28 lines
931 B
Diff
28 lines
931 B
Diff
commit 92d5b11beaf8919979705f44d56eb0569feceb93
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Author: Nicolas Morey-Chaisemartin <NMoreyChaisemartin@suse.com>
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Date: Thu Jun 8 15:11:12 2017 +0200
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mvapich2-s390_get_cycles
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Signed-off-by: Nicolas Morey-Chaisemartin <NMoreyChaisemartin@suse.com>
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diff --git src/mpid/ch3/channels/common/include/mv2_clock.h src/mpid/ch3/channels/common/include/mv2_clock.h
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index dba8e51bf129..af8bb2b77d08 100644
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--- src/mpid/ch3/channels/common/include/mv2_clock.h
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+++ src/mpid/ch3/channels/common/include/mv2_clock.h
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@@ -93,6 +93,14 @@ static inline cycles_t get_cycles()
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return ret;
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}
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+#elif defined(__s390__) || defined(__s390x__)
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+typedef unsigned long cycles_t;
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+static inline cycles_t get_cycles()
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+{
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+ unsigned long clk;
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+ asm volatile("stck %0" : "=Q" (clk) : : "cc");
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+ return clk >> 2;
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+}
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#else
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#warning get_cycles not implemented for this architecture: attempt asm/timex.h
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#include <asm/timex.h>
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