Searched hist:"24514292 fa6e66d4ccd79de128f8bbb41cc9664e" (Results 1 – 2 of 2) sorted by relevance
/freebsd/sys/i386/i386/ |
H A D | mp_clock.c | diff 24514292fa6e66d4ccd79de128f8bbb41cc9664e Mon Sep 20 09:52:39 CEST 1999 Poul-Henning Kamp <phk@FreeBSD.org> On PIIX4 based SMP systems use the PMTMR register for timecounting.
It is about 2.5 microseconds or roughly 3 times faster to use this "PIIX" timecounter than the "i8254" timecounter. Resolution is also 3 times better.
The code cheats and don't register the PCI device, because other pieces of code want to use it too.
Originally spotted by: msmith 24514292fa6e66d4ccd79de128f8bbb41cc9664e Mon Sep 20 09:52:39 CEST 1999 Poul-Henning Kamp <phk@FreeBSD.org> On PIIX4 based SMP systems use the PMTMR register for timecounting.
It is about 2.5 microseconds or roughly 3 times faster to use this "PIIX" timecounter than the "i8254" timecounter. Resolution is also 3 times better.
The code cheats and don't register the PCI device, because other pieces of code want to use it too.
Originally spotted by: msmith
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/freebsd/sys/conf/ |
H A D | files.i386 | diff 24514292fa6e66d4ccd79de128f8bbb41cc9664e Mon Sep 20 09:52:39 CEST 1999 Poul-Henning Kamp <phk@FreeBSD.org> On PIIX4 based SMP systems use the PMTMR register for timecounting.
It is about 2.5 microseconds or roughly 3 times faster to use this "PIIX" timecounter than the "i8254" timecounter. Resolution is also 3 times better.
The code cheats and don't register the PCI device, because other pieces of code want to use it too.
Originally spotted by: msmith diff 24514292fa6e66d4ccd79de128f8bbb41cc9664e Mon Sep 20 09:52:39 CEST 1999 Poul-Henning Kamp <phk@FreeBSD.org> On PIIX4 based SMP systems use the PMTMR register for timecounting.
It is about 2.5 microseconds or roughly 3 times faster to use this "PIIX" timecounter than the "i8254" timecounter. Resolution is also 3 times better.
The code cheats and don't register the PCI device, because other pieces of code want to use it too.
Originally spotted by: msmith
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