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80384c |
Support s390/s390x in performance schema's cycle-counting functions.
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80384c |
Filed upstream at http://bugs.mysql.com/bug.php?id=59953
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80384c |
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80384c |
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80384c |
diff -up mysql-5.5.28/include/my_rdtsc.h.p11 mysql-5.5.28/include/my_rdtsc.h
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80384c |
--- mysql-5.5.28/include/my_rdtsc.h.p11 2012-08-29 10:50:46.000000000 +0200
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80384c |
+++ mysql-5.5.28/include/my_rdtsc.h 2012-12-06 14:22:13.651823354 +0100
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80384c |
@@ -125,6 +125,7 @@ C_MODE_END
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80384c |
#define MY_TIMER_ROUTINE_MACH_ABSOLUTE_TIME 25
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80384c |
#define MY_TIMER_ROUTINE_GETSYSTEMTIMEASFILETIME 26
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80384c |
#define MY_TIMER_ROUTINE_ASM_SUNPRO_X86_64 27
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80384c |
+#define MY_TIMER_ROUTINE_ASM_S390 28
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80384c |
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80384c |
#endif
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80384c |
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80384c |
diff -up mysql-5.5.28/mysys/my_rdtsc.c.p11 mysql-5.5.28/mysys/my_rdtsc.c
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80384c |
--- mysql-5.5.28/mysys/my_rdtsc.c.p11 2012-08-29 10:50:46.000000000 +0200
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80384c |
+++ mysql-5.5.28/mysys/my_rdtsc.c 2012-12-06 14:22:13.672823375 +0100
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80384c |
@@ -224,6 +224,13 @@ ulonglong my_timer_cycles(void)
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80384c |
clock_gettime(CLOCK_SGI_CYCLE, &tp);
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80384c |
return (ulonglong) tp.tv_sec * 1000000000 + (ulonglong) tp.tv_nsec;
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80384c |
}
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80384c |
+#elif defined(__GNUC__) && defined(__s390__)
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80384c |
+ /* covers both s390 and s390x */
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80384c |
+ {
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80384c |
+ ulonglong result;
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80384c |
+ __asm__ __volatile__ ("stck %0" : "=Q" (result) : : "cc");
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80384c |
+ return result;
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80384c |
+ }
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80384c |
#elif defined(HAVE_SYS_TIMES_H) && defined(HAVE_GETHRTIME)
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80384c |
/* gethrtime may appear as either cycle or nanosecond counter */
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80384c |
return (ulonglong) gethrtime();
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80384c |
@@ -533,6 +540,8 @@ void my_timer_init(MY_TIMER_INFO *mti)
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80384c |
mti->cycles.routine= MY_TIMER_ROUTINE_ASM_GCC_SPARC32;
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80384c |
#elif defined(__sgi) && defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_SGI_CYCLE)
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80384c |
mti->cycles.routine= MY_TIMER_ROUTINE_SGI_CYCLE;
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80384c |
+#elif defined(__GNUC__) && defined(__s390__)
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80384c |
+ mti->cycles.routine= MY_TIMER_ROUTINE_ASM_S390;
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80384c |
#elif defined(HAVE_SYS_TIMES_H) && defined(HAVE_GETHRTIME)
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80384c |
mti->cycles.routine= MY_TIMER_ROUTINE_GETHRTIME;
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80384c |
#else
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