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CVS log for src/sys/sys/cctr.h

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Default branch: MAIN


Revision 1.5: download - view: text, markup, annotated - select for diffs
Sun May 12 10:34:56 2024 UTC (8 months, 1 week ago) by rillig
Branches: MAIN
CVS tags: perseant-exfatfs-base-20240630, perseant-exfatfs-base, perseant-exfatfs, HEAD
Diff to: previous 1.4: preferred, colored
Changes since revision 1.4: +2 -2 lines
sys/sys: remove CONSTCOND comment from do-while-0 loop

Lint doesn't need this comment anymore, as there is nothing surprising
or unusual about this idiom.

Revision 1.4: download - view: text, markup, annotated - select for diffs
Sat Oct 10 03:05:04 2020 UTC (4 years, 3 months ago) by thorpej
Branches: MAIN
CVS tags: thorpej-ifq-base, thorpej-ifq, thorpej-i2c-spi-conf2-base, thorpej-i2c-spi-conf2, thorpej-i2c-spi-conf-base, thorpej-i2c-spi-conf, thorpej-futex2-base, thorpej-futex2, thorpej-futex-base, thorpej-futex, thorpej-cfargs2-base, thorpej-cfargs2, thorpej-cfargs-base, thorpej-cfargs, thorpej-altq-separation-base, thorpej-altq-separation, netbsd-10-base, netbsd-10-1-RELEASE, netbsd-10-0-RELEASE, netbsd-10-0-RC6, netbsd-10-0-RC5, netbsd-10-0-RC4, netbsd-10-0-RC3, netbsd-10-0-RC2, netbsd-10-0-RC1, netbsd-10, cjep_sun2x-base1, cjep_sun2x-base, cjep_sun2x, cjep_staticlib_x-base1, cjep_staticlib_x-base, cjep_staticlib_x, bouyer-sunxi-drm-base, bouyer-sunxi-drm
Diff to: previous 1.3: preferred, colored
Changes since revision 1.3: +20 -11 lines
Fix cycle counter-based time keeping on Alpha in MP environments by using
a simpler calibration algorithm for the CC timecounter.  Proposed in 2018
by Naruaki Etomi:

    https://mail-index.netbsd.org/tech-kern/2018/01/14/msg022940.html

This patch is largely based on the proposed change, but avoids changing
any other timecounter logic, and re-factors things a bit to keep them
as MI as possible.

Revision 1.1.32.1: download - view: text, markup, annotated - select for diffs
Mon Jun 2 13:24:32 2008 UTC (16 years, 7 months ago) by mjf
Branches: mjf-devfs2
Diff to: previous 1.1: preferred, colored; next MAIN 1.2: preferred, colored
Changes since revision 1.1: +4 -8 lines
Sync with HEAD.

Revision 1.2.2.1: download - view: text, markup, annotated - select for diffs
Sun May 18 12:35:49 2008 UTC (16 years, 8 months ago) by yamt
Branches: yamt-pf42
Diff to: previous 1.2: preferred, colored; next MAIN 1.3: preferred, colored
Changes since revision 1.2: +1 -8 lines
sync with head.

Revision 1.2.4.1: download - view: text, markup, annotated - select for diffs
Fri May 16 02:25:50 2008 UTC (16 years, 8 months ago) by yamt
Branches: yamt-nfs-mp
Diff to: previous 1.2: preferred, colored; next MAIN 1.3: preferred, colored
Changes since revision 1.2: +1 -8 lines
sync with head.

