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1ce2180498
s390 uses open coded seqcount to synchronize idle time accounting. Lets consolidate it with the standard API. Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rik van Riel <riel@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
28 lines
614 B
C
28 lines
614 B
C
/*
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* Copyright IBM Corp. 2014
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*
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* Author: Martin Schwidefsky <schwidefsky@de.ibm.com>
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*/
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#ifndef _S390_IDLE_H
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#define _S390_IDLE_H
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#include <linux/types.h>
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#include <linux/device.h>
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#include <linux/seqlock.h>
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struct s390_idle_data {
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seqcount_t seqcount;
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unsigned long long idle_count;
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unsigned long long idle_time;
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unsigned long long clock_idle_enter;
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unsigned long long clock_idle_exit;
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unsigned long long timer_idle_enter;
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unsigned long long timer_idle_exit;
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};
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extern struct device_attribute dev_attr_idle_count;
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extern struct device_attribute dev_attr_idle_time_us;
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#endif /* _S390_IDLE_H */
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