From: Sebastian Harl <sh@tokkee.org>
Date: Tue, 15 Nov 2016 21:10:35 +0000 (+0100)
Subject: Automatically prefix all log messages with the plugin name (if available).
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=dcf7802ad0958d4752b2c13f70e2fdf345d3509f;p=sysdb.git

Automatically prefix all log messages with the plugin name (if available).
---

diff --git a/src/core/data.c b/src/core/data.c
index 6fcd2eb..d176b89 100644
--- a/src/core/data.c
+++ b/src/core/data.c
@@ -1152,7 +1152,7 @@ sdb_data_parse(const char *str, int type, sdb_data_t *data)
 			return -1;
 		if (regcomp(&tmp.data.re.regex, tmp.data.re.raw,
 					REG_EXTENDED | REG_ICASE | REG_NOSUB)) {
-			sdb_log(SDB_LOG_ERR, "core: Failed to compile regular "
+			sdb_log(SDB_LOG_ERR, "Failed to compile regular "
 					"expression '%s'", tmp.data.re.raw);
 			free(tmp.data.re.raw);
 			return -1;
@@ -1176,13 +1176,13 @@ sdb_data_parse(const char *str, int type, sdb_data_t *data)
 			|| (type == SDB_TYPE_DATETIME)) {
 		if (errno || (str == endptr)) {
 			char errbuf[1024];
-			sdb_log(SDB_LOG_ERR, "core: Failed to parse string "
+			sdb_log(SDB_LOG_ERR, "Failed to parse string "
 					"'%s' as numeric value (type %i): %s", str, type,
 					sdb_strerror(errno, errbuf, sizeof(errbuf)));
 			return -1;
 		}
 		else if (endptr && (*endptr != '\0'))
-			sdb_log(SDB_LOG_WARNING, "core: Ignoring garbage after "
+			sdb_log(SDB_LOG_WARNING, "Ignoring garbage after "
 					"number while parsing numeric value (type %i): %s.",
 					type, endptr);
 	}
diff --git a/src/core/plugin.c b/src/core/plugin.c
index 76fc209..b3f00bd 100644
--- a/src/core/plugin.c
+++ b/src/core/plugin.c
@@ -250,9 +250,8 @@ plugin_unregister_by_name(const char *plugin_name)
 
 			assert(cb->cb_ctx);
 
-			sdb_log(SDB_LOG_INFO, "core: Unregistering "
-					"%s callback '%s' (module %s)", type, cb->super.name,
-					cb->cb_ctx->info.plugin_name);
+			sdb_log(SDB_LOG_INFO, "Unregistering %s callback '%s' (module %s)",
+					type, cb->super.name, cb->cb_ctx->info.plugin_name);
 			sdb_object_deref(SDB_OBJ(cb));
 		}
 	}
@@ -368,13 +367,12 @@ ctx_destroy(sdb_object_t *obj)
 	if (ctx->handle) {
 		const char *err;
 
-		sdb_log(SDB_LOG_INFO, "core: Unloading module %s",
-				ctx->info.plugin_name);
+		sdb_log(SDB_LOG_INFO, "Unloading module %s", ctx->info.plugin_name);
 
 		lt_dlerror();
 		lt_dlclose(ctx->handle);
 		if ((err = lt_dlerror()))
-			sdb_log(SDB_LOG_WARNING, "core: Failed to unload module %s: %s",
+			sdb_log(SDB_LOG_WARNING, "Failed to unload module %s: %s",
 					ctx->info.plugin_name, err);
 	}
 
@@ -442,9 +440,9 @@ plugin_init_ok(sdb_object_t *obj, va_list ap)
 	assert(list); assert(type);
 
 	if (sdb_llist_search_by_name(*list, obj->name)) {
-		sdb_log(SDB_LOG_WARNING, "core: %s callback '%s' "
-				"has already been registered. Ignoring newly "
-				"registered version.", type, obj->name);
+		sdb_log(SDB_LOG_WARNING, "%s callback '%s' has already been "
+				"registered. Ignoring newly registered version.",
+				type, obj->name);
 		return 0;
 	}
 	return 1;
@@ -510,9 +508,8 @@ plugin_writer_init(sdb_object_t *obj, va_list ap)
 
 	if ((! impl->store_host) || (! impl->store_service)
 			|| (! impl->store_metric) || (! impl->store_attribute)) {
-		sdb_log(SDB_LOG_ERR, "core: store writer callback '%s' "
-				"does not fully implement the writer interface.",
-				obj->name);
+		sdb_log(SDB_LOG_ERR, "store writer callback '%s' does not fully "
+				"implement the writer interface.", obj->name);
 		return -1;
 	}
 
@@ -556,9 +553,8 @@ plugin_reader_init(sdb_object_t *obj, va_list ap)
 	assert(impl);
 
 	if ((! impl->prepare_query) || (! impl->execute_query)) {
-		sdb_log(SDB_LOG_ERR, "core: store reader callback '%s' "
-				"does not fully implement the reader interface.",
-				obj->name);
+		sdb_log(SDB_LOG_ERR, "store reader callback '%s' does not fully "
+				"implement the reader interface.", obj->name);
 		return -1;
 	}
 
@@ -602,9 +598,8 @@ plugin_ts_fetcher_init(sdb_object_t *obj, va_list ap)
 	assert(impl);
 
 	if ((! impl->describe) || (! impl->fetch)) {
-		sdb_log(SDB_LOG_ERR, "core: timeseries fetcher callback '%s' "
-				"does not fully implement the interface.",
-				obj->name);
+		sdb_log(SDB_LOG_ERR, "timeseries fetcher callback '%s' does not fully "
+				"implement the interface.", obj->name);
 		return -1;
 	}
 
@@ -642,15 +637,14 @@ module_init(const char *name, lt_dlhandle lh, sdb_plugin_info_t *info)
 
 	mod_init = (int (*)(sdb_plugin_info_t *))lt_dlsym(lh, "sdb_module_init");
 	if (! mod_init) {
-		sdb_log(SDB_LOG_ERR, "core: Failed to load plugin '%s': "
+		sdb_log(SDB_LOG_ERR, "Failed to load plugin '%s': "
 				"could not find symbol 'sdb_module_init'", name);
 		return -1;
 	}
 
 	status = mod_init(info);
 	if (status) {
-		sdb_log(SDB_LOG_ERR, "core: Failed to initialize "
-				"module '%s'", name);
+		sdb_log(SDB_LOG_ERR, "Failed to initialize module '%s'", name);
 		plugin_unregister_by_name(name);
 		return -1;
 	}
@@ -692,7 +686,7 @@ module_load(const char *basedir, const char *name,
 
 	if (access(filename, R_OK)) {
 		char errbuf[1024];
-		sdb_log(SDB_LOG_ERR, "core: Failed to load plugin '%s' (%s): %s",
+		sdb_log(SDB_LOG_ERR, "Failed to load plugin '%s' (%s): %s",
 				name, filename, sdb_strerror(errno, errbuf, sizeof(errbuf)));
 		return -1;
 	}
@@ -702,18 +696,18 @@ module_load(const char *basedir, const char *name,
 
 	lh = lt_dlopen(filename);
 	if (! lh) {
-		sdb_log(SDB_LOG_ERR, "core: Failed to load plugin '%s': %s"
+		sdb_log(SDB_LOG_ERR, "Failed to load plugin '%s': %s"
 				"The most common cause for this problem are missing "
 				"dependencies.\n", name, lt_dlerror());
 		return -1;
 	}
 
 	if (ctx_get())
-		sdb_log(SDB_LOG_WARNING, "core: Discarding old plugin context");
+		sdb_log(SDB_LOG_WARNING, "Discarding old plugin context");
 
 	ctx = ctx_create(name);
 	if (! ctx) {
-		sdb_log(SDB_LOG_ERR, "core: Failed to initialize plugin context");
+		sdb_log(SDB_LOG_ERR, "Failed to initialize plugin context");
 		return -1;
 	}
 
@@ -733,20 +727,19 @@ module_load(const char *basedir, const char *name,
 	/* compare minor version */
 	if ((ctx->info.version < 0)
 			|| ((int)(ctx->info.version / 100) != (int)(SDB_VERSION / 100)))
-		sdb_log(SDB_LOG_WARNING, "core: WARNING: version of "
-				"plugin '%s' (%i.%i.%i) does not match our version "
-				"(%i.%i.%i); this might cause problems",
-				name, SDB_VERSION_DECODE(ctx->info.version),
+		sdb_log(SDB_LOG_WARNING, "WARNING: plugin version (%i.%i.%i) "
+				"does not match core version (%i.%i.%i); "
+				"this might cause problems",
+				SDB_VERSION_DECODE(ctx->info.version),
 				SDB_VERSION_DECODE(SDB_VERSION));
 
 	sdb_llist_append(all_plugins, SDB_OBJ(ctx));
 
