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);
+}