1164 lines
42 KiB
C
1164 lines
42 KiB
C
// SPDX-License-Identifier: GPL-3.0-or-later
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#include "plugin_tc.h"
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#define RRD_TYPE_TC "tc"
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#define PLUGIN_TC_NAME "tc.plugin"
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// ----------------------------------------------------------------------------
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// /sbin/tc processor
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// this requires the script plugins.d/tc-qos-helper.sh
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#define TC_LINE_MAX 1024
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struct tc_class {
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avl avl;
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char *id;
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uint32_t hash;
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char *name;
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char *leafid;
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uint32_t leaf_hash;
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char *parentid;
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uint32_t parent_hash;
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char hasparent;
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char isleaf;
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char isqdisc;
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char render;
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unsigned long long bytes;
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unsigned long long packets;
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unsigned long long dropped;
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unsigned long long overlimits;
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unsigned long long requeues;
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unsigned long long lended;
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unsigned long long borrowed;
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unsigned long long giants;
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unsigned long long tokens;
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unsigned long long ctokens;
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RRDDIM *rd_bytes;
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RRDDIM *rd_packets;
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RRDDIM *rd_dropped;
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RRDDIM *rd_tokens;
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RRDDIM *rd_ctokens;
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char name_updated;
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char updated; // updated bytes
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int unupdated; // the number of times, this has been found un-updated
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struct tc_class *next;
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struct tc_class *prev;
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};
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struct tc_device {
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avl avl;
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char *id;
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uint32_t hash;
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char *name;
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char *family;
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char name_updated;
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char family_updated;
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char enabled;
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char enabled_bytes;
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char enabled_packets;
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char enabled_dropped;
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char enabled_tokens;
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char enabled_ctokens;
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char enabled_all_classes_qdiscs;
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RRDSET *st_bytes;
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RRDSET *st_packets;
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RRDSET *st_dropped;
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RRDSET *st_tokens;
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RRDSET *st_ctokens;
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avl_tree_type classes_index;
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struct tc_class *classes;
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struct tc_class *last_class;
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struct tc_device *next;
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struct tc_device *prev;
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};
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struct tc_device *tc_device_root = NULL;
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// ----------------------------------------------------------------------------
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// tc_device index
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static int tc_device_compare(void* a, void* b) {
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if(((struct tc_device *)a)->hash < ((struct tc_device *)b)->hash) return -1;
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else if(((struct tc_device *)a)->hash > ((struct tc_device *)b)->hash) return 1;
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else return strcmp(((struct tc_device *)a)->id, ((struct tc_device *)b)->id);
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}
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avl_tree_type tc_device_root_index = {
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NULL,
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tc_device_compare
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};
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#define tc_device_index_add(st) (struct tc_device *)avl_insert(&tc_device_root_index, (avl *)(st))
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#define tc_device_index_del(st) (struct tc_device *)avl_remove(&tc_device_root_index, (avl *)(st))
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static inline struct tc_device *tc_device_index_find(const char *id, uint32_t hash) {
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struct tc_device tmp;
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tmp.id = (char *)id;
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tmp.hash = (hash)?hash:simple_hash(tmp.id);
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return (struct tc_device *)avl_search(&(tc_device_root_index), (avl *)&tmp);
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}
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// ----------------------------------------------------------------------------
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// tc_class index
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static int tc_class_compare(void* a, void* b) {
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if(((struct tc_class *)a)->hash < ((struct tc_class *)b)->hash) return -1;
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else if(((struct tc_class *)a)->hash > ((struct tc_class *)b)->hash) return 1;
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else return strcmp(((struct tc_class *)a)->id, ((struct tc_class *)b)->id);
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}
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#define tc_class_index_add(st, rd) (struct tc_class *)avl_insert(&((st)->classes_index), (avl *)(rd))
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#define tc_class_index_del(st, rd) (struct tc_class *)avl_remove(&((st)->classes_index), (avl *)(rd))
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static inline struct tc_class *tc_class_index_find(struct tc_device *st, const char *id, uint32_t hash) {
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struct tc_class tmp;
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tmp.id = (char *)id;
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tmp.hash = (hash)?hash:simple_hash(tmp.id);
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return (struct tc_class *)avl_search(&(st->classes_index), (avl *) &tmp);
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}
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// ----------------------------------------------------------------------------
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static inline void tc_class_free(struct tc_device *n, struct tc_class *c) {
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if(c == n->classes) {
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if(likely(c->next))
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n->classes = c->next;
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else
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n->classes = c->prev;
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}
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if(c == n->last_class) {
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if(unlikely(c->next))
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n->last_class = c->next;
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else
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n->last_class = c->prev;
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}
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if(c->next) c->next->prev = c->prev;
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if(c->prev) c->prev->next = c->next;
