forked from ShuriZma/suyu
guard against div-by-zero
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b2ad4dd189
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@ -170,8 +170,11 @@ static CPUCaps Detect() {
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// The CPU model can be detected to use the values from turbostat
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// The CPU model can be detected to use the values from turbostat
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// https://github.com/torvalds/linux/blob/master/tools/power/x86/turbostat/turbostat.c#L5569
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// https://github.com/torvalds/linux/blob/master/tools/power/x86/turbostat/turbostat.c#L5569
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// but it's easier to just estimate the TSC tick rate for these cases.
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// but it's easier to just estimate the TSC tick rate for these cases.
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caps.tsc_frequency = static_cast<u64>(caps.crystal_frequency) *
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if (caps.tsc_crystal_ratio_denominator) {
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caps.tsc_crystal_ratio_numerator / caps.tsc_crystal_ratio_denominator;
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caps.tsc_frequency = static_cast<u64>(caps.crystal_frequency) *
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caps.tsc_crystal_ratio_numerator /
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caps.tsc_crystal_ratio_denominator;
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}
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}
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}
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if (max_std_fn >= 0x16) {
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if (max_std_fn >= 0x16) {
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