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[Bug tapsets/10745] Give access to "hidden" tracepoints
- From: "fche at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 18 Mar 2010 21:29:32 -0000
- Subject: [Bug tapsets/10745] Give access to "hidden" tracepoints
- References: <20091007205111.10745.jistone@redhat.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From fche at redhat dot com 2010-03-18 21:29 -------
This sort of thing should work at some point:
probe perf.type(2).config(NN)
where NN comes from /debugfs/tracing/events/*/*/id
We could supply a shell script to parse the latter directory to come up with
a tapset correct for the currently running kernel. Or the translator could
do it, and store it cached based on kernel build-id or somesuch.
See also /proc/sys/kernel/perf_event_paranoid
--
http://sourceware.org/bugzilla/show_bug.cgi?id=10745
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