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549713 |
Support s390/s390x in performance schema's cycle-counting functions.
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549713 |
Filed upstream at http://bugs.mysql.com/bug.php?id=59953
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549713 |
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549713 |
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549713 |
diff -up --recursive mysql-5.7.9.orig/include/my_rdtsc.h mysql-5.7.9/include/my_rdtsc.h
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--- mysql-5.7.9.orig/include/my_rdtsc.h 2015-10-12 08:21:33.000000000 +0200
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+++ mysql-5.7.9/include/my_rdtsc.h 2015-11-10 16:33:36.037432669 +0100
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549713 |
@@ -125,6 +125,7 @@ C_MODE_END
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#define MY_TIMER_ROUTINE_GETSYSTEMTIMEASFILETIME 26
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#define MY_TIMER_ROUTINE_ASM_SUNPRO_X86_64 27
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#define MY_TIMER_ROUTINE_ASM_AARCH64 28
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+#define MY_TIMER_ROUTINE_ASM_S390 29
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#endif
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diff -up --recursive mysql-5.7.9.orig/mysys/my_rdtsc.c mysql-5.7.9/mysys/my_rdtsc.c
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--- mysql-5.7.9.orig/mysys/my_rdtsc.c 2015-10-12 08:21:33.000000000 +0200
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+++ mysql-5.7.9/mysys/my_rdtsc.c 2015-11-10 16:33:36.038432668 +0100
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@@ -183,6 +183,13 @@ ulonglong my_timer_cycles(void)
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__asm __volatile__ ("mrs %[rt],cntvct_el0" : [rt] "=r" (result));
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return result;
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}
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+#elif defined(__GNUC__) && defined(__s390__)
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+ /* covers both s390 and s390x */
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+ {
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+ ulonglong result;
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+ __asm__ __volatile__ ("stck %0" : "=Q" (result) : : "cc");
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+ return result;
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+ }
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#elif defined(HAVE_SYS_TIMES_H) && defined(HAVE_GETHRTIME)
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/* gethrtime may appear as either cycle or nanosecond counter */
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return (ulonglong) gethrtime();
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@@ -487,6 +494,8 @@ void my_timer_init(MY_TIMER_INFO *mti)
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mti->cycles.routine= MY_TIMER_ROUTINE_ASM_GCC_SPARC32;
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#elif defined(__GNUC__) && defined(__aarch64__)
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mti->cycles.routine= MY_TIMER_ROUTINE_ASM_AARCH64;
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+#elif defined(__GNUC__) && defined(__s390__)
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+ mti->cycles.routine= MY_TIMER_ROUTINE_ASM_S390;
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#elif defined(HAVE_SYS_TIMES_H) && defined(HAVE_GETHRTIME)
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mti->cycles.routine= MY_TIMER_ROUTINE_GETHRTIME;
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#else
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