diff options
author | Lennart Weller <lhw@ring0.de> | 2017-01-24 15:21:09 +0000 |
---|---|---|
committer | Lennart Weller <lhw@ring0.de> | 2017-01-24 15:21:09 +0000 |
commit | 3ed3b02ed96ddab1c084811f3579b3a2aec83e04 (patch) | |
tree | 7a61ab288ae47800c4f11be5677d6ad8288dcd98 /src/plugin_tc.c | |
parent | New upstream version 1.4.0+dfsg (diff) | |
download | netdata-upstream/1.5.0+dfsg.tar.xz netdata-upstream/1.5.0+dfsg.zip |
New upstream version 1.5.0+dfsgupstream/1.5.0+dfsg
Diffstat (limited to '')
-rw-r--r-- | src/plugin_tc.c | 101 |
1 files changed, 53 insertions, 48 deletions
diff --git a/src/plugin_tc.c b/src/plugin_tc.c index 399fcd6db..0fa595320 100644 --- a/src/plugin_tc.c +++ b/src/plugin_tc.c @@ -44,7 +44,7 @@ struct tc_class { char name_updated; char updated; // updated bytes - int seen; // seen in the tc list (even without bytes) + int unupdated; // the number of times, this has been found un-updated struct tc_class *next; struct tc_class *prev; @@ -100,8 +100,8 @@ avl_tree tc_device_root_index = { tc_device_compare }; -#define tc_device_index_add(st) avl_insert(&tc_device_root_index, (avl *)(st)) -#define tc_device_index_del(st) avl_remove(&tc_device_root_index, (avl *)(st)) +#define tc_device_index_add(st) (struct tc_device *)avl_insert(&tc_device_root_index, (avl *)(st)) +#define tc_device_index_del(st) (struct tc_device *)avl_remove(&tc_device_root_index, (avl *)(st)) static inline struct tc_device *tc_device_index_find(const char *id, uint32_t hash) { struct tc_device tmp; @@ -121,8 +121,8 @@ static int tc_class_compare(void* a, void* b) { else return strcmp(((struct tc_class *)a)->id, ((struct tc_class *)b)->id); } -#define tc_class_index_add(st, rd) avl_insert(&((st)->classes_index), (avl *)(rd)) -#define tc_class_index_del(st, rd) avl_remove(&((st)->classes_index), (avl *)(rd)) +#define tc_class_index_add(st, rd) (struct tc_class *)avl_insert(&((st)->classes_index), (avl *)(rd)) +#define tc_class_index_del(st, rd) (struct tc_class *)avl_remove(&((st)->classes_index), (avl *)(rd)) static inline struct tc_class *tc_class_index_find(struct tc_device *st, const char *id, uint32_t hash) { struct tc_class tmp; @@ -144,9 +144,10 @@ static inline void tc_class_free(struct tc_device *n, struct tc_class *c) { if(c->next) c->next->prev = c->prev; if(c->prev) c->prev->next = c->next; - debug(D_TC_LOOP, "Removing from device '%s' class '%s', parentid '%s', leafid '%s', seen=%d", n->id, c->id, c->parentid?c->parentid:"", c->leafid?c->leafid:"", c->seen); + 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); - tc_class_index_del(n, c); + if(unlikely(tc_class_index_del(n, c) != c)) + error("plugin_tc: INTERNAL ERROR: attempt remove class '%s' from device '%s': removed a different calls", c->id, n->id); freez(c->id); freez(c->name); @@ -159,7 +160,7 @@ static inline void tc_device_classes_cleanup(struct tc_device *d) { static int cleanup_every = 999; if(unlikely(cleanup_every > 0)) { - cleanup_every = (int) config_get_number("plugin:tc", "cleanup unused classes every", 60); + cleanup_every = (int) config_get_number("plugin:tc", "cleanup unused classes every", 120); if(cleanup_every < 0) cleanup_every = -cleanup_every; } @@ -168,7 +169,7 @@ static inline void tc_device_classes_cleanup(struct tc_device *d) { struct tc_class *c = d->classes; while(c) { - if(unlikely(cleanup_every > 0 && c->seen >= cleanup_every)) { + if(unlikely(cleanup_every && c->unupdated >= cleanup_every)) { struct tc_class *nc = c->next; tc_class_free(d, c); c = nc; @@ -203,6 +204,11 @@ static inline void tc_device_commit(struct tc_device *d) { for(c = d->classes ; c ; c = c->next) { c->isleaf = 1; c->hasparent = 0; + + if(unlikely(!c->updated)) + c->unupdated++; + else + c->unupdated = 0; } // mark the classes as leafs and parents @@ -256,22 +262,22 @@ static inline void tc_device_commit(struct tc_device *d) { 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 = config_get_boolean_ondemand("plugin:tc", var_name, enable_new_interfaces); + 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 = config_get_boolean_ondemand("plugin:tc", var_name, enable_bytes); + 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 = config_get_boolean_ondemand("plugin:tc", var_name, enable_packets); + 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 = config_get_boolean_ondemand("plugin:tc", var_name, enable_dropped); + 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 = config_get_boolean_ondemand("plugin:tc", var_name, enable_tokens); + 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 = config_get_boolean_ondemand("plugin:tc", var_name, enable_ctokens); + d->enabled_ctokens = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_ctokens); } 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).", @@ -306,7 +312,7 @@ static inline void tc_device_commit(struct tc_device *d) { } else { debug(D_TC_LOOP, "TC: Updating chart for device '%s'", d->name?d->name:d->id); - rrdset_next_plugins(d->st_bytes); + rrdset_next(d->st_bytes); if(unlikely(d->name_updated && d->name && strcmp(d->id, d->name) != 0)) { rrdset_set_name(d->st_bytes, d->name); @@ -321,8 +327,6 @@ static inline void tc_device_commit(struct tc_device *d) { if(unlikely(!c->updated)) continue; if(c->isleaf && c->hasparent) { - c->seen++; - if(unlikely(!c->rd_bytes)) { c->rd_bytes = rrddim_find(d->st_bytes, c->id); if(unlikely(!c->rd_bytes)) { @@ -367,7 +371,7 @@ static inline void tc_device_commit(struct tc_device *d) { } else { debug(D_TC_LOOP, "TC: Updating _packets chart for device '%s'", d->name?d->name:d->id); - rrdset_next_plugins(d->st_packets); + rrdset_next(d->st_packets); // FIXME // update the family @@ -421,7 +425,7 @@ static inline void tc_device_commit(struct tc_device *d) { } else { debug(D_TC_LOOP, "TC: Updating _dropped chart for device '%s'", d->name?d->name:d->id); - rrdset_next_plugins(d->st_dropped); + rrdset_next(d->st_dropped); // FIXME // update the family @@ -475,7 +479,7 @@ static inline void tc_device_commit(struct tc_device *d) { } else { debug(D_TC_LOOP, "TC: Updating _tokens chart for device '%s'", d->name?d->name:d->id); - rrdset_next_plugins(d->st_tokens); + rrdset_next(d->st_tokens); // FIXME // update the family @@ -529,7 +533,7 @@ static inline void tc_device_commit(struct tc_device *d) { } else { debug(D_TC_LOOP, "TC: Updating _ctokens chart for device '%s'", d->name?d->name:d->id); - rrdset_next_plugins(d->st_ctokens); + rrdset_next(d->st_ctokens); // FIXME // update the family @@ -619,7 +623,8 @@ static inline struct tc_device *tc_device_create(char *id) d->enabled = (char)-1; avl_init(&d->classes_index, tc_class_compare); - tc_device_index_add(d); + 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; @@ -660,11 +665,9 @@ static inline struct tc_class *tc_class_add(struct tc_device *n, char *id, char c->leaf_hash = simple_hash(c->leafid); } - tc_class_index_add(n, c); + 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); } - - c->seen = 1; - return(c); } @@ -677,7 +680,8 @@ static inline void tc_device_free(struct tc_device *n) else tc_device_root = n->prev; } - tc_device_index_del(n); + 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); @@ -743,9 +747,9 @@ static inline void tc_split_words(char *str, char **words, int max_words) { while(i < max_words) words[i++] = NULL; } -pid_t tc_child_pid = 0; +volatile pid_t tc_child_pid = 0; void *tc_main(void *ptr) { - (void)ptr; + struct netdata_static_thread *static_thread = (struct netdata_static_thread *)ptr; info("TC thread created with task id %d", gettid()); @@ -789,11 +793,10 @@ void *tc_main(void *ptr) { snprintfz(buffer, TC_LINE_MAX, "exec %s %d", tc_script, rrd_update_every); debug(D_TC_LOOP, "executing '%s'", buffer); - fp = mypopen(buffer, &tc_child_pid); + fp = mypopen(buffer, (pid_t *)&tc_child_pid); if(unlikely(!fp)) { error("TC: Cannot popen(\"%s\", \"r\").", buffer); - pthread_exit(NULL); - return NULL; + goto cleanup; } while(fgets(buffer, TC_LINE_MAX, fp) != NULL) { @@ -884,7 +887,7 @@ void *tc_main(void *ptr) { 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 = strtoull(words[1], NULL, 10); + class->bytes = str2ull(words[1]); class->updated = 1; } else { @@ -892,35 +895,35 @@ void *tc_main(void *ptr) { } if(likely(words[3] && *words[3])) - class->packets = strtoull(words[3], NULL, 10); + class->packets = str2ull(words[3]); if(likely(words[6] && *words[6])) - class->dropped = strtoull(words[6], NULL, 10); + class->dropped = str2ull(words[6]); if(likely(words[8] && *words[8])) - class->overlimits = strtoull(words[8], NULL, 10); + class->overlimits = str2ull(words[8]); if(likely(words[10] && *words[10])) - class->requeues = strtoull(words[8], NULL, 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 = strtoull(words[1], NULL, 10); + class->lended = str2ull(words[1]); if(likely(words[3] && *words[3])) - class->borrowed = strtoull(words[3], NULL, 10); + class->borrowed = str2ull(words[3]); if(likely(words[5] && *words[5])) - class->giants = strtoull(words[5], NULL, 10); + 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 = strtoull(words[1], NULL, 10); + class->tokens = str2ull(words[1]); if(likely(words[3] && *words[3])) - class->ctokens = strtoull(words[3], NULL, 10); + 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]); @@ -983,7 +986,7 @@ void *tc_main(void *ptr) { } // fgets() failed or loop broke - int code = mypclose(fp, tc_child_pid); + int code = mypclose(fp, (pid_t)tc_child_pid); tc_child_pid = 0; if(unlikely(device)) { @@ -994,8 +997,7 @@ void *tc_main(void *ptr) { if(unlikely(netdata_exit)) { tc_device_free_all(); - pthread_exit(NULL); - return NULL; + goto cleanup; } if(code == 1 || code == 127) { @@ -1004,13 +1006,16 @@ void *tc_main(void *ptr) { error("TC: tc-qos-helper.sh exited with code %d. Disabling it.", code); tc_device_free_all(); - pthread_exit(NULL); - return NULL; + goto cleanup; } sleep((unsigned int) rrd_update_every); } +cleanup: + info("TC thread exiting"); + + static_thread->enabled = 0; pthread_exit(NULL); return NULL; } |