commit | ab4800473091e0c3bd43d9e96ed0fa406d231186 | [log] [tgz] |
---|---|---|
author | Jens Axboe <jens.axboe@oracle.com> | Wed Mar 24 13:35:28 2010 +0100 |
committer | Jens Axboe <jens.axboe@oracle.com> | Wed Mar 24 13:35:28 2010 +0100 |
tree | 349f842c02adedcb03af081445d2bc49202454ea | |
parent | 4780fa263c038646ab803b63f23f486b2b7b1140 [diff] |
Add IA64 support for CPU clock Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/arch/arch-ia64.h b/arch/arch-ia64.h index a8bb23a..056f636 100644 --- a/arch/arch-ia64.h +++ b/arch/arch-ia64.h
@@ -33,6 +33,16 @@ { return ia64_popcnt(bitmask & (~bitmask - 1)); } + +static inline unsigned long get_cpu_clock(void) +{ + unsigned long ret; + + __asm__ __volatile__("mov %0=ar.itc" : "=r" (ret) : : "memory"); + return ret; +} + #define ARCH_HAVE_FFZ +#define ARCH_HAVE_CPU_CLOCK #endif