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Show All 25 Lines | NOTE TO PEOPLE WHO THINK THAT FreeBSD 12.x IS SLOW: | ||||
includes various WITNESS- related kernel options, INVARIANTS, malloc | includes various WITNESS- related kernel options, INVARIANTS, malloc | ||||
debugging flags in userland, and various verbose features in the | debugging flags in userland, and various verbose features in the | ||||
kernel. Many developers choose to disable these features on build | kernel. Many developers choose to disable these features on build | ||||
machines to maximize performance. (To completely disable malloc | machines to maximize performance. (To completely disable malloc | ||||
debugging, define MALLOC_PRODUCTION in /etc/make.conf, or to merely | debugging, define MALLOC_PRODUCTION in /etc/make.conf, or to merely | ||||
disable the most expensive debugging functionality run | disable the most expensive debugging functionality run | ||||
"ln -s 'abort:false,junk:false' /etc/malloc.conf".) | "ln -s 'abort:false,junk:false' /etc/malloc.conf".) | ||||
20180705: | |||||
The ABI of syscalls used by management tools like sockstat and | |||||
netstat has been broken to allow 32-bit binaries to work on | |||||
64-bit kernels without modification. These programs will need | |||||
to match the kernel in order to function. External programs may | |||||
require minor modifications to accommodate a change of type in | |||||
structures from pointers to 64-bit virtual addresses. | |||||
20180702: | 20180702: | ||||
On i386 and amd64 atomics are now inlined. Out of tree modules using | On i386 and amd64 atomics are now inlined. Out of tree modules using | ||||
atomics will need to be rebuilt. | atomics will need to be rebuilt. | ||||
20180701: | 20180701: | ||||
The '%I' format in the kern.corefile sysctl limits the number of | The '%I' format in the kern.corefile sysctl limits the number of | ||||
core files that a process can generate to the number stored in the | core files that a process can generate to the number stored in the | ||||
debug.ncores sysctl. The '%I' format is replaced by the single digit | debug.ncores sysctl. The '%I' format is replaced by the single digit | ||||
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