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[Bug translator/20410] New: Support perf probes limited to user mode
- From: "jistone at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Mon, 25 Jul 2016 23:45:27 +0000
- Subject: [Bug translator/20410] New: Support perf probes limited to user mode
- Auto-submitted: auto-generated
https://sourceware.org/bugzilla/show_bug.cgi?id=20410
Bug ID: 20410
Summary: Support perf probes limited to user mode
Product: systemtap
Version: unspecified
Status: NEW
Severity: enhancement
Priority: P2
Component: translator
Assignee: systemtap at sourceware dot org
Reporter: jistone at redhat dot com
Target Milestone: ---
It would be nice to support a way to limit perf counters to just user mode.
The kernel API exists -- we just need to set exclude_kernel=1 and exclude_hv=1
in the perf_event_attr.
See this thread: https://sourceware.org/ml/systemtap/2016-q3/msg00090.html
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