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

[Daniel O'Connor]

On 03/03/2012, at 11:19, Yuri 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?


Will gcore do what you want?

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Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
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