From 1777409472ef63a0c70a747a846b92019ee7c300 Mon Sep 17 00:00:00 2001
From: Oleg Hahm <oleg@hobbykeller.org>
Date: Wed, 4 May 2016 20:47:35 +0200
Subject: [PATCH] ps: add heap statistics for TLSF (if enabled)

---
 sys/ps/ps.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sys/ps/ps.c b/sys/ps/ps.c
index d20ee4f274..86cebb1095 100644
--- a/sys/ps/ps.c
+++ b/sys/ps/ps.c
@@ -26,6 +26,10 @@
 #include "xtimer.h"
 #endif
 
+#ifdef MODULE_TLSF
+#include "tlsf.h"
+#endif
+
 /* list of states copied from tcb.h */
 const char *state_names[] = {
     [STATUS_RUNNING] = "running",
@@ -112,5 +116,9 @@ void ps(void)
 #ifdef DEVELHELP
     printf("\t%5s %-21s|%13s%6s %5i (%5i)\n", "|", "SUM", "|", "|",
            overall_stacksz, overall_used);
+#   ifdef MODULE_TLSF
+    puts("\nHeap usage:");
+    tlsf_walk_pool(NULL);
+#   endif
 #endif
 }