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List:       opensolaris-dtrace-discuss
Subject:    Re: [dtrace-discuss] dtrace on branded zones.
From:       Menno Lageman <Menno.Lageman () Sun ! COM>
Date:       2009-07-01 9:28:14
Message-ID: 4A4B2C2E.6040209 () Sun ! COM
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On 07/01/09 10:09, Paul van der Zwan wrote:
> 
> On 30 jun 2009, at 18:22, Adam Leventhal wrote:
> 
>> On Jun 29, 2009, at 1:53 PM, Edward Pilatowicz wrote:
>>> iirc, plockstat relies on dtrace probe points built into libc.  s8
>>> branded processes use the s8 version of libc, and the s8 version of libc
>>> doesn't have any built in dtrace probes.  so yes, plockstat won't work
>>> on s8 branded processes.
>>
>>
>> That's correct. What was the failure mode? We could at least emit a 
>> helpful
>> message.
>>
> 
> I have no log of the error but if my memory is correct it was something 
> like a missing
> plockstat$PID:::rwlock probe. ( For $PID insert the numerical pid of the 
> process you want to
> probe).

It fails like this:

$ plockstat -p 1747
plockstat: failed to compile program: probe description 
plockstat1747:::rw-block does not match any probes


-- 
Menno Lageman - Sun Microsystems - http://blogs.sun.com/menno
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