New upstream version 1.6.0+dfsgupstream/1.6.0+dfsg

1 files changed, 363 insertions, 316 deletions

diff --git a/src/plugin_tc.c b/src/plugin_tc.c
index 0fa59532..7dcfedb3 100644
--- a/src/plugin_tc.c
+++ b/src/plugin_tc.c
@@ -1,7 +1,6 @@
 #include "common.h"
 
-#define RRD_TYPE_TC                 "tc"
-#define RRD_TYPE_TC_LEN             strlen(RRD_TYPE_TC)
+#define RRD_TYPE_TC "tc"
 
 // ----------------------------------------------------------------------------
 // /sbin/tc processor
@@ -25,6 +24,9 @@ struct tc_class {
 
     char hasparent;
     char isleaf;
+    char isqdisc;
+    char render;
+
     unsigned long long bytes;
     unsigned long long packets;
     unsigned long long dropped;
@@ -68,6 +70,7 @@ struct tc_device {
     char enabled_dropped;
     char enabled_tokens;
     char enabled_ctokens;
+    char enabled_all_classes_qdiscs;
 
     RRDSET *st_bytes;
     RRDSET *st_packets;
@@ -184,103 +187,171 @@ static inline void tc_device_classes_cleanup(struct tc_device *d) {
 }
 
 static inline void tc_device_commit(struct tc_device *d) {
-    static int enable_new_interfaces = -1, enable_bytes = -1, enable_packets = -1, enable_dropped = -1, enable_tokens = -1, enable_ctokens = -1;
+    static int enable_new_interfaces = -1, enable_bytes = -1, enable_packets = -1, enable_dropped = -1, enable_tokens = -1, enable_ctokens = -1, enabled_all_classes_qdiscs = -1;
 
     if(unlikely(enable_new_interfaces == -1)) {
-        enable_new_interfaces = config_get_boolean_ondemand("plugin:tc", "enable new interfaces detected at runtime", CONFIG_ONDEMAND_YES);
-        enable_bytes          = config_get_boolean_ondemand("plugin:tc", "enable traffic charts for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
-        enable_packets        = config_get_boolean_ondemand("plugin:tc", "enable packets charts for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
-        enable_dropped        = config_get_boolean_ondemand("plugin:tc", "enable dropped charts for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
-        enable_tokens         = config_get_boolean_ondemand("plugin:tc", "enable tokens charts for all interfaces", CONFIG_ONDEMAND_NO);
-        enable_ctokens        = config_get_boolean_ondemand("plugin:tc", "enable ctokens charts for all interfaces", CONFIG_ONDEMAND_NO);
+        enable_new_interfaces      = config_get_boolean_ondemand("plugin:tc", "enable new interfaces detected at runtime", CONFIG_BOOLEAN_YES);
+        enable_bytes               = config_get_boolean_ondemand("plugin:tc", "enable traffic charts for all interfaces", CONFIG_BOOLEAN_AUTO);
+        enable_packets             = config_get_boolean_ondemand("plugin:tc", "enable packets charts for all interfaces", CONFIG_BOOLEAN_AUTO);
+        enable_dropped             = config_get_boolean_ondemand("plugin:tc", "enable dropped charts for all interfaces", CONFIG_BOOLEAN_AUTO);
+        enable_tokens              = config_get_boolean_ondemand("plugin:tc", "enable tokens charts for all interfaces", CONFIG_BOOLEAN_NO);
+        enable_ctokens             = config_get_boolean_ondemand("plugin:tc", "enable ctokens charts for all interfaces", CONFIG_BOOLEAN_NO);
+        enabled_all_classes_qdiscs = config_get_boolean_ondemand("plugin:tc", "enable show all classes and qdiscs for all interfaces", CONFIG_BOOLEAN_NO);
+    }
+
+    if(unlikely(d->enabled == (char)-1)) {
+        char var_name[CONFIG_MAX_NAME + 1];
+        snprintfz(var_name, CONFIG_MAX_NAME, "qos for %s", d->id);
+
+        d->enabled                    = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_new_interfaces);
+
+        snprintfz(var_name, CONFIG_MAX_NAME, "traffic chart for %s", d->id);
+        d->enabled_bytes              = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_bytes);
+
+        snprintfz(var_name, CONFIG_MAX_NAME, "packets chart for %s", d->id);
+        d->enabled_packets            = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_packets);
+
+        snprintfz(var_name, CONFIG_MAX_NAME, "dropped packets chart for %s", d->id);
+        d->enabled_dropped            = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_dropped);
+
+        snprintfz(var_name, CONFIG_MAX_NAME, "tokens chart for %s", d->id);
+        d->enabled_tokens             = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_tokens);
+
+        snprintfz(var_name, CONFIG_MAX_NAME, "ctokens chart for %s", d->id);
+        d->enabled_ctokens            = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_ctokens);
+
+        snprintfz(var_name, CONFIG_MAX_NAME, "show all classes for %s", d->id);
+        d->enabled_all_classes_qdiscs = (char)config_get_boolean_ondemand("plugin:tc", var_name, enabled_all_classes_qdiscs);
     }
 
     // we only need to add leaf classes
-    struct tc_class *c, *x;
+    struct tc_class *c, *x /*, *root = NULL */;
     unsigned long long bytes_sum = 0, packets_sum = 0, dropped_sum = 0, tokens_sum = 0, ctokens_sum = 0;
-    int active_classes = 0;
+    int active_nodes = 0, updated_classes = 0, updated_qdiscs = 0;
+
+    // prepare all classes
+    // we set reasonable defaults for the rest of the code below
 
-    // set all classes
     for(c = d->classes ; c ; c = c->next) {
-        c->isleaf = 1;
-        c->hasparent = 0;
+        c->render = 0;          // do not render this class
+
+        c->isleaf = 1;          // this is a leaf class
+        c->hasparent = 0;       // without a parent
 
         if(unlikely(!c->updated))
-            c->unupdated++;
-        else
-            c->unupdated = 0;
+            c->unupdated++;     // increase its unupdated counter
+        else {
+            c->unupdated = 0;   // reset its unupdated counter
+
+            // count how many of each kind
+            if(c->isqdisc)
+                updated_qdiscs++;
+            else
+                updated_classes++;
+        }
     }
 
