Date: Sat, 3 Mar 2012 11:26:33 +1030 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: Yuri <yuri@rawbw.com> Cc: freebsd-hackers@freebsd.org Subject: Re: Can I take a snapshot of the current stack for every thread in some process from outside? Message-ID: <48E3F3E0-6DE1-46F7-A732-A44DE2C9D147@gsoft.com.au> In-Reply-To: <4F516AA7.8060606@rawbw.com> References: <4F516AA7.8060606@rawbw.com>
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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? >=20 > I was thinking gdb, but it requires the process to exit the system = call to attach (?). > DTrace is only activated particular sensors are crossed. >=20 > So is there such a tool/command? Will gcore do what you want? -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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