I've just rolled out two patches, the first issue of the 1.1 series for
x86, and the accompanying tracer patch contributed by Jan Kiszka and
Luotao Fu. With the latter patch, the I-pipe shall trace the longest
stalled path of the domain with the highest priority. Apply them in that
The core patch does not include Dmitry's work on the shared IRQ issues
yet, but -01 will.
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