bin/dmtcp_coordinator
>> --port 0 --exit-on-last --interval 0 --background
>> orion 23512 23499 0 10:43 ? 00:00:00 ./foo 7200 out.qsub
>>
>> If I send the USR2 signal with kill -USR2 23499 it doesn't do
>> anything. Is
>> perhaps bash blocking the signal? There are no trap statements in
>> the script.
>>
>> --
>> Orion Poplawski
>> Technical Manager 303-415-9701 x222
>> NWRA, Boulder Office FAX: 303-415-9702
>> 3380 Mitchell Lane [email protected] <mailto:[email protected]>
>>
>> Boulder, CO 80301 http://www.nwra.com
>>
>> ------------------------------**------------------------------**
>> ------------------
>> Don't let slow site performance ruin your business. Deploy New Relic
>> APM
>> Deploy New Relic app performance management and know exactly
>> what is happening inside your Ruby, Python, PHP, Java, and .NET app
>> Try New Relic at no cost today and get our sweet Data Nerd shirt too!
>>
>> http://p.sf.net/sfu/newrelic-**dev2dev<http://p.sf.net/sfu/newrelic-dev2dev>
>> ______________________________**_________________
>> Dmtcp-forum mailing list
>>
>> [email protected].**net<[email protected]><mailto:
>> Dmtcp-forum@lists.**sourceforge.net <[email protected]>>
>>
>> https://lists.sourceforge.net/**lists/listinfo/dmtcp-forum<https://lists.sourceforge.net/lists/listinfo/dmtcp-forum>
>>
>>
>>
>
> --
> Orion Poplawski
> Technical Manager 303-415-9701 x222
> NWRA, Boulder Office FAX: 303-415-9702
> 3380 Mitchell Lane [email protected]
> Boulder, CO 80301 http://www.nwra.com
>
------------------------------------------------------------------------------
Don't let slow site performance ruin your business. Deploy New Relic APM
Deploy New Relic app performance management and know exactly
what is happening inside your Ruby, Python, PHP, Java, and .NET app
Try New Relic at no cost today and get our sweet Data Nerd shirt too!
http://p.sf.net/sfu/newrelic-dev2dev
_______________________________________________
Dmtcp-forum mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/dmtcp-forum