-	sdb_log(SDB_LOG_INFO, "core: Successfully loaded "
-			"plugin %s v%i (%s)", ctx->info.plugin_name,
-			ctx->info.plugin_version,
+	/* log messages will be prefixed by the plugin name */
+	sdb_log(SDB_LOG_INFO, "Successfully loaded "
+			"version %i (%s)", ctx->info.plugin_version,
 			INFO_GET(&ctx->info, description));
-	sdb_log(SDB_LOG_INFO, "core: Plugin %s: %s, License: %s",
-			ctx->info.plugin_name,
+	sdb_log(SDB_LOG_INFO, "%s, License: %s",
 			INFO_GET(&ctx->info, copyright),
 			INFO_GET(&ctx->info, license));
 
@@ -798,8 +791,7 @@ plugin_add_impl(sdb_llist_t **list, sdb_type_t T, const char *type,
 	/* pass control to the list */
 	sdb_object_deref(obj);
 
-	sdb_log(SDB_LOG_INFO, "core: Registered %s callback '%s'.",
-			type, name);
+	sdb_log(SDB_LOG_INFO, "Registered %s callback '%s'.", type, name);
 	return 0;
 } /* plugin_add_impl */
 
@@ -892,7 +884,7 @@ get_interval(int obj_type, const char *hostname,
 
 	if (lu.last_update >= last_update) {
 		if (lu.last_update > last_update)
-			sdb_log(SDB_LOG_DEBUG, "memstore: Cannot update %s '%s' - "
+			sdb_log(SDB_LOG_DEBUG, "Cannot update %s '%s' - "
 					"value too old (%"PRIsdbTIME" < %"PRIsdbTIME")",
 					SDB_STORE_TYPE_TO_NAME(obj_type), name,
 					lu.last_update, last_update);
@@ -940,7 +932,7 @@ sdb_plugin_load(const char *basedir, const char *name,
 
 	if (! all_plugins) {
 		if (! (all_plugins = sdb_llist_create())) {
-			sdb_log(SDB_LOG_ERR, "core: Failed to load plugin '%s': "
+			sdb_log(SDB_LOG_ERR, "Failed to load plugin '%s': "
 					"internal error while creating linked list", name);
 			return -1;
 		}
@@ -958,7 +950,8 @@ sdb_plugin_load(const char *basedir, const char *name,
 			if (status)
 				return status;
 
-			sdb_log(SDB_LOG_INFO, "core: Successfully reloaded plugin "
+			ctx_set(old_ctx);
+			sdb_log(SDB_LOG_INFO, "Successfully reloaded plugin "
 					"'%s' (%s)", ctx->info.plugin_name,
 					INFO_GET(&ctx->info, description));
 		}
@@ -1034,7 +1027,7 @@ sdb_plugin_register_config(sdb_plugin_config_cb callback)
 	ctx_t *ctx = ctx_get();
 
 	if (! ctx) {
-		sdb_log(SDB_LOG_ERR, "core: Invalid attempt to register a "
+		sdb_log(SDB_LOG_ERR, "Invalid attempt to register a "
 				"config callback from outside a plugin");
 		return -1;
 	}
@@ -1110,9 +1103,8 @@ sdb_plugin_register_collector(const char *name, sdb_plugin_collector_cb callback
 		ctx_t *ctx = ctx_get();
 
 		if (! ctx) {
-			sdb_log(SDB_LOG_ERR, "core: Cannot determine interval "
-					"for collector %s; none specified and no plugin "
-					"context found", cb_name);
+			sdb_log(SDB_LOG_ERR, "Cannot determine interval for collector %s; "
+					"none specified and no plugin context found", cb_name);
 			return -1;
 		}
 
@@ -1121,8 +1113,8 @@ sdb_plugin_register_collector(const char *name, sdb_plugin_collector_cb callback
 
 	if (! (CCB(obj)->ccb_next_update = sdb_gettime())) {
 		char errbuf[1024];
-		sdb_log(SDB_LOG_ERR, "core: Failed to determine current "
-				"time: %s", sdb_strerror(errno, errbuf, sizeof(errbuf)));
+		sdb_log(SDB_LOG_ERR, "Failed to determine current time: %s",
+				sdb_strerror(errno, errbuf, sizeof(errbuf)));
 		sdb_object_deref(obj);
 		return -1;
 	}
@@ -1136,7 +1128,7 @@ sdb_plugin_register_collector(const char *name, sdb_plugin_collector_cb callback
 	/* pass control to the list */
 	sdb_object_deref(obj);
 
-	sdb_log(SDB_LOG_INFO, "core: Registered collector callback '%s' "
+	sdb_log(SDB_LOG_INFO, "Registered collector callback '%s' "
 			"(interval = %.3fs).", cb_name,
 			SDB_TIME_TO_DOUBLE(CCB(obj)->ccb_interval));
 	return 0;
@@ -1185,7 +1177,7 @@ sdb_plugin_unregister_all(void)
 			continue;
 
 		sdb_llist_clear(list);
-		sdb_log(SDB_LOG_INFO, "core: Unregistered %zu %s callback%s",
+		sdb_log(SDB_LOG_INFO, "Unregistered %zu %s callback%s",
 				len, type, len == 1 ? "" : "s");
 	}
 } /* sdb_plugin_unregister_all */
@@ -1197,7 +1189,7 @@ sdb_plugin_get_ctx(void)
 
 	c = ctx_get();
 	if (! c) {
-		sdb_log(SDB_LOG_ERR, "core: Invalid read access to plugin "
+		sdb_log(SDB_LOG_ERR, "Invalid read access to plugin "
 				"context outside a plugin");
 		return plugin_default_ctx;
 	}
@@ -1211,7 +1203,7 @@ sdb_plugin_set_ctx(sdb_plugin_ctx_t ctx, sdb_plugin_ctx_t *old)
 
 	c = ctx_get();
 	if (! c) {
-		sdb_log(SDB_LOG_ERR, "core: Invalid write access to plugin "
+		sdb_log(SDB_LOG_ERR, "Invalid write access to plugin "
 				"context outside a plugin");
 		return -1;
 	}
@@ -1249,11 +1241,11 @@ sdb_plugin_configure(const char *name, oconfig_item_t *ci)
 	if (! plugin) {
 		ctx_t *ctx = CTX(sdb_llist_search_by_name(all_plugins, name));
 		if (! ctx)
-			sdb_log(SDB_LOG_ERR, "core: Cannot configure unknown "
-					"plugin '%s'. Missing 'LoadPlugin \"%s\"'?",
+			sdb_log(SDB_LOG_ERR, "Cannot configure unknown plugin '%s'. "
+					"Missing 'LoadPlugin \"%s\"'?",
 					name, name);
 		else
-			sdb_log(SDB_LOG_ERR, "core: Plugin '%s' did not register "
+			sdb_log(SDB_LOG_ERR, "Plugin '%s' did not register "
 					"a config callback.", name);
 		errno = ENOENT;
 		return -1;
@@ -1316,7 +1308,7 @@ sdb_plugin_reconfigure_finish(void)
 		if (ctx->use_cnt)
 			continue;
 
-		sdb_log(SDB_LOG_INFO, "core: Module %s no longer in use",
+		sdb_log(SDB_LOG_INFO, "Module %s no longer in use",
 				ctx->info.plugin_name);
 		sdb_llist_iter_remove_current(iter);
 		plugin_unregister_by_name(ctx->info.plugin_name);
@@ -1346,8 +1338,8 @@ sdb_plugin_init_all(void)
 
 		old_ctx = ctx_set(cb->cb_ctx);
 		if (callback(cb->cb_user_data)) {
-			sdb_log(SDB_LOG_ERR, "core: Failed to initialize plugin "
-					"'%s'. Unregistering all callbacks.", obj->name);
+			sdb_log(SDB_LOG_ERR, "Failed to initialize plugin '%s'. "
+					"Unregistering all callbacks.", obj->name);
 			ctx_set(old_ctx);
 			plugin_unregister_by_name(cb->cb_ctx->info.plugin_name);
 			++ret;
@@ -1379,7 +1371,7 @@ sdb_plugin_shutdown_all(void)
 
 		old_ctx = ctx_set(cb->cb_ctx);
 		if (callback(cb->cb_user_data)) {
-			sdb_log(SDB_LOG_ERR, "core: Failed to shutdown plugin '%s'.",
+			sdb_log(SDB_LOG_ERR, "Failed to shutdown plugin '%s'.",
 					obj->name);
 			++ret;
 		}
@@ -1393,7 +1385,7 @@ int
 sdb_plugin_collector_loop(sdb_plugin_loop_t *loop)
 {
 	if (! collector_list) {
-		sdb_log(SDB_LOG_WARNING, "core: No collectors registered. "
+		sdb_log(SDB_LOG_WARNING, "No collectors registered. "
 				"Quiting main loop.");
 		return -1;
 	}
@@ -1415,7 +1407,7 @@ sdb_plugin_collector_loop(sdb_plugin_loop_t *loop)
 
