1 files changed, 35 insertions, 0 deletions
diff --git a/src/collectors/common-contexts/mem-available.h b/src/collectors/common-contexts/mem-available.h
new file mode 100644
index 000000000..3f763fe18
--- /dev/null
+++ b/src/collectors/common-contexts/mem-available.h
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef NETDATA_MEM_AVAILABLE_H
+#define NETDATA_MEM_AVAILABLE_H
+#include "common-contexts.h"
+
+static inline void common_mem_available(uint64_t available_bytes, int update_every) {
+    static RRDSET *st_mem_available = NULL;
+    static RRDDIM *rd_avail = NULL;
+
+    if(unlikely(!st_mem_available)) {
+        st_mem_available = rrdset_create_localhost(
+            "mem"
+            , "available"
+            , NULL
+            , "overview"
+            , NULL
+            , "Available RAM for applications"
+            , "MiB"
+            , _COMMON_PLUGIN_NAME
+            , _COMMON_PLUGIN_MODULE_NAME
+            , NETDATA_CHART_PRIO_MEM_SYSTEM_AVAILABLE
+            , update_every
+            , RRDSET_TYPE_AREA
+        );
+
+        rd_avail   = rrddim_add(st_mem_available, "avail", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+    }
+
+    // this always have to be in base units, so that exporting sends base units to other time-series db
+    rrddim_set_by_pointer(st_mem_available, rd_avail, (collected_number)available_bytes);
+    rrdset_done(st_mem_available);
+}
+
+#endif //NETDATA_MEM_AVAILABLE_H