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Add INFO_BCLK in cpu_msrinfo()

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Xorg 2015-10-06 15:17:47 +02:00
parent fc72fdee74
commit 42e8d6f019
2 changed files with 16 additions and 0 deletions
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2
libcpuid/libcpuid.h
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@ -865,6 +865,8 @@ typedef enum {
throttling. 0 if it is running normally. */ throttling. 0 if it is running normally. */
INFO_VOLTAGE, /*!< The current core voltage in Volt, INFO_VOLTAGE, /*!< The current core voltage in Volt,
multiplied by 100. */ multiplied by 100. */
INFO_BCLK, /*!< The BCLK (base clock) in MHz,
multiplied by 100. */
} cpu_msrinfo_request_t; } cpu_msrinfo_request_t;
/** /**

14
libcpuid/rdmsr.c
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@ -486,6 +486,20 @@ int cpu_msrinfo(struct msr_driver_t* handle, cpu_msrinfo_request_t which)
} }
return CPU_INVALID_VALUE; return CPU_INVALID_VALUE;
} }
case INFO_BCLK:
{
static int clock = 0, multiplier = 0;
double bclk = 0.0;
if(!clock && (clock = cpu_clock_measure(100, 1)) <= 0) // Return the non-Turbo clock
return CPU_INVALID_VALUE;
if(!multiplier && (multiplier = cpu_msrinfo(handle, INFO_MAX_MULTIPLIER) / 100) <= 0)
return CPU_INVALID_VALUE;
if((bclk = (double) clock / multiplier) > 0)
return (int) (bclk * 100);
return CPU_INVALID_VALUE;
}
default: default:
return CPU_INVALID_VALUE; return CPU_INVALID_VALUE;
} }