[Skiboot] [PATCH] core/test/run-trace: Reduce number of samples when running under valgrind

[Stewart Smith]

This reduces 'make check' run time by ~10 seconds on my laptop,
and just the run-trace test itself takes 15 seconds less (under valgrind).

Signed-off-by: Stewart Smith <stewart at linux.vnet.ibm.com>
---
 core/test/run-trace.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/test/run-trace.c b/core/test/run-trace.c
index fa8a30b12a5a..980168868680 100644
--- a/core/test/run-trace.c
+++ b/core/test/run-trace.c
@@ -26,6 +26,8 @@
 #include <sys/types.h>
 #include <sys/wait.h>
 
+#include <valgrind/valgrind.h>
+
 /* Don't include these: PPC-specific */
 #define __CPU_H
 #define __TIME_H
@@ -130,7 +132,7 @@ static struct cpu_thread *this_cpu(void)
 }
 
 #include <sys/mman.h>
-#define PER_CHILD_TRACES (1024*1024)
+#define PER_CHILD_TRACES ((RUNNING_ON_VALGRIND) ? (1024*16) : (1024*1024))
 
 static void write_trace_entries(int id)
 {
-- 
2.9.3