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[Bug translator/16300] New: suppress statement-counting protections in loop-free non-recursive probe handlers
- From: "fche at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Fri, 06 Dec 2013 21:06:58 +0000
- Subject: [Bug translator/16300] New: suppress statement-counting protections in loop-free non-recursive probe handlers
- Auto-submitted: auto-generated
https://sourceware.org/bugzilla/show_bug.cgi?id=16300
Bug ID: 16300
Summary: suppress statement-counting protections in loop-free
non-recursive probe handlers
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: translator
Assignee: systemtap at sourceware dot org
Reporter: fche at redhat dot com
Since we have full view of the probe handler's logic & control flow,
we can know that handlers containing only straight-through code and
conditionals cannot trigger an indefinite loop, thus don't need
statement-counting type protection.
This might extended to some loops too, if we pessimistically estimate
small number-of-iterations, such as foreach-limit ones, or loops over
fixed integer ranges, or over small arrays.
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