* [Bug translator/11550] New: dynamic probe point parameters
@ 2010-04-28 17:36 fche at redhat dot com
2010-04-28 17:46 ` [Bug translator/11550] " neependra dot khare at gmail dot com
2010-06-30 14:09 ` wcohen at redhat dot com
0 siblings, 2 replies; 6+ messages in thread
From: fche at redhat dot com @ 2010-04-28 17:36 UTC (permalink / raw)
To: systemtap
A request from IRC suggests a useful construct: where watchpoint probes'
addresses are computed on the fly. Syntax could look like this:
global addr
probe kernel.data(addr).length(300) { }
probe kernel.function("something") { addr = $myaddr }
so each time "something" hits, the address would be recomputed and the
hardware breakpoint probe reset.
This would require the same sorts of constraints on the globals as already
enforced for probe point conditionals. This would also require the sorts
of on-the-fly registration/unregistration logic as pending for PR10995.
Some probe point types may permit such parametrization in several fields.
The dwarf ones would probably not support it in any slot, but
kprobe.function(SYM), timer.s(NN) could.
--
Summary: dynamic probe point parameters
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: translator
AssignedTo: systemtap at sources dot redhat dot com
ReportedBy: fche at redhat dot com
BugsThisDependsOn: 10995
http://sourceware.org/bugzilla/show_bug.cgi?id=11550
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* [Bug translator/11550] dynamic probe point parameters
2010-04-28 17:36 [Bug translator/11550] New: dynamic probe point parameters fche at redhat dot com
@ 2010-04-28 17:46 ` neependra dot khare at gmail dot com
2010-06-30 14:09 ` wcohen at redhat dot com
1 sibling, 0 replies; 6+ messages in thread
From: neependra dot khare at gmail dot com @ 2010-04-28 17:46 UTC (permalink / raw)
To: systemtap
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What |Removed |Added
----------------------------------------------------------------------------
CC| |neependra dot khare at gmail
| |dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=11550
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* [Bug translator/11550] dynamic probe point parameters
2010-04-28 17:36 [Bug translator/11550] New: dynamic probe point parameters fche at redhat dot com
2010-04-28 17:46 ` [Bug translator/11550] " neependra dot khare at gmail dot com
@ 2010-06-30 14:09 ` wcohen at redhat dot com
1 sibling, 0 replies; 6+ messages in thread
From: wcohen at redhat dot com @ 2010-06-30 14:09 UTC (permalink / raw)
To: systemtap
--
What |Removed |Added
----------------------------------------------------------------------------
CC| |wcohen at redhat dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=11550
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* [Bug translator/11550] dynamic probe point parameters
[not found] <bug-11550-6586@http.sourceware.org/bugzilla/>
2012-06-13 20:55 ` fche at redhat dot com
@ 2014-08-11 19:59 ` jlebon at redhat dot com
1 sibling, 0 replies; 6+ messages in thread
From: jlebon at redhat dot com @ 2014-08-11 19:59 UTC (permalink / raw)
To: systemtap
https://sourceware.org/bugzilla/show_bug.cgi?id=11550
Bug 11550 depends on bug 10995, which changed state.
Bug 10995 Summary: on-the-fly enabled/disabled probes
https://sourceware.org/bugzilla/show_bug.cgi?id=10995
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
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* [Bug translator/11550] dynamic probe point parameters
[not found] <bug-11550-6586@http.sourceware.org/bugzilla/>
@ 2012-06-13 20:55 ` fche at redhat dot com
2014-08-11 19:59 ` jlebon at redhat dot com
1 sibling, 0 replies; 6+ messages in thread
From: fche at redhat dot com @ 2012-06-13 20:55 UTC (permalink / raw)
To: systemtap
http://sourceware.org/bugzilla/show_bug.cgi?id=11550
Frank Ch. Eigler <fche at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Blocks|12231 |
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* [Bug translator/11550] dynamic probe point parameters
[not found] <bug-11550-1110@http.sourceware.org/bugzilla/>
@ 2010-11-18 16:43 ` fche at redhat dot com
0 siblings, 0 replies; 6+ messages in thread
From: fche at redhat dot com @ 2010-11-18 16:43 UTC (permalink / raw)
To: systemtap
http://sourceware.org/bugzilla/show_bug.cgi?id=11550
Frank Ch. Eigler <fche at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Blocks| |12231
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end of thread, other threads:[~2014-08-11 19:59 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2010-04-28 17:36 [Bug translator/11550] New: dynamic probe point parameters fche at redhat dot com
2010-04-28 17:46 ` [Bug translator/11550] " neependra dot khare at gmail dot com
2010-06-30 14:09 ` wcohen at redhat dot com
[not found] <bug-11550-1110@http.sourceware.org/bugzilla/>
2010-11-18 16:43 ` fche at redhat dot com
[not found] <bug-11550-6586@http.sourceware.org/bugzilla/>
2012-06-13 20:55 ` fche at redhat dot com
2014-08-11 19:59 ` jlebon at redhat dot com
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