-    // mark the classes as leafs and parents
-    for(c = d->classes ; c ; c = c->next) {
-        if(unlikely(!c->updated)) continue;
+    if(unlikely(!d->enabled || (!updated_classes && !updated_qdiscs))) {
+        debug(D_TC_LOOP, "TC: Ignoring TC device '%s'. It is not enabled/updated.", d->name?d->name:d->id);
+        tc_device_classes_cleanup(d);
+        return;
+    }
 
-        for(x = d->classes ; x ; x = x->next) {
-            if(unlikely(!x->updated)) continue;
+    if(unlikely(updated_classes && updated_qdiscs)) {
+        error("TC: device '%s' has active both classes (%d) and qdiscs (%d). Will render only qdiscs.", d->id, updated_classes, updated_qdiscs);
 
-            if(unlikely(c == x)) continue;
+        // set all classes to !updated
+        for(c = d->classes ; c ; c = c->next)
+            if(unlikely(!c->isqdisc && c->updated))
+                c->updated = 0;
 
-            if(x->parentid && (
-                (               c->hash      == x->parent_hash && strcmp(c->id,     x->parentid) == 0) ||
-                (c->leafid   && c->leaf_hash == x->parent_hash && strcmp(c->leafid, x->parentid) == 0))) {
-                // debug(D_TC_LOOP, "TC: In device '%s', class '%s' (leafid: '%s') has as leaf class '%s' (parentid: '%s').", d->name?d->name:d->id, c->name?c->name:c->id, c->leafid?c->leafid:c->id, x->name?x->name:x->id, x->parentid?x->parentid:x->id);
-                c->isleaf = 0;
-                x->hasparent = 1;
-            }
-        }
+        updated_classes = 0;
     }
 
-    // debugging only
-    /*
-    if(unlikely(debug_flags & D_TC_LOOP)) {
-        for(c = d->classes ; c ; c = c->next) {
-            if(c->isleaf && c->hasparent) debug(D_TC_LOOP, "TC: Device '%s', class %s, OK", d->name, c->id);
-            else debug(D_TC_LOOP, "TC: Device '%s', class %s, IGNORE (isleaf: %d, hasparent: %d, parent: %s)", d->name?d->name:d->id, c->id, c->isleaf, c->hasparent, c->parentid?c->parentid:"(unset)");
+    // mark the classes as leafs and parents
+    //
+    // TC is hierarchical:
+    //  - classes can have other classes in them
+    //  - the same is true for qdiscs (i.e. qdiscs have classes, that have other qdiscs)
+    //
+    // we need to present a chart with leaf nodes only, so that the sum
+    // of all dimensions of the chart, will be the total utilization
+    // of the interface.
+    //
+    // here we try to find the ones we need to report
+    // by default all nodes are marked with: isleaf = 1 (see above)
+    //
+    // so, here we remove the isleaf flag from nodes in the middle
+    // and we add the hasparent flag to leaf nodes we found their parent
+    if(likely(!d->enabled_all_classes_qdiscs)) {
+        for(c = d->classes; c; c = c->next) {
+            if(unlikely(!c->updated)) continue;
+
+            //debug(D_TC_LOOP, "TC: In device '%s', %s '%s'  has leafid: '%s' and parentid '%s'.",
+            //    d->id,
+            //    c->isqdisc?"qdisc":"class",
+            //    c->id,
+            //    c->leafid?c->leafid:"NULL",
+            //    c->parentid?c->parentid:"NULL");
+
+            // find if c is leaf or not
+            for(x = d->classes; x; x = x->next) {
+                if(unlikely(!x->updated || c == x || !x->parentid)) continue;
+
+                // classes have both parentid and leafid
+                // qdiscs have only parentid
+                // the following works for both (it is an OR)
+
+                if((c->hash == x->parent_hash && strcmp(c->id, x->parentid) == 0) ||
+                   (c->leafid && c->leaf_hash == x->parent_hash && strcmp(c->leafid, x->parentid) == 0)) {
+                    // debug(D_TC_LOOP, "TC: In device '%s', %s '%s' (leafid: '%s') has as leaf %s '%s' (parentid: '%s').", d->name?d->name:d->id, c->isqdisc?"qdisc":"class", c->name?c->name:c->id, c->leafid?c->leafid:c->id, x->isqdisc?"qdisc":"class", x->name?x->name:x->id, x->parentid?x->parentid:x->id);
+                    c->isleaf = 0;
+                    x->hasparent = 1;
+                }
+            }
         }
     }
-    */
 
-    // we need at least a class
     for(c = d->classes ; c ; c = c->next) {
-        // debug(D_TC_LOOP, "TC: Device '%s', class '%s', isLeaf=%d, HasParent=%d, Seen=%d", d->name?d->name:d->id, c->name?c->name:c->id, c->isleaf, c->hasparent, c->seen);
-        if(unlikely(c->updated && c->isleaf && c->hasparent)) {
-            active_classes++;
+        if(unlikely(!c->updated)) continue;
+
+        // debug(D_TC_LOOP, "TC: device '%s', %s '%s' isleaf=%d, hasparent=%d", d->id, (c->isqdisc)?"qdisc":"class", c->id, c->isleaf, c->hasparent);
+
+        if(unlikely((c->isleaf && c->hasparent) || d->enabled_all_classes_qdiscs)) {
+            c->render = 1;
+            active_nodes++;
             bytes_sum += c->bytes;
             packets_sum += c->packets;
             dropped_sum += c->dropped;
             tokens_sum += c->tokens;
             ctokens_sum += c->ctokens;
         }
-    }
 
-    if(unlikely(!active_classes)) {
-        debug(D_TC_LOOP, "TC: Ignoring TC device '%s'. No leaf classes.", d->name?d->name:d->id);
-        tc_device_classes_cleanup(d);
-        return;
+        //if(unlikely(!c->hasparent)) {
+        //    if(root) error("TC: multiple root class/qdisc for device '%s' (old: '%s', new: '%s')", d->id, root->id, c->id);
+        //    root = c;
+        //    debug(D_TC_LOOP, "TC: found root class/qdisc '%s'", root->id);
+        //}
     }
 