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debug(D_TC_LOOP, "Removing from device '%s' class '%s', parentid '%s', leafid '%s', unused=%d", n->id, c->id, c->parentid?c->parentid:"", c->leafid?c->leafid:"", c->unupdated);
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if(unlikely(tc_class_index_del(n, c) != c))
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error("plugin_tc: INTERNAL ERROR: attempt remove class '%s' from device '%s': removed a different calls", c->id, n->id);
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freez(c->id);
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freez(c->name);
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freez(c->leafid);
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freez(c->parentid);
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freez(c);
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}
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static inline void tc_device_classes_cleanup(struct tc_device *d) {
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static int cleanup_every = 999;
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if(unlikely(cleanup_every > 0)) {
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cleanup_every = (int) config_get_number("plugin:tc", "cleanup unused classes every", 120);
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if(cleanup_every < 0) cleanup_every = -cleanup_every;
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}
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d->name_updated = 0;
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d->family_updated = 0;
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struct tc_class *c = d->classes;
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while(c) {
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if(unlikely(cleanup_every && c->unupdated >= cleanup_every)) {
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struct tc_class *nc = c->next;
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tc_class_free(d, c);
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c = nc;
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}
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else {
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c->updated = 0;
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c->name_updated = 0;
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c = c->next;
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}
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}
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}
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static inline void tc_device_commit(struct tc_device *d) {
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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;
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if(unlikely(enable_new_interfaces == -1)) {
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enable_new_interfaces = config_get_boolean_ondemand("plugin:tc", "enable new interfaces detected at runtime", CONFIG_BOOLEAN_YES);
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enable_bytes = config_get_boolean_ondemand("plugin:tc", "enable traffic charts for all interfaces", CONFIG_BOOLEAN_AUTO);
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enable_packets = config_get_boolean_ondemand("plugin:tc", "enable packets charts for all interfaces", CONFIG_BOOLEAN_AUTO);
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enable_dropped = config_get_boolean_ondemand("plugin:tc", "enable dropped charts for all interfaces", CONFIG_BOOLEAN_AUTO);
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enable_tokens = config_get_boolean_ondemand("plugin:tc", "enable tokens charts for all interfaces", CONFIG_BOOLEAN_NO);
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enable_ctokens = config_get_boolean_ondemand("plugin:tc", "enable ctokens charts for all interfaces", CONFIG_BOOLEAN_NO);
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enabled_all_classes_qdiscs = config_get_boolean_ondemand("plugin:tc", "enable show all classes and qdiscs for all interfaces", CONFIG_BOOLEAN_NO);
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}
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if(unlikely(d->enabled == (char)-1)) {
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char var_name[CONFIG_MAX_NAME + 1];
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snprintfz(var_name, CONFIG_MAX_NAME, "qos for %s", d->id);
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d->enabled = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_new_interfaces);
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snprintfz(var_name, CONFIG_MAX_NAME, "traffic chart for %s", d->id);
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d->enabled_bytes = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_bytes);
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snprintfz(var_name, CONFIG_MAX_NAME, "packets chart for %s", d->id);
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d->enabled_packets = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_packets);
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snprintfz(var_name, CONFIG_MAX_NAME, "dropped packets chart for %s", d->id);
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d->enabled_dropped = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_dropped);
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snprintfz(var_name, CONFIG_MAX_NAME, "tokens chart for %s", d->id);
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d->enabled_tokens = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_tokens);
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snprintfz(var_name, CONFIG_MAX_NAME, "ctokens chart for %s", d->id);
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d->enabled_ctokens = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_ctokens);
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snprintfz(var_name, CONFIG_MAX_NAME, "show all classes for %s", d->id);
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d->enabled_all_classes_qdiscs = (char)config_get_boolean_ondemand("plugin:tc", var_name, enabled_all_classes_qdiscs);
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}
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// we only need to add leaf classes
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struct tc_class *c, *x /*, *root = NULL */;
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unsigned long long bytes_sum = 0, packets_sum = 0, dropped_sum = 0, tokens_sum = 0, ctokens_sum = 0;
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int active_nodes = 0, updated_classes = 0, updated_qdiscs = 0;
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// prepare all classes
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// we set reasonable defaults for the rest of the code below
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for(c = d->classes ; c ; c = c->next) {
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c->render = 0; // do not render this class
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c->isleaf = 1; // this is a leaf class
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c->hasparent = 0; // without a parent
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if(unlikely(!c->updated))
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c->unupdated++; // increase its unupdated counter
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else {
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c->unupdated = 0; // reset its unupdated counter
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// count how many of each kind
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if(c->isqdisc)
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updated_qdiscs++;
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else
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updated_classes++;
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}
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}
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if(unlikely(!d->enabled || (!updated_classes && !updated_qdiscs))) {
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debug(D_TC_LOOP, "TC: Ignoring TC device '%s'. It is not enabled/updated.", d->name?d->name:d->id);
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tc_device_classes_cleanup(d);
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return;
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}
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if(unlikely(updated_classes && updated_qdiscs)) {
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error("TC: device '%s' has active both classes (%d) and qdiscs (%d). Will render only qdiscs.", d->id, updated_classes, updated_qdiscs);
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// set all classes to !updated
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for(c = d->classes ; c ; c = c->next)
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if(unlikely(!c->isqdisc && c->updated))
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c->updated = 0;
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updated_classes = 0;
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}
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// mark the classes as leafs and parents
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//
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// TC is hierarchical:
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// - classes can have other classes in them
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// - the same is true for qdiscs (i.e. qdiscs have classes, that have other qdiscs)
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//
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// we need to present a chart with leaf nodes only, so that the sum
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// of all dimensions of the chart, will be the total utilization
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// of the interface.