 		if (! (now = sdb_gettime())) {
 			char errbuf[1024];
-			sdb_log(SDB_LOG_ERR, "core: Failed to determine current "
+			sdb_log(SDB_LOG_ERR, "Failed to determine current "
 					"time in collector main loop: %s",
 					sdb_strerror(errno, errbuf, sizeof(errbuf)));
 			now = CCB(obj)->ccb_next_update;
@@ -1428,7 +1420,7 @@ sdb_plugin_collector_loop(sdb_plugin_loop_t *loop)
 			while (loop->do_loop && sdb_sleep(interval, &interval)) {
 				if (errno != EINTR) {
 					char errbuf[1024];
-					sdb_log(SDB_LOG_ERR, "core: Failed to sleep "
+					sdb_log(SDB_LOG_ERR, "Failed to sleep "
 							"in collector main loop: %s",
 							sdb_strerror(errno, errbuf, sizeof(errbuf)));
 					sdb_llist_insert_sorted(collector_list, obj,
@@ -1458,7 +1450,7 @@ sdb_plugin_collector_loop(sdb_plugin_loop_t *loop)
 		if (! interval)
 			interval = loop->default_interval;
 		if (! interval) {
-			sdb_log(SDB_LOG_WARNING, "core: No interval configured "
+			sdb_log(SDB_LOG_WARNING, "No interval configured "
 					"for plugin '%s'; skipping any further "
 					"iterations.", obj->name);
 			sdb_object_deref(obj);
@@ -1469,14 +1461,14 @@ sdb_plugin_collector_loop(sdb_plugin_loop_t *loop)
 
 		if (! (now = sdb_gettime())) {
 			char errbuf[1024];
-			sdb_log(SDB_LOG_ERR, "core: Failed to determine current "
+			sdb_log(SDB_LOG_ERR, "Failed to determine current "
 					"time in collector main loop: %s",
 					sdb_strerror(errno, errbuf, sizeof(errbuf)));
 			now = CCB(obj)->ccb_next_update;
 		}
 
 		if (now > CCB(obj)->ccb_next_update) {
-			sdb_log(SDB_LOG_WARNING, "core: Plugin '%s' took too "
+			sdb_log(SDB_LOG_WARNING, "Plugin '%s' took too "
 					"long; skipping iterations to keep up.",
 					obj->name);
 			CCB(obj)->ccb_next_update = now;
@@ -1484,9 +1476,8 @@ sdb_plugin_collector_loop(sdb_plugin_loop_t *loop)
 
 		if (sdb_llist_insert_sorted(collector_list, obj,
 					plugin_cmp_next_update)) {
-			sdb_log(SDB_LOG_ERR, "core: Failed to re-insert "
-					"plugin '%s' into collector list. Unable to further "
-					"use the plugin.",
+			sdb_log(SDB_LOG_ERR, "Failed to re-insert plugin '%s' into "
+					"collector list. Unable to further use the plugin.",
 					obj->name);
 			sdb_object_deref(obj);
 			return -1;
@@ -1532,35 +1523,50 @@ sdb_plugin_cname(char *hostname)
 int
 sdb_plugin_log(int prio, const char *msg)
 {
-	sdb_llist_iter_t *iter;
+	const sdb_plugin_info_t *info;
 	int ret = -1;
 
-	bool logged = 0;
-
 	if (! msg)
 		return 0;
 
-	iter = sdb_llist_get_iter(log_list);
-	while (sdb_llist_iter_has_next(iter)) {
-		sdb_plugin_log_cb callback;
-		int tmp;
+	info = sdb_plugin_current();
 
-		sdb_object_t *obj = sdb_llist_iter_get_next(iter);
-		assert(obj);
+	{
+		const char *plugin_name = info ? info->plugin_name : "";
+		char log_msg[strlen(msg) + strlen(plugin_name) + strlen(" plugin: ") + 1];
 
-		callback = (sdb_plugin_log_cb)CB(obj)->cb_callback;
-		tmp = callback(prio, msg, CB(obj)->cb_user_data);
-		if (tmp > ret)
-			ret = tmp;
+		sdb_llist_iter_t *iter;
+		bool logged = 0;
 
-		if (CB(obj)->cb_ctx)
-			logged = 1;
-		/* else: this is an internally registered callback */
-	}
-	sdb_llist_iter_destroy(iter);
+		if (*plugin_name)
+			snprintf(log_msg, sizeof(log_msg), "%s plugin: %s",
+					plugin_name, msg);
+		else
+			strncpy(log_msg, msg, sizeof(log_msg));
+
+		iter = sdb_llist_get_iter(log_list);
+		while (sdb_llist_iter_has_next(iter)) {
+			sdb_plugin_log_cb callback;
+			int tmp;
+
+			sdb_object_t *obj = sdb_llist_iter_get_next(iter);
+			assert(obj);
+
+			callback = (sdb_plugin_log_cb)CB(obj)->cb_callback;
+			tmp = callback(prio, msg, CB(obj)->cb_user_data);
+			if (tmp > ret)
+				ret = tmp;
+
+			if (CB(obj)->cb_ctx)
+				logged = 1;
+			/* else: this is an internally registered callback */
+		}
+		sdb_llist_iter_destroy(iter);
 
-	if (! logged)
-		return fprintf(stderr, "[%s] %s\n", SDB_LOG_PRIO_TO_STRING(prio), msg);
+		if (! logged)
+			return fprintf(stderr, "[%s] %s\n",
+					SDB_LOG_PRIO_TO_STRING(prio), log_msg);
+	}
 	return ret;
 } /* sdb_plugin_log */
 
@@ -1619,7 +1625,7 @@ sdb_plugin_fetch_timeseries(const char *type, const char *id,
 
 	fetcher = TS_FETCHER(sdb_llist_search_by_name(timeseries_fetcher_list, type));
 	if (! fetcher) {
-		sdb_log(SDB_LOG_ERR, "core: Cannot fetch time-series of type %s: "
+		sdb_log(SDB_LOG_ERR, "Cannot fetch time-series of type %s: "
 				"no such plugin loaded", type);
 		errno = ENOENT;
 		return NULL;
@@ -1644,7 +1650,7 @@ sdb_plugin_describe_timeseries(const char *type, const char *id)
 
 	fetcher = TS_FETCHER(sdb_llist_search_by_name(timeseries_fetcher_list, type));
 	if (! fetcher) {
-		sdb_log(SDB_LOG_ERR, "core: Cannot describe time-series of type %s: "
+		sdb_log(SDB_LOG_ERR, "Cannot describe time-series of type %s: "
 				"no such plugin loaded", type);
 		errno = ENOENT;
 		return NULL;
@@ -1677,7 +1683,7 @@ sdb_plugin_query(sdb_ast_node_t *ast,
 	if ((ast->type != SDB_AST_TYPE_FETCH)
 			&& (ast->type != SDB_AST_TYPE_LIST)
 			&& (ast->type != SDB_AST_TYPE_LOOKUP)) {
-		sdb_log(SDB_LOG_ERR, "core: Cannot execute query of type %s",
+		sdb_log(SDB_LOG_ERR, "Cannot execute query of type %s",
 				SDB_AST_TYPE_TO_STRING(ast));
 		sdb_strbuf_sprintf(errbuf, "Cannot execute query of type %s",
 				SDB_AST_TYPE_TO_STRING(ast));
@@ -1689,7 +1695,7 @@ sdb_plugin_query(sdb_ast_node_t *ast,
 			? "Cannot execute query: multiple readers not supported"
 			: "Cannot execute query: no readers registered";
 		sdb_strbuf_sprintf(errbuf, "%s", msg);
-		sdb_log(SDB_LOG_ERR, "core: %s", msg);
+		sdb_log(SDB_LOG_ERR, "%s", msg);
 		return -1;
 	}
 
@@ -1722,14 +1728,13 @@ sdb_plugin_store_host(const char *name, sdb_time_t last_update)
 		return -1;
 
 	if (! sdb_llist_len(writer_list)) {
-		sdb_log(SDB_LOG_ERR, "core: Cannot store host: "
-				"no writers registered");
+		sdb_log(SDB_LOG_ERR, "Cannot store host: no writers registered");
 		return -1;
 	}
 
 	cname = sdb_plugin_cname(strdup(name));
 	if (! cname) {
-		sdb_log(SDB_LOG_ERR, "core: strdup failed");
+		sdb_log(SDB_LOG_ERR, "strdup failed");
 		return -1;
 	}
 
