diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/ReadPmc.c')
| -rw-r--r-- | MdePkg/Library/BaseLib/Ia32/ReadPmc.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/ReadPmc.c b/MdePkg/Library/BaseLib/Ia32/ReadPmc.c index 761fa6bf4e..432c0139f9 100644 --- a/MdePkg/Library/BaseLib/Ia32/ReadPmc.c +++ b/MdePkg/Library/BaseLib/Ia32/ReadPmc.c @@ -17,6 +17,17 @@ //
+/**
+ Reads the current value of a Performance Counter (PMC).
+
+ Reads and returns the current value of performance counter specified by
+ Index. This function is only available on IA-32 and X64.
+
+ @param Index The 32-bit Performance Counter index to read.
+
+ @return The value of the PMC specified by Index.
+
+**/
UINT64
EFIAPI
AsmReadPmc (
|