* [Bug translator/5892] New: support "stap -r KERNEL-BUILD-TREE"
@ 2008-03-06 20:59 fche at redhat dot com
2008-09-29 23:52 ` [Bug translator/5892] " fche at redhat dot com
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: fche at redhat dot com @ 2008-03-06 20:59 UTC (permalink / raw)
To: systemtap
There's a need to allow users who build their own kernels in oddball directories
to sic systemtap at them. This may go beyond $SYSTEMTAP_DEBUGINFO_PATH.
While at it, we could drop the "-r REV implies -p4" heuristic, as someone
attempting to run a crosscompiled module will get a failure message pretty
soon anyway.
--
Summary: support "stap -r KERNEL-BUILD-TREE"
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
http://sourceware.org/bugzilla/show_bug.cgi?id=5892
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* [Bug translator/5892] support "stap -r KERNEL-BUILD-TREE"
2008-03-06 20:59 [Bug translator/5892] New: support "stap -r KERNEL-BUILD-TREE" fche at redhat dot com
@ 2008-09-29 23:52 ` fche at redhat dot com
2008-09-29 23:53 ` fche at redhat dot com
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: fche at redhat dot com @ 2008-09-29 23:52 UTC (permalink / raw)
To: systemtap
------- Additional Comments From fche at redhat dot com 2008-09-29 23:51 -------
This includes:
* looking there for the kernel-devel makefiles etc.
* not assuming -p4; consider removing that logic altogether
--
http://sourceware.org/bugzilla/show_bug.cgi?id=5892
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* [Bug translator/5892] support "stap -r KERNEL-BUILD-TREE"
2008-03-06 20:59 [Bug translator/5892] New: support "stap -r KERNEL-BUILD-TREE" fche at redhat dot com
2008-09-29 23:52 ` [Bug translator/5892] " fche at redhat dot com
@ 2008-09-29 23:53 ` fche at redhat dot com
2008-10-03 15:07 ` fche at redhat dot com
2008-11-05 20:21 ` [Bug translator/5892] support stap against plain KERNEL-BUILD-TREE fche at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: fche at redhat dot com @ 2008-09-29 23:53 UTC (permalink / raw)
To: systemtap
--
What |Removed |Added
----------------------------------------------------------------------------
OtherBugsDependingO| |6925
nThis| |
http://sourceware.org/bugzilla/show_bug.cgi?id=5892
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* [Bug translator/5892] support "stap -r KERNEL-BUILD-TREE"
2008-03-06 20:59 [Bug translator/5892] New: support "stap -r KERNEL-BUILD-TREE" fche at redhat dot com
2008-09-29 23:52 ` [Bug translator/5892] " fche at redhat dot com
2008-09-29 23:53 ` fche at redhat dot com
@ 2008-10-03 15:07 ` fche at redhat dot com
2008-11-05 20:21 ` [Bug translator/5892] support stap against plain KERNEL-BUILD-TREE fche at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: fche at redhat dot com @ 2008-10-03 15:07 UTC (permalink / raw)
To: systemtap
------- Additional Comments From fche at redhat dot com 2008-10-03 15:06 -------
*** Bug 6581 has been marked as a duplicate of this bug. ***
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What |Removed |Added
----------------------------------------------------------------------------
CC| |mhiramat at redhat dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=5892
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* [Bug translator/5892] support stap against plain KERNEL-BUILD-TREE
2008-03-06 20:59 [Bug translator/5892] New: support "stap -r KERNEL-BUILD-TREE" fche at redhat dot com
` (2 preceding siblings ...)
2008-10-03 15:07 ` fche at redhat dot com
@ 2008-11-05 20:21 ` fche at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: fche at redhat dot com @ 2008-11-05 20:21 UTC (permalink / raw)
To: systemtap
------- Additional Comments From fche at redhat dot com 2008-11-05 20:20 -------
The interplay with $SYSTEMTAP_DEBUGINFO_PATH needs attention.
A recent change allowed that environment variable to point to a
kernel build tree path, but that's not quite right either, as
we need a real search path to allow user-space debuginfo etc.
Plus we need the kernel version value too, for passing
to tapset predicates, so we can't just replace the -r VERSION
with -r PATH, unless VERSION can be easily pulled out of the
build tree. (All mentions of /lib/modules/... in the code
would need to be audited/parametrized.)
The kernel build tree path is special in that we need to refer
to it not just to fetch debuginfo/markers/etc., but also to hook up
buildrun.cxx's (kernel-devel) paths to it. So I think we need a
separate option or environment variable:
% stap -B KERNEL_BUILD_TREE [...]
where `-r VERSION' would automatically computed if able, and
$SYSTEMTAP_DEBUGINFO_PATH goes back to being a plain
colon-separated search path of (sub)directories.
--
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|systemtap at sources dot |rarora at redhat dot com
|redhat dot com |
Status|NEW |ASSIGNED
Summary|support "stap -r KERNEL- |support stap against plain
|BUILD-TREE" |KERNEL-BUILD-TREE
http://sourceware.org/bugzilla/show_bug.cgi?id=5892
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2008-03-06 20:59 [Bug translator/5892] New: support "stap -r KERNEL-BUILD-TREE" fche at redhat dot com
2008-09-29 23:52 ` [Bug translator/5892] " fche at redhat dot com
2008-09-29 23:53 ` fche at redhat dot com
2008-10-03 15:07 ` fche at redhat dot com
2008-11-05 20:21 ` [Bug translator/5892] support stap against plain KERNEL-BUILD-TREE fche at redhat dot com
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