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Optimize memory.virtual_to_physical() with software TLB #205

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merged 2 commits into from
Jun 20, 2014

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@lukego lukego commented Jun 19, 2014

Speed up address translation using a simple cache at page granularity.

lukego added 2 commits June 19, 2014 10:49
This can be used to cache page-based address translations, such as the
mappings between physical and virtual memory.

Modeled on a hardware Translation Lookaside Buffer:
http://en.wikipedia.org/wiki/Translation_lookaside_buffer
Speeds up address translations. Measurable impact on loadgen
benchmark.
lukego added a commit that referenced this pull request Jun 20, 2014
Optimize memory.virtual_to_physical() with software TLB
@lukego lukego merged commit 92a552a into snabbco:master Jun 20, 2014
@lukego lukego deleted the tlb2 branch March 10, 2015 05:05
dpino pushed a commit to dpino/snabb that referenced this pull request Feb 4, 2016
…te-to-unroll-counter

Don't count tail calls towards loop unroll limit.
eugeneia added a commit to eugeneia/snabb that referenced this pull request Nov 6, 2019
e587f8c55 Merge pull request snabbco#225 from vavrusa/master
5ea3a881e bpf: add missing constants for linux 4.10 - 4.15
2c691e5a7 Merge pull request snabbco#224 from wingo/lseek-syscall-tweak
ae38bdbd7 Make "offset" arg to lseek a signed integer
5cb3b6950 Merge pull request snabbco#221 from wingo/util-ls-fix
8e0874609 Promptly close util.ls() dir fd; fix bug with deleted entries
277517436 Merge pull request snabbco#220 from sileht/master
8e48fd094 linux/nl.lua: Use ndmsg struct instead of rtmsg for neighbors
3e482bc4e Merge pull request snabbco#215 from qsn/gettid
57520cce3 expose gettid
db1a88e94 Merge pull request snabbco#214 from jsitnicki/sof-flags-linux
270a6e611 Add missing type for struct scm_timestamping for Linux
e49232047 Add missing SCM_* constants for Linux timestamping API
60fcc6b48 Add constants for SOF_* flags for Linux
26ac34851 Merge pull request snabbco#210 from alexandergall/linux-if-ioctls
3e6d3e27c Merge pull request snabbco#211 from fperrad/deb
d425a22b2 dummy changelog
b27eca538 update .gitignore
92292aa4b debian files
be257a7e1 debian files generated by lua-create-gitbuildpackage-layout
50a02b94b Add some SIOC{G,S}IF* ioctls for Linux
ee90324 Merge pull request snabbco#209 from justincormack/osx_clock
ee17863 Add CLOCK_ constants for OSX
178d244 Merge pull request snabbco#208 from justincormack/holes
61450f5 Add SEEK_DATA and SEEK_HOLE constants
9a7b584 Add memfd fnctl sealing support
99beaf5 more test fixes for memfd
cc221e4 fix ctest for new fcntl changes, typowq
56c4c76 fix ctest for new fcntl changes
96073cc fix typo
7a73e8a Add more constants for fcntl, memfd
8d3034c Fix ppc64le syscall numbers for newer calls
62828f6 Merge pull request snabbco#206 from johnae/master
c4002b6 The spook project is using ljsyscall.
0b266e8 Merge pull request snabbco#205 from lukego/close-fd-safely
ad91aa9 Add more protection against fd double-close
c8baf9e Merge pull request snabbco#202 from justincormack/dockerignore
66843c5 Use dockerignore to simplify Dockerfile
7b7211d Merge pull request snabbco#200 from justincormack/redo-dockerfile
a779caa Docker Cloud does not start processes at priority 0, remove from test
b85382d Rework Dockerfile and tests
24f7789 Merge pull request snabbco#199 from vavrusa/master
2ecf486 linux/constants: added new BPF map and prog types
00c1949 use Alpine 3.4 for docker build
0bcafc6 Merge pull request snabbco#196 from kbara/removecunused
a4217a8 Merge pull request snabbco#195 from kbara/fixgetcpu
ee67430 Remove unused variables from c.lua
4b2e0b2 Fix getcpu: the cpu argument was incorrectly given the node variable previously
214550a update changelog and rockspec for 0.12 release
21f3fd8 Merge pull request snabbco#192 from vavrusa/master
0da437f linux/bpf_prog_load: support custom kernel builds
9981190 fix missing vhangup
f245114 Merge pull request snabbco#191 from vavrusa/linux-perf-open
93558c1 linux: added support for tracing/performance counters
0511fb8 Merge pull request snabbco#190 from vavrusa/master
1f141ca linux: added new constants (e.g. attach BPF to socket)
36274f3 linux/bpf: added strflag support
4fd3bd6 Merge pull request snabbco#189 from vavrusa/master
aaa89cb linux: added support for eBPF
e095295 linux: added new syscall numbers (up to __nr_bpf)
1e079c4 test calls container so just needs file to run
d92625e define a docker compose test
5f14711 Merge pull request snabbco#188 from aperezdc/fix-if-nameindex
8915a83 Close socket immediately after error in if_nametoindex()
96c0286 use addons for travis, as learned at fosdem
71241e0 update changelog for unreleased changes
559b499 ignore audit arch constant
5d867d3 new architectures do not have open, will use openat
49d9ff9 test issues with new constants
7cd460e aarch64 audit constants for seccomp
6249e99 more docker examples
dd00af9 rockspec fix
d20033b rockspec for new release
fb17244 update copyright years
9d87597 more Changelog tweaks before release
53856b0 typo
1881526 sometimes winsz is 0, eg if terminal not set up
ab0c08d add error message
a1c207e update Changelog for forthcoming 0.11 release
ce12fb2 addDocker hub to README
602a2b3 fix osx fstatat to use 32 bit stat type, as cannot find how to call to get 64 bit one
8a0a6ad Now have arm machines with working seccomp
d14bd38 Appears that setting maac address on lo often works
6e878a1 remove debug print from test
30e9b5b allow skip on EPERM for adjtimex
bff3e90 Add strace in Docker image for convenient debugging
e67fa31 Use alpine 3.3 for Docker
5148bc3 fix ipv6 tests
185c1a6 more failures with no ipv6
98cc9a2 more fixes for ipv4 only environments for netlink tests
248a935 fix bind errors in environments that do not support ipv6
0eacd64 clean up travis file
5fb71b6 switch to newer Ubuntu in travis
8235724 fix more constant checks not in headers
8dff4ef constants missing on travis
db51b08 update Changelog
7540b04 add new rtnetlink values, so tests work under docker
22604b8 remove test that fails in some environments
d431693 fix waitid test under docker
1595b7d fix swap test under docker
321fdd2 Now an alpine package available
984b533 Add Dockerfile, fix some of the tests that made unreasonable assumptions
9aeff88 recent osx has *at functions
18cd829 better handling for xattr errors
b6bb892 freebsd 11 now has utimensat
7065b0d on freebsd/zfs chflags will fail, skip

git-subtree-dir: lib/ljsyscall
git-subtree-split: e587f8c55aad3955dddab3a4fa6c1968037b5c6e
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