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//
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// here we try to find the ones we need to report
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// by default all nodes are marked with: isleaf = 1 (see above)
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//
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// so, here we remove the isleaf flag from nodes in the middle
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// and we add the hasparent flag to leaf nodes we found their parent
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if(likely(!d->enabled_all_classes_qdiscs)) {
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for(c = d->classes; c; c = c->next) {
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if(unlikely(!c->updated)) continue;
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//debug(D_TC_LOOP, "TC: In device '%s', %s '%s' has leafid: '%s' and parentid '%s'.",
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// d->id,
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// c->isqdisc?"qdisc":"class",
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// c->id,
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// c->leafid?c->leafid:"NULL",
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// c->parentid?c->parentid:"NULL");
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// find if c is leaf or not
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for(x = d->classes; x; x = x->next) {
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if(unlikely(!x->updated || c == x || !x->parentid)) continue;
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// classes have both parentid and leafid
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// qdiscs have only parentid
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// the following works for both (it is an OR)
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if((c->hash == x->parent_hash && strcmp(c->id, x->parentid) == 0) ||
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(c->leafid && c->leaf_hash == x->parent_hash && strcmp(c->leafid, x->parentid) == 0)) {
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// 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);
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c->isleaf = 0;
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x->hasparent = 1;
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}
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}
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}
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}
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for(c = d->classes ; c ; c = c->next) {
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if(unlikely(!c->updated)) continue;
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// 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);
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if(unlikely((c->isleaf && c->hasparent) || d->enabled_all_classes_qdiscs)) {
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c->render = 1;
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active_nodes++;
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bytes_sum += c->bytes;
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packets_sum += c->packets;
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dropped_sum += c->dropped;
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tokens_sum += c->tokens;
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ctokens_sum += c->ctokens;
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}
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//if(unlikely(!c->hasparent)) {
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// if(root) error("TC: multiple root class/qdisc for device '%s' (old: '%s', new: '%s')", d->id, root->id, c->id);
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// root = c;
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// debug(D_TC_LOOP, "TC: found root class/qdisc '%s'", root->id);
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//}
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}
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#ifdef NETDATA_INTERNAL_CHECKS
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// dump all the list to see what we know
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if(unlikely(debug_flags & D_TC_LOOP)) {
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for(c = d->classes ; c ; c = c->next) {
