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path: root/include/linux/clocksource.h
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2007-02-16[PATCH] clocksource: Remove the update callbackThomas Gleixner1-2/+0
The clocksource code allows direct updates of the rating of a given clocksource now. Change TSC unstable tracking to use this interface and remove the update callback. Signed-off-by: Thomas Gleixner <[email protected]> Signed-off-by: Ingo Molnar <[email protected]> Cc: john stultz <[email protected]> Cc: Roman Zippel <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2007-02-16[PATCH] clocksource: replace is_continuous by a flag fieldThomas Gleixner1-2/+8
Using a flag filed allows to encode more than one information into a variable. Preparatory patch for the generic clocksource verification. [[email protected]: convert vmitime.c to the new clocksource flag] Signed-off-by: Thomas Gleixner <[email protected]> Signed-off-by: Ingo Molnar <[email protected]> Cc: john stultz <[email protected]> Cc: Roman Zippel <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2007-02-16[PATCH] Simplify the registration of clocksourcesThomas Gleixner1-3/+3
Enqueue clocksources in rating order to make selection of the clocksource easier. Also check the match with an user override at enqueue time. Preparatory patch for the generic clocksource verification. Signed-off-by: Thomas Gleixner <[email protected]> Signed-off-by: Ingo Molnar <[email protected]> Cc: john stultz <[email protected]> Cc: Roman Zippel <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-12-10[PATCH] clocksource: small cleanupDaniel Walker1-1/+1
Mostly changing alignment. Just some general cleanup. [[email protected]: build fix] Signed-off-by: Daniel Walker <[email protected]> Acked-by: John Stultz <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Ingo Molnar <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-06-26[PATCH] fix and optimize clock source updateRoman Zippel1-104/+9
This fixes the clock source updates in update_wall_time() to correctly track the time coming in via current_tick_length(). Optimize the fast paths to be as short as possible to keep the overhead low. Signed-off-by: Roman Zippel <[email protected]> Acked-by: John Stultz <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-06-26[PATCH] generic-time: add macro to simplify/hide mask constantsJim Cromie1-0/+2
Add a CLOCKSOURCE_MASK macro to simplify initializing the mask for a struct clocksource, and use it to replace literal mask constants in the various clocksource drivers. Signed-off-by: Jim Cromie <[email protected]> Acked-by: John Stultz <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-06-26[PATCH] time: rename clocksource functionsjohn stultz1-7/+7
As suggested by Roman Zippel, change clocksource functions to use clocksource_xyz rather then xyz_clocksource to avoid polluting the namespace. Signed-off-by: John Stultz <[email protected]> Cc: Roman Zippel <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-06-26[PATCH] Time: Use clocksource abstraction for NTP adjustmentsjohn stultz1-0/+97
Instead of incrementing xtime by tick_nsec + ntp adjustments, use the clocksource abstraction to increment and scale time. Using the clocksource abstraction allows other clocksources to be used consistently in the face of late or lost ticks, while preserving the existing behavior via the jiffies clocksource. This removes the need to keep time_phase adjustments as we just use the current_tick_length() function as the NTP interface and accumulate time using shifted nanoseconds. The basics of this design was by Roman Zippel, however it is my own interpretation and implementation, so the credit should go to him and the blame to me. Signed-off-by: John Stultz <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-06-26[PATCH] Time: Clocksource Infrastructurejohn stultz1-0/+181
This introduces the clocksource management infrastructure. A clocksource is a driver-like architecture generic abstraction of a free-running counter. This code defines the clocksource structure, and provides management code for registering, selecting, accessing and scaling clocksources. Additionally, this includes the trivial jiffies clocksource, a lowest common denominator clocksource, provided mainly for use as an example. [[email protected]: Don't enable IRQ too early] Signed-off-by: John Stultz <[email protected]> Signed-off-by: Ingo Molnar <[email protected]> Signed-off-by: Paul Mundt <[email protected]> Signed-off-by: John Stultz <[email protected]> Signed-off-by: OGAWA Hirofumi <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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