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-rw-r--r--mysql-s390-tsc.patch41
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