From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 2/3] tlsf: implement malloc_stats
Date: Mon, 2 Jan 2012 14:50:06 +0100 [thread overview]
Message-ID: <1325512207-16501-4-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1325512207-16501-1-git-send-email-s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
common/tlsf_malloc.c | 25 +++++++++++++++++++++++--
1 files changed, 23 insertions(+), 2 deletions(-)
diff --git a/common/tlsf_malloc.c b/common/tlsf_malloc.c
index a6f82ba..2fe443b 100644
--- a/common/tlsf_malloc.c
+++ b/common/tlsf_malloc.c
@@ -71,8 +71,29 @@ void *memalign(size_t alignment, size_t bytes)
}
EXPORT_SYMBOL(memalign);
-#ifdef CONFIG_CMD_MEMINFO
+struct malloc_stats {
+ size_t free;
+ size_t used;
+};
+
+static void malloc_walker(void* ptr, size_t size, int used, void *user)
+{
+ struct malloc_stats *s = user;
+
+ if (used)
+ s->used += size;
+ else
+ s->free += size;
+}
+
void malloc_stats(void)
{
+ struct malloc_stats s;
+
+ s.used = 0;
+ s.free = 0;
+
+ tlsf_walk_heap(tlsf_mem_pool, malloc_walker, &s);
+
+ printf("used: %10d\nfree: %10d\n", s.used, s.free);
}
-#endif /* CONFIG_CMD_MEMINFO */
--
1.7.7.3
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next prev parent reply other threads:[~2012-01-02 13:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-02 13:50 tlsf patches Sascha Hauer
2012-01-02 13:50 ` [PATCH 1/3] tlsf: enable assertions Sascha Hauer
2012-01-02 13:50 ` [PATCH] uart drivers: use xzalloc instead of xmalloc Sascha Hauer
2012-01-02 13:50 ` Sascha Hauer [this message]
2012-01-02 13:50 ` [PATCH 3/3] tlsf: remove unused stuff from tlsfbits.h Sascha Hauer
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