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if(c->render) debug(D_TC_LOOP, "TC: final nodes dump for '%s': class %s, OK", d->name, c->id);
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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)");
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}
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}
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#endif
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if(unlikely(!active_nodes)) {
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debug(D_TC_LOOP, "TC: Ignoring TC device '%s'. No useful classes/qdiscs.", d->name?d->name:d->id);
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tc_device_classes_cleanup(d);
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return;
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}
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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).",
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d->name?d->name:d->id,
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d->enabled, enable_new_interfaces,
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d->enabled_bytes, enable_bytes,
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d->enabled_packets, enable_packets,
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d->enabled_dropped, enable_dropped,
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d->enabled_tokens, enable_tokens,
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d->enabled_ctokens, enable_ctokens,
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d->enabled_all_classes_qdiscs, enabled_all_classes_qdiscs,
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bytes_sum,
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packets_sum,
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dropped_sum,
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tokens_sum,
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ctokens_sum
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);
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// --------------------------------------------------------------------
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// bytes
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if(d->enabled_bytes == CONFIG_BOOLEAN_YES || (d->enabled_bytes == CONFIG_BOOLEAN_AUTO &&
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(bytes_sum ||
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netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
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d->enabled_bytes = CONFIG_BOOLEAN_YES;
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if(unlikely(!d->st_bytes))
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d->st_bytes = rrdset_create_localhost(
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RRD_TYPE_TC
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, d->id
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, d->name ? d->name : d->id
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, d->family ? d->family : d->id
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, RRD_TYPE_TC ".qos"
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, "Class Usage"
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, "kilobits/s"
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, PLUGIN_TC_NAME
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, NULL
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, NETDATA_CHART_PRIO_TC_QOS
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, localhost->rrd_update_every
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, d->enabled_all_classes_qdiscs ? RRDSET_TYPE_LINE : RRDSET_TYPE_STACKED
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);
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else {
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rrdset_next(d->st_bytes);
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if(unlikely(d->name_updated)) rrdset_set_name(d->st_bytes, d->name);
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// TODO
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// update the family
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}
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for(c = d->classes ; c ; c = c->next) {
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if(unlikely(!c->render)) continue;
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if(unlikely(!c->rd_bytes))
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c->rd_bytes = rrddim_add(d->st_bytes, c->id, c->name?c->name:c->id, 8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