-    if(unlikely(d->enabled == (char)-1)) {
-        char var_name[CONFIG_MAX_NAME + 1];
-        snprintfz(var_name, CONFIG_MAX_NAME, "qos for %s", d->id);
-        d->enabled         = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_new_interfaces);
-
-        snprintfz(var_name, CONFIG_MAX_NAME, "traffic chart for %s", d->id);
-        d->enabled_bytes   = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_bytes);
+#ifdef NETDATA_INTERNAL_CHECKS
+    // dump all the list to see what we know
 
-        snprintfz(var_name, CONFIG_MAX_NAME, "packets chart for %s", d->id);
-        d->enabled_packets = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_packets);
-
-        snprintfz(var_name, CONFIG_MAX_NAME, "dropped packets chart for %s", d->id);
-        d->enabled_dropped = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_dropped);
-
-        snprintfz(var_name, CONFIG_MAX_NAME, "tokens chart for %s", d->id);
-        d->enabled_tokens = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_tokens);
+    if(unlikely(debug_flags & D_TC_LOOP)) {
+        for(c = d->classes ; c ; c = c->next) {
+            if(c->render) debug(D_TC_LOOP, "TC: final nodes dump for '%s': class %s, OK", d->name, c->id);
+            else debug(D_TC_LOOP, "TC: final nodes dump for '%s': class %s, IGNORE (updated: %d, isleaf: %d, hasparent: %d, parent: %s)", d->name?d->name:d->id, c->id, c->updated, c->isleaf, c->hasparent, c->parentid?c->parentid:"(unset)");
+        }
+    }
+#endif
 
-        snprintfz(var_name, CONFIG_MAX_NAME, "ctokens chart for %s", d->id);
-        d->enabled_ctokens = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_ctokens);
+    if(unlikely(!active_nodes)) {
+        debug(D_TC_LOOP, "TC: Ignoring TC device '%s'. No useful classes/qdiscs.", d->name?d->name:d->id);
+        tc_device_classes_cleanup(d);
+        return;
     }
 
-    debug(D_TC_LOOP, "TC: evaluating TC device '%s'. enabled = %d/%d (bytes: %d/%d, packets: %d/%d, dropped: %d/%d, tokens: %d/%d, ctokens: %d/%d), classes = %d (bytes = %llu, packets = %llu, dropped = %llu, tokens = %llu, ctokens = %llu).",
+    debug(D_TC_LOOP, "TC: evaluating TC device '%s'. enabled = %d/%d (bytes: %d/%d, packets: %d/%d, dropped: %d/%d, tokens: %d/%d, ctokens: %d/%d, all_classes_qdiscs: %d/%d), classes: (bytes = %llu, packets = %llu, dropped = %llu, tokens = %llu, ctokens = %llu).",
         d->name?d->name:d->id,
         d->enabled, enable_new_interfaces,
         d->enabled_bytes, enable_bytes,
@@ -288,7 +359,7 @@ static inline void tc_device_commit(struct tc_device *d) {
         d->enabled_dropped, enable_dropped,
         d->enabled_tokens, enable_tokens,
         d->enabled_ctokens, enable_ctokens,
-        active_classes,
+        d->enabled_all_classes_qdiscs, enabled_all_classes_qdiscs,
         bytes_sum,
         packets_sum,
         dropped_sum,
@@ -296,287 +367,226 @@ static inline void tc_device_commit(struct tc_device *d) {
         ctokens_sum
         );
 
-    if(likely(d->enabled)) {
-        // --------------------------------------------------------------------
-        // bytes
+    // --------------------------------------------------------------------
+    // bytes
 
-        if(d->enabled_bytes == CONFIG_ONDEMAND_YES || (d->enabled_bytes == CONFIG_ONDEMAND_ONDEMAND && bytes_sum)) {
-            d->enabled_bytes = CONFIG_ONDEMAND_YES;
+    if(d->enabled_bytes == CONFIG_BOOLEAN_YES || (d->enabled_bytes == CONFIG_BOOLEAN_AUTO && bytes_sum)) {
+        d->enabled_bytes = CONFIG_BOOLEAN_YES;
 
-            if(unlikely(!d->st_bytes)) {
-                d->st_bytes = rrdset_find_bytype(RRD_TYPE_TC, d->id);
-                if(unlikely(!d->st_bytes)) {
-                    debug(D_TC_LOOP, "TC: Creating new chart for device '%s'", d->name?d->name:d->id);
-                    d->st_bytes = rrdset_create(RRD_TYPE_TC, d->id, d->name?d->name:d->id, d->family?d->family:d->id, RRD_TYPE_TC ".qos", "Class Usage", "kilobits/s", 7000, rrd_update_every, RRDSET_TYPE_STACKED);
-                }
-            }
-            else {
-                debug(D_TC_LOOP, "TC: Updating chart for device '%s'", d->name?d->name:d->id);
-                rrdset_next(d->st_bytes);
+        if(unlikely(!d->st_bytes))
+            d->st_bytes = rrdset_create_localhost(RRD_TYPE_TC, d->id, d->name ? d->name : d->id
+                                                  , d->family ? d->family : d->id, RRD_TYPE_TC ".qos", "Class Usage"
+                                                  , "kilobits/s", 7000, localhost->rrd_update_every
+                                                  , d->enabled_all_classes_qdiscs ? RRDSET_TYPE_LINE
+                                                                                  : RRDSET_TYPE_STACKED);
 
-                if(unlikely(d->name_updated && d->name && strcmp(d->id, d->name) != 0)) {
-                    rrdset_set_name(d->st_bytes, d->name);
-                    d->name_updated = 0;
-                }
+        else {
+            rrdset_next(d->st_bytes);
+            if(unlikely(d->name_updated)) rrdset_set_name(d->st_bytes, d->name);
 
-                // FIXME
-                // update the family
-            }
+            // FIXME
+            // update the family
+        }
 
-            for(c = d->classes ; c ; c = c->next) {
-                if(unlikely(!c->updated)) continue;
+        for(c = d->classes ; c ; c = c->next) {
+            if(unlikely(!c->render)) continue;
 
-                if(c->isleaf && c->hasparent) {
-                    if(unlikely(!c->rd_bytes)) {
-                        c->rd_bytes = rrddim_find(d->st_bytes, c->id);
-                        if(unlikely(!c->rd_bytes)) {
-                            debug(D_TC_LOOP, "TC: Adding to chart '%s', dimension '%s' (name: '%s')", d->st_bytes->id, c->id, c->name);
+            if(unlikely(!c->rd_bytes))
+                c->rd_bytes = rrddim_add(d->st_bytes, c->id, c->name?c->name:c->id, 8, 1024, RRD_ALGORITHM_INCREMENTAL);
+            else if(unlikely(c->name_updated))
+                rrddim_set_name(d->st_bytes, c->rd_bytes, c->name);
 
