1 files changed, 41 insertions, 0 deletions
diff --git a/mysql-s390-tsc.patch b/mysql-s390-tsc.patch
new file mode 100644
index 0000000..f995266
--- /dev/null
+++ b/mysql-s390-tsc.patch
@@ -0,0 +1,41 @@
+Support s390/s390x in performance schema's cycle-counting functions.
+Filed upstream at http://bugs.mysql.com/bug.php?id=59953
+
+
+diff -up mysql-5.5.28/include/my_rdtsc.h.p11 mysql-5.5.28/include/my_rdtsc.h
+--- mysql-5.5.28/include/my_rdtsc.h.p11	2012-08-29 10:50:46.000000000 +0200
++++ mysql-5.5.28/include/my_rdtsc.h	2012-12-06 14:22:13.651823354 +0100
+@@ -125,6 +125,7 @@ C_MODE_END
+ #define MY_TIMER_ROUTINE_MACH_ABSOLUTE_TIME      25
+ #define MY_TIMER_ROUTINE_GETSYSTEMTIMEASFILETIME 26
+ #define MY_TIMER_ROUTINE_ASM_SUNPRO_X86_64       27
++#define MY_TIMER_ROUTINE_ASM_S390                28
+ 
+ #endif
+ 
+diff -up mysql-5.5.28/mysys/my_rdtsc.c.p11 mysql-5.5.28/mysys/my_rdtsc.c
+--- mysql-5.5.28/mysys/my_rdtsc.c.p11	2012-08-29 10:50:46.000000000 +0200
++++ mysql-5.5.28/mysys/my_rdtsc.c	2012-12-06 14:22:13.672823375 +0100
+@@ -224,6 +224,13 @@ ulonglong my_timer_cycles(void)
+     clock_gettime(CLOCK_SGI_CYCLE, &tp);
+     return (ulonglong) tp.tv_sec * 1000000000 + (ulonglong) tp.tv_nsec;
+   }
++#elif defined(__GNUC__) && defined(__s390__)
++  /* covers both s390 and s390x */
++  {
++    ulonglong result;
++    __asm__ __volatile__ ("stck %0" : "=Q" (result) : : "cc");
++    return result;
++  }
+ #elif defined(HAVE_SYS_TIMES_H) && defined(HAVE_GETHRTIME)
+   /* gethrtime may appear as either cycle or nanosecond counter */
+   return (ulonglong) gethrtime();
+@@ -533,6 +540,8 @@ void my_timer_init(MY_TIMER_INFO *mti)
+   mti->cycles.routine= MY_TIMER_ROUTINE_ASM_GCC_SPARC32;
+ #elif defined(__sgi) && defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_SGI_CYCLE)
+   mti->cycles.routine= MY_TIMER_ROUTINE_SGI_CYCLE;
++#elif defined(__GNUC__) && defined(__s390__)
++  mti->cycles.routine= MY_TIMER_ROUTINE_ASM_S390;
+ #elif defined(HAVE_SYS_TIMES_H) && defined(HAVE_GETHRTIME)
+   mti->cycles.routine= MY_TIMER_ROUTINE_GETHRTIME;
+ #else