Date: Fri, 10 Sep 2010 21:46:00 +0200 From: Jilles Tjoelker <jilles@stack.nl> To: Yuri <yuri@rawbw.com> Cc: freebsd-hackers@freebsd.org Subject: Re: Why I can't trace linux process's childs with truss? Message-ID: <20100910194600.GB60815@stack.nl> In-Reply-To: <4C8A81D9.5020905@rawbw.com> References: <4C8A81D9.5020905@rawbw.com>
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On Fri, Sep 10, 2010 at 12:07:05PM -0700, Yuri wrote: > I am trying to get the log of all system calls that skype makes with > truss -f /usr/local/share/skype/skype > For some reason the resulting log only has the leading process calls and > nothing from it's 8 childs. > Truss doesn't show any 'cloned' processes. Is this a bug in truss that > it doesn't follow 'cloned' processes? > Is there any workaround or other way I can debug skype? strace doesn't > work on amd64. > I am primarily interested why it can't read /dev/video0 device, created > by webcamd. Try using ktrace instead of truss. You will need devel/linux_kdump from ports to decode the resulting ktrace.out. Alternatively, if you're familiar with dtrace, you could try that. -- Jilles Tjoelker
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