@@ -1774,14 +1779,14 @@ sdb_plugin_store_service(const char *hostname, const char *name,
 		return -1;
 
 	if (! sdb_llist_len(writer_list)) {
-		sdb_log(SDB_LOG_ERR, "core: Cannot store service: "
+		sdb_log(SDB_LOG_ERR, "Cannot store service: "
 				"no writers registered");
 		return -1;
 	}
 
 	cname = sdb_plugin_cname(strdup(hostname));
 	if (! cname) {
-		sdb_log(SDB_LOG_ERR, "core: strdup failed");
+		sdb_log(SDB_LOG_ERR, "strdup failed");
 		return -1;
 	}
 
@@ -1837,14 +1842,13 @@ sdb_plugin_store_metric(const char *hostname, const char *name,
 		return -1;
 
 	if (! sdb_llist_len(writer_list)) {
-		sdb_log(SDB_LOG_ERR, "core: Cannot store metric: "
-				"no writers registered");
+		sdb_log(SDB_LOG_ERR, "Cannot store metric: no writers registered");
 		return -1;
 	}
 
 	cname = sdb_plugin_cname(strdup(hostname));
 	if (! cname) {
-		sdb_log(SDB_LOG_ERR, "core: strdup failed");
+		sdb_log(SDB_LOG_ERR, "strdup failed");
 		return -1;
 	}
 
@@ -1907,14 +1911,13 @@ sdb_plugin_store_attribute(const char *hostname, const char *key,
 		return -1;
 
 	if (! sdb_llist_len(writer_list)) {
-		sdb_log(SDB_LOG_ERR, "core: Cannot store attribute: "
-				"no writers registered");
+		sdb_log(SDB_LOG_ERR, "Cannot store attribute: no writers registered");
 		return -1;
 	}
 
 	cname = sdb_plugin_cname(strdup(hostname));
 	if (! cname) {
-		sdb_log(SDB_LOG_ERR, "core: strdup failed");
+		sdb_log(SDB_LOG_ERR, "strdup failed");
 		return -1;
 	}
 
@@ -1960,14 +1963,14 @@ sdb_plugin_store_service_attribute(const char *hostname, const char *service,
 		return -1;
 
 	if (! sdb_llist_len(writer_list)) {
-		sdb_log(SDB_LOG_ERR, "core: Cannot store service attribute: "
+		sdb_log(SDB_LOG_ERR, "Cannot store service attribute: "
 				"no writers registered");
 		return -1;
 	}
 
 	cname = sdb_plugin_cname(strdup(hostname));
 	if (! cname) {
-		sdb_log(SDB_LOG_ERR, "core: strdup failed");
+		sdb_log(SDB_LOG_ERR, "strdup failed");
 		return -1;
 	}
 
@@ -2014,14 +2017,14 @@ sdb_plugin_store_metric_attribute(const char *hostname, const char *metric,
 		return -1;
 
 	if (! sdb_llist_len(writer_list)) {
-		sdb_log(SDB_LOG_ERR, "core: Cannot store metric attribute: "
+		sdb_log(SDB_LOG_ERR, "Cannot store metric attribute: "
 				"no writers registered");
 		return -1;
 	}
 
 	cname = sdb_plugin_cname(strdup(hostname));
 	if (! cname) {
-		sdb_log(SDB_LOG_ERR, "core: strdup failed");
+		sdb_log(SDB_LOG_ERR, "strdup failed");
 		return -1;
 	}
 
diff --git a/src/plugins/backend/collectd/unixsock.c b/src/plugins/backend/collectd/unixsock.c
index 73d0dc6..d5d7321 100644
--- a/src/plugins/backend/collectd/unixsock.c
+++ b/src/plugins/backend/collectd/unixsock.c
@@ -109,8 +109,7 @@ store_host(state_t *state, const char *hostname, sdb_time_t last_update)
 	/* else: first/new host */
 
 	if (state->current_host) {
-		sdb_log(SDB_LOG_DEBUG, "collectd::unixsock backend: Added/updated "
-				"%i metric%s (%i failed) for host '%s'.",
+		sdb_log(SDB_LOG_DEBUG, "Added/updated %i metric%s (%i failed) for host '%s'.",
 				state->metrics_updated, state->metrics_updated == 1 ? "" : "s",
 				state->metrics_failed, state->current_host);
 		state->metrics_updated = state->metrics_failed = 0;
@@ -120,8 +119,7 @@ store_host(state_t *state, const char *hostname, sdb_time_t last_update)
 	state->current_host = strdup(hostname);
 	if (! state->current_host) {
 		char errbuf[1024];
-		sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed to allocate "
-				"string buffer: %s",
+		sdb_log(SDB_LOG_ERR, "Failed to allocate string buffer: %s",
 				sdb_strerror(errno, errbuf, sizeof(errbuf)));
 		return -1;
 	}
@@ -129,15 +127,14 @@ store_host(state_t *state, const char *hostname, sdb_time_t last_update)
 	status = sdb_plugin_store_host(hostname, last_update);
 
 	if (status < 0) {
-		sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed to "
-				"store/update host '%s'.", hostname);
+		sdb_log(SDB_LOG_ERR, "Failed to store/update host '%s'.", hostname);
 		return -1;
 	}
 	else if (status > 0) /* value too old */
 		return 0;
 
-	sdb_log(SDB_LOG_DEBUG, "collectd::unixsock backend: Added/updated "
-			"host '%s' (last update timestamp = %"PRIsdbTIME").",
+	sdb_log(SDB_LOG_DEBUG, "Added/updated host '%s' "
+			"(last update timestamp = %"PRIsdbTIME").",
 			hostname, last_update);
 	return 0;
 } /* store_host */
@@ -167,8 +164,7 @@ add_metrics(const char *hostname, char *plugin, char *type,
 	else
 		status = sdb_plugin_store_metric(hostname, name, NULL, last_update);
 	if (status < 0) {
-		sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed to "
-				"store/update metric '%s/%s'.", hostname, name);
+		sdb_log(SDB_LOG_ERR, "Failed to store/update metric '%s/%s'.", hostname, name);
 		return -1;
 	}
 
@@ -226,8 +222,8 @@ get_data(sdb_unixsock_client_t __attribute__((unused)) *client,
 
 	hostname = strchr(hostname, ' ');
 	if (! hostname) {
-		sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Expected to find "
-				"a space character in the LISTVAL response");
+		sdb_log(SDB_LOG_ERR, "Expected to find a space character "
+				"in the LISTVAL response");
 		return -1;
 	}
 	*hostname = '\0';
@@ -235,8 +231,8 @@ get_data(sdb_unixsock_client_t __attribute__((unused)) *client,
 
 	if (sdb_data_parse(data[0].data.string, SDB_TYPE_DATETIME, &last_update)) {
 		char errbuf[1024];
-		sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed to parse "
-				"timestamp '%s' returned by LISTVAL: %s", data[0].data.string,
+		sdb_log(SDB_LOG_ERR, "Failed to parse timestamp '%s' "
+				"returned by LISTVAL: %s", data[0].data.string,
 				sdb_strerror(errno, errbuf, sizeof(errbuf)));
 		return -1;
 	}
@@ -267,13 +263,11 @@ sdb_collectd_init(sdb_object_t *user_data)
 
 	ud = SDB_OBJ_WRAPPER(user_data)->data;
 	if (sdb_unixsock_client_connect(ud->client)) {
-		sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: "
-				"Failed to connect to collectd.");
+		sdb_log(SDB_LOG_ERR, "Failed to connect to collectd.");
 		return -1;
 	}
 
