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[Bug translator/3217] compiled binary tracing
- From: "jistone at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Wed, 8 Jun 2011 00:18:04 +0000
- Subject: [Bug translator/3217] compiled binary tracing
- Auto-submitted: auto-generated
- References: <bug-3217-6586@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=3217
Josh Stone <jistone at redhat dot com> changed:
What |Removed |Added
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Attachment #1977|0 |1
is obsolete| |
AssignedTo|systemtap at sourceware dot |jistone at redhat dot com
|org |
--- Comment #8 from Josh Stone <jistone at redhat dot com> 2011-06-08 00:17:46 UTC ---
Created attachment 5771
--> http://sourceware.org/bugzilla/attachment.cgi?id=5771
Full-featured compiled printf
This translates script-level printf statements into unrolled printing
statements. This passes all systemtap.printf/*.exp tests. The compiled code
is faster, variably, but up to 20% improved in my testing. It also results in
larger .text though, especially when it gets fanned out for something like
"syscall.*". That might be mitigated by moving this translation to create
functions in pass-2, so identical printfs can share the unrolled code.
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