Revision 1.3: download - view: text, markup, annotated - select for diffs
Mon Apr 28 20:24:10 2008 UTC (16 years, 8 months ago) by martin
Branches: MAIN
CVS tags: yamt-pf42-base4, yamt-pf42-base3, yamt-pf42-base2, yamt-pagecache-tag8, yamt-pagecache-base9, yamt-pagecache-base8, yamt-pagecache-base7, yamt-pagecache-base6, yamt-pagecache-base5, yamt-pagecache-base4, yamt-pagecache-base3, yamt-pagecache-base2, yamt-pagecache-base, yamt-pagecache, yamt-nfs-mp-base9, yamt-nfs-mp-base8, yamt-nfs-mp-base7, yamt-nfs-mp-base6, yamt-nfs-mp-base5, yamt-nfs-mp-base4, yamt-nfs-mp-base3, yamt-nfs-mp-base2, yamt-nfs-mp-base11, yamt-nfs-mp-base10, wrstuden-revivesa-base-4, wrstuden-revivesa-base-3, wrstuden-revivesa-base-2, wrstuden-revivesa-base-1, wrstuden-revivesa-base, wrstuden-revivesa, uebayasi-xip-base7, uebayasi-xip-base6, uebayasi-xip-base5, uebayasi-xip-base4, uebayasi-xip-base3, uebayasi-xip-base2, uebayasi-xip-base1, uebayasi-xip-base, uebayasi-xip, tls-maxphys-base-20171202, tls-maxphys-base, tls-maxphys, tls-earlyentropy-base, tls-earlyentropy, simonb-wapbl-nbase, simonb-wapbl-base, simonb-wapbl, rmind-uvmplock-nbase, rmind-uvmplock-base, rmind-uvmplock, rmind-smpnet-nbase, rmind-smpnet-base, rmind-smpnet, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3, riastradh-drm2-base2, riastradh-drm2-base1, riastradh-drm2-base, riastradh-drm2, prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, phil-wifi-base, phil-wifi-20200421, phil-wifi-20200411, phil-wifi-20200406, phil-wifi-20191119, phil-wifi-20190609, phil-wifi, pgoyette-localcount-base, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, pgoyette-localcount, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, nick-nhusb-base-20170825, nick-nhusb-base-20170204, nick-nhusb-base-20161204, nick-nhusb-base-20161004, nick-nhusb-base-20160907, nick-nhusb-base-20160529, nick-nhusb-base-20160422, nick-nhusb-base-20160319, nick-nhusb-base-20151226, nick-nhusb-base-20150921, nick-nhusb-base-20150606, nick-nhusb-base-20150406, nick-nhusb-base, nick-nhusb, nick-hppapmap-base4, nick-hppapmap-base3, nick-hppapmap-base2, nick-hppapmap-base, nick-hppapmap, netbsd-9-base, netbsd-9-4-RELEASE, netbsd-9-3-RELEASE, netbsd-9-2-RELEASE, netbsd-9-1-RELEASE, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-9, netbsd-8-base, netbsd-8-3-RELEASE, netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, netbsd-7-nhusb-base-20170116, netbsd-7-nhusb-base, netbsd-7-nhusb, netbsd-7-base, netbsd-7-2-RELEASE, netbsd-7-1-RELEASE, netbsd-7-1-RC2, netbsd-7-1-RC1, netbsd-7-1-2-RELEASE, netbsd-7-1-1-RELEASE, netbsd-7-1, netbsd-7-0-RELEASE, netbsd-7-0-RC3, netbsd-7-0-RC2, netbsd-7-0-RC1, netbsd-7-0-2-RELEASE, netbsd-7-0-1-RELEASE, netbsd-7-0, netbsd-7, netbsd-6-base, netbsd-6-1-RELEASE, netbsd-6-1-RC4, netbsd-6-1-RC3, netbsd-6-1-RC2, netbsd-6-1-RC1, netbsd-6-1-5-RELEASE, netbsd-6-1-4-RELEASE, netbsd-6-1-3-RELEASE, netbsd-6-1-2-RELEASE, netbsd-6-1-1-RELEASE, netbsd-6-1, netbsd-6-0-RELEASE, netbsd-6-0-RC2, netbsd-6-0-RC1, netbsd-6-0-6-RELEASE, netbsd-6-0-5-RELEASE, netbsd-6-0-4-RELEASE, netbsd-6-0-3-RELEASE, netbsd-6-0-2-RELEASE, netbsd-6-0-1-RELEASE, netbsd-6-0, netbsd-6, netbsd-5-base, netbsd-5-2-RELEASE, netbsd-5-2-RC1, netbsd-5-2-3-RELEASE, netbsd-5-2-2-RELEASE, netbsd-5-2-1-RELEASE, netbsd-5-2, netbsd-5-1-RELEASE, netbsd-5-1-RC4, netbsd-5-1-RC3, netbsd-5-1-RC2, netbsd-5-1-RC1, netbsd-5-1-5-RELEASE, netbsd-5-1-4-RELEASE, netbsd-5-1-3-RELEASE, netbsd-5-1-2-RELEASE, netbsd-5-1-1-RELEASE, netbsd-5-1, netbsd-5-0-RELEASE, netbsd-5-0-RC4, netbsd-5-0-RC3, netbsd-5-0-RC2, netbsd-5-0-RC1, netbsd-5-0-2-RELEASE, netbsd-5-0-1-RELEASE, netbsd-5-0, netbsd-5, mjf-devfs2-base, matt-premerge-20091211, matt-nb8-mediatek-base, matt-nb8-mediatek, matt-nb6-plus-nbase, matt-nb6-plus-base, matt-nb6-plus, matt-nb5-pq3-base, matt-nb5-pq3, matt-nb5-mips64-u2-k2-k4-k7-k8-k9, matt-nb5-mips64-u1-k1-k5, matt-nb5-mips64-premerge-20101231, matt-nb5-mips64-premerge-20091211, matt-nb5-mips64-k15, matt-nb5-mips64, matt-nb4-mips64-k7-u2a-k9b, matt-mips64-premerge-20101231, matt-mips64-base2, localcount-20160914, khorben-n900, jymxensuspend-base, jym-xensuspend-nbase, jym-xensuspend-base, jym-xensuspend, jruoho-x86intr-base, jruoho-x86intr, jmcneill-usbmp-pre-base2, jmcneill-usbmp-base9, jmcneill-usbmp-base8, jmcneill-usbmp-base7, jmcneill-usbmp-base6, jmcneill-usbmp-base5, jmcneill-usbmp-base4, jmcneill-usbmp-base3, jmcneill-usbmp-base2, jmcneill-usbmp-base10, jmcneill-usbmp-base, jmcneill-usbmp, jmcneill-audiomp3-base, jmcneill-audiomp3, jdolecek-ncq-base, jdolecek-ncq, isaki-audio2-base, isaki-audio2, is-mlppp-base, is-mlppp, hpcarm-cleanup-nbase, haad-nbase2, haad-dm-base2, haad-dm-base1, haad-dm-base, haad-dm, cherry-xenmp-base, cherry-xenmp, bouyer-xenpvh-base2, bouyer-xenpvh-base1, bouyer-xenpvh-base, bouyer-xenpvh, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan, bouyer-quota2-nbase, bouyer-quota2-base, bouyer-quota2, agc-symver-base, agc-symver, ad-namecache-base3, ad-namecache-base2, ad-namecache-base1, ad-namecache-base, ad-namecache, ad-audiomp2-base, ad-audiomp2
Diff to: previous 1.2: preferred, colored
Changes since revision 1.2: +1 -8 lines
Remove clause 3 and 4 from TNF licenses

