detect_art

Name:If ART is present detect the numerator:denominator to convert to TSC

Proto:static void __init detect_art(void)

Type:void

Parameter:Nothing

1036

If Maximum supported CPUID level, -1=no CPUID: < ART_CPUID_LEAF Then Return

1043

If boot_cpu_has(Running on a hypervisor ) || Not boot_cpu_has(TSC does not stop in C states ) || Not boot_cpu_has(TSC adjustment MSR 0x3B ) || tsc_async_resets Then Return

1049

cpuid(ART_CPUID_LEAF, & art_to_tsc_denominator, & art_to_tsc_numerator, unused, unused + 1)

1052

If art_to_tsc_denominator < ART_MIN_DENOMINATOR Then Return

1055

rdmsrl(MSR_IA32_TSC_ADJUST, art_to_tsc_offset)

1058

setup_force_cpu_cap(Always running timer (ART) )

**Caller**
Name	Describe
tsc_init

Source code conversion tool public plug-in interface	X
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion