2 # std.debug -- Enable debug options for -CURRENT.
5 options BUF_TRACKING # Track buffer history
6 options DDB # Support DDB.
7 options FULL_BUF_TRACKING # Track more buffer history
8 options GDB # Support remote GDB.
9 options DEADLKRES # Enable the deadlock resolver
10 options INVARIANTS # Enable calls of extra sanity checking
11 options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS
12 options QUEUE_MACRO_DEBUG_TRASH # Trash queue(2) internal pointers on invalidation
13 options WITNESS # Enable checks to detect deadlocks and cycles
14 options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
15 options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones
16 options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default
17 options ALT_BREAK_TO_DEBUGGER # Enter debugger on keyboard escape sequence
18 options KDTRACE_MIB_SDT # Add SDT probes to network counters