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List:       opensolaris-dtrace-discuss
Subject:    Re: [dtrace-discuss] tracing stops after a while,
From:       Adam Leventhal <ahl () eng ! sun ! com>
Date:       2010-04-01 23:57:57
Message-ID: 94F3F2A9-EEDD-4340-8E73-5AC8318E2C0D () eng ! sun ! com
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Hey Philippe,

Why are you using anonymous tracing? I suppose DTrace might be aborting and it might \
not have a way of alerting you. If you run dtrace(1M) with bufpolicy=ring you can \
still recover the data from a crash dump.

Adam

On Mar 30, 2010, at 2:28 AM, philippe magerus wrote:

> Hi,
> 
> I need to do some anoymous tracing on a customer's system, as I need to catch \
> events just before a panic. 
> Even though the script has the following line :
> 
> 
> #pragma D option bufpolicy=ring
> 
> Tracing stops after a few hours, and the event is missed.
> 
> system is an x86 with KU 138889-07
> 
> Any idea why dtrace stops tracing, as if the ring policy was not applied  ?
> 
> Cheers,
> 
> Philippe Magerus
> _______________________________________________
> dtrace-discuss mailing list
> dtrace-discuss@opensolaris.org


--
Adam Leventhal, Fishworks                        http://blogs.sun.com/ahl

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