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[Bug translator/4301] New: mark_derived_probe::join_group incomplete
- From: "mkg at vt dot edu" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 30 Mar 2007 17:51:12 -0000
- Subject: [Bug translator/4301] New: mark_derived_probe::join_group incomplete
- Reply-to: sourceware-bugzilla at sourceware dot org
I am exploring the Myrinet 10G MX driver with SystemTap. I created two markers
called mx_ether_xmit_top and mx_ether_xmit_bottom at the top and bottom of
static function mx_ether_xmit in mx-1.2.0i/driver/linux/mx_ether.c, part of
module mx_driver.
Instead of being able to probe at the marks, there are semantic errors:
"semantic error: incomplete: keyword at <input>:1:1" with "stap -e 'probe
module("mx_driver").mark ("mx_ether_xmit_top") {exit}'". Surprisingly, there is
a different error when running "stap -e 'probe module("mx_driver").mark
("mx_ether_xmit") {exit}'": "semantic error: no match for probe point while
resolving probe point module("mx_driver").mark("mx_ether_xmit")" which is the
error I expect to see since there are no marks by that name. Thus the mark is
being found by the first command line.
The problem appears to be an incomplete implementation guarded by throwing
semantic error "incomplete" in mark_derived_probe::join_group at
tapsets.cxx:4382.
--
Summary: mark_derived_probe::join_group incomplete
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: translator
AssignedTo: systemtap at sources dot redhat dot com
ReportedBy: mkg at vt dot edu
http://sourceware.org/bugzilla/show_bug.cgi?id=4301
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