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[Bug translator/23866] dissonance between kernel tracepoint parametrization, lkm vs bpf
- From: "wcohen at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Thu, 18 Jul 2019 14:43:30 +0000
- Subject: [Bug translator/23866] dissonance between kernel tracepoint parametrization, lkm vs bpf
- Auto-submitted: auto-generated
- References: <bug-23866-6586@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=23866
William Cohen <wcohen at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #11909|0 |1
is obsolete| |
--- Comment #9 from William Cohen <wcohen at redhat dot com> ---
Created attachment 11912
--> https://sourceware.org/bugzilla/attachment.cgi?id=11912&action=edit
Revised version of the WIP bpf raw tracepoint support
Based on feedback previous bpf_raw_tracepoint patch. This patch has the
following changes:
- NEWS entry
- Made behavior more predictable always use the bpf raw tracepoints unless
--compatible=4.1 used. if bpf raw tracepoints unavailable error out
- Simplified the logic
- Adjusted bpf.exp to work with the new behavior
- Increased bpf.exp timeout so tracepoint discovery has time to run in the
tests
In a separate patch I have a raw_tracepoint1.stp test that is a
reimplementation of the tracepoint1.stp using the bpf raw tracepoints
arguments.
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