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opnsense-src/sys/powerpc/include
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Andrew Gallatin 1cac76c93f vm: reduce lock contention when processing vm batchqueues 
Rather than waiting until the batchqueue is full to acquire the lock &
process the queue, we now start trying to acquire the lock using trylocks
when the batchqueue is 1/2 full. This removes almost all contention on the
vm pagequeue mutex for for our busy sendfile() based web workload.
It also greadly reduces the amount of time a network driver ithread
remains blocked on a mutex, and eliminates some packet drops under
heavy load.

So that the system does not loose the benefit of processing large
batchqueues, I've doubled the size of the batchqueues. This way, when
there is no contention, we process the same batch size as before.

This has been run for several months on a busy Netflix server, as well
as on my personal desktop.

Reviewed by: markj
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D37305
2022-12-14 14:34:07 -05:00
..
_align.h
_bus.h Regularize my copyright notice 2019-12-04 16:56:11 +00:00
_inttypes.h
_limits.h
_stdint.h
_types.h Reduce code duplication in machine/_types.h 2021-06-14 16:30:16 +01:00
altivec.h powerpc: clean up empty lines in .c and .h files 2020-09-01 21:20:08 +00:00
asm.h Add CFI start/end proc directives to arm64, i386, and ppc 2020-12-05 00:33:28 +00:00
atomic.h Remove checks for <sys/cdefs.h> being included. 2022-04-12 10:06:18 -07:00
bat.h powerpc: clean up empty lines in .c and .h files 2020-09-01 21:20:08 +00:00
bus.h Add missing assignment forgotten in r365899 2020-09-20 15:11:52 +00:00
bus_dma.h Rename struct device to struct _device 2021-04-12 09:32:30 -04:00
clock.h
counter.h Centralize __pcpu definitions. 2019-08-29 07:25:27 +00:00
cpu.h Simplify swi for bus_dma. 2021-12-28 13:51:25 -08:00
cpufunc.h powerpc: change mfpvr return type to uint32_t 2021-07-28 14:08:19 -03:00
db_machdep.h [PowerPC] kernel ifunc support for powerpc*, fix ppc64 relocation oddities. 2020-05-07 19:32:49 +00:00
dbdma.h
dump.h minidump: Use the provided dump bitset 2021-11-19 15:05:52 -04:00
efi.h
elf.h [PowerPC64LE] Adjust ELF definitions for LE. 2020-09-13 17:36:43 +00:00
endian.h Consolidate machine/endian.h definitions 2021-03-26 19:00:22 -03:00
exec.h
float.h
floatingpoint.h
fpu.h [POWERPC] Floating-Point Exception trap support 2020-11-06 13:34:30 +00:00
frame.h
gdb_machdep.h gdb: report specific stop reason for watchpoints 2021-03-30 11:36:41 -03:00
hid.h
ieee.h
ieeefp.h
ifunc.h [PowerPC] Define powerpc IFUNC kernel/userspace ABI. 2019-12-24 20:13:29 +00:00
in_cksum.h machine/in_cksum.h: don't include sys/cdefs.h 2022-04-18 21:02:19 +01:00
intr_machdep.h Add NUMA support to powerpc 2019-04-13 04:03:18 +00:00
kdb.h Introduce kdb-level watchpoint functions 2021-03-29 12:05:43 -03:00
limits.h Remove checks for __CC_SUPPORTS_WARNING assuming it is always true. 2022-04-12 10:06:13 -07:00
machdep.h powerpc: Axe PPC4xx support. 2020-03-18 01:09:43 +00:00
md_var.h Remove dead code. 2022-04-26 19:40:59 +03:00
memdev.h Add the MEM_EXTRACT_PADDR ioctl to /dev/mem. 2020-09-02 18:12:47 +00:00
metadata.h
minidump.h Sparsify the vm_page_dump bitmap 2020-09-21 22:21:59 +00:00
mmuvar.h pmap_unmapdev/bios: Accept a pointer instead of a vm_offset_t. 2022-09-22 15:08:52 -07:00
ofw_machdep.h powerpc: Fix the NUMA domain list on powernv 2020-01-18 01:26:54 +00:00
openpicreg.h powerpc: clean up empty lines in .c and .h files 2020-09-01 21:20:08 +00:00
openpicvar.h Remove unused openpic_devclass. 2022-05-10 10:21:38 -07:00
param.h [PowerPC64LE] Set up powerpc.powerpc64le architecture 2020-09-22 23:49:30 +00:00
pcb.h [PowerPC64LE] Fix LE VSX/fpr interop 2020-12-03 01:39:59 +00:00
pcpu.h Remove PCPU_INC 2021-03-20 19:23:59 -07:00
pcpu_aux.h Centralize __pcpu definitions. 2019-08-29 07:25:27 +00:00
pio.h powerpc: clean up empty lines in .c and .h files 2020-09-01 21:20:08 +00:00
platform.h powerpc: Fix the NUMA domain list on powernv 2020-01-18 01:26:54 +00:00
platformvar.h
pmap.h pmap_unmapdev/bios: Accept a pointer instead of a vm_offset_t. 2022-09-22 15:08:52 -07:00
pmc_mdep.h powerpc64: add Power8 and Power9 PMCs 2021-07-26 10:27:23 -03:00
proc.h Make struct syscall_args machine independent 2021-12-08 18:45:33 +00:00
procctl.h amd64 KPTI: add control from procctl(2). 2019-03-16 11:44:33 +00:00
profile.h powerpc: Axe PPC4xx support. 2020-03-18 01:09:43 +00:00
psl.h [POWERPC] Floating-Point Exception trap support 2020-11-06 13:34:30 +00:00
pte.h Implement superpages for PowerPC64 (HPT) 2020-11-06 14:12:45 +00:00
ptrace.h
reg.h powerpc: Make machine/reg.h self-contained 2021-11-23 21:21:18 -07:00
reloc.h
resource.h powerpc/booke: Simplify the MPC85XX PCIe root complex driver 2019-10-24 03:51:33 +00:00
rtas.h powerpc: clean up empty lines in .c and .h files 2020-09-01 21:20:08 +00:00
runq.h
sc_machdep.h
setjmp.h
sigframe.h
signal.h
slb.h Implement superpages for PowerPC64 (HPT) 2020-11-06 14:12:45 +00:00
smp.h Add NUMA support to powerpc 2019-04-13 04:03:18 +00:00
spr.h Wrap the default SPE config in its own #define 2021-05-29 21:53:26 -05:00
sr.h powerpc64: Implement Radix MMU for POWER9 CPUs 2020-05-11 02:33:37 +00:00
stack.h
stdarg.h
sysarch.h
tlb.h powerpc: Axe PPC4xx support. 2020-03-18 01:09:43 +00:00
tls.h Add <machine/tls.h> header to hold MD constants and helpers for TLS. 2021-12-09 13:17:13 -08:00
trap.h powerpc: clean up empty lines in .c and .h files 2020-09-01 21:20:08 +00:00
ucontext.h
vdso.h [PowerPC] Implement VDSO timebase access on powerpc* 2020-09-08 03:00:31 +00:00
vm.h Create VM_MEMATTR_DEVICE on all architectures 2021-04-12 06:15:31 +00:00
vmparam.h vm: reduce lock contention when processing vm batchqueues 2022-12-14 14:34:07 -05:00