1 files changed, 44 insertions, 0 deletions
diff --git a/src/collectors/common-contexts/disk-avgsz.h b/src/collectors/common-contexts/disk-avgsz.h
new file mode 100644
index 000000000..16cca247a
--- /dev/null
+++ b/src/collectors/common-contexts/disk-avgsz.h
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef NETDATA_DISK_AVGSZ_H
+#define NETDATA_DISK_AVGSZ_H
+
+#include "common-contexts.h"
+
+typedef struct {
+    RRDSET *st_avgsz;
+    RRDDIM *rd_avgsz_reads;
+    RRDDIM *rd_avgsz_writes;
+} ND_DISK_AVGSZ;
+
+static inline void common_disk_avgsz(ND_DISK_AVGSZ *d, const char *id, const char *name, uint64_t avg_bytes_read, uint64_t avg_bytes_write, int update_every, instance_labels_cb_t cb, void *data) {
+    if(unlikely(!d->st_avgsz)) {
+        d->st_avgsz = rrdset_create_localhost(
+            "disk_avgsz"
+            , id
+            , name
+            , "io"
+            , "disk.avgsz"
+            , "Average Completed I/O Operation Bandwidth"
+            , "KiB/operation"
+            , _COMMON_PLUGIN_NAME
+            , _COMMON_PLUGIN_MODULE_NAME
+            , NETDATA_CHART_PRIO_DISK_AVGSZ
+            , update_every
+            , RRDSET_TYPE_AREA
+        );
+
+        d->rd_avgsz_reads  = rrddim_add(d->st_avgsz, "reads",  NULL,  1, 1024, RRD_ALGORITHM_ABSOLUTE);
+        d->rd_avgsz_writes = rrddim_add(d->st_avgsz, "writes", NULL, -1, 1024, RRD_ALGORITHM_ABSOLUTE);
+
+        if(cb)
+            cb(d->st_avgsz, data);
+    }
+
+    // this always have to be in base units, so that exporting sends base units to other time-series db
+    rrddim_set_by_pointer(d->st_avgsz, d->rd_avgsz_reads, (collected_number)avg_bytes_read);
+    rrddim_set_by_pointer(d->st_avgsz, d->rd_avgsz_writes, (collected_number)avg_bytes_write);
+    rrdset_done(d->st_avgsz);
+}
+
+#endif //NETDATA_DISK_AVGSZ_H