forked from pool/mvapich3
28 lines
928 B
Diff
28 lines
928 B
Diff
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commit e83d26fa6213f1ec9c506c43029ed243f89cd63e
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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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mvapich3-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/mvp_clock.h src/mpid/ch3/channels/common/include/mvp_clock.h
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index 2f7e08ede22f..38bc906d3e67 100644
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--- src/mpid/ch3/channels/common/include/mvp_clock.h
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+++ src/mpid/ch3/channels/common/include/mvp_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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