git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@89 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 49 insertions, 2 deletions

diff --git a/test/test.c b/test/test.c
index fbaedd280..8fe61794c 100644
--- a/test/test.c
+++ b/test/test.c
@@ -46,10 +46,29 @@ static void wait(void) {
   chThdWait(t5);

 }

 

-static void println(char *msgp) {

+static void printn(unsigned int n) {

+  char buf[16], *p;

+

+  if (!n)

+    chFDDPut(comp, '0');

+  else {

+    p = buf;

+    while (n)

+          *p++ = (n % 10) + '0', n /= 10;

+    while (p > buf)

+      chFDDPut(comp, *--p);

+  }

+}

+

+static void print(char *msgp) {

 

   while (*msgp)

     chFDDPut(comp, *msgp++);

+}

+

+static void println(char *msgp) {

+

+  print(msgp);

   chFDDPut(comp, '\r');

   chFDDPut(comp, '\n');

 }

@@ -94,12 +113,19 @@ t_msg Thread5(void *p) {
   return 0;

 }

 

+t_msg Thread6(void *p) {

+

+  while (!chThdShouldTerminate())

+    chMsgRelease(chMsgWait() + 1);

+  return 0;

+}

+

 /**

  * Tester thread, this thread must be created with priority \p NORMALPRIO.

  */

 t_msg TestThread(void *p) {

   t_msg msg;

-  int i;

+  unsigned int i;

 

   comp = p;

   println("*****************************");

@@ -202,6 +228,27 @@ t_msg TestThread(void *p) {
   chThdWait(t1);

   println("");

 

+  /*

+   * Kernel benchmarks.

+   */

+  println("*** Kernel Benchmark, context switch stress test:");

+  t_time time = chSysGetTime() + 1;

+  while (chSysGetTime() < time)

+    ;

+  time += 1000;

+  i = 0;

+  t1 = chThdCreate(NORMALPRIO+1, 0, wsT1, sizeof(wsT1), Thread6, chThdSelf());

+  while (chSysGetTime() < time)

+    i = chMsgSend(t1, i);

+  chThdTerminate(t1);

+  chMsgSend(t1, 0); /* Lets the thread check the termination flag.*/

+  chThdWait(t1);

+  print("Messages throughput = ");

+  printn(i);

+  print(" msg/S, ");

+  printn(i << 1);

+  println(" ctxsw/S");

+

   println("\r\nTest complete");

   return 0;

 }