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[Bug runtime/6488] New: remove unnecessary locking in print paths
- From: "fche at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 7 May 2008 18:37:20 -0000
- Subject: [Bug runtime/6488] New: remove unnecessary locking in print paths
- Reply-to: sourceware-bugzilla at sourceware dot org
runtime/print* and callees has several spinlock/irqsave calls.
When called from systemtap probes, these are not necessary since
irq's etc. are already all disabled, so we're wasting time.
If there exist other callers (module startup/shutdown yak perhaps),
these should be modified to include lock/unlock wrappers to
emulate probe-handler (atomic) context.
--
Summary: remove unnecessary locking in print paths
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: runtime
AssignedTo: systemtap at sources dot redhat dot com
ReportedBy: fche at redhat dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=6488
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