Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\trace_clock.c Create Date:2022-07-28 08:36:29
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:race_clock_x86_tsc(): A clock that is just the cycle counter.* Unlike the other clocks, this is not in nanoseconds.

Proto:u64 notrace trace_clock_x86_tsc(void)

Type:u64

Parameter:Nothing

16  Return dtsc_ordered() - read the current TSC in program order* rdtsc_ordered() returns the result of RDTSC as a 64-bit integer.* It is ordered like a load to a global in-memory counter. It should* be impossible to observe non-monotonic rdtsc_unordered() behavior