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17 lines
338 B
17 lines
338 B
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* X86 trace clocks |
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*/ |
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#include <asm/trace_clock.h> |
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#include <asm/barrier.h> |
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#include <asm/msr.h> |
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/* |
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* trace_clock_x86_tsc(): A clock that is just the cycle counter. |
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* |
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* Unlike the other clocks, this is not in nanoseconds. |
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*/ |
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u64 notrace trace_clock_x86_tsc(void) |
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{ |
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return rdtsc_ordered(); |
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}
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