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d57af9b214
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Michael Holzheu d57af9b214 taskstats: use real microsecond granularity for CPU times 
The taskstats interface uses microsecond granularity for the user and
system time values.  The conversion from cputime to the taskstats values
uses the cputime_to_msecs primitive which effectively limits the
granularity to milliseconds.  Add the cputime_to_usecs primitive for
architectures that have better, more precise CPU time values.  Remove
cputime_to_msecs primitive because there are no more users left.

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Luck Tony <tony.luck@intel.com>
Cc: Shailabh Nagar <nagar1234@in.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Shailabh Nagar <nagar@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-27 18:03:17 -07:00
..
alpha ptrace: change signature of arch_ptrace() 2010-10-27 18:03:10 -07:00
arm ptrace: cleanup arch_ptrace() on ARM 2010-10-27 18:03:10 -07:00
avr32 ptrace: cleanup arch_ptrace() on avr32 2010-10-27 18:03:10 -07:00
blackfin ptrace: cleanup arch_ptrace() and friends on Blackfin 2010-10-27 18:03:10 -07:00
cris ptrace: cleanup arch_ptrace() on cris 2010-10-27 18:03:10 -07:00
frv ptrace: cleanup arch_ptrace() on frv 2010-10-27 18:03:10 -07:00
h8300 ptrace: cleanup arch_ptrace() on h8300 2010-10-27 18:03:11 -07:00
ia64 taskstats: use real microsecond granularity for CPU times 2010-10-27 18:03:17 -07:00
m32r ptrace: cleanup arch_ptrace() on m32r 2010-10-27 18:03:11 -07:00
m68k ptrace: cleanup arch_ptrace() on m68k 2010-10-27 18:03:11 -07:00
m68knommu ptrace: cleanup arch_ptrace() on m68knommu 2010-10-27 18:03:11 -07:00
microblaze ptrace: cleanup arch_ptrace() on microblaze 2010-10-27 18:03:11 -07:00
mips ptrace: cleanup arch_ptrace() on MIPS 2010-10-27 18:03:11 -07:00
mn10300 ptrace: cleanup arch_ptrace() on mn10300 2010-10-27 18:03:11 -07:00
parisc ptrace: cleanup arch_ptrace() on parisc 2010-10-27 18:03:11 -07:00
powerpc taskstats: use real microsecond granularity for CPU times 2010-10-27 18:03:17 -07:00
s390 taskstats: use real microsecond granularity for CPU times 2010-10-27 18:03:17 -07:00
score ptrace: cleanup arch_ptrace() on score 2010-10-27 18:03:12 -07:00
sh ptrace: cleanup arch_ptrace() on sh 2010-10-27 18:03:12 -07:00
sparc ptrace: cleanup arch_ptrace() on sparc 2010-10-27 18:03:12 -07:00
tile ptrace: cleanup arch_ptrace() on tile 2010-10-27 18:03:12 -07:00
um ptrace: cleanup arch_ptrace() on um 2010-10-27 18:03:12 -07:00
x86 ptrace: cleanup arch_ptrace() on x86 2010-10-27 18:03:10 -07:00
xtensa ptrace: cleanup arch_ptrace() on xtensa 2010-10-27 18:03:12 -07:00
.gitignore
Kconfig Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/core 2010-09-24 09:12:05 +02:00