Revision 1.2: download - view: text, markup, annotated - select for diffs
Sat Apr 5 18:17:36 2008 UTC (16 years, 9 months ago) by tsutsui
Branches: MAIN
CVS tags: yamt-pf42-baseX, yamt-pf42-base, yamt-nfs-mp-base
Branch point for: yamt-pf42, yamt-nfs-mp
Diff to: previous 1.1: preferred, colored
Changes since revision 1.1: +5 -2 lines
Allow MD cycle counter routines to pass their own optimized
tc_get_timecount function to MI cc_init().

Revision 1.1.12.2: download - view: text, markup, annotated - select for diffs
Mon Sep 3 14:46:01 2007 UTC (17 years, 4 months ago) by yamt
Branches: yamt-lazymbuf
Diff to: previous 1.1.12.1: preferred, colored; branchpoint 1.1: preferred, colored; next MAIN 1.2: preferred, colored
Changes since revision 1.1.12.1: +57 -0 lines
sync with head.

Revision 1.1.8.2: download - view: text, markup, annotated - select for diffs
Mon Aug 20 22:07:38 2007 UTC (17 years, 5 months ago) by ad
Branches: vmlocking
Diff to: previous 1.1.8.1: preferred, colored; branchpoint 1.1: preferred, colored; next MAIN 1.2: preferred, colored
Changes since revision 1.1.8.1: +57 -0 lines
Sync with HEAD.

Revision 1.1.6.2: download - view: text, markup, annotated - select for diffs
Wed Aug 15 13:50:52 2007 UTC (17 years, 5 months ago) by skrll
Branches: nick-csl-alignment
Diff to: previous 1.1.6.1: preferred, colored; branchpoint 1.1: preferred, colored; next MAIN 1.2: preferred, colored
Changes since revision 1.1.6.1: +57 -0 lines
Sync with HEAD.

