From 0a9f08cef4625ef9aa446de426b3e010ce892ff5 Mon Sep 17 00:00:00 2001
From: Richard Kistruck
Date: Mon, 11 Dec 2006 15:39:58 +0000
Subject: Mps: amsss (ams stress-test): enable and report mps_message_type_gc
 and _gc_start

Copied from Perforce
 Change: 161193
 ServerID: perforce.ravenbrook.com

---
 mps/code/amsss.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 51 insertions(+), 4 deletions(-)

(limited to 'mps/code')

diff --git a/mps/code/amsss.c b/mps/code/amsss.c
index 9c878a1934a..513056f2d2c 100644
--- a/mps/code/amsss.c
+++ b/mps/code/amsss.c
@@ -44,6 +44,50 @@ static mps_addr_t ambigRoots[ambigRootsCOUNT];
 static size_t totalSize = 0;
 
 
+/* report - report statistics from any messages */
+
+static void report()
+{
+  static int nStart = 0;
+  static int nComplete = 0;
+  mps_message_type_t type;
+
+  while(mps_message_queue_type(&type, arena)) {
+    mps_message_t message;
+
+    cdie(mps_message_get(&message, arena, type), "message get");
+
+    switch(type) {
+    /* @@@@ is using these macros in a switch supported? */
+    case mps_message_type_gc_start():
+      printf("\nCollection start %d.  Because:\n", ++nStart);
+      printf("%s\n", mps_message_gc_start_why(arena, message));
+
+      break;
+    case mps_message_type_gc():
+      {
+        size_t live, condemned, not_condemned;
+
+        live = mps_message_gc_live_size(arena, message);
+        condemned = mps_message_gc_condemned_size(arena, message);
+        not_condemned = mps_message_gc_not_condemned_size(arena, message);
+
+        printf("\nCollection complete %d:\n", ++nComplete);
+        printf("live %lu\n", (unsigned long)live);
+        printf("condemned %lu\n", (unsigned long)condemned);
+        printf("not_condemned %lu\n", (unsigned long)not_condemned);
+      }
+      break;
+    default:
+      cdie(0, "unknown message type");
+    }
+    mps_message_discard(arena, message);
+  }
+
+  return;
+}
+
+
 /* make -- object allocation and init */
 
 static mps_addr_t make(void)
@@ -142,6 +186,7 @@ static void *test(void *arg, size_t haveAmbigous)
     ++objs;
     if (objs % 256 == 0) {
       printf(".");
+      report();
       fflush(stdout);
     }
   }
@@ -169,31 +214,33 @@ int main(int argc, char **argv)
 
   die(mps_arena_create(&arena, mps_arena_class_vm(), testArenaSIZE),
       "arena_create");
+  mps_message_type_enable(arena, mps_message_type_gc_start());
+  mps_message_type_enable(arena, mps_message_type_gc());
   die(mps_thread_reg(&thread, arena), "thread_reg");
   die(mps_fmt_create_A(&format, arena, dylan_fmt_A()), "fmt_create");
   die(mps_chain_create(&chain, arena, 1, testChain), "chain_create");
 
-  printf("\nAMS Debug\n");
+  printf("\n\n****************************** Testing AMS Debug\n");
   die(mps_pool_create(&pool, arena, mps_class_ams_debug(), &freecheckOptions,
                       format, chain, FALSE),
       "pool_create(ams_debug,share)");
   mps_tramp(&r, test, pool, 0);
   mps_pool_destroy(pool);
 
-  printf("\nAMS Debug\n");
+  printf("\n\n****************************** Testing AMS Debug\n");
   die(mps_pool_create(&pool, arena, mps_class_ams_debug(), &freecheckOptions,
                       format, chain, TRUE),
       "pool_create(ams_debug,ambig)");
   mps_tramp(&r, test, pool, 1);
   mps_pool_destroy(pool);
 
-  printf("\nAMS\n");
+  printf("\n\n****************************** Testing AMS\n");
   die(mps_pool_create(&pool, arena, mps_class_ams(), format, chain, TRUE),
       "pool_create(ams,ambig)");
   mps_tramp(&r, test, pool, 1);
   mps_pool_destroy(pool);
 
-  printf("\nAMS\n");
+  printf("\n\n****************************** Testing AMS\n");
   die(mps_pool_create(&pool, arena, mps_class_ams(), format, chain, FALSE),
       "pool_create(ams,share)");
   mps_tramp(&r, test, pool, 0);
-- 
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