Can I take a snapshot of the current stack for every thread in some process from outside?

[Gavin Mu]

ports/sysutils/pstack can do this if you use x86 machine.

On Sat, Mar 3, 2012 at 8:49 AM, Yuri <yuri at rawbw.com> wrote:
> I have the multithreaded process, each thread has some stack state at each
> point of time. For example during the timer tick when processes are
> switched?
> Is there a way to take a snapshot without disrupting a process?
>
> I was thinking gdb, but it requires the process to exit the system call to
> attach (?).
> DTrace is only activated particular sensors are crossed.
>
> So is there such a tool/command?
>
> Yuri
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