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Make the number of fasttrap probes and the size of the trace points hash table

Description

Make the number of fasttrap probes and the size of the trace points hash table
tunable via sysctl or kernel tunables.

Illumos allows this parameters to be changed via the fasttrap.conf configuration
file, but FreeBSD code hardcoded the parameters. Expose them under
the kern.dtrace.fasttrap sysctl tree.

MFC after: 2 weeks

Details

Committed
stasDec 1 2015, 12:24 AM
Parents
rS291544: Delete the TUNABLE_INT() line. It was in r291527 so that it could be
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