-                            // new class, we have to add it
-                            c->rd_bytes = rrddim_add(d->st_bytes, c->id, c->name?c->name:c->id, 8, 1024, RRDDIM_INCREMENTAL);
-                        }
-                        else debug(D_TC_LOOP, "TC: Updating chart '%s', dimension '%s'", d->st_bytes->id, c->id);
-                    }
+            rrddim_set_by_pointer(d->st_bytes, c->rd_bytes, c->bytes);
+        }
+        rrdset_done(d->st_bytes);
+    }
 
-                    rrddim_set_by_pointer(d->st_bytes, c->rd_bytes, c->bytes);
+    // --------------------------------------------------------------------
+    // packets
 
-                    // if it has a name, different to the id
-                    if(unlikely(c->name_updated && c->name && strcmp(c->id, c->name) != 0)) {
-                        // update the rrd dimension with the new name
-                        debug(D_TC_LOOP, "TC: Setting chart '%s', dimension '%s' name to '%s'", d->st_bytes->id, c->rd_bytes->id, c->name);
-                        rrddim_set_name(d->st_bytes, c->rd_bytes, c->name);
-                    }
-                }
-            }
-            rrdset_done(d->st_bytes);
-        }
+    if(d->enabled_packets == CONFIG_BOOLEAN_YES || (d->enabled_packets == CONFIG_BOOLEAN_AUTO && packets_sum)) {
+        d->enabled_packets = CONFIG_BOOLEAN_YES;
 
-        // --------------------------------------------------------------------
-        // packets
-        
-        if(d->enabled_packets == CONFIG_ONDEMAND_YES || (d->enabled_packets == CONFIG_ONDEMAND_ONDEMAND && packets_sum)) {
-            d->enabled_packets = CONFIG_ONDEMAND_YES;
+        if(unlikely(!d->st_packets)) {
+            char id[RRD_ID_LENGTH_MAX + 1];
+            char name[RRD_ID_LENGTH_MAX + 1];
+            snprintfz(id, RRD_ID_LENGTH_MAX, "%s_packets", d->id);
+            snprintfz(name, RRD_ID_LENGTH_MAX, "%s_packets", d->name?d->name:d->id);
 
-            if(unlikely(!d->st_packets)) {
-                char id[RRD_ID_LENGTH_MAX + 1];
+            d->st_packets = rrdset_create_localhost(RRD_TYPE_TC, id, name, d->family ? d->family : d->id
+                                                    , RRD_TYPE_TC ".qos_packets", "Class Packets", "packets/s", 7010
+                                                    , localhost->rrd_update_every, d->enabled_all_classes_qdiscs ? RRDSET_TYPE_LINE
+                                                                                                      : RRDSET_TYPE_STACKED);
+        }
+        else {
+            rrdset_next(d->st_packets);
+
+            if(unlikely(d->name_updated)) {
                 char name[RRD_ID_LENGTH_MAX + 1];
-                snprintfz(id, RRD_ID_LENGTH_MAX, "%s_packets", d->id);
                 snprintfz(name, RRD_ID_LENGTH_MAX, "%s_packets", d->name?d->name:d->id);
-
-                d->st_packets = rrdset_find_bytype(RRD_TYPE_TC, id);
-                if(unlikely(!d->st_packets)) {
-                    debug(D_TC_LOOP, "TC: Creating new _packets chart for device '%s'", d->name?d->name:d->id);
-                    d->st_packets = rrdset_create(RRD_TYPE_TC, id, name, d->family?d->family:d->id, RRD_TYPE_TC ".qos_packets", "Class Packets", "packets/s", 7010, rrd_update_every, RRDSET_TYPE_STACKED);
-                }
+                rrdset_set_name(d->st_packets, name);
             }
-            else {
-                debug(D_TC_LOOP, "TC: Updating _packets chart for device '%s'", d->name?d->name:d->id);
-                rrdset_next(d->st_packets);
 
-                // FIXME
-                // update the family
-            }
+            // FIXME
+            // update the family
+        }
 
-            for(c = d->classes ; c ; c = c->next) {
-                if(unlikely(!c->updated)) continue;
+        for(c = d->classes ; c ; c = c->next) {
+            if(unlikely(!c->render)) continue;
 
-                if(c->isleaf && c->hasparent) {
-                    if(unlikely(!c->rd_packets)) {
-                        c->rd_packets = rrddim_find(d->st_packets, c->id);
-                        if(unlikely(!c->rd_packets)) {
-                            debug(D_TC_LOOP, "TC: Adding to chart '%s', dimension '%s' (name: '%s')", d->st_packets->id, c->id, c->name);
+            if(unlikely(!c->rd_packets))
+                c->rd_packets = rrddim_add(d->st_packets, c->id, c->name?c->name:c->id, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+            else if(unlikely(c->name_updated))
+                rrddim_set_name(d->st_packets, c->rd_packets, c->name);
 
-                            // new class, we have to add it
-                            c->rd_packets = rrddim_add(d->st_packets, c->id, c->name?c->name:c->id, 1, 1, RRDDIM_INCREMENTAL);
-                        }
-                        else debug(D_TC_LOOP, "TC: Updating chart '%s', dimension '%s'", d->st_packets->id, c->id);
-                    }
+            rrddim_set_by_pointer(d->st_packets, c->rd_packets, c->packets);
+        }
+        rrdset_done(d->st_packets);
+    }
 
-                    rrddim_set_by_pointer(d->st_packets, c->rd_packets, c->packets);
+    // --------------------------------------------------------------------
+    // dropped
 