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else if(unlikely(c->name_updated))
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rrddim_set_name(d->st_bytes, c->rd_bytes, c->name);
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rrddim_set_by_pointer(d->st_bytes, c->rd_bytes, c->bytes);
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}
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rrdset_done(d->st_bytes);
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}
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// --------------------------------------------------------------------
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// packets
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if(d->enabled_packets == CONFIG_BOOLEAN_YES || (d->enabled_packets == CONFIG_BOOLEAN_AUTO &&
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(packets_sum ||
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netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
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d->enabled_packets = CONFIG_BOOLEAN_YES;
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if(unlikely(!d->st_packets)) {
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char id[RRD_ID_LENGTH_MAX + 1];
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char name[RRD_ID_LENGTH_MAX + 1];
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snprintfz(id, RRD_ID_LENGTH_MAX, "%s_packets", d->id);
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snprintfz(name, RRD_ID_LENGTH_MAX, "%s_packets", d->name?d->name:d->id);
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d->st_packets = rrdset_create_localhost(
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RRD_TYPE_TC
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, id
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, name
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, d->family ? d->family : d->id
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|
, RRD_TYPE_TC ".qos_packets"
|
|
, "Class Packets"
|
|
, "packets/s"
|
|
, PLUGIN_TC_NAME
|
|
, NULL
|
|
, NETDATA_CHART_PRIO_TC_QOS_PACKETS
|
|
, 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(name, RRD_ID_LENGTH_MAX, "%s_packets", d->name?d->name:d->id);
|
|
rrdset_set_name(d->st_packets, name);
|
|
}
|
|
|
|
// TODO
|
|
// update the family
|
|
}
|
|
|
|
for(c = d->classes ; c ; c = c->next) {
|
|
if(unlikely(!c->render)) continue;
|
|
|
|
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);
|
|
|
|
rrddim_set_by_pointer(d->st_packets, c->rd_packets, c->packets);
|
|
}
|
|
rrdset_done(d->st_packets);
|
|
}
|
|
|
|
// --------------------------------------------------------------------
|
|
// dropped
|
|
|
|
if(d->enabled_dropped == CONFIG_BOOLEAN_YES || (d->enabled_dropped == CONFIG_BOOLEAN_AUTO &&
|
|
(dropped_sum ||
|
|
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
|
|
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"
|
|
, PLUGIN_TC_NAME
|
|
, NULL
|
|
, NETDATA_CHART_PRIO_TC_QOS_DROPPED
|
|
, localhost->rrd_update_every
|
|
, d->enabled_all_classes_qdiscs ? RRDSET_TYPE_LINE : RRDSET_TYPE_STACKED
|
|
);
|
|
}
|
|
else {
|
|
rrdset_next(d->st_dropped);
|
|
|
|
if(unlikely(d->name_updated)) {
|
|
char name[RRD_ID_LENGTH_MAX + 1];
|
|
snprintfz(name, RRD_ID_LENGTH_MAX, "%s_dropped", d->name?d->name:d->id);
|
|
rrdset_set_name(d->st_dropped, name);
|
|
}
|
|
|
|
// TODO
|
|
// update the family
|
|
}
|
|
|
|
for(c = d->classes ; c ; c = c->next) {
|
|
if(unlikely(!c->render)) continue;
|
|
|
|
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);
|
|
|
|
rrddim_set_by_pointer(d->st_dropped, c->rd_dropped, c->dropped);
|
|
}
|
|
rrdset_done(d->st_dropped);
|
|
}
|
|
|
|
// --------------------------------------------------------------------
|
|
// tokens
|
|
|
|
if(d->enabled_tokens == CONFIG_BOOLEAN_YES || (d->enabled_tokens == CONFIG_BOOLEAN_AUTO &&
|
|
(tokens_sum ||
|
|
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
|
|
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"
|
|
, PLUGIN_TC_NAME
|
|
, NULL
|
|
, NETDATA_CHART_PRIO_TC_QOS_TOCKENS
|
|
, localhost->rrd_update_every
|
|
, RRDSET_TYPE_LINE
|
|
);
|
|
}
|
|
else {
|
|
rrdset_next(d->st_tokens);
|
|
|
|
if(unlikely(d->name_updated)) {
|
|
char name[RRD_ID_LENGTH_MAX + 1];
|
|
snprintfz(name, RRD_ID_LENGTH_MAX, "%s_tokens", d->name?d->name:d->id);
|
|
rrdset_set_name(d->st_tokens, name);
|
|
}
|
|
|
|
// TODO
|
|
// 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);
|
|
|
|
