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(parent: ee09cc6) | patch
kernel - Simple code path optimizations
authorMatthew Dillon <dillon@apollo.backplane.com>
Wed, 26 Feb 2020 06:05:43 +0000 (22:05 -0800)
committerMatthew Dillon <dillon@apollo.backplane.com>
Wed, 26 Feb 2020 06:05:43 +0000 (22:05 -0800)
commit2ff21866646c375554d68d9786f54f5ae72f6aeb
tree0781253ef0b827e71daaf85ffa83005aebb5fd95tree | snapshot
parentee09cc60d22ee912e69f15d20ddebfe520b3ea68commit | diff
kernel - Simple code path optimizations

* Add __read_mostly and __read_frequently to numerous variables as
  appropriate to reduce unnecessary cache line ping-ponging.

* Adjust conditionals in the syscall code with __predict_true/false
  to clean up the execution path.
sys/kern/kern_clock.c diff | blob | blame | history
sys/kern/kern_exec.c diff | blob | blame | history
sys/kern/kern_shutdown.c diff | blob | blame | history
sys/kern/vfs_cache.c diff | blob | blame | history
sys/net/netisr.c diff | blob | blame | history
sys/platform/pc64/x86_64/trap.c diff | blob | blame | history
sys/platform/vkernel64/x86_64/trap.c diff | blob | blame | history
sys/sys/ktr.h diff | blob | blame | history
sys/sys/ktrace.h diff | blob | blame | history
sys/sys/proc.h diff | blob | blame | history
sys/vm/vm_map.c diff | blob | blame | history
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