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In order to allow comparing trace timestamps between different systems or virtual machines on s390, add a s390-tod trace clock. This clock just uses the returned TOD clock value from stcke directly. Signed-off-by: Sven Schnelle <svens@linux.ibm.com> Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com> Reviewed-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
14 lines
316 B
C
14 lines
316 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_S390_TRACE_CLOCK_H
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#define _ASM_S390_TRACE_CLOCK_H
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#include <linux/compiler.h>
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#include <linux/types.h>
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u64 notrace trace_clock_s390_tod(void);
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#define ARCH_TRACE_CLOCKS \
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{ trace_clock_s390_tod, "s390-tod", .in_ns = 0 },
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#endif /* _ASM_S390_TRACE_CLOCK_H */
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