1 files changed, 35 insertions, 0 deletions
diff --git a/src/collectors/common-contexts/mem.swap.h b/src/collectors/common-contexts/mem.swap.h
new file mode 100644
index 000000000..6d692ef3b
--- /dev/null
+++ b/src/collectors/common-contexts/mem.swap.h
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "common-contexts.h"
+
+static inline void common_mem_swap(uint64_t free_bytes, uint64_t used_bytes, int update_every) {
+    static RRDSET *st_system_swap = NULL;
+    static RRDDIM *rd_free = NULL, *rd_used = NULL;
+
+    if(unlikely(!st_system_swap)) {
+        st_system_swap = rrdset_create_localhost(
+            "mem"
+            , "swap"
+            , NULL
+            , "swap"
+            , NULL
+            , "System Swap"
+            , "MiB"
+            , _COMMON_PLUGIN_NAME
+            , _COMMON_PLUGIN_MODULE_NAME
+            , NETDATA_CHART_PRIO_MEM_SWAP
+            , update_every
+            , RRDSET_TYPE_STACKED
+        );
+
+        rrdset_flag_set(st_system_swap, RRDSET_FLAG_DETAIL);
+
+        rd_free = rrddim_add(st_system_swap, "free",    NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+        rd_used = rrddim_add(st_system_swap, "used",    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_system_swap, rd_used, (collected_number)used_bytes);
+    rrddim_set_by_pointer(st_system_swap, rd_free, (collected_number)free_bytes);
+    rrdset_done(st_system_swap);
+}