From: Pavel Charvat <pchar@ucw.cz>
Date: Tue, 20 May 2014 09:08:15 +0000 (+0200)
Subject: Mempool: Implemented statistics about allocated bytes from memory pool to application.
X-Git-Tag: v6.0~35
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=7c2ab38062eaadbf41085b4e2a8a2910c5d93ccd;p=libucw.git

Mempool: Implemented statistics about allocated bytes from memory pool to application.
---

diff --git a/ucw/mempool.c b/ucw/mempool.c
index 564a8e9f..9e5d62b0 100644
--- a/ucw/mempool.c
+++ b/ucw/mempool.c
@@ -219,6 +219,9 @@ mp_stats(struct mempool *pool, struct mempool_stats *stats)
   mp_stats_chain(pool->state.last[1], stats, 1);
   mp_stats_chain(pool->unused, stats, 2);
   ASSERT(stats->total_size == pool->total_size);
+  stats->used_size = stats->chain_size[0] + stats->chain_size[1]
+    - MP_CHUNK_TAIL * (stats->chain_count[0] + stats->chain_count[1])
+    - pool->state.free[0] - pool->state.free[1];
 }
 
 u64
diff --git a/ucw/mempool.h b/ucw/mempool.h
index 562d8f99..9d0c97d1 100644
--- a/ucw/mempool.h
+++ b/ucw/mempool.h
@@ -77,6 +77,7 @@ struct mempool {
 
 struct mempool_stats {			/** Mempool statistics. See @mp_stats(). **/
   u64 total_size;			/* Real allocated size in bytes */
+  u64 used_size;			/* Estimated size allocated from mempool to application */
   uns chain_count[3];			/* Number of allocated chunks in small/big/unused chains */
   uns chain_size[3];			/* Size of allocated chunks in small/big/unused chains */
 };