kern/166924: deferred DTrace probes never match if executable linked with -E

Ryan Stone rstone at FreeBSD.org
Fri Apr 13 21:40:07 UTC 2012


>Number:         166924
>Category:       kern
>Synopsis:       deferred DTrace probes never match if executable linked with -E
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Apr 13 21:40:07 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator:     Ryan Stone
>Release:        8-STABLE
>Organization:
>Environment:
>Description:
If I link the USDT example on the wiki[1] with -Wl,-E and then run it with dtrace -c ./db -n 'database*:::', the USDT probes never match.

If I link without -E it works.

[1] http://wiki.freebsd.org/DTrace/userland
>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted:


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