[OpenIndiana-discuss] Missing dtrace probe syscall::exec:

[Alan Coopersmith]

Chris Ridd wrote:
> On 24 Sep 2010, at 08:23, Ewald Ertl wrote:
> 
>> Hello,
>>
>> I attempted to use the execsnoop script from the DTraceToolkit but the exec
>> probe is missing.
>>
>> probe description syscall::exec:return does not match any probes
>>
>>
>> [ewer at solewer:~]$dtrace -l -P syscall | grep exec
>> 21829    syscall                                               exece entry
>> 21830    syscall                                               exece return
>>
>>
>> There is "only" the exece available.
>> Why is the exec dtrace probe missing_
> 
> Hm you're right - this happens on 32-bit and 64-bit kernels.
> 
> Could it be a deliberate change in onnv?

Appears to be:
http://src.opensolaris.org/source/diff/onnv/onnv-gate/usr/src/uts/common/os/exec.c?r2=%252Fonnv%252Fonnv-gate%252Fusr%252Fsrc%252Futs%252Fcommon%252Fos%252Fexec.c%4011798%3A1e7f1f154004&r1=%252Fonnv%252Fonnv-gate%252Fusr%252Fsrc%252Futs%252Fcommon%252Fos%252Fexec.c%4011736%3A63a134e1f09c

Which is part of the putback a few months ago for:

PSARC 2009/657 delete obsolete system call traps
http://arc.opensolaris.org/caselog/PSARC/2009/657/

6906485 delete obsolete system call traps
http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6906485
-- 
	-Alan Coopersmith-        alan.coopersmith at oracle.com
	 Oracle Solaris Platform Engineering: X Window System