On Thu, 2005-09-29 at 17:40 -0700, john stultz wrote: > All, > Here is the cumulative patch for my generic timekeeping rework (v. B6). > Individual broken out patches to follow. This patch provides the NTP > changes, the timesource abstraction, the core timekeeping code as well > as the code to convert the i386 arch. > > New in this release: > o Minimized the NTP changes needed to better facilitate discussion > o Maintains both timespec and nsec_t timekeeping values to improve > performance. > o Implemented a first pass at Roman's idea for fixed interval time > accounting in the interrupt hot-path. More optimizations are likely to > follow, but this hopefully illustrates some improvement and forward > progress. > o Added hooks to allow unified code between systems with continuous > hardware timesource and those that require tick/offset time accounting > without the performance penalty the old method would cause. > > Notes: > Some of these changes have affected the codes readability, but hopefully > this will be resolved in future versions. > > Since its been awhile since the last release, I'd not be surprised if a > few regressions have shown up. I've tested this on my laptop, but not > very widely. Any problem reports would be greatly appreciated. > > This patch should apply against Linus' git tree from today. > > Please let me know if you have any comments or feedback. > > thanks > -john > > > arch/i386/kernel/timers/Makefile | 9 > arch/i386/kernel/timers/common.c | 172 ------- > arch/i386/kernel/timers/timer.c | 75 --- > arch/i386/kernel/timers/timer_cyclone.c | 259 ----------- > arch/i386/kernel/timers/timer_hpet.c | 212 --------- > arch/i386/kernel/timers/timer_none.c | 39 - > arch/i386/kernel/timers/timer_pit.c | 176 ------- > arch/i386/kernel/timers/timer_pm.c | 268 ----------- > arch/i386/kernel/timers/timer_tsc.c | 595 -------------------------- > b/Documentation/kernel-parameters.txt | 7 > b/arch/i386/Kconfig | 4 > b/arch/i386/kernel/Makefile | 3 > b/arch/i386/kernel/acpi/boot.c | 14 > b/arch/i386/kernel/i8259.c | 40 + > b/arch/i386/kernel/setup.c | 1 > b/arch/i386/kernel/time.c | 220 +-------- > b/arch/i386/kernel/tsc.c | 306 +++++++++++++ > b/arch/i386/lib/delay.c | 16 > b/drivers/Makefile | 1 > b/drivers/acpi/processor_idle.c | 6 > b/drivers/char/hangcheck-timer.c | 5 > b/drivers/timesource/Makefile | 8 > b/drivers/timesource/acpi_pm.c | 152 ++++++ > b/drivers/timesource/cyclone.c | 138 ++++++ > b/drivers/timesource/hpet.c | 59 ++ > b/drivers/timesource/i386_pit.c | 63 ++ > b/drivers/timesource/jiffies.c | 74 +++ > b/drivers/timesource/tsc-interp.c | 112 ++++ > b/drivers/timesource/tsc.c | 92 ++++ > b/include/asm-generic/timeofday.h | 26 + > b/include/asm-i386/mach-default/mach_timer.h | 4 > b/include/asm-i386/mach-summit/mach_mpparse.h | 2 > b/include/asm-i386/timeofday.h | 4 > b/include/asm-i386/timer.h | 57 -- > b/include/asm-i386/timex.h | 34 - > b/include/asm-i386/tsc.h | 50 ++ > b/include/linux/time.h | 4 > b/include/linux/timeofday.h | 83 +++ > b/include/linux/timesource.h | 172 +++++++ > b/include/linux/timex.h | 33 + > b/init/main.c | 2 > b/kernel/Makefile | 1 > b/kernel/time.c | 90 ++- > b/kernel/timeofday.c | 575 +++++++++++++++++++++++++ > b/kernel/timer.c | 305 ++++++++----- > b/kernel/timesource.c | 259 +++++++++++ > 46 files changed, 2583 insertions(+), 2244 deletions(-) Ack. I just realized I might hit size restrictions on lkml. bz'ed patch attached. Sorry, -john
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