Make the log benchmark configurable and make a parameter sweep script.

[bluesky.git] / bluesky / debug.c

diff --git a/bluesky/debug.c b/bluesky/debug.c
index b030b7f..b409c74 100644 (file)
--- a/bluesky/debug.c
+++ b/bluesky/debug.c
@@ -22,9 +22,9 @@ static void inode_dump(gpointer key, gpointer value, gpointer user_data)
 
     g_print("Inode %"PRIu64":\n", inode->inum);
 
-    gboolean locked = FALSE;
+    gboolean locked = TRUE;
     if (g_mutex_trylock(inode->lock)) {
-        locked = TRUE;
+        locked = FALSE;
         g_mutex_unlock(inode->lock);
     }
     g_print("    Locked: %c   Refcount: %d\n",
@@ -39,8 +39,54 @@ static void inode_dump(gpointer key, gpointer value, gpointer user_data)
 void bluesky_debug_dump(BlueSkyFS *fs)
 {
     g_print("*** DEBUG DUMP FOR FILESYSTEM %s ***\n", fs->name);
+    g_print("Cached blocks: %d\tDirty blocks: %d\n",
+            g_atomic_int_get(&fs->cache_total),
+            g_atomic_int_get(&fs->cache_dirty));
     g_print("Cached inodes: %u\tNext inode: %"PRIu64"\n",
             g_hash_table_size(fs->inodes), fs->next_inum);
 
+    GList *item;
+    g_print("Dirty inode LRU list:");
+    for (item = fs->dirty_list.next; item != NULL; item = item->next) {
+        g_print(" %"PRIu64";", ((BlueSkyInode *)item->data)->inum);
+    }
+    g_print("\n");
+    g_print("Accessed inode LRU list:");
+    for (item = fs->accessed_list.next; item != NULL; item = item->next) {
+        g_print(" %"PRIu64";", ((BlueSkyInode *)item->data)->inum);
+    }
+    g_print("\n");
+
     g_hash_table_foreach(fs->inodes, inode_dump, fs);
 }
+
+/* Statistics counters: for operation counts, bytes transferred, etc. */
+static GStaticMutex stats_lock = G_STATIC_MUTEX_INIT;
+static GList *stats_list = NULL;
+
+struct bluesky_stats *bluesky_stats_new(const char *name)
+{
+    struct bluesky_stats *stats = g_new0(struct bluesky_stats, 1);
+    stats->name = name;
+    g_static_mutex_lock(&stats_lock);
+    stats_list = g_list_append(stats_list, stats);
+    g_static_mutex_unlock(&stats_lock);
+    return stats;
+}
+
+void bluesky_stats_add(struct bluesky_stats *stats, int64_t value)
+{
+    __sync_fetch_and_add(&stats->count, (int64_t)1);
+    __sync_fetch_and_add(&stats->sum, value);
+}
+
+void bluesky_stats_dump_all()
+{
+    g_static_mutex_lock(&stats_lock);
+    for (GList *item = stats_list; item != NULL; item = item->next) {
+        struct bluesky_stats *stats = (struct bluesky_stats *)item->data;
+        g_print("%s: count=%"PRIi64" sum=%"PRIi64"\n",
+                stats->name, stats->count, stats->sum);
+    }
+    g_static_mutex_unlock(&stats_lock);
+}