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authorFrederic Weisbecker <fweisbec@gmail.com>2012-09-09 14:56:31 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2012-09-25 16:01:36 +0200
commitfdf9c356502ae02238efcdf90cefd7b473a63fd4 (patch)
tree8db73d0f973ffb99acce5f76c22562b90f6236db /arch/arm/mach-omap2/board-rx51.c
parent391dc69c6875bcb775cc16458112da93f1d1af00 (diff)
cputime: Make finegrained irqtime accounting generally available
There is no known reason for this option to be unavailable on other archs than x86. They just need to call enable_sched_clock_irqtime() if they have a sufficiently finegrained clock to make it working. Move it to the general option and let the user choose between it and pure tick based or virtual cputime accounting. Note that virtual cputime accounting already performs a finegrained irqtime accounting. CONFIG_IRQ_TIME_ACCOUNTING is a kind of middle ground between tick and virtual based accounting. So CONFIG_IRQ_TIME_ACCOUNTING and CONFIG_VIRT_CPU_ACCOUNTING are mutually exclusive choices. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org>
Diffstat (limited to 'arch/arm/mach-omap2/board-rx51.c')
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