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[Bug kprobes/2064] New: Support pagepoint probes
- From: "jkenisto at us dot ibm dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 16 Dec 2005 21:10:45 -0000
- Subject: [Bug kprobes/2064] New: Support pagepoint probes
- Reply-to: sourceware-bugzilla at sourceware dot org
It has been requested that we support "pagepoint" probes. Such a probe is
analogous to a watchpoint probe; but with a pagepoint probe, neither the number
of concurrent probes nor the size of the probed area is limited by the CPU's
debug-register architecture.
Pagepoint probes would presumably be implemented by fussing the permission bits
on the probed page(s) and hooking the page-fault handler (or exploiting the
existing kprobes hook).
--
Summary: Support pagepoint probes
Product: systemtap
Version: unspecified
Status: NEW
Severity: enhancement
Priority: P3
Component: kprobes
AssignedTo: systemtap at sources dot redhat dot com
ReportedBy: jkenisto at us dot ibm dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=2064
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