-	sdb_log(SDB_LOG_INFO, "collectd::unixsock backend: Successfully "
-			"connected to collectd @ %s.",
+	sdb_log(SDB_LOG_INFO, "Successfully connected to collectd @ %s.",
 			sdb_unixsock_client_path(ud->client));
 	return 0;
 } /* sdb_collectd_init */
@@ -300,16 +294,14 @@ sdb_collectd_collect(sdb_object_t *user_data)
 	state.ud = ud;
 
 	if (sdb_unixsock_client_send(ud->client, "LISTVAL") <= 0) {
-		sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed to send "
-				"LISTVAL command to collectd @ %s.",
+		sdb_log(SDB_LOG_ERR, "Failed to send LISTVAL command to collectd @ %s.",
 				sdb_unixsock_client_path(ud->client));
 		return -1;
 	}
 
 	line = sdb_unixsock_client_recv(ud->client, buffer, sizeof(buffer));
 	if (! line) {
-		sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed to read "
-				"status of LISTVAL command from collectd @ %s.",
+		sdb_log(SDB_LOG_ERR, "Failed to read status of LISTVAL command from collectd @ %s.",
 				sdb_unixsock_client_path(ud->client));
 		return -1;
 	}
@@ -323,15 +315,13 @@ sdb_collectd_collect(sdb_object_t *user_data)
 	errno = 0;
 	count = strtol(line, &endptr, /* base */ 0);
 	if (errno || (line == endptr)) {
-		sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed to parse "
-				"status of LISTVAL command from collectd @ %s.",
+		sdb_log(SDB_LOG_ERR, "Failed to parse status of LISTVAL command from collectd @ %s.",
 				sdb_unixsock_client_path(ud->client));
 		return -1;
 	}
 
 	if (count < 0) {
-		sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed to get "
-				"value list from collectd @ %s: %s",
+		sdb_log(SDB_LOG_ERR, "Failed to get value list from collectd @ %s: %s",
 				sdb_unixsock_client_path(ud->client),
 				msg ? msg : line);
 		return -1;
@@ -341,15 +331,13 @@ sdb_collectd_collect(sdb_object_t *user_data)
 				SDB_OBJ(&state_obj), count, /* delim */ "/",
 				/* column count = */ 3,
 				SDB_TYPE_STRING, SDB_TYPE_STRING, SDB_TYPE_STRING)) {
-		sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed "
-				"to read response from collectd @ %s.",
+		sdb_log(SDB_LOG_ERR, "Failed to read response from collectd @ %s.",
 				sdb_unixsock_client_path(ud->client));
 		return -1;
 	}
 
 	if (state.current_host) {
-		sdb_log(SDB_LOG_DEBUG, "collectd::unixsock backend: Added/updated "
-				"%i metric%s (%i failed) for host '%s'.",
+		sdb_log(SDB_LOG_DEBUG, "Added/updated %i metric%s (%i failed) for host '%s'.",
 				state.metrics_updated, state.metrics_updated == 1 ? "" : "s",
 				state.metrics_failed, state.current_host);
 		free(state.current_host);
@@ -369,16 +357,15 @@ sdb_collectd_config_instance(oconfig_item_t *ci)
 	int i;
 
 	if (oconfig_get_string(ci, &name)) {
-		sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Instance requires "
-				"a single string argument\n\tUsage: <Instance NAME>");
+		sdb_log(SDB_LOG_ERR, "Instance requires a single string argument\n"
+				"\tUsage: <Instance NAME>");
 		return -1;
 	}
 
 	ud = calloc(1, sizeof(*ud));
 	if (! ud) {
 		char errbuf[1024];
-		sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed to "
-				"allocate user-data object: %s",
+		sdb_log(SDB_LOG_ERR, "Failed to allocate user-data object: %s",
 				sdb_strerror(errno, errbuf, sizeof(errbuf)));
 		return -1;
 	}
@@ -393,15 +380,13 @@ sdb_collectd_config_instance(oconfig_item_t *ci)
 		else if (! strcasecmp(child->key, "TimeseriesBaseURL"))
 			oconfig_get_string(child, &ud->ts_base);
 		else
-			sdb_log(SDB_LOG_WARNING, "collectd::unixsock backend: Ignoring "
-					"unknown config option '%s' inside <Instance %s>.",
-					child->key, name);
+			sdb_log(SDB_LOG_WARNING, "Ignoring unknown config option '%s' "
+					"inside <Instance %s>.", child->key, name);
 	}
 
 	if ((ud->ts_type == NULL) != (ud->ts_base == NULL)) {
-		sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Both options, "
-				"TimeseriesBackend and TimeseriesBaseURL, have to be "
-				"specified.");
+		sdb_log(SDB_LOG_ERR, "Both options, TimeseriesBackend and TimeseriesBaseURL, "
+				"have to be specified.");
 		ud->ts_type = ud->ts_base = NULL;
 		user_data_destroy(ud);
 		return -1;
@@ -412,8 +397,7 @@ sdb_collectd_config_instance(oconfig_item_t *ci)
 		 * -> will require different ID generation */
 		if (strcasecmp(ud->ts_type, "rrdtool")
 				&& strcasecmp(ud->ts_type, "rrdcached")) {
-			sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: "
-					"TimeseriesBackend '%s' is not supported - "
+			sdb_log(SDB_LOG_ERR, "TimeseriesBackend '%s' is not supported - "
 					"use 'rrdtool' instead.", ud->ts_type);
 			ud->ts_type = ud->ts_base = NULL;
 			user_data_destroy(ud);
@@ -423,16 +407,14 @@ sdb_collectd_config_instance(oconfig_item_t *ci)
 		ud->ts_type = strdup(ud->ts_type);
 		ud->ts_base = strdup(ud->ts_base);
 		if ((! ud->ts_type) || (! ud->ts_base)) {
-			sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed "
-					"to duplicate a string");
+			sdb_log(SDB_LOG_ERR, "Failed to duplicate a string");
 			user_data_destroy(ud);
 			return -1;
 		}
 	}
 
 	if (! socket_path) {
-		sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Instance '%s' "
-				"missing the 'Socket' option.", name);
+		sdb_log(SDB_LOG_ERR, "Instance '%s' missing the 'Socket' option.", name);
 		user_data_destroy(ud);
 		return -1;
 	}
@@ -440,8 +422,7 @@ sdb_collectd_config_instance(oconfig_item_t *ci)
 	ud->client = sdb_unixsock_client_create(socket_path);
 	if (! ud->client) {
 		char errbuf[1024];
-		sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed to create "
-				"unixsock client: %s",
+		sdb_log(SDB_LOG_ERR, "Failed to create unixsock client: %s",
 				sdb_strerror(errno, errbuf, sizeof(errbuf)));
 		user_data_destroy(ud);
 		return -1;
@@ -450,8 +431,7 @@ sdb_collectd_config_instance(oconfig_item_t *ci)
 	user_data = sdb_object_create_wrapper("collectd-userdata", ud,
 			user_data_destroy);
 	if (! user_data) {
-		sdb_log(SDB_LOG_ERR, "collectd::unixsock backend: Failed to allocate "
-				"user-data wrapper object");
+		sdb_log(SDB_LOG_ERR, "Failed to allocate user-data wrapper object");
 		user_data_destroy(ud);
 		return -1;
 	}
@@ -479,8 +459,7 @@ sdb_collectd_config(oconfig_item_t *ci)
 		if (! strcasecmp(child->key, "Instance"))
 			sdb_collectd_config_instance(child);
 		else
-			sdb_log(SDB_LOG_WARNING, "collectd::unixsock backend: Ignoring "
-					"unknown config option '%s'.", child->key);
+			sdb_log(SDB_LOG_WARNING, "Ignoring unknown config option '%s'.", child->key);
 	}
 	return 0;
 } /* sdb_collectd_config */
diff --git a/src/plugins/backend/facter.cc b/src/plugins/backend/facter.cc
index e556186..9b32597 100644
--- a/src/plugins/backend/facter.cc
+++ b/src/plugins/backend/facter.cc
@@ -85,8 +85,8 @@ extern "C" {
 
 		sdb_plugin_store_host(hostname, now);
 		facts.each(fact_iter);
-		sdb_log(SDB_LOG_DEBUG, "facter backend: Processed %zu facts "
-				"for host '%s'", facts.size(), hostname);
+		sdb_log(SDB_LOG_DEBUG, "Processed %zu facts for host '%s'",
+				facts.size(), hostname);
 		return 0;
 	} /* main */
 
diff --git a/src/plugins/backend/mk-livestatus.c b/src/plugins/backend/mk-livestatus.c
index cd8bbd0..4905d12 100644
--- a/src/plugins/backend/mk-livestatus.c
+++ b/src/plugins/backend/mk-livestatus.c
@@ -72,15 +72,14 @@ sdb_livestatus_get_host(sdb_unixsock_client_t __attribute__((unused)) *client,
 	status = sdb_plugin_store_host(hostname, timestamp);
 
 	if (status < 0) {
-		sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Failed to "
-				"store/update host '%s'.", hostname);
+		sdb_log(SDB_LOG_ERR, "Failed to store/update host '%s'.", hostname);
 		return -1;
 	}
 	else if (status > 0) /* value too old */
 		return 0;
 
-	sdb_log(SDB_LOG_DEBUG, "MK Livestatus backend: Added/updated "
-			"host '%s' (last update timestamp = %"PRIsdbTIME").",
+	sdb_log(SDB_LOG_DEBUG, "Added/updated host '%s' "
+			"(last update timestamp = %"PRIsdbTIME").",
 			hostname, timestamp);
 	return 0;
 } /* sdb_livestatus_get_host */
@@ -108,15 +107,15 @@ sdb_livestatus_get_svc(sdb_unixsock_client_t __attribute__((unused)) *client,
 	status = sdb_plugin_store_service(hostname, svcname, timestamp);
 
 	if (status < 0) {
-		sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Failed to "
-				"store/update service '%s / %s'.", hostname, svcname);
+		sdb_log(SDB_LOG_ERR, "Failed to store/update service '%s / %s'.",
+				hostname, svcname);
 		return -1;
 	}
 	else if (status > 0) /* value too old */
 		return 0;
 
