From fd62110684aed51cca43fa21f725fb88c3fd8887 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sun, 13 Sep 2009 08:21:02 +0000
Subject: [PATCH] git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1159
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 readme.txt     |  1 +
 test/testbmk.c | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 68 insertions(+)

diff --git a/readme.txt b/readme.txt
index 1e50720b6..17faf38f8 100644
--- a/readme.txt
+++ b/readme.txt
@@ -13,6 +13,7 @@
   in stable branch).
 - FIX: Fixed LPC214x UART problem (bug 2841088)(backported in stable branch).
 - NEW: Added new APIs chSchDoYieldS() and chThdYield().
+- MEW: Added new benchmark about RAM footprint.
 - MEW: Added new benchmark about round robin rescheduling.
 - NEW: Reorganized and rationalized the distribution tree and the
   documentation.
diff --git a/test/testbmk.c b/test/testbmk.c
index 39bcdbaa5..03531d028 100644
--- a/test/testbmk.c
+++ b/test/testbmk.c
@@ -50,6 +50,7 @@
  * - @subpage test_benchmarks_010
  * - @subpage test_benchmarks_011
  * - @subpage test_benchmarks_012
+ * - @subpage test_benchmarks_013
  * .
  * @file testbmk.c Kernel Benchmarks
  * @brief Kernel Benchmarks source file
@@ -676,6 +677,71 @@ const struct testcase testbmk12 = {
 };
 #endif
 
+/**
+ * @page test_benchmarks_013 RAM Footprint
+ *
+ * <h2>Description</h2>
+ * The memory size of the various kernel objects is printed.
+ */
+
+static char *bmk13_gettest(void) {
+
+  return "Benchmark, RAM footprint";
+}
+
+static void bmk13_execute(void) {
+
+  test_print("--- System: ");
+  test_printn(sizeof(ReadyList) + sizeof(VTList) + IDLE_THREAD_STACK_SIZE +
+              (sizeof(Thread) + sizeof(struct intctx) + sizeof(struct extctx) +
+               INT_REQUIRED_STACK) * 2);
+  test_println(" bytes");
+  test_print("--- Thread: ");
+  test_printn(sizeof(Thread));
+  test_println(" bytes");
+  test_print("--- Timer : ");
+  test_printn(sizeof(VirtualTimer));
+  test_println(" bytes");
+  test_print("--- Semaph: ");
+  test_printn(sizeof(Semaphore));
+  test_println(" bytes");
+#if CH_USE_EVENTS
+  test_print("--- EventS: ");
+  test_printn(sizeof(EventSource));
+  test_println(" bytes");
+  test_print("--- EventL: ");
+  test_printn(sizeof(EventListener));
+  test_println(" bytes");
+#endif
+#if CH_USE_MUTEXES
+  test_print("--- Mutex : ");
+  test_printn(sizeof(Mutex));
+  test_println(" bytes");
+#endif
+#if CH_USE_CONDVARS
+  test_print("--- CondV.: ");
+  test_printn(sizeof(CondVar));
+  test_println(" bytes");
+#endif
+#if CH_USE_QUEUES
+  test_print("--- Queue : ");
+  test_printn(sizeof(GenericQueue));
+  test_println(" bytes");
+#endif
+#if CH_USE_MAILBOXES
+  test_print("--- MailB.: ");
+  test_printn(sizeof(Mailbox));
+  test_println(" bytes");
+#endif
+}
+
+const struct testcase testbmk13 = {
+  bmk13_gettest,
+  NULL,
+  NULL,
+  bmk13_execute
+};
+
 /*
  * Test sequence for benchmarks pattern.
  */
@@ -697,6 +763,7 @@ const struct testcase * const patternbmk[] = {
 #if CH_USE_MUTEXES
   &testbmk12,
 #endif
+  &testbmk13,
 #endif
   NULL
 };