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nohz: Optimize full dynticks state checks with static keys
2013-08-14
Frederic Weisbecker
nohz: Optimize full dynticks state checks with static...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-14
Frederic Weisbecker
nohz: Rename a few state variables
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-14
Frederic Weisbecker
vtime: Always debug check snapshot source _before_...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-14
Frederic Weisbecker
vtime: Always scale generic vtime accounting results
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-14
Frederic Weisbecker
vtime: Optimize full dynticks accounting off case with...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-14
Frederic Weisbecker
vtime: Describe overriden functions in dedicated arch...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-14
Frederic Weisbecker
m68k: hardirq_count() only need preempt_mask.h
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-14
Frederic Weisbecker
hardirq: Split preempt count mask definitions
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-14
Frederic Weisbecker
context_tracking: Split low level state headers
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-14
Frederic Weisbecker
vtime: Fix racy cputime delta update
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-14
Frederic Weisbecker
vtime: Remove a few unneeded generic vtime state checks
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-14
Frederic Weisbecker
context_tracking: User/kernel broundary cross trace...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-14
Frederic Weisbecker
context_tracking: Optimize context switch off case...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-14
Frederic Weisbecker
context_tracking: Optimize guest APIs off case with...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-14
Frederic Weisbecker
context_tracking: Optimize main APIs off case with...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-14
Frederic Weisbecker
context_tracking: Ground setup for static key use
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-12
Frederic Weisbecker
context_tracking: Remove full dynticks' hacky dependency...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-12
Frederic Weisbecker
nohz: Only enable context tracking on full dynticks...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-12
Frederic Weisbecker
context_tracking: Fix runtime CPU off-case
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-12
Frederic Weisbecker
vtime: Update a few comments
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-12
Frederic Weisbecker
context_tracing: Fix guest accounting with native vtime
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-08-12
Frederic Weisbecker
sched: Consolidate open coded preemptible() checks
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-07-24
Li Zhong
nohz: fix compile warning in tick_nohz_init()
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-07-24
Steven Rostedt
nohz: Do not warn about unstable tsc unless user uses...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-07-04
KOSAKI Motohiro
posix-cpu-timers: don't account cpu timer after stopped...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-07-03
Frederic Weisbecker
posix_timers: fix racy timer delta caching on task...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-07-03
Frederic Weisbecker
posix-timers: correctly get dying task time sample...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-07-03
Frederic Weisbecker
selftests: add basic posix timers selftests
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-07-03
Frederic Weisbecker
posix_cpu_timers: consolidate expired timers check
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-07-03
Frederic Weisbecker
posix_cpu_timers: consolidate timer list cleanups
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-07-03
Frederic Weisbecker
posix_cpu_timer: consolidate expiry time type
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-06-20
Frederic Weisbecker
nohz: Remove obsolete check for full dynticks CPUs...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-06-20
Frederic Weisbecker
watchdog: Boot-disable by default on full dynticks
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-06-20
Frederic Weisbecker
watchdog: Rename confusing state variable
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-06-19
Frederic Weisbecker
watchdog: Register / unregister watchdog kthreads on...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-06-19
Steven Rostedt
nohz: Warn if the machine can not perform nohz_full
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-05-04
Frederic Weisbecker
sched: Keep at least 1 tick per second for active dynticks...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-05-04
Frederic Weisbecker
rcu: Fix full dynticks' dependency on wide RCU nocb...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-05-02
Frederic Weisbecker
Merge commit '8700c95adb03' into timers/nohz
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-26
Kevin Hilman
cputime_nsecs: use math64.h for nsec resolution conversion...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-26
Frederic Weisbecker
nohz: Select VIRT_CPU_ACCOUNTING_GEN from full dynticks...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-24
Frederic Weisbecker
nohz: Remove full dynticks' superfluous dependency...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-24
Frederic Weisbecker
nohz: Fix unavailable tick_stop tracepoint in dynticks...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-22
Frederic Weisbecker
nohz: Add basic tracing
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-22
Frederic Weisbecker
nohz: Select wide RCU nocb for full dynticks
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-22
Frederic Weisbecker
nohz: Disable the tick when irq resume in full dynticks CPU
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-22
Frederic Weisbecker
nohz: Re-evaluate the tick for the new task after a...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-22
Frederic Weisbecker
nohz: Prepare to stop the tick on irq exit
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-22
Frederic Weisbecker
nohz: Implement full dynticks kick
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-22
Frederic Weisbecker
nohz: Re-evaluate the tick from the scheduler IPI
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-22
Frederic Weisbecker
sched: New helper to prevent from stopping the tick...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-22
Frederic Weisbecker
sched: Kick full dynticks CPU that have more than one...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-22
Frederic Weisbecker
perf: New helper to prevent full dynticks CPUs from...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-22
Frederic Weisbecker
perf: Kick full dynticks CPU if events rotation is...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-22
Frederic Weisbecker
posix_timers: Fix pre-condition to stop the tick on...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-19
Frederic Weisbecker
posix_timers: New API to prevent from stopping the...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-19
Frederic Weisbecker
posix_timers: Kick full dynticks CPUs when a posix...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-19
Frederic Weisbecker
nohz: New option to default all CPUs in full dynticks...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-19
Frederic Weisbecker
nohz: Ensure full dynticks CPUs are RCU nocbs
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-19
Frederic Weisbecker
nohz: Force boot CPU outside full dynticks range
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-18
Frederic Weisbecker
nohz: New APIs to re-evaluate the tick on full dynticks...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-15
Paul E. McKenney
rcu: Kick adaptive-ticks CPUs that are holding up RCU...