rrddim_set_by_pointer(d->st_tokens, c->rd_tokens, c->tokens);
|
|
}
|
|
rrdset_done(d->st_tokens);
|
|
}
|
|
|
|
// --------------------------------------------------------------------
|
|
// ctokens
|
|
|
|
if(d->enabled_ctokens == CONFIG_BOOLEAN_YES || (d->enabled_ctokens == CONFIG_BOOLEAN_AUTO &&
|
|
(ctokens_sum ||
|
|
netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
|
|
d->enabled_ctokens = CONFIG_BOOLEAN_YES;
|
|
|
|
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);
|
|
|
|
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"
|
|
, PLUGIN_TC_NAME
|
|
, NULL
|
|
, NETDATA_CHART_PRIO_TC_QOS_CTOCKENS
|
|
, 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);
|
|
|
|
if(unlikely(d->name_updated)) {
|
|
char name[RRD_ID_LENGTH_MAX + 1];
|
|
snprintfz(name, RRD_ID_LENGTH_MAX, "%s_ctokens", d->name?d->name:d->id);
|
|
rrdset_set_name(d->st_ctokens, name);
|
|
}
|
|
|
|
// TODO
|
|
// update the family
|
|
}
|
|
|
|
for(c = d->classes ; c ; c = c->next) {
|
|
if(unlikely(!c->render)) continue;
|
|
|
|
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);
|
|
|
|
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) {
|
|
if(unlikely(!name || !*name)) return;
|
|
|
|
struct tc_class *c = tc_class_index_find(d, id, 0);
|
|
if(likely(c)) {
|
|
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);
|
|
c->name = strdupz(name);
|
|
c->name_updated = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
static inline void tc_device_set_device_name(struct tc_device *d, char *name) {
|
|
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)) {
|
|
debug(D_TC_LOOP, "TC: Setting device '%s' name to '%s'", d->id, name);
|
|
d->name = strdupz(name);
|
|
d->name_updated = 1;
|
|
}
|
|
}
|
|
|
|
static inline void tc_device_set_device_family(struct tc_device *d, char *family) {
|
|
freez(d->family);
|
|
d->family = NULL;
|
|
|
|
if(likely(family && *family && strcmp(d->id, family) != 0)) {
|
|
debug(D_TC_LOOP, "TC: Setting device '%s' family to '%s'", d->id, family);
|
|
d->family = strdupz(family);
|
|
d->family_updated = 1;
|
|
}
|
|
// no need for null termination - it is already null
|
|
}
|
|
|
|
static inline struct tc_device *tc_device_create(char *id)
|
|
{
|
|
struct tc_device *d = tc_device_index_find(id, 0);
|
|
|
|
if(!d) {
|
|
debug(D_TC_LOOP, "TC: Creating device '%s'", id);
|
|
|
|
d = callocz(1, sizeof(struct tc_device));
|
|
|
|
d->id = strdupz(id);
|
|
d->hash = simple_hash(d->id);
|
|
d->enabled = (char)-1;
|
|
|
|
avl_init(&d->classes_index, tc_class_compare);
|
|
if(unlikely(tc_device_index_add(d) != d))
|
|
error("plugin_tc: INTERNAL ERROR: removing device '%s' removed a different device.", d->id);
|
|
|
|
if(!tc_device_root) {
|
|
tc_device_root = d;
|
|
}
|
|
else {
|
|
d->next = tc_device_root;
|
|
tc_device_root->prev = d;
|
|
tc_device_root = d;
|
|
}
|
|
}
|
|
|
|
return(d);
|
|
}
|
|
|
|
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);
|
|
|
|
if(!c) {
|
|
debug(D_TC_LOOP, "TC: Creating in device '%s', class id '%s', parentid '%s', leafid '%s'", n->id, id, parentid?parentid:"", leafid?leafid:"");
|
|
|
|
c = callocz(1, sizeof(struct tc_class));
|
|
|
|
if(unlikely(!n->classes))
|
|
n->classes = c;
|
|
|
|
else if(likely(n->last_class)) {
|
|
n->last_class->next = c;
|
|
c->prev = n->last_class;
|
|
}
|
|
|
|
n->last_class = c;
|
|
|
|
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);
|
|
}
|
|
|
|
if(leafid && *leafid) {
|
|
c->leafid = strdupz(leafid);
|
|
c->leaf_hash = simple_hash(c->leafid);
|
|
}
|
|
|
|
if(unlikely(tc_class_index_add(n, c) != c))
|
|
error("plugin_tc: INTERNAL ERROR: attempt index class '%s' on device '%s': already exists", c->id, n->id);
|
|
}
|
|
return(c);
|
|
}
|
|
|
|
static inline void tc_device_free(struct tc_device *n)
|
|
{
|
|
if(n->next) n->next->prev = n->prev;
|
|
if(n->prev) n->prev->next = n->next;
|
|
if(tc_device_root == n) {
|
|
if(n->next) tc_device_root = n->next;
|
|
else tc_device_root = n->prev;
|
|
}
|
|
|
|
if(unlikely(tc_device_index_del(n) != n))
|
|
error("plugin_tc: INTERNAL ERROR: removing device '%s' removed a different device.", n->id);
|
|
|
|
while(n->classes) tc_class_free(n, n->classes);
|
|
|
|
freez(n->id);
|
|
freez(n->name);
|
|
freez(n->family);
|
|
freez(n);
|
|
}
|
|
|
|
static inline void tc_device_free_all()
|
|
{
|
|
while(tc_device_root)
|
|
tc_device_free(tc_device_root);
|
|
}
|
|
|
|
#define PLUGINSD_MAX_WORDS 20
|
|
|
|
static inline int tc_space(char c) {
|
|
switch(c) {
|
|
case ' ':
|
|
case '\t':
|
|
case '\r':
|
|
case '\n':
|
|
return 1;
|
|
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static inline void tc_split_words(char *str, char **words, int max_words) {