-	sdb_log(SDB_LOG_DEBUG, "MK Livestatus backend: Added/updated "
-			"service '%s / %s' (last update timestamp = %"PRIsdbTIME").",
+	sdb_log(SDB_LOG_DEBUG, "Added/updated service '%s / %s' "
+			"(last update timestamp = %"PRIsdbTIME").",
 			hostname, svcname, timestamp);
 	return 0;
 } /* sdb_livestatus_get_svc */
@@ -135,14 +134,12 @@ sdb_livestatus_init(sdb_object_t *user_data)
 
 	client = SDB_OBJ_WRAPPER(user_data)->data;
 	if (sdb_unixsock_client_connect(client)) {
-		sdb_log(SDB_LOG_ERR, "MK Livestatus backend: "
-				"Failed to connect to livestatus @ %s.",
+		sdb_log(SDB_LOG_ERR, "Failed to connect to livestatus @ %s.",
 				sdb_unixsock_client_path(client));
 		return -1;
 	}
 
-	sdb_log(SDB_LOG_INFO, "MK Livestatus backend: Successfully "
-			"connected to livestatus @ %s.",
+	sdb_log(SDB_LOG_INFO, "Successfully connected to livestatus @ %s.",
 			sdb_unixsock_client_path(client));
 	return 0;
 } /* sdb_livestatus_init */
@@ -173,8 +170,7 @@ sdb_livestatus_collect(sdb_object_t *user_data)
 	status = sdb_unixsock_client_send(client, "GET hosts\r\n"
 			"Columns: name last_check");
 	if (status <= 0) {
-		sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Failed to send "
-				"'GET hosts' command to livestatus @ %s.",
+		sdb_log(SDB_LOG_ERR, "Failed to send 'GET hosts' command to livestatus @ %s.",
 				sdb_unixsock_client_path(client));
 		return -1;
 	}
@@ -184,17 +180,15 @@ sdb_livestatus_collect(sdb_object_t *user_data)
 	if (sdb_unixsock_client_process_lines(client, sdb_livestatus_get_host,
 				/* user data */ NULL, /* -> EOF */ -1, /* delim */ ";",
 				/* column count */ 2, SDB_TYPE_STRING, SDB_TYPE_DATETIME)) {
-		sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Failed to read "
-				"response from livestatus @ %s while reading hosts.",
-				sdb_unixsock_client_path(client));
+		sdb_log(SDB_LOG_ERR, "Failed to read response from livestatus @ %s "
+				"while reading hosts.", sdb_unixsock_client_path(client));
 		return -1;
 	}
 
 	if ((! sdb_unixsock_client_eof(client))
 			|| sdb_unixsock_client_error(client)) {
 		char errbuf[1024];
-		sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Failed to read "
-				"host from livestatus @ %s: %s",
+		sdb_log(SDB_LOG_ERR, "Failed to read host from livestatus @ %s: %s",
 				sdb_unixsock_client_path(client),
 				sdb_strerror(errno, errbuf, sizeof(errbuf)));
 		return -1;
@@ -203,8 +197,7 @@ sdb_livestatus_collect(sdb_object_t *user_data)
 	status = sdb_unixsock_client_send(client, "GET services\r\n"
 			"Columns: host_name description last_check");
 	if (status <= 0) {
-		sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Failed to send "
-				"'GET services' command to livestatus @ %s.",
+		sdb_log(SDB_LOG_ERR, "Failed to send 'GET services' command to livestatus @ %s.",
 				sdb_unixsock_client_path(client));
 		return -1;
 	}
@@ -215,8 +208,7 @@ sdb_livestatus_collect(sdb_object_t *user_data)
 				/* user data */ NULL, /* -> EOF */ -1, /* delim */ ";",
 				/* column count */ 3, SDB_TYPE_STRING, SDB_TYPE_STRING,
 				SDB_TYPE_DATETIME)) {
-		sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Failed to read "
-				"response from livestatus @ %s while reading services.",
+		sdb_log(SDB_LOG_ERR, "Failed to read response from livestatus @ %s while reading services.",
 				sdb_unixsock_client_path(client));
 		return -1;
 	}
@@ -224,8 +216,7 @@ sdb_livestatus_collect(sdb_object_t *user_data)
 	if ((! sdb_unixsock_client_eof(client))
 			|| sdb_unixsock_client_error(client)) {
 		char errbuf[1024];
-		sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Failed to read "
-				"services from livestatus @ %s: %s",
+		sdb_log(SDB_LOG_ERR, "Failed to read services from livestatus @ %s: %s",
 				sdb_unixsock_client_path(client),
 				sdb_strerror(errno, errbuf, sizeof(errbuf)));
 		return -1;
@@ -245,8 +236,8 @@ sdb_livestatus_config_instance(oconfig_item_t *ci)
 	int i;
 
 	if (oconfig_get_string(ci, &name)) {
-		sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Instance requires "
-				"a single string argument\n\tUsage: <Instance NAME>");
+		sdb_log(SDB_LOG_ERR, "Instance requires a single string argument\n"
+				"\tUsage: <Instance NAME>");
 		return -1;
 	}
 
@@ -256,22 +247,19 @@ sdb_livestatus_config_instance(oconfig_item_t *ci)
 		if (! strcasecmp(child->key, "Socket"))
 			oconfig_get_string(child, &socket_path);
 		else
-			sdb_log(SDB_LOG_WARNING, "MK Livestatus backend: Ignoring "
-					"unknown config option '%s' inside <Instance %s>.",
-					child->key, name);
+			sdb_log(SDB_LOG_WARNING, "Ignoring unknown config option '%s' "
+					"inside <Instance %s>.", child->key, name);
 	}
 
 	if (! socket_path) {
-		sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Instance '%s' "
-				"missing the 'Socket' option.", name);
+		sdb_log(SDB_LOG_ERR, "Instance '%s' missing the 'Socket' option.", name);
 		return -1;
 	}
 
 	client = sdb_unixsock_client_create(socket_path);
 	if (! client) {
 		char errbuf[1024];
-		sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Failed to create "
-				"unixsock client: %s",
+		sdb_log(SDB_LOG_ERR, "Failed to create unixsock client: %s",
 				sdb_strerror(errno, errbuf, sizeof(errbuf)));
 		return -1;
 	}
@@ -280,8 +268,7 @@ sdb_livestatus_config_instance(oconfig_item_t *ci)
 			(void (*)(void *))sdb_unixsock_client_destroy);
 	if (! user_data) {
 		sdb_unixsock_client_destroy(client);
-		sdb_log(SDB_LOG_ERR, "MK Livestatus backend: Failed to "
-				"allocate sdb_object_t");
+		sdb_log(SDB_LOG_ERR, "Failed to allocate sdb_object_t");
 		return -1;
 	}
 
@@ -309,8 +296,7 @@ sdb_livestatus_config(oconfig_item_t *ci)
 		if (! strcasecmp(child->key, "Instance"))
 			sdb_livestatus_config_instance(child);
 		else
-			sdb_log(SDB_LOG_WARNING, "MK Livestatus backend: Ignoring "
-					"unknown config option '%s'.", child->key);
+			sdb_log(SDB_LOG_WARNING, "Ignoring unknown config option '%s'.", child->key);
 	}
 	return 0;
 } /* sdb_livestatus_config */
diff --git a/src/plugins/backend/puppet/store-configs.c b/src/plugins/backend/puppet/store-configs.c
index 800e81b..330ba9d 100644
--- a/src/plugins/backend/puppet/store-configs.c
+++ b/src/plugins/backend/puppet/store-configs.c
@@ -65,14 +65,13 @@ sdb_puppet_stcfg_get_hosts(sdb_dbi_client_t __attribute__((unused)) *client,
 	status = sdb_plugin_store_host(hostname, timestamp);
 
 	if (status < 0) {
-		sdb_log(SDB_LOG_ERR, "puppet::store-configs backend: Failed to "
-				"store/update host '%s'.", hostname);
+		sdb_log(SDB_LOG_ERR, "Failed to store/update host '%s'.", hostname);
 		return -1;
 	}
 	else if (! status)
-		sdb_log(SDB_LOG_DEBUG, "puppet::store-configs backend: "
-				"Added/updated host '%s' (last update timestamp = "
-				"%"PRIsdbTIME").", hostname, timestamp);
+		sdb_log(SDB_LOG_DEBUG, "Added/updated host '%s' "
+				"(last update timestamp = %"PRIsdbTIME").",
+				hostname, timestamp);
 	return 0;
 } /* sdb_puppet_stcfg_get_hosts */
 
