From cf56a2c2f4dc6d4a4067387a8fed7296bcee6ae3 Mon Sep 17 00:00:00 2001
From: Koen Zandberg <koen@bergzand.net>
Date: Thu, 30 Jul 2020 21:47:55 +0200
Subject: [PATCH] bench_msg_pingpong: Add number of clock ticks per cycle

---
 tests/bench_msg_pingpong/main.c          | 8 +++++++-
 tests/bench_msg_pingpong/tests/01-run.py | 2 +-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/tests/bench_msg_pingpong/main.c b/tests/bench_msg_pingpong/main.c
index 00799676e3..d59752008b 100644
--- a/tests/bench_msg_pingpong/main.c
+++ b/tests/bench_msg_pingpong/main.c
@@ -19,6 +19,7 @@
  */
 
 #include <stdio.h>
+#include "macros/units.h"
 #include "thread.h"
 
 #include "msg.h"
@@ -75,7 +76,12 @@ int main(void)
         n++;
     }
 
-    printf("{ \"result\" : %"PRIu32" }\n", n);
+    printf("{ \"result\" : %"PRIu32, n);
+#ifdef CLOCK_CORECLOCK
+    printf(", \"ticks\" : %"PRIu32,
+           (uint32_t)((TEST_DURATION/US_PER_MS) * (CLOCK_CORECLOCK/KHZ(1)))/n);
+#endif
+    puts(" }");
 
     return 0;
 }
diff --git a/tests/bench_msg_pingpong/tests/01-run.py b/tests/bench_msg_pingpong/tests/01-run.py
index f2d9f5b121..62a4ac060e 100755
--- a/tests/bench_msg_pingpong/tests/01-run.py
+++ b/tests/bench_msg_pingpong/tests/01-run.py
@@ -12,7 +12,7 @@ from testrunner import run
 
 
 def testfunc(child):
-    child.expect(r"{ \"result\" : \d+ }")
+    child.expect(r"{ \"result\" : \d+(, \"ticks\" : \d+)? }")
 
 
 if __name__ == "__main__":