* [Bug translator/10943] New: Support generic @entry saving in .return probes
@ 2009-11-12 0:58 jistone at redhat dot com
2009-11-12 0:59 ` [Bug translator/10943] " jistone at redhat dot com
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: jistone at redhat dot com @ 2009-11-12 0:58 UTC (permalink / raw)
To: systemtap
We already support implicitly saving $target variables at function entry for use
in a .return probe (though bug #5899 debates when ->members should be read).
There's a good idea in bug #5899 comment #4 to support saving arbitrary
expressions as well. I quite like the example:
probe FOO.return {
println(gettimeofday_ns() - @entry(gettimeofday_ns()))
}
This @entry syntax is somewhat distinct from #5899, so I thought it should be
its own bug.
I think our traditional saved_var[tid()] mechanism could be adapted for this
pretty easily. The newer method using the kretprobe data pouch (bug #5916) is a
little tricker though, as it would need the types to be resolved a bit earlier
than we do now.
--
Summary: Support generic @entry saving in .return probes
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: translator
AssignedTo: systemtap at sources dot redhat dot com
ReportedBy: jistone at redhat dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=10943
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* [Bug translator/10943] Support generic @entry saving in .return probes
2009-11-12 0:58 [Bug translator/10943] New: Support generic @entry saving in .return probes jistone at redhat dot com
@ 2009-11-12 0:59 ` jistone at redhat dot com
2009-11-12 1:27 ` jistone at redhat dot com
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: jistone at redhat dot com @ 2009-11-12 0:59 UTC (permalink / raw)
To: systemtap
--
What |Removed |Added
----------------------------------------------------------------------------
Severity|normal |enhancement
http://sourceware.org/bugzilla/show_bug.cgi?id=10943
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* [Bug translator/10943] Support generic @entry saving in .return probes
2009-11-12 0:58 [Bug translator/10943] New: Support generic @entry saving in .return probes jistone at redhat dot com
2009-11-12 0:59 ` [Bug translator/10943] " jistone at redhat dot com
@ 2009-11-12 1:27 ` jistone at redhat dot com
2010-01-18 20:17 ` fche at redhat dot com
2010-06-24 14:23 ` jistone at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: jistone at redhat dot com @ 2009-11-12 1:27 UTC (permalink / raw)
To: systemtap
--
What |Removed |Added
----------------------------------------------------------------------------
OtherBugsDependingO| |5899
nThis| |
http://sourceware.org/bugzilla/show_bug.cgi?id=10943
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* [Bug translator/10943] Support generic @entry saving in .return probes
2009-11-12 0:58 [Bug translator/10943] New: Support generic @entry saving in .return probes jistone at redhat dot com
2009-11-12 0:59 ` [Bug translator/10943] " jistone at redhat dot com
2009-11-12 1:27 ` jistone at redhat dot com
@ 2010-01-18 20:17 ` fche at redhat dot com
2010-06-24 14:23 ` jistone at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: fche at redhat dot com @ 2010-01-18 20:17 UTC (permalink / raw)
To: systemtap
--
What |Removed |Added
----------------------------------------------------------------------------
OtherBugsDependingO| |11179
nThis| |
http://sourceware.org/bugzilla/show_bug.cgi?id=10943
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You are the assignee for the bug, or are watching the assignee.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug translator/10943] Support generic @entry saving in .return probes
2009-11-12 0:58 [Bug translator/10943] New: Support generic @entry saving in .return probes jistone at redhat dot com
` (2 preceding siblings ...)
2010-01-18 20:17 ` fche at redhat dot com
@ 2010-06-24 14:23 ` jistone at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: jistone at redhat dot com @ 2010-06-24 14:23 UTC (permalink / raw)
To: systemtap
--
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|systemtap at sources dot |jistone at redhat dot com
|redhat dot com |
Status|NEW |ASSIGNED
http://sourceware.org/bugzilla/show_bug.cgi?id=10943
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end of thread, other threads:[~2010-06-23 19:14 UTC | newest]
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2009-11-12 0:58 [Bug translator/10943] New: Support generic @entry saving in .return probes jistone at redhat dot com
2009-11-12 0:59 ` [Bug translator/10943] " jistone at redhat dot com
2009-11-12 1:27 ` jistone at redhat dot com
2010-01-18 20:17 ` fche at redhat dot com
2010-06-24 14:23 ` jistone at redhat dot com
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