@@ -103,9 +102,8 @@ sdb_puppet_stcfg_get_attrs(sdb_dbi_client_t __attribute__((unused)) *client,
 	status = sdb_plugin_store_attribute(hostname, key, &value, last_update);
 
 	if (status < 0) {
-		sdb_log(SDB_LOG_ERR, "puppet::store-configs backend: Failed to "
-				"store/update host attribute '%s' for host '%s'.",
-				key, hostname);
+		sdb_log(SDB_LOG_ERR, "Failed to store/update host attribute "
+				"'%s' for host '%s'.", key, hostname);
 		return -1;
 	}
 
@@ -126,13 +124,11 @@ sdb_puppet_stcfg_init(sdb_object_t *user_data)
 
 	client = SDB_OBJ_WRAPPER(user_data)->data;
 	if (sdb_dbi_client_connect(client)) {
-		sdb_log(SDB_LOG_ERR, "puppet::store-configs backend: "
-				"Failed to connect to the storeconfigs DB.");
+		sdb_log(SDB_LOG_ERR, "Failed to connect to the storeconfigs DB.");
 		return -1;
 	}
 
-	sdb_log(SDB_LOG_INFO, "puppet::store-configs backend: Successfully "
-			"connected to the storeconfigs DB.");
+	sdb_log(SDB_LOG_INFO, "Successfully connected to the storeconfigs DB.");
 	return 0;
 } /* sdb_puppet_stcfg_init */
 
@@ -157,16 +153,14 @@ sdb_puppet_stcfg_collect(sdb_object_t *user_data)
 
 	client = SDB_OBJ_WRAPPER(user_data)->data;
 	if (sdb_dbi_client_check_conn(client)) {
-		sdb_log(SDB_LOG_ERR, "puppet::store-configs backend: "
-				"Connection to storeconfigs DB failed.");
+		sdb_log(SDB_LOG_ERR, "Connection to storeconfigs DB failed.");
 		return -1;
 	}
 
 	if (sdb_dbi_exec_query(client, "SELECT name, updated_at FROM hosts;",
 				sdb_puppet_stcfg_get_hosts, NULL, /* #columns = */ 2,
 				/* col types = */ SDB_TYPE_STRING, SDB_TYPE_DATETIME)) {
-		sdb_log(SDB_LOG_ERR, "puppet::store-configs backend: Failed to "
-				"retrieve hosts from the storeconfigs DB.");
+		sdb_log(SDB_LOG_ERR, "Failed to retrieve hosts from the storeconfigs DB.");
 		return -1;
 	}
 
@@ -183,8 +177,7 @@ sdb_puppet_stcfg_collect(sdb_object_t *user_data)
 				sdb_puppet_stcfg_get_attrs, NULL, /* #columns = */ 4,
 				/* col types = */ SDB_TYPE_STRING, SDB_TYPE_STRING,
 				SDB_TYPE_STRING, SDB_TYPE_DATETIME)) {
-		sdb_log(SDB_LOG_ERR, "puppet::store-configs backend: Failed to "
-				"retrieve host attributes from the storeconfigs DB.");
+		sdb_log(SDB_LOG_ERR, "Failed to retrieve host attributes from the storeconfigs DB.");
 		return -1;
 	}
 	return 0;
@@ -205,8 +198,7 @@ sdb_puppet_stcfg_config_conn(oconfig_item_t *ci)
 	int i;
 
 	if (oconfig_get_string(ci, &name)) {
-		sdb_log(SDB_LOG_ERR, "puppet::store-configs backend: Connection "
-				"requires a single string argument\n"
+		sdb_log(SDB_LOG_ERR, "Connection requires a single string argument\n"
 				"\tUsage: <Connection NAME>");
 		return -1;
 	}
@@ -219,19 +211,15 @@ sdb_puppet_stcfg_config_conn(oconfig_item_t *ci)
 
 		if (! strcasecmp(child->key, "DBAdapter")) {
 			if (oconfig_get_string(child, &driver)) {
-				sdb_log(SDB_LOG_ERR, "puppet::store-configs backend: "
-						"DBAdapter requires a single string argument inside "
-						"<Connection %s>\n\tUsage: DBAdapter NAME",
-						name);
+				sdb_log(SDB_LOG_ERR, "DBAdapter requires a single string argument "
+						"inside <Connection %s>\n\tUsage: DBAdapter NAME", name);
 			}
 			continue;
 		}
 		else if (! strcasecmp(child->key, "DBName")) {
 			if (oconfig_get_string(child, &database)) {
-				sdb_log(SDB_LOG_ERR, "puppet::store-configs backend: "
-						"DBName requires a single string argument inside "
-						"<Connection %s>\n\tUsage: DBName NAME",
-						name);
+				sdb_log(SDB_LOG_ERR, "DBName requires a single string argument "
+						"inside <Connection %s>\n\tUsage: DBName NAME", name);
 			}
 			continue;
 		}
@@ -255,10 +243,8 @@ sdb_puppet_stcfg_config_conn(oconfig_item_t *ci)
 			if ((child->values_num != 2)
 					|| (child->values[0].type != OCONFIG_TYPE_STRING)
 					|| (child->values[1].type != OCONFIG_TYPE_STRING)) {
-				sdb_log(SDB_LOG_ERR, "puppet::store-configs backend: "
-						"DBIOption requires exactly two string arguments "
-						"inside <Connection %s>\n"
-						"\tUsage: DBIOption KEY VALUE", name);
+				sdb_log(SDB_LOG_ERR, "DBIOption requires exactly two string arguments "
+						"inside <Connection %s>\n\tUsage: DBIOption KEY VALUE", name);
 				continue;
 			}
 
@@ -267,16 +253,14 @@ sdb_puppet_stcfg_config_conn(oconfig_item_t *ci)
 			value = child->values[1].value.string;
 		}
 		else {
-			sdb_log(SDB_LOG_WARNING, "puppet::store-configs backend: "
-					"Ignoring unknown config option '%s' inside "
-					"<Connection %s>.", child->key, name);
+			sdb_log(SDB_LOG_WARNING, "Ignoring unknown config option '%s' "
+					"inside <Connection %s>.", child->key, name);
 			continue;
 		}
 
 		if (status) {
-			sdb_log(SDB_LOG_ERR, "puppet::store-configs backend: Option "
-					"'%s' requires a single string argument inside "
-					"<Connection %s>\n\tUsage: DBAdapter NAME",
+			sdb_log(SDB_LOG_ERR, "Option '%s' requires a single string argument "
+					"inside <Connection %s>\n\tUsage: DBAdapter NAME",
 					child->key, name);
 			continue;
 		}
@@ -286,8 +270,7 @@ sdb_puppet_stcfg_config_conn(oconfig_item_t *ci)
 		if (! options) {
 			if (! (options = sdb_dbi_options_create())) {
 				char errmsg[1024];
-				sdb_log(SDB_LOG_ERR, "puppet::store-configs backend: "
-						"Failed to create DBI options object: %s",
+				sdb_log(SDB_LOG_ERR, "Failed to create DBI options object: %s",
 						sdb_strerror(errno, errmsg, sizeof(errmsg)));
 				continue;
 			}
@@ -295,30 +278,25 @@ sdb_puppet_stcfg_config_conn(oconfig_item_t *ci)
 
 		if (sdb_dbi_options_add(options, key, value)) {
 			char errmsg[1024];
-			sdb_log(SDB_LOG_ERR, "puppet::store-configs backend: "
-					"Failed to add option '%s': %s", key,
+			sdb_log(SDB_LOG_ERR, "Failed to add option '%s': %s", key,
 					sdb_strerror(errno, errmsg, sizeof(errmsg)));
 			continue;
 		}
 	}
 
 	if (! driver) {
-		sdb_log(SDB_LOG_ERR, "puppet::store-configs backend: "
-				"Connection '%s' " "missing the 'DBAdapter' option.",
-				name);
+		sdb_log(SDB_LOG_ERR, "Connection '%s' " "missing the 'DBAdapter' option.", name);
 		return -1;
 	}
 	if (! database) {
-		sdb_log(SDB_LOG_ERR, "puppet::store-configs backend: "
-				"Connection '%s' missing the 'DBName' option.", name);
+		sdb_log(SDB_LOG_ERR, "Connection '%s' missing the 'DBName' option.", name);
 		return -1;
 	}
 
 	client = sdb_dbi_client_create(driver, database);
 	if (! client) {
 		char errbuf[1024];
-		sdb_log(SDB_LOG_ERR, "puppet::store-configs backend: "
-				"Failed to create DBI client: %s",
+		sdb_log(SDB_LOG_ERR, "Failed to create DBI client: %s",
 				sdb_strerror(errno, errbuf, sizeof(errbuf)));
 		return -1;
 	}
@@ -329,8 +307,7 @@ sdb_puppet_stcfg_config_conn(oconfig_item_t *ci)
 			(void (*)(void *))sdb_dbi_client_destroy);
 	if (! user_data) {
 		sdb_dbi_client_destroy(client);
-		sdb_log(SDB_LOG_ERR, "puppet::store-configs backend: "
-				"Failed to allocate sdb_object_t");
+		sdb_log(SDB_LOG_ERR, "Failed to allocate sdb_object_t");
 		return -1;
 	}
 