-                    // if it has a name, different to the id
-                    if(unlikely(c->name_updated && c->name && strcmp(c->id, c->name) != 0)) {
-                        // update the rrd dimension with the new name
-                        debug(D_TC_LOOP, "TC: Setting chart '%s', dimension '%s' name to '%s'", d->st_packets->id, c->rd_packets->id, c->name);
-                        rrddim_set_name(d->st_packets, c->rd_packets, c->name);
-                    }
-                }
-            }
-            rrdset_done(d->st_packets);
+    if(d->enabled_dropped == CONFIG_BOOLEAN_YES || (d->enabled_dropped == CONFIG_BOOLEAN_AUTO && dropped_sum)) {
+        d->enabled_dropped = CONFIG_BOOLEAN_YES;
+
+        if(unlikely(!d->st_dropped)) {
+            char id[RRD_ID_LENGTH_MAX + 1];
+            char name[RRD_ID_LENGTH_MAX + 1];
+            snprintfz(id, RRD_ID_LENGTH_MAX, "%s_dropped", d->id);
+            snprintfz(name, RRD_ID_LENGTH_MAX, "%s_dropped", d->name?d->name:d->id);
+
+            d->st_dropped = rrdset_create_localhost(RRD_TYPE_TC, id, name, d->family ? d->family : d->id
+                                                    , RRD_TYPE_TC ".qos_dropped", "Class Dropped Packets", "packets/s"
+                                                    , 7020, localhost->rrd_update_every
+                                                    , d->enabled_all_classes_qdiscs ? RRDSET_TYPE_LINE
+                                                                                    : RRDSET_TYPE_STACKED);
         }
+        else {
+            rrdset_next(d->st_dropped);
 
-        // --------------------------------------------------------------------
-        // dropped
-        
-        if(d->enabled_dropped == CONFIG_ONDEMAND_YES || (d->enabled_dropped == CONFIG_ONDEMAND_ONDEMAND && dropped_sum)) {
-            d->enabled_dropped = CONFIG_ONDEMAND_YES;
-            
-            if(unlikely(!d->st_dropped)) {
-                char id[RRD_ID_LENGTH_MAX + 1];
+            if(unlikely(d->name_updated)) {
                 char name[RRD_ID_LENGTH_MAX + 1];
-                snprintfz(id, RRD_ID_LENGTH_MAX, "%s_dropped", d->id);
                 snprintfz(name, RRD_ID_LENGTH_MAX, "%s_dropped", d->name?d->name:d->id);
-
-                d->st_dropped = rrdset_find_bytype(RRD_TYPE_TC, id);
-                if(unlikely(!d->st_dropped)) {
-                    debug(D_TC_LOOP, "TC: Creating new _dropped chart for device '%s'", d->name?d->name:d->id);
-                    d->st_dropped = rrdset_create(RRD_TYPE_TC, id, name, d->family?d->family:d->id, RRD_TYPE_TC ".qos_dropped", "Class Dropped Packets", "packets/s", 7020, rrd_update_every, RRDSET_TYPE_STACKED);
-                }
+                rrdset_set_name(d->st_dropped, name);
             }
-            else {
-                debug(D_TC_LOOP, "TC: Updating _dropped chart for device '%s'", d->name?d->name:d->id);
-                rrdset_next(d->st_dropped);
 
-                // FIXME
-                // update the family
-            }
+            // FIXME
+            // update the family
+        }
 
-            for(c = d->classes ; c ; c = c->next) {
-                if(unlikely(!c->updated)) continue;
+        for(c = d->classes ; c ; c = c->next) {
+            if(unlikely(!c->render)) continue;
 
-                if(c->isleaf && c->hasparent) {
-                    if(unlikely(!c->rd_dropped)) {
-                        c->rd_dropped = rrddim_find(d->st_dropped, c->id);
-                        if(unlikely(!c->rd_dropped)) {
-                            debug(D_TC_LOOP, "TC: Adding to chart '%s', dimension '%s' (name: '%s')", d->st_dropped->id, c->id, c->name);
+            if(unlikely(!c->rd_dropped))
+                c->rd_dropped = rrddim_add(d->st_dropped, c->id, c->name?c->name:c->id, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+            else if(unlikely(c->name_updated))
+                rrddim_set_name(d->st_dropped, c->rd_dropped, c->name);
 
-                            // new class, we have to add it
-                            c->rd_dropped = rrddim_add(d->st_dropped, c->id, c->name?c->name:c->id, 1, 1, RRDDIM_INCREMENTAL);
-                        }
-                        else debug(D_TC_LOOP, "TC: Updating chart '%s', dimension '%s'", d->st_dropped->id, c->id);
-                    }
+            rrddim_set_by_pointer(d->st_dropped, c->rd_dropped, c->dropped);
+        }
+        rrdset_done(d->st_dropped);
+    }
 
-                    rrddim_set_by_pointer(d->st_dropped, c->rd_dropped, c->dropped);
+    // --------------------------------------------------------------------
+    // tokens
 
-                    // if it has a name, different to the id
-                    if(unlikely(c->name_updated && c->name && strcmp(c->id, c->name) != 0)) {
-                        // update the rrd dimension with the new name
-                        debug(D_TC_LOOP, "TC: Setting chart '%s', dimension '%s' name to '%s'", d->st_dropped->id, c->rd_dropped->id, c->name);
-                        rrddim_set_name(d->st_dropped, c->rd_dropped, c->name);
-                    }
-                }
-            }
-            rrdset_done(d->st_dropped);
+    if(d->enabled_tokens == CONFIG_BOOLEAN_YES || (d->enabled_tokens == CONFIG_BOOLEAN_AUTO && tokens_sum)) {
+        d->enabled_tokens = CONFIG_BOOLEAN_YES;
+
+        if(unlikely(!d->st_tokens)) {
+            char id[RRD_ID_LENGTH_MAX + 1];
+            char name[RRD_ID_LENGTH_MAX + 1];
+            snprintfz(id, RRD_ID_LENGTH_MAX, "%s_tokens", d->id);
+            snprintfz(name, RRD_ID_LENGTH_MAX, "%s_tokens", d->name?d->name:d->id);
+
+            d->st_tokens = rrdset_create_localhost(RRD_TYPE_TC, id, name, d->family ? d->family : d->id
+                                                   , RRD_TYPE_TC ".qos_tokens", "Class Tokens", "tokens", 7030
+                                                   , localhost->rrd_update_every, RRDSET_TYPE_LINE);
         }
+        else {
+            rrdset_next(d->st_tokens);
 
