-add logic to measure heap size for all processes that use statistics, reduce statistics, topology, nse and resolver heap usage using the same trick we used for arm

1 files changed, 15 insertions, 0 deletions

diff --git a/src/statistics/gnunet-service-statistics.c b/src/statistics/gnunet-service-statistics.c
index efd834624..beb3d5135 100644
--- a/src/statistics/gnunet-service-statistics.c
+++ b/src/statistics/gnunet-service-statistics.c
@@ -849,4 +849,19 @@ main (int argc, char *const *argv)
                               GNUNET_SERVICE_OPTION_SOFT_SHUTDOWN, &run, NULL)) ? 0 : 1;
 }
 
+#ifdef LINUX
+#include <malloc.h>
+
+/**
+ * MINIMIZE heap size (way below 128k) since this process doesn't need much.
+ */
+void __attribute__ ((constructor)) GNUNET_ARM_memory_init ()
+{
+  mallopt (M_TRIM_THRESHOLD, 4 * 1024);
+  mallopt (M_TOP_PAD, 1 * 1024);
+  malloc_trim (0);
+}
+#endif
+
+
 /* end of gnunet-service-statistics.c */