tools/power turbostat: decode BXT TSC frequency via CPUID
Hard-code BXT ART to 19200MHz, so turbostat --debug can fully enumerate TSC: CPUID(0x15): eax_crystal: 3 ebx_tsc: 186 ecx_crystal_hz: 0 TSC: 1190 MHz (19200000 Hz * 186 / 3 / 1000000) Signed-off-by: NLen Brown <len.brown@intel.com> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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