-        // --------------------------------------------------------------------
-        // tokens
-        
-        if(d->enabled_tokens == CONFIG_ONDEMAND_YES || (d->enabled_tokens == CONFIG_ONDEMAND_ONDEMAND && tokens_sum)) {
-            d->enabled_tokens = CONFIG_ONDEMAND_YES;
-            
-            if(unlikely(!d->st_tokens)) {
-                char id[RRD_ID_LENGTH_MAX + 1];
+            if(unlikely(d->name_updated)) {
                 char name[RRD_ID_LENGTH_MAX + 1];
-                snprintfz(id, RRD_ID_LENGTH_MAX, "%s_tokens", d->id);
                 snprintfz(name, RRD_ID_LENGTH_MAX, "%s_tokens", d->name?d->name:d->id);
-
-                d->st_tokens = rrdset_find_bytype(RRD_TYPE_TC, id);
-                if(unlikely(!d->st_tokens)) {
-                    debug(D_TC_LOOP, "TC: Creating new _tokens chart for device '%s'", d->name?d->name:d->id);
-                    d->st_tokens = rrdset_create(RRD_TYPE_TC, id, name, d->family?d->family:d->id, RRD_TYPE_TC ".qos_tokens", "Class Tokens", "tokens", 7030, rrd_update_every, RRDSET_TYPE_LINE);
-                }
+                rrdset_set_name(d->st_tokens, name);
             }
-            else {
-                debug(D_TC_LOOP, "TC: Updating _tokens chart for device '%s'", d->name?d->name:d->id);
-                rrdset_next(d->st_tokens);
 
-                // FIXME
-                // update the family
+            // FIXME
+            // update the family
+        }
+
+        for(c = d->classes ; c ; c = c->next) {
+            if(unlikely(!c->render)) continue;
+
+            if(unlikely(!c->rd_tokens)) {
+                c->rd_tokens = rrddim_add(d->st_tokens, c->id, c->name?c->name:c->id, 1, 1, RRD_ALGORITHM_ABSOLUTE);
             }
+            else if(unlikely(c->name_updated))
+                rrddim_set_name(d->st_tokens, c->rd_tokens, c->name);
 
-            for(c = d->classes ; c ; c = c->next) {
-                if(unlikely(!c->updated)) continue;
+            rrddim_set_by_pointer(d->st_tokens, c->rd_tokens, c->tokens);
+        }
+        rrdset_done(d->st_tokens);
+    }
 
-                if(c->isleaf && c->hasparent) {
-                    if(unlikely(!c->rd_tokens)) {
-                        c->rd_tokens = rrddim_find(d->st_tokens, c->id);
-                        if(unlikely(!c->rd_tokens)) {
-                            debug(D_TC_LOOP, "TC: Adding to chart '%s', dimension '%s' (name: '%s')", d->st_tokens->id, c->id, c->name);
+    // --------------------------------------------------------------------
+    // ctokens
 
-                            // new class, we have to add it
-                            c->rd_tokens = rrddim_add(d->st_tokens, c->id, c->name?c->name:c->id, 1, 1, RRDDIM_ABSOLUTE);
-                        }
-                        else debug(D_TC_LOOP, "TC: Updating chart '%s', dimension '%s'", d->st_tokens->id, c->id);
-                    }
+    if(d->enabled_ctokens == CONFIG_BOOLEAN_YES || (d->enabled_ctokens == CONFIG_BOOLEAN_AUTO && ctokens_sum)) {
+        d->enabled_ctokens = CONFIG_BOOLEAN_YES;
 
-                    rrddim_set_by_pointer(d->st_tokens, c->rd_tokens, c->tokens);
+        if(unlikely(!d->st_ctokens)) {
+            char id[RRD_ID_LENGTH_MAX + 1];
+            char name[RRD_ID_LENGTH_MAX + 1];
+            snprintfz(id, RRD_ID_LENGTH_MAX, "%s_ctokens", d->id);
+            snprintfz(name, RRD_ID_LENGTH_MAX, "%s_ctokens", d->name?d->name:d->id);
 
-                    // if it has a name, different to the id
-                    if(unlikely(c->name_updated && c->name && strcmp(c->id, c->name) != 0)) {
-                        // update the rrd dimension with the new name
-                        debug(D_TC_LOOP, "TC: Setting chart '%s', dimension '%s' name to '%s'", d->st_tokens->id, c->rd_tokens->id, c->name);
-                        rrddim_set_name(d->st_tokens, c->rd_tokens, c->name);
-                    }
-                }
-            }
-            rrdset_done(d->st_tokens);
+            d->st_ctokens = rrdset_create_localhost(RRD_TYPE_TC, id, name, d->family ? d->family : d->id
+                                                    , RRD_TYPE_TC ".qos_ctokens", "Class cTokens", "ctokens", 7040
+                                                    , localhost->rrd_update_every, RRDSET_TYPE_LINE);
         }
+        else {
+            debug(D_TC_LOOP, "TC: Updating _ctokens chart for device '%s'", d->name?d->name:d->id);
+            rrdset_next(d->st_ctokens);
 
-        // --------------------------------------------------------------------
-        // ctokens
-        
-        if(d->enabled_ctokens == CONFIG_ONDEMAND_YES || (d->enabled_ctokens == CONFIG_ONDEMAND_ONDEMAND && ctokens_sum)) {
-            d->enabled_ctokens = CONFIG_ONDEMAND_YES;
-            
-            if(unlikely(!d->st_ctokens)) {
-                char id[RRD_ID_LENGTH_MAX + 1];
+            if(unlikely(d->name_updated)) {
                 char name[RRD_ID_LENGTH_MAX + 1];
-                snprintfz(id, RRD_ID_LENGTH_MAX, "%s_ctokens", d->id);
                 snprintfz(name, RRD_ID_LENGTH_MAX, "%s_ctokens", d->name?d->name:d->id);
-
-                d->st_ctokens = rrdset_find_bytype(RRD_TYPE_TC, id);
-                if(unlikely(!d->st_ctokens)) {
-                    debug(D_TC_LOOP, "TC: Creating new _ctokens chart for device '%s'", d->name?d->name:d->id);
-                    d->st_ctokens = rrdset_create(RRD_TYPE_TC, id, name, d->family?d->family:d->id, RRD_TYPE_TC ".qos_ctokens", "Class cTokens", "ctokens", 7040, rrd_update_every, RRDSET_TYPE_LINE);
-                }
+                rrdset_set_name(d->st_ctokens, name);
             }
-            else {
-                debug(D_TC_LOOP, "TC: Updating _ctokens chart for device '%s'", d->name?d->name:d->id);
-                rrdset_next(d->st_ctokens);
-
-                // FIXME
-                // update the family
-            }
-
-            for(c = d->classes ; c ; c = c->next) {
-                if(unlikely(!c->updated)) continue;
 
