mirror/libcpuid
1
0
Fork 0
mirror of https://github.com/anrieff/libcpuid synced 2024-12-16 16:35:45 +00:00
Code Issues Releases Wiki Activity

Add INFO_BCLK in cpu_msrinfo()

Browse source
This commit is contained in:
Xorg 2015-10-06 15:17:47 +02:00
parent fc72fdee74
commit 42e8d6f019
2 changed files with 16 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
libcpuid/libcpuid.h
View file

@ -865,6 +865,8 @@ typedef enum {
throttling. 0 if it is running normally. */
INFO_VOLTAGE, /*!< The current core voltage in Volt,
multiplied by 100. */
INFO_BCLK, /*!< The BCLK (base clock) in MHz,
multiplied by 100. */
} cpu_msrinfo_request_t;
/**

14
libcpuid/rdmsr.c
View file

@ -486,6 +486,20 @@ int cpu_msrinfo(struct msr_driver_t* handle, cpu_msrinfo_request_t which)
}
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:
return CPU_INVALID_VALUE;
}