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Enable hardware perf-events if CPU_HAS_PMU and select
HAVE_OPROFILE if HAVE_PERF_EVENTS. If no hardware support
is present, OProfile will fall back to timer mode.
This patch also removes the old OProfile drivers in favour
of the code implemented by perf.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Make sure that we have access to the performance counters and
that they aren't being used by perf events or anything else.
Cc: Will Deacon <will.deacon@arm.com>
Cc: Jean Pihet <jpihet@mvista.com>
Signed-off-by: Jamie Iles <jamie.iles@picochip.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add Oprofile kernel support for ARMv7.
Tested on OMAP3430 and OMAP3530 chipsets (Cortex-A8).
Signed-off-by: Jean Pihet <jpihet@mvista.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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