-                if(c->isleaf && c->hasparent) {
-                    if(unlikely(!c->rd_ctokens)) {
-                        c->rd_ctokens = rrddim_find(d->st_ctokens, c->id);
-                        if(unlikely(!c->rd_ctokens)) {
-                            debug(D_TC_LOOP, "TC: Adding to chart '%s', dimension '%s' (name: '%s')", d->st_ctokens->id, c->id, c->name);
+            // FIXME
+            // update the family
+        }
 
-                            // new class, we have to add it
-                            c->rd_ctokens = rrddim_add(d->st_ctokens, c->id, c->name?c->name:c->id, 1, 1, RRDDIM_ABSOLUTE);
-                        }
-                        else debug(D_TC_LOOP, "TC: Updating chart '%s', dimension '%s'", d->st_ctokens->id, c->id);
-                    }
+        for(c = d->classes ; c ; c = c->next) {
+            if(unlikely(!c->render)) continue;
 
-                    rrddim_set_by_pointer(d->st_ctokens, c->rd_ctokens, c->ctokens);
+            if(unlikely(!c->rd_ctokens))
+                c->rd_ctokens = rrddim_add(d->st_ctokens, c->id, c->name?c->name:c->id, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+            else if(unlikely(c->name_updated))
+                rrddim_set_name(d->st_ctokens, c->rd_ctokens, c->name);
 
-                    // if it has a name, different to the id
-                    if(unlikely(c->name_updated && c->name && strcmp(c->id, c->name) != 0)) {
-                        // update the rrd dimension with the new name
-                        debug(D_TC_LOOP, "TC: Setting chart '%s', dimension '%s' name to '%s'", d->st_ctokens->id, c->rd_ctokens->id, c->name);
-                        rrddim_set_name(d->st_ctokens, c->rd_ctokens, c->name);
-                    }
-                }
-            }
-            rrdset_done(d->st_ctokens);
+            rrddim_set_by_pointer(d->st_ctokens, c->rd_ctokens, c->ctokens);
         }
+        rrdset_done(d->st_ctokens);
     }
 
     tc_device_classes_cleanup(d);
 }
 
-static inline void tc_device_set_class_name(struct tc_device *d, char *id, char *name)
-{
+static inline void tc_device_set_class_name(struct tc_device *d, char *id, char *name) {
+    if(unlikely(!name || !*name)) return;
+
     struct tc_class *c = tc_class_index_find(d, id, 0);
     if(likely(c)) {
-        freez(c->name);
-        c->name = NULL;
+        if(likely(c->name)) {
+            if(!strcmp(c->name, name)) return;
+            freez(c->name);
+            c->name = NULL;
+        }
 
         if(likely(name && *name && strcmp(c->id, name) != 0)) {
             debug(D_TC_LOOP, "TC: Setting device '%s', class '%s' name to '%s'", d->id, id, name);
@@ -587,10 +597,15 @@ static inline void tc_device_set_class_name(struct tc_device *d, char *id, char
 }
 
 static inline void tc_device_set_device_name(struct tc_device *d, char *name) {
-    freez(d->name);
-    d->name = NULL;
+    if(unlikely(!name || !*name)) return;
+
+    if(d->name) {
+        if(!strcmp(d->name, name)) return;
+        freez(d->name);
+        d->name = NULL;
+    }
 
-    if(likely(name && *name && strcmp(d->id, name) != 0)) {
+    if(likely(name && *name && strcmp(d->id, name))) {
         debug(D_TC_LOOP, "TC: Setting device '%s' name to '%s'", d->id, name);
         d->name = strdupz(name);
         d->name_updated = 1;
@@ -639,7 +654,7 @@ static inline struct tc_device *tc_device_create(char *id)
     return(d);
 }
 
-static inline struct tc_class *tc_class_add(struct tc_device *n, char *id, char *parentid, char *leafid)
+static inline struct tc_class *tc_class_add(struct tc_device *n, char *id, char qdisc, char *parentid, char *leafid)
 {
     struct tc_class *c = tc_class_index_find(n, id, 0);
 
@@ -655,6 +670,7 @@ static inline struct tc_class *tc_class_add(struct tc_device *n, char *id, char
         c->id = strdupz(id);
         c->hash = simple_hash(c->id);
 
+        c->isqdisc = qdisc;
         if(parentid && *parentid) {
             c->parentid = strdupz(parentid);
             c->parent_hash = simple_hash(c->parentid);
@@ -767,6 +783,7 @@ void *tc_main(void *ptr) {
 
     uint32_t BEGIN_HASH = simple_hash("BEGIN");
     uint32_t END_HASH = simple_hash("END");
+    uint32_t QDISC_HASH = simple_hash("qdisc");
     uint32_t CLASS_HASH = simple_hash("class");
     uint32_t SENT_HASH = simple_hash("Sent");
     uint32_t LENDED_HASH = simple_hash("lended:");
@@ -780,7 +797,7 @@ void *tc_main(void *ptr) {
 #endif
     uint32_t first_hash;
 
-    snprintfz(buffer, TC_LINE_MAX, "%s/tc-qos-helper.sh", config_get("plugins", "plugins directory", PLUGINS_DIR));
+    snprintfz(buffer, TC_LINE_MAX, "%s/tc-qos-helper.sh", netdata_configured_plugins_dir);
     char *tc_script = config_get("plugin:tc", "script to run to get tc values", buffer);
     
     for(;1;) {
@@ -790,7 +807,7 @@ void *tc_main(void *ptr) {
         struct tc_device *device = NULL;
         struct tc_class *class = NULL;
 
-        snprintfz(buffer, TC_LINE_MAX, "exec %s %d", tc_script, rrd_update_every);
+        snprintfz(buffer, TC_LINE_MAX, "exec %s %d", tc_script, localhost->rrd_update_every);
         debug(D_TC_LOOP, "executing '%s'", buffer);
 
         fp = mypopen(buffer, (pid_t *)&tc_child_pid);
@@ -815,25 +832,51 @@ void *tc_main(void *ptr) {
 
             first_hash = simple_hash(words[0]);
 
