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From: andi.platschek@gmail.com (Andreas Platschek)
To: kernelnewbies@lists.kernelnewbies.org
Subject: Need help in printing call stacks for all CPU's
Date: Thu, 21 Nov 2013 11:43:46 +0100	[thread overview]
Message-ID: <528DE3E2.4080807@gmail.com> (raw)
In-Reply-To: <CAB6A5-C3ZFUfYnpSxPVeHTOKLxy5Fqy=h5oZ+e8CzoeByRqB=w@mail.gmail.com>

Hi Sandeep,

This should be possible using ftrace without touching the code. I am not
sure how to trigger on a specific function but I think it should be
possible. Have a look at Documentation/trace/ftrace.txt

andi

On 11/21/2013 11:22 AM, manty kuma wrote:
> I wish to print the call stacks of all the cpus. at a given time. How
> can i do it?
>
> for_each_cpu{
> dump_stack() -> Some function like this available? or i should write
> my own code?
> ...
> }
>
> Any pointers would help.
>
> Thank you,
> Sandeep
>
>
> _______________________________________________
> Kernelnewbies mailing list
> Kernelnewbies at kernelnewbies.org
> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies

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  reply	other threads:[~2013-11-21 10:43 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-21 10:22 Need help in printing call stacks for all CPU's manty kuma
2013-11-21 10:43 ` Andreas Platschek [this message]
2013-11-21 10:53 ` Fan Du
2013-11-21 11:22 ` Fan Du

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