commit e83d26fa6213f1ec9c506c43029ed243f89cd63e Author: Nicolas Morey-Chaisemartin Date: Thu Jun 8 15:11:12 2017 +0200 mvapich3-s390_get_cycles Signed-off-by: Nicolas Morey-Chaisemartin diff --git src/mpid/ch3/channels/common/include/mvp_clock.h src/mpid/ch3/channels/common/include/mvp_clock.h index 2f7e08ede22f..38bc906d3e67 100644 --- src/mpid/ch3/channels/common/include/mvp_clock.h +++ src/mpid/ch3/channels/common/include/mvp_clock.h @@ -93,6 +93,14 @@ static inline cycles_t get_cycles() return ret; } +#elif defined(__s390__) || defined(__s390x__) +typedef unsigned long cycles_t; +static inline cycles_t get_cycles() +{ + unsigned long clk; + asm volatile("stck %0" : "=Q" (clk) : : "cc"); + return clk >> 2; +} #else #warning get_cycles not implemented for this architecture: attempt asm/timex.h #include