-            if(unlikely(device && first_hash == CLASS_HASH && strcmp(words[0], "class") == 0)) {
+            if(unlikely(device && ((first_hash == CLASS_HASH && strcmp(words[0], "class") == 0) ||  (first_hash == QDISC_HASH && strcmp(words[0], "qdisc") == 0)))) {
                 // debug(D_TC_LOOP, "CLASS line on class id='%s', parent='%s', parentid='%s', leaf='%s', leafid='%s'", words[2], words[3], words[4], words[5], words[6]);
 
-                // words[1] : class type
-                // words[2] : N:XX
-                // words[3] : parent or root
-                if(likely(words[1] && words[2] && words[3] && (strcmp(words[3], "parent") == 0 || strcmp(words[3], "root") == 0))) {
-                    //char *type     = words[1];  // the class: htb, fq_codel, etc
+                char *type     = words[1];  // the class/qdisc type: htb, fq_codel, etc
+                char *id       = words[2];  // the class/qdisc major:minor
+                char *parent   = words[3];  // the word 'parent' or 'root'
+                char *parentid = words[4];  // parentid
+                char *leaf     = words[5];  // the word 'leaf'
+                char *leafid   = words[6];  // leafid
+
+                int parent_is_root = 0;
+                int parent_is_parent = 0;
+                if(likely(parent)) {
+                    parent_is_parent = !strcmp(parent, "parent");
 
-                    // we are only interested for HTB classes
-                    //if(strcmp(type, "htb") != 0) continue;
+                    if(!parent_is_parent)
+                        parent_is_root = !strcmp(parent, "root");
+                }
+
+                if(likely(type && id && (parent_is_root || parent_is_parent))) {
+                    char qdisc = 0;
+
+                    if(first_hash == QDISC_HASH) {
+                        qdisc = 1;
 
-                    char *id       = words[2];  // the class major:minor
-                    char *parent   = words[3];  // 'parent' or 'root'
-                    char *parentid = words[4];  // the parent's id
-                    char *leaf     = words[5];  // 'leaf'
-                    char *leafid   = words[6];  // leafid
+                        if(!strcmp(type, "ingress")) {
+                            // we don't want to get the ingress qdisc
+                            // there should be an IFB interface for this
+
+                            class = NULL;
+                            continue;
+                        }
+
+                        if(parent_is_parent && parentid) {
+                            // eliminate the minor number from parentid
+                            // why: parentid is the id of the parent class
+                            // but major: is also the id of the parent qdisc
+
+                            char *s = parentid;
+                            while(*s && *s != ':') s++;
+                            if(*s == ':') s[1] = '\0';
+                        }
+                    }
 
-                    if(strcmp(parent, "root") == 0) {
+                    if(parent_is_root) {
                         parentid = NULL;
                         leafid = NULL;
                     }
@@ -847,7 +890,7 @@ void *tc_main(void *ptr) {
                         leafid = leafbuf;
                     }
 
-                    class = tc_class_add(device, id, parentid, leafid);
+                    class = tc_class_add(device, id, qdisc, parentid, leafid);
                 }
                 else {
                     // clear the last class
@@ -946,11 +989,13 @@ void *tc_main(void *ptr) {
                 // debug(D_TC_LOOP, "WORKTIME line '%s' '%s'", words[1], words[2]);
                 getrusage(RUSAGE_THREAD, &thread);
 
-                if(unlikely(!stcpu)) stcpu = rrdset_find("netdata.plugin_tc_cpu");
+                if(unlikely(!stcpu)) stcpu = rrdset_find_localhost("netdata.plugin_tc_cpu");
                 if(unlikely(!stcpu)) {
-                    stcpu = rrdset_create("netdata", "plugin_tc_cpu", NULL, "tc.helper", NULL, "NetData TC CPU usage", "milliseconds/s", 135000, rrd_update_every, RRDSET_TYPE_STACKED);
-                    rrddim_add(stcpu, "user",  NULL,  1, 1000, RRDDIM_INCREMENTAL);
-                    rrddim_add(stcpu, "system", NULL, 1, 1000, RRDDIM_INCREMENTAL);
+                    stcpu = rrdset_create_localhost("netdata", "plugin_tc_cpu", NULL, "tc.helper", NULL
+                                                    , "NetData TC CPU usage", "milliseconds/s", 135000, localhost->rrd_update_every
+                                                    , RRDSET_TYPE_STACKED);
+                    rrddim_add(stcpu, "user",  NULL,  1, 1000, RRD_ALGORITHM_INCREMENTAL);
+                    rrddim_add(stcpu, "system", NULL, 1, 1000, RRD_ALGORITHM_INCREMENTAL);
                 }
                 else rrdset_next(stcpu);
 
@@ -958,10 +1003,12 @@ void *tc_main(void *ptr) {
                 rrddim_set(stcpu, "system", thread.ru_stime.tv_sec * 1000000ULL + thread.ru_stime.tv_usec);
                 rrdset_done(stcpu);
 
-                if(unlikely(!sttime)) stcpu = rrdset_find("netdata.plugin_tc_time");
+                if(unlikely(!sttime)) sttime = rrdset_find_localhost("netdata.plugin_tc_time");
                 if(unlikely(!sttime)) {
-                    sttime = rrdset_create("netdata", "plugin_tc_time", NULL, "tc.helper", NULL, "NetData TC script execution", "milliseconds/run", 135001, rrd_update_every, RRDSET_TYPE_AREA);
-                    rrddim_add(sttime, "run_time",  "run time",  1, 1, RRDDIM_ABSOLUTE);
+                    sttime = rrdset_create_localhost("netdata", "plugin_tc_time", NULL, "tc.helper", NULL
+                                                     , "NetData TC script execution", "milliseconds/run", 135001
+                                                     , localhost->rrd_update_every, RRDSET_TYPE_AREA);
+                    rrddim_add(sttime, "run_time",  "run time",  1, 1, RRD_ALGORITHM_ABSOLUTE);
                 }
                 else rrdset_next(sttime);
 
@@ -1009,7 +1056,7 @@ void *tc_main(void *ptr) {
             goto cleanup;
         }
 
-        sleep((unsigned int) rrd_update_every);
+        sleep((unsigned int) localhost->rrd_update_every);
     }
 
 cleanup: