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[Bug tapsets/16730] New: stap -L '**' displays non-public probe points
- From: "aferrazz at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Thu, 20 Mar 2014 19:52:32 +0000
- Subject: [Bug tapsets/16730] New: stap -L '**' displays non-public probe points
- Auto-submitted: auto-generated
https://sourceware.org/bugzilla/show_bug.cgi?id=16730
Bug ID: 16730
Summary: stap -L '**' displays non-public probe points
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: tapsets
Assignee: systemtap at sourceware dot org
Reporter: aferrazz at redhat dot com
Running stap -L '**' currently shows probe points that are not user-accessible.
For example, one of the probes it outputs is begin(-1001), appearing as the
following:
begin(-1001) num:long
A pass 1 run of stap shows that this probe point is defined in
/usr/share/systemtap/tapset/linux/socket.stp, but is only used locally to that
script rather than being an alias definition. Also, the variable "num" is not
accessible to user scripts from within a begin(-1001) probe.
At the moment, begin(-1001) is only confirmed example of a non-public probe
point being listed, but it is possible that this problem extends beyond just
that case.
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