[Bug kprobes/23260] SystemTap usage appears to adversely affect GDB breakpoint functionality

fche at redhat dot com sourceware-bugzilla@sourceware.org
Wed Jun 6 17:58:00 GMT 2018


https://sourceware.org/bugzilla/show_bug.cgi?id=23260

Frank Ch. Eigler <fche at redhat dot com> changed:

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                 CC|                            |fche at redhat dot com

--- Comment #2 from Frank Ch. Eigler <fche at redhat dot com> ---
It doesn't make sense.  I wonder if the gdb case tickles some kernel problems,
or maybe violates expectations of the golang runtime -- maybe only pausing a
few threads rather them all?  I wonder if a perf-probe set attached to the same
probe points can demonstrate the problem (vs. systemtap).  See
scripts/stap2perf and/or stap -DALIBI.

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