Revision 1.1.34.2: download - view: text, markup, annotated - select for diffs
Sat Jul 21 11:47:09 2007 UTC (17 years, 6 months ago) by tsutsui
Branches: matt-mips64
Diff to: previous 1.1.34.1: preferred, colored; branchpoint 1.1: preferred, colored; next MAIN 1.2: preferred, colored
Changes since revision 1.1.34.1: +57 -0 lines
Add sys/kern/kern_cctr.c, which contains MI cpu cyclecounter based
timecounter(9) support functions split out from sys/arch/x86/x86/tsc.c.
Written by and ok'ed to commit by kardel@.

Also add <sys/cctr.h>, which is copied from #ifdef __HAVE_TIMECOUNTER
part of <sys/cc_microtime.h> to migrate MI kern_cctr.c per each port.

Revision 1.1.34.1
Sat Jul 21 11:47:08 2007 UTC (17 years, 6 months ago) by tsutsui
Branches: matt-mips64
FILE REMOVED
Changes since revision 1.1: +0 -57 lines
file cctr.h was added on branch matt-mips64 on 2007-07-21 11:47:09 +0000

Revision 1.1.12.1
Sat Jul 21 11:47:08 2007 UTC (17 years, 6 months ago) by yamt
Branches: yamt-lazymbuf
FILE REMOVED
Changes since revision 1.1: +0 -57 lines
file cctr.h was added on branch yamt-lazymbuf on 2007-09-03 14:46:01 +0000

Revision 1.1.8.1
Sat Jul 21 11:47:08 2007 UTC (17 years, 6 months ago) by ad
Branches: vmlocking
FILE REMOVED
Changes since revision 1.1: +0 -57 lines
file cctr.h was added on branch vmlocking on 2007-08-20 22:07:37 +0000

Revision 1.1.6.1
Sat Jul 21 11:47:08 2007 UTC (17 years, 6 months ago) by skrll
Branches: nick-csl-alignment
FILE REMOVED
Changes since revision 1.1: +0 -57 lines
file cctr.h was added on branch nick-csl-alignment on 2007-08-15 13:50:52 +0000

Revision 1.1: download - view: text, markup, annotated - select for diffs
Sat Jul 21 11:47:08 2007 UTC (17 years, 6 months ago) by tsutsui
Branches: MAIN
CVS tags: yamt-x86pmap-base4, yamt-x86pmap-base3, yamt-x86pmap-base2, yamt-x86pmap-base, yamt-x86pmap, yamt-lazymbuf-base15, yamt-lazymbuf-base14, yamt-kmem-base3, yamt-kmem-base2, yamt-kmem-base, yamt-kmem, vmlocking2-base3, vmlocking2-base2, vmlocking2-base1, vmlocking2, vmlocking-nbase, vmlocking-base, reinoud-bufcleanup-nbase, reinoud-bufcleanup-base, nick-net80211-sync-base, nick-net80211-sync, nick-csl-alignment-base5, mjf-devfs-base, mjf-devfs, matt-mips64-base, matt-armv6-prevmlocking, matt-armv6-nbase, matt-armv6-base, matt-armv6, keiichi-mipv6-nbase, keiichi-mipv6-base, keiichi-mipv6, jmcneill-pm-base, jmcneill-pm, jmcneill-base, hpcarm-cleanup-base, hpcarm-cleanup, cube-autoconf-base, cube-autoconf, bouyer-xeni386-nbase, bouyer-xeni386-merge1, bouyer-xeni386-base, bouyer-xeni386, bouyer-xenamd64-base2, bouyer-xenamd64-base, bouyer-xenamd64, ad-socklock-base1
Branch point for: yamt-lazymbuf, vmlocking, nick-csl-alignment, mjf-devfs2, matt-mips64
Add sys/kern/kern_cctr.c, which contains MI cpu cyclecounter based
timecounter(9) support functions split out from sys/arch/x86/x86/tsc.c.
Written by and ok'ed to commit by kardel@.

Also add <sys/cctr.h>, which is copied from #ifdef __HAVE_TIMECOUNTER
part of <sys/cc_microtime.h> to migrate MI kern_cctr.c per each port.

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