|
|
char *s = str;
|
|
int i = 0;
|
|
|
|
// skip all white space
|
|
while(tc_space(*s)) s++;
|
|
|
|
// store the first word
|
|
words[i++] = s;
|
|
|
|
// while we have something
|
|
while(*s) {
|
|
// if it is a space
|
|
if(unlikely(tc_space(*s))) {
|
|
|
|
// terminate the word
|
|
*s++ = '\0';
|
|
|
|
// skip all white space
|
|
while(tc_space(*s)) s++;
|
|
|
|
// if we reached the end, stop
|
|
if(!*s) break;
|
|
|
|
// store the next word
|
|
if(i < max_words) words[i++] = s;
|
|
else break;
|
|
}
|
|
else s++;
|
|
}
|
|
|
|
// terminate the words
|
|
while(i < max_words) words[i++] = NULL;
|
|
}
|
|
|
|
static pid_t tc_child_pid = 0;
|
|
|
|
static void tc_main_cleanup(void *ptr) {
|
|
struct netdata_static_thread *static_thread = (struct netdata_static_thread *)ptr;
|
|
static_thread->enabled = NETDATA_MAIN_THREAD_EXITING;
|
|
|
|
info("cleaning up...");
|
|
|
|
if(tc_child_pid) {
|
|
info("TC: killing with SIGTERM tc-qos-helper process %d", tc_child_pid);
|
|
if(killpid(tc_child_pid) != -1) {
|
|
siginfo_t info;
|
|
|
|
info("TC: waiting for tc plugin child process pid %d to exit...", tc_child_pid);
|
|
waitid(P_PID, (id_t) tc_child_pid, &info, WEXITED);
|
|
}
|
|
|
|
tc_child_pid = 0;
|
|
}
|
|
|
|
static_thread->enabled = NETDATA_MAIN_THREAD_EXITED;
|
|
}
|
|
|
|
void *tc_main(void *ptr) {
|
|
netdata_thread_cleanup_push(tc_main_cleanup, ptr);
|
|
|
|
struct rusage thread;
|
|
|
|
char command[FILENAME_MAX + 1];
|
|
char *words[PLUGINSD_MAX_WORDS] = { NULL };
|
|
|
|
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:");
|
|
uint32_t TOKENS_HASH = simple_hash("tokens:");
|
|
uint32_t SETDEVICENAME_HASH = simple_hash("SETDEVICENAME");
|
|
uint32_t SETDEVICEGROUP_HASH = simple_hash("SETDEVICEGROUP");
|
|
uint32_t SETCLASSNAME_HASH = simple_hash("SETCLASSNAME");
|
|
uint32_t WORKTIME_HASH = simple_hash("WORKTIME");
|
|
uint32_t first_hash;
|
|
|
|
snprintfz(command, TC_LINE_MAX, "%s/tc-qos-helper.sh", netdata_configured_primary_plugins_dir);
|
|
char *tc_script = config_get("plugin:tc", "script to run to get tc values", command);
|
|
|
|
while(!netdata_exit) {
|
|
FILE *fp;
|
|
struct tc_device *device = NULL;
|
|
struct tc_class *class = NULL;
|
|
|
|
snprintfz(command, TC_LINE_MAX, "exec %s %d", tc_script, localhost->rrd_update_every);
|
|
debug(D_TC_LOOP, "executing '%s'", command);
|
|
|
|
fp = mypopen(command, (pid_t *)&tc_child_pid);
|
|
if(unlikely(!fp)) {
|
|
error("TC: Cannot popen(\"%s\", \"r\").", command);
|
|
goto cleanup;
|
|
}
|
|
|
|
char buffer[TC_LINE_MAX+1] = "";
|
|
while(fgets(buffer, TC_LINE_MAX, fp) != NULL) {
|
|
if(unlikely(netdata_exit)) break;
|
|
|
|
buffer[TC_LINE_MAX] = '\0';
|
|
// debug(D_TC_LOOP, "TC: read '%s'", buffer);
|
|
|
|
tc_split_words(buffer, words, PLUGINSD_MAX_WORDS);
|
|
|
|
if(unlikely(!words[0] || !*words[0])) {
|
|
// debug(D_TC_LOOP, "empty line");
|
|
continue;
|
|
}
|
|
// else debug(D_TC_LOOP, "First word is '%s'", words[0]);
|
|
|
|
first_hash = simple_hash(words[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]);
|
|
|
|
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");
|
|
|
|
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;
|
|
|
|
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(parent_is_root) {
|
|
parentid = NULL;
|
|
leafid = NULL;
|
|
}
|
|
else if(!leaf || strcmp(leaf, "leaf") != 0)
|
|
leafid = NULL;
|
|
|
|
char leafbuf[20 + 1] = "";
|
|
if(leafid && leafid[strlen(leafid) - 1] == ':') {
|
|
strncpyz(leafbuf, leafid, 20 - 1);
|
|
strcat(leafbuf, "1");
|
|
leafid = leafbuf;
|
|
}
|
|
|
|
class = tc_class_add(device, id, qdisc, parentid, leafid);
|
|
}
|
|
else {
|
|
// clear the last class
|
|
class = NULL;
|
|
}
|
|
}
|
|
else if(unlikely(first_hash == END_HASH && strcmp(words[0], "END") == 0)) {
|
|
// debug(D_TC_LOOP, "END line");
|
|
|
|
if(likely(device)) {
|
|
netdata_thread_disable_cancelability();
|
|
tc_device_commit(device);
|
|
// tc_device_free(device);
|
|
netdata_thread_enable_cancelability();
|
|
}
|
|
|
|
device = NULL;
|
|
class = NULL;
|
|
}
|
|
else if(unlikely(first_hash == BEGIN_HASH && strcmp(words[0], "BEGIN") == 0)) {
|
|
// debug(D_TC_LOOP, "BEGIN line on device '%s'", words[1]);
|
|
|
|
if(likely(words[1] && *words[1])) {
|
|
device = tc_device_create(words[1]);
|
|
}
|
|
else {
|
|
// tc_device_free(device);
|
|
device = NULL;
|
|
}
|
|
|
|
class = NULL;
|
|
}
|
|
else if(unlikely(device && class && first_hash == SENT_HASH && strcmp(words[0], "Sent") == 0)) {
|
|
// debug(D_TC_LOOP, "SENT line '%s'", words[1]);
|
|
if(likely(words[1] && *words[1])) {
|
|
class->bytes = str2ull(words[1]);
