From 443c9c7db609dd2ac895bd605837f1c028076ada Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Mon, 3 Dec 2007 16:19:47 +0000
Subject: [PATCH] git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@125
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 readme.txt  |  1 +
 test/test.c | 30 +++++++++++++++++++++++++++++-
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/readme.txt b/readme.txt
index 6333aaa18..8ca71bfb7 100644
--- a/readme.txt
+++ b/readme.txt
@@ -45,6 +45,7 @@ AVR-AT90CANx-GCC       - Port on AVR AT90CAN128, not complete yet.
   "#ifdef CH_USE_DEBUG", it is much more readable now.
 - Now the threads working area is filled with a 0x55 when in debug mode, this
   will make easier to track stack usage using a JTAG probe.
+- Added an I/O Queues benchmark to the test suite.
 
 *** 0.4.3 ***
 - Size optimization in the events code, now the chEvtWait() reuses the
diff --git a/test/test.c b/test/test.c
index 7ea1bb89c..07272468f 100644
--- a/test/test.c
+++ b/test/test.c
@@ -129,10 +129,13 @@ t_msg Thread7(void *p) {
   return (unsigned int)p + 1;
 }
 
+
 /**
  * Tester thread, this thread must be created with priority \p NORMALPRIO.
  */
 t_msg TestThread(void *p) {
+  static BYTE8 ib[16];
+  static Queue iq;
   t_msg msg;
   unsigned int i;
   t_time time;
@@ -283,7 +286,32 @@ t_msg TestThread(void *p) {
   }
   print("Threads throughput = ");
   printn(i);
-  print(" threads/S");
+  println(" threads/S");
+
+  println("*** Kernel Benchmark, I/O Queues throughput:");
+  chIQInit(&iq, ib, sizeof(ib), NULL);
+  time = chSysGetTime() + 1;
+  while (chSysGetTime() < time) {
+#if defined(WIN32)
+    ChkIntSources();
+#endif
+  }
+  time += 1000;
+  i = 0;
+  while (chSysGetTime() < time) {
+    chIQPutI(&iq, i >> 24);
+    chIQPutI(&iq, i >> 16);
+    chIQPutI(&iq, i >> 8);
+    chIQPutI(&iq, i);
+    i = chIQGet(&iq) << 24;
+    i |= chIQGet(&iq) << 16;
+    i |= chIQGet(&iq) << 8;
+    i |= chIQGet(&iq);
+    i++;
+  }
+  print("Queues throughput = ");
+  printn(i * 4);
+  print(" bytes/S");
 
   println("\r\nTest complete");
   return 0;