...inspired by an earlier patch by
Frederic Weisbecker
, therefore
Reported-by:
Frederic Weisbecker
<fweisbec@gmail.com>
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-15
Frederic Weisbecker
nohz: Improve a bit the full dynticks Kconfig documentation
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-15
Frederic Weisbecker
nohz: Align periodic tick Kconfig with other choices...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-15
Frederic Weisbecker
nohz: Switch from "extended nohz" to "full nohz" based...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-15
Frederic Weisbecker
nohz: Fix old dynticks idle Kconfig backward compatibility
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-03
Frederic Weisbecker
nohz: Print final full dynticks CPUs range on boot
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-03
Frederic Weisbecker
nohz: Pack nohz Kconfig option in a menu of choices
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-03
Frederic Weisbecker
nohz: Rename CONFIG_NO_HZ to CONFIG_NO_HZ_COMMON
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-04-02
Frederic Weisbecker
nohz: Unhide full dynticks feature from its dependencies
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-03-21
Frederic Weisbecker
nohz: Wake up full dynticks CPUs when a timer gets...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-03-21
Frederic Weisbecker
nohz: Assign timekeeping duty to a CPU outside the...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-03-21
Frederic Weisbecker
nohz: Basic full dynticks interface
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-03-13
Frederic Weisbecker
sched: Lower chances of cputime scaling overflow
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-03-13
Frederic Weisbecker
math64: New div64_u64_rem helper
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-03-07
Frederic Weisbecker
context_tracking: Enable probes by default for selftesting
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-03-07
Frederic Weisbecker
cputime: Dynamically scale cputime for full dynticks...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-03-07
Frederic Weisbecker
context_tracking: Restore preempted context state after...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-03-07
Frederic Weisbecker
context_tracking: Restore correct previous context...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-03-07
Frederic Weisbecker
context_tracking: Move exception handling to generic...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-02-28
Frederic Weisbecker
irq: Don't re-enable interrupts at the end of irq_exit
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-02-21
Frederic Weisbecker
irq: Remove IRQ_EXIT_OFFSET workaround
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-02-04
Frederic Weisbecker
Merge branch 'nohz/printk-v8' into irq/core
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-01-27
Frederic Weisbecker
cputime: Safely read cputime of full dynticks CPUs
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-01-27
Frederic Weisbecker
kvm: Prepare to add generic guest entry/exit callbacks
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-01-27
Frederic Weisbecker
cputime: Use accessors to read task cputime stats
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-01-27
Frederic Weisbecker
cputime: Allow dynamic switch between tick/virtual...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-01-27
Frederic Weisbecker
cputime: Generic on-demand virtual cputime accounting
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-01-27
Frederic Weisbecker
cputime: Move default nsecs_to_cputime() to jiffies...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-01-27
Frederic Weisbecker
cputime: Librarize per nsecs resolution cputime definitions
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2013-01-26
Frederic Weisbecker
context_tracking: Export context state for generic...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2012-11-28
Frederic Weisbecker
cputime: Comment cputime's adjusting code
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2012-11-28
Frederic Weisbecker
cputime: Consolidate cputime adjustment code
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2012-11-28
Frederic Weisbecker
cputime: Rename thread_group_times to thread_group_cputime_a...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2012-11-28
Frederic Weisbecker
cputime: Move thread_group_cputime() to sched code
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2012-11-20
Frederic Weisbecker
vtime: Warn if irqs aren't disabled on system time...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2012-11-19
Frederic Weisbecker
vtime: No need to disable irqs on vtime_account()
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2012-11-19
Frederic Weisbecker
vtime: Consolidate a bit the ctx switch code
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2012-11-19
Frederic Weisbecker
vtime: Explicitly account pending user time on process...
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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2012-11-19
Frederic Weisbecker
vtime: Remove the underscore prefix invasion
Signed-off-by:
Frederic Weisbecker
<fweisbec@gmail.com>
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