|
|
class->updated = 1;
|
|
}
|
|
else {
|
|
class->updated = 0;
|
|
}
|
|
|
|
if(likely(words[3] && *words[3]))
|
|
class->packets = str2ull(words[3]);
|
|
|
|
if(likely(words[6] && *words[6]))
|
|
class->dropped = str2ull(words[6]);
|
|
|
|
if(likely(words[8] && *words[8]))
|
|
class->overlimits = str2ull(words[8]);
|
|
|
|
if(likely(words[10] && *words[10]))
|
|
class->requeues = str2ull(words[8]);
|
|
}
|
|
else if(unlikely(device && class && class->updated && first_hash == LENDED_HASH && strcmp(words[0], "lended:") == 0)) {
|
|
// debug(D_TC_LOOP, "LENDED line '%s'", words[1]);
|
|
if(likely(words[1] && *words[1]))
|
|
class->lended = str2ull(words[1]);
|
|
|
|
if(likely(words[3] && *words[3]))
|
|
class->borrowed = str2ull(words[3]);
|
|
|
|
if(likely(words[5] && *words[5]))
|
|
class->giants = str2ull(words[5]);
|
|
}
|
|
else if(unlikely(device && class && class->updated && first_hash == TOKENS_HASH && strcmp(words[0], "tokens:") == 0)) {
|
|
// debug(D_TC_LOOP, "TOKENS line '%s'", words[1]);
|
|
if(likely(words[1] && *words[1]))
|
|
class->tokens = str2ull(words[1]);
|
|
|
|
if(likely(words[3] && *words[3]))
|
|
class->ctokens = str2ull(words[3]);
|
|
}
|
|
else if(unlikely(device && first_hash == SETDEVICENAME_HASH && strcmp(words[0], "SETDEVICENAME") == 0)) {
|
|
// debug(D_TC_LOOP, "SETDEVICENAME line '%s'", words[1]);
|
|
if(likely(words[1] && *words[1]))
|
|
tc_device_set_device_name(device, words[1]);
|
|
}
|
|
else if(unlikely(device && first_hash == SETDEVICEGROUP_HASH && strcmp(words[0], "SETDEVICEGROUP") == 0)) {
|
|
// debug(D_TC_LOOP, "SETDEVICEGROUP line '%s'", words[1]);
|
|
if(likely(words[1] && *words[1]))
|
|
tc_device_set_device_family(device, words[1]);
|
|
}
|
|
else if(unlikely(device && first_hash == SETCLASSNAME_HASH && strcmp(words[0], "SETCLASSNAME") == 0)) {
|
|
// debug(D_TC_LOOP, "SETCLASSNAME line '%s' '%s'", words[1], words[2]);
|
|
char *id = words[1];
|
|
char *path = words[2];
|
|
if(likely(id && *id && path && *path))
|
|
tc_device_set_class_name(device, id, path);
|
|
}
|
|
else if(unlikely(first_hash == WORKTIME_HASH && strcmp(words[0], "WORKTIME") == 0)) {
|
|
// debug(D_TC_LOOP, "WORKTIME line '%s' '%s'", words[1], words[2]);
|
|
getrusage(RUSAGE_THREAD, &thread);
|
|
|
|
static RRDSET *stcpu = NULL;
|
|
static RRDDIM *rd_user = NULL, *rd_system = NULL;
|
|
|
|
if(unlikely(!stcpu)) {
|
|
stcpu = rrdset_create_localhost(
|
|
"netdata"
|
|
, "plugin_tc_cpu"
|
|
, NULL
|
|
, "tc.helper"
|
|
, NULL
|
|
, "NetData TC CPU usage"
|
|
, "milliseconds/s"
|
|
, PLUGIN_TC_NAME
|
|
, NULL
|
|
, NETDATA_CHART_PRIO_NETDATA_TC_CPU
|
|
, localhost->rrd_update_every
|
|
, RRDSET_TYPE_STACKED
|
|
);
|
|
rd_user = rrddim_add(stcpu, "user", NULL, 1, 1000, RRD_ALGORITHM_INCREMENTAL);
|
|
rd_system = rrddim_add(stcpu, "system", NULL, 1, 1000, RRD_ALGORITHM_INCREMENTAL);
|
|
}
|
|
else rrdset_next(stcpu);
|
|
|
|
rrddim_set_by_pointer(stcpu, rd_user , thread.ru_utime.tv_sec * 1000000ULL + thread.ru_utime.tv_usec);
|
|
rrddim_set_by_pointer(stcpu, rd_system, thread.ru_stime.tv_sec * 1000000ULL + thread.ru_stime.tv_usec);
|
|
rrdset_done(stcpu);
|
|
|
|
static RRDSET *sttime = NULL;
|
|
static RRDDIM *rd_run_time = NULL;
|
|
|
|
if(unlikely(!sttime)) {
|
|
sttime = rrdset_create_localhost(
|
|
"netdata"
|
|
, "plugin_tc_time"
|
|
, NULL
|
|
, "tc.helper"
|
|
, NULL
|
|
, "NetData TC script execution"
|
|
, "milliseconds/run"
|
|
, PLUGIN_TC_NAME
|
|
, NULL
|
|
, NETDATA_CHART_PRIO_NETDATA_TC_TIME
|
|
, localhost->rrd_update_every
|
|
, RRDSET_TYPE_AREA
|
|
);
|
|
rd_run_time = rrddim_add(sttime, "run_time", "run time", 1, 1, RRD_ALGORITHM_ABSOLUTE);
|
|
}
|
|
else rrdset_next(sttime);
|
|
|
|
rrddim_set_by_pointer(sttime, rd_run_time, str2ll(words[1], NULL));
|
|
rrdset_done(sttime);
|
|
|
|
}
|
|
//else {
|
|
// debug(D_TC_LOOP, "IGNORED line");
|
|
//}
|
|
}
|
|
|
|
// fgets() failed or loop broke
|
|
int code = mypclose(fp, (pid_t)tc_child_pid);
|
|
tc_child_pid = 0;
|
|
|
|
if(unlikely(device)) {
|
|
// tc_device_free(device);
|
|
device = NULL;
|
|
class = NULL;
|
|
}
|
|
|
|
if(unlikely(netdata_exit)) {
|
|
tc_device_free_all();
|
|
goto cleanup;
|
|
}
|
|
|
|
if(code == 1 || code == 127) {
|
|
// 1 = DISABLE
|
|
// 127 = cannot even run it
|
|
error("TC: tc-qos-helper.sh exited with code %d. Disabling it.", code);
|
|
|
|
tc_device_free_all();
|
|
goto cleanup;
|
|
}
|
|
|
|
sleep((unsigned int) localhost->rrd_update_every);
|
|
}
|
|
|
|
cleanup: ; // added semi-colon to prevent older gcc error: label at end of compound statement
|
|
netdata_thread_cleanup_pop(1);
|
|
return NULL;
|
|
}
|