debug

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Property Value
OID 5
Description Debugging
Label
Type node
Format N
Flags
  • RD, Can read the value
  • WR, Can write the value
  • RW, RD and WR
  • MPSAFE, Multiprocessor safe


Children:
Child Description
debug.x86bios x86bios debugging
debug.efi_time
debug.minidump Enable mini crash dumps
debug.hwpstate_pstate_limit If enabled (1), limit administrative control of P-states to the value in CurPstateLimit
debug.hwpstate_verify Verify P-state after setting
debug.hwpstate_verbose Debug hwpstate
debug.fdc fdc driver
debug.vesa VESA debugging
debug.psm ps/2 mouse
debug.vnode_domainset Default vnode NUMA policy
debug.vmmap_check Enable vm map consistency checking
debug.vm_lowmem set to trigger vm_lowmem event with given flags
debug.dircheck
debug.dobkgrdwrite Do background writes (honoring the BV_BKGRDWRITE flag)?
debug.bigcgs
debug.softdep soft updates stats
debug.nlm_debug
debug.if_tun_debug
debug.vn_lock_pair_pause_max Max ticks for vn_lock_pair deadlock avoidance sleep
debug.vn_lock_pair_pause Count of vn_lock_pair deadlocks
debug.vn_io_faults Count of vn_io_fault lock avoidance triggers
debug.vn_io_pgcache_read_enable Enable copying from page cache for reads, avoiding fs
debug.vn_io_fault_prefault Enable vn_io_fault prefaulting
debug.vn_io_fault_enable Enable vn_io_fault lock avoidance
debug.max_vnlru_free limit on vnode free requests per call to the vnlru_free routine
debug.ftry_reclaim_vnode Try to reclaim a vnode by its file descriptor
debug.try_reclaim_vnode Try to reclaim a vnode by its pathname
debug.vnlru_nowhere Number of times the vnlru process ran without success
debug.rush_requests Number of times I/O speeded up (rush requests)
debug.nchash Size of namecache hash table
debug.devfs_iosize_max_clamp Clamp max i/o size to INT_MAX for devices
debug.iosize_max_clamp Clamp max i/o size to INT_MAX
debug.witness Witness Locking
debug.smr SMR Stats
debug.clock_do_io Trigger one-time IO on RTC clocks; 1=read (and discard), 2=write
debug.clock_show_io Enable debug printing of RTC clock I/O; 1=reads, 2=writes, 3=both.
debug.rman_debug rman debug
debug.dump_modinfo pretty-print the bootloader metadata
debug.lock lock debugging
debug.kdb KDB nodes
debug.bioq_batchsize BIOQ batch size
debug.clocktime Enable printing of clocktime debugging
debug.obsolete_panic Panic when obsolete features are used (0 = never, 1 = if osbolete, 2 = if deprecated)
debug.umtx umtx debug
debug.allow_insane_settime do not perform possibly restrictive checks on settime(2) args
debug.ncores Maximum number of generated process corefiles while using index format
debug.kassert kassert options
debug.trace_all_panics Print stack traces on secondary kernel panics
debug.trace_on_panic Print stack trace on kernel panic
debug.debugger_on_trap Run debugger on kernel trap before panic
debug.debugger_on_recursive_panic Run debugger on recursive kernel panic
debug.debugger_on_panic Run debugger on kernel panic
debug.osd OSD debug level
debug.adaptive_machine_arch Adapt reported machine architecture to the ABI of the binary
debug.sizeof Sizeof various things
debug.malloc Kernel malloc debugging options
debug.lockmgr lockmgr debugging
debug.fail_point fail points
debug.cpufreq cpufreq debugging
debug.deadlkres Deadlock resolver
debug.bootverbose Control the output of verbose kernel messages
debug.boothowto Boot control flags, passed from loader
debug.elf32_legacy_coredump include all and only RW pages in core dumps
debug.elf64_legacy_coredump include all and only RW pages in core dumps
debug.gdb GDB settings
debug.gdbcons copy console messages to GDB
debug.uart_force_poll Force UART polling
debug.uart_poll_freq UART poll frequency
debug.mddebug Enable md(4) debug messages
debug.iwi iwi debug level
debug.ipw ipw debug level
debug.acpi ACPI debugging
debug.ddb_use_printf use printf for all ddb output
debug.ddb DDB settings