c80ae3ea7b
this commit is squash of: last commit(s) of 'mysql' repo 'rawhide' branch and first commit(s) of 'community-mysql' repo 'rawhide' branch
42 lines
1.8 KiB
Diff
42 lines
1.8 KiB
Diff
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
|