@@ -359,8 +336,7 @@ sdb_puppet_stcfg_config(oconfig_item_t *ci)
 		if (! strcasecmp(child->key, "Connection"))
 			sdb_puppet_stcfg_config_conn(child);
 		else
-			sdb_log(SDB_LOG_WARNING, "puppet::store-configs backend: "
-					"Ignoring unknown config option '%s'.", child->key);
+			sdb_log(SDB_LOG_WARNING, "Ignoring unknown config option '%s'.", child->key);
 	}
 	return 0;
 } /* sdb_puppet_stcfg_config */
diff --git a/src/plugins/cname/dns.c b/src/plugins/cname/dns.c
index 0b17d96..0c08d99 100644
--- a/src/plugins/cname/dns.c
+++ b/src/plugins/cname/dns.c
@@ -68,7 +68,7 @@ sdb_dns_cname(const char *name,
 	err = getaddrinfo(name, /* service = */ NULL, &hints, &ret);
 	if (err) {
 		/* XXX: what to do about EAI_AGAIN? */
-		sdb_log(SDB_LOG_ERR, "cname::dns: Failed to resolve '%s': %s",
+		sdb_log(SDB_LOG_ERR, "Failed to resolve '%s': %s",
 				name, gai_strerror(err));
 		return NULL;
 	}
diff --git a/src/plugins/store/memory.c b/src/plugins/store/memory.c
index 703696f..7e79378 100644
--- a/src/plugins/store/memory.c
+++ b/src/plugins/store/memory.c
@@ -47,7 +47,7 @@ mem_init(sdb_object_t *user_data)
 	sdb_memstore_t *store = SDB_MEMSTORE(user_data);
 
 	if (! store) {
-		sdb_log(SDB_LOG_ERR, "store: Failed to allocate store");
+		sdb_log(SDB_LOG_ERR, "Failed to allocate store");
 		return -1;
 	}
 	if (sdb_plugin_register_writer("memstore",
@@ -85,8 +85,7 @@ sdb_module_init(sdb_plugin_info_t *info)
 
 	if (! store) {
 		if (! (store = sdb_memstore_create())) {
-			sdb_log(SDB_LOG_ERR, "store::memory plugin: "
-					"Failed to create store object");
+			sdb_log(SDB_LOG_ERR, "Failed to create store object");
 			return -1;
 		}
 	}
diff --git a/src/plugins/store/network.c b/src/plugins/store/network.c
index 79df107..fc416fe 100644
--- a/src/plugins/store/network.c
+++ b/src/plugins/store/network.c
@@ -96,20 +96,20 @@ store_rpc(user_data_t *ud, const char *msg, size_t msg_len)
 	if (sdb_client_eof(ud->client)) {
 		sdb_client_close(ud->client);
 		if (sdb_client_connect(ud->client, ud->username)) {
-			sdb_log(SDB_LOG_ERR, "store::network: Failed to reconnect "
-					"to SysDB at %s as user %s", ud->addr, ud->username);
+			sdb_log(SDB_LOG_ERR, "Failed to reconnect to SysDB "
+					"at %s as user %s", ud->addr, ud->username);
 			return -1;
 		}
-		sdb_log(SDB_LOG_INFO, "store::network: Successfully reconnected "
-				"to SysDB at %s as user %s", ud->addr, ud->username);
+		sdb_log(SDB_LOG_INFO, "Successfully reconnected to SysDB "
+				"at %s as user %s", ud->addr, ud->username);
 	}
 
 	status = sdb_client_rpc(ud->client, SDB_CONNECTION_STORE,
 			(uint32_t)msg_len, msg, &rstatus, buf);
 	if (status < 0)
-		sdb_log(SDB_LOG_ERR, "store::network: %s", sdb_strbuf_string(buf));
+		sdb_log(SDB_LOG_ERR, "%s", sdb_strbuf_string(buf));
 	else if (rstatus != SDB_CONNECTION_OK) {
-		sdb_log(SDB_LOG_ERR, "store::network: Failed to send object: %s",
+		sdb_log(SDB_LOG_ERR, "Failed to send object: %s",
 				sdb_strbuf_string(buf));
 		status = -1;
 	}
@@ -193,13 +193,13 @@ store_init(sdb_object_t *user_data)
 
 	ud = SDB_OBJ_WRAPPER(user_data)->data;
 	if (sdb_client_connect(ud->client, ud->username)) {
-		sdb_log(SDB_LOG_ERR, "store::network: Failed to connect "
-				"to SysDB at %s as user %s", ud->addr, ud->username);
+		sdb_log(SDB_LOG_ERR, "Failed to connect to SysDB "
+				"at %s as user %s", ud->addr, ud->username);
 		return -1;
 	}
 
-	sdb_log(SDB_LOG_INFO, "store::network: Successfully connected "
-			"to SysDB at %s as user %s", ud->addr, ud->username);
+	sdb_log(SDB_LOG_INFO, "Successfully connected to SysDB "
+			"at %s as user %s", ud->addr, ud->username);
 	return 0;
 } /* store_init */
 
@@ -214,22 +214,20 @@ store_config_server(oconfig_item_t *ci)
 	ud = calloc(1, sizeof(*ud));
 	if (! ud) {
 		char errbuf[1024];
-		sdb_log(SDB_LOG_ERR, "store::network: Failed to allocate "
-				"a user-data object: %s",
+		sdb_log(SDB_LOG_ERR, "Failed to allocate a user-data object: %s",
 				sdb_strerror(errno, errbuf, sizeof(errbuf)));
 		return -1;
 	}
 
 	if (oconfig_get_string(ci, &ud->addr)) {
-		sdb_log(SDB_LOG_ERR, "store::network: Server requires "
-				"a single string argument\n\tUsage: <Server ADDRESS>");
+		sdb_log(SDB_LOG_ERR, "Server requires a single string argument\n"
+				"\tUsage: <Server ADDRESS>");
 		user_data_destroy(ud);
 		return -1;
 	}
 	ud->addr = strdup(ud->addr);
 	if (! ud->addr) {
-		sdb_log(SDB_LOG_ERR, "store::network: Failed to duplicate "
-				"a string");
+		sdb_log(SDB_LOG_ERR, "Failed to duplicate a string");
 		user_data_destroy(ud);
 		return -1;
 	}
@@ -237,9 +235,8 @@ store_config_server(oconfig_item_t *ci)
 	ud->client = sdb_client_create(ud->addr);
 	if (! ud->client) {
 		char errbuf[1024];
-		sdb_log(SDB_LOG_ERR, "store::network: Failed to create client "
-				"connecting to '%s': %s", ud->addr,
-				sdb_strerror(errno, errbuf, sizeof(errbuf)));
+		sdb_log(SDB_LOG_ERR, "Failed to create client connecting to '%s': %s",
+				ud->addr, sdb_strerror(errno, errbuf, sizeof(errbuf)));
 		user_data_destroy(ud);
 		return -1;
 	}
@@ -277,9 +274,8 @@ store_config_server(oconfig_item_t *ci)
 			ud->ssl_opts.ca_file = strdup(tmp);
 		}
 		else
-			sdb_log(SDB_LOG_WARNING, "store::network: Ignoring "
-					"unknown config option '%s' inside <Server %s>.",
-					child->key, ud->addr);
+			sdb_log(SDB_LOG_WARNING, "Ignoring unknown config option '%s' "
+					"inside <Server %s>.", child->key, ud->addr);
 	}
 
 	if (ret) {
@@ -290,7 +286,7 @@ store_config_server(oconfig_item_t *ci)
 		ud->username = sdb_get_current_user();
 
 	if (sdb_client_set_ssl_options(ud->client, &ud->ssl_opts)) {
-		sdb_log(SDB_LOG_ERR, "store::network: Failed to apply SSL options");
+		sdb_log(SDB_LOG_ERR, "Failed to apply SSL options");
 		user_data_destroy(ud);
 		return -1;
 	}
@@ -299,8 +295,7 @@ store_config_server(oconfig_item_t *ci)
 			user_data_destroy);
 	if (! user_data) {
 		char errbuf[1024];
-		sdb_log(SDB_LOG_ERR, "store::network: Failed to allocate "
-				"a user-data wrapper object: %s",
+		sdb_log(SDB_LOG_ERR, "Failed to allocate a user-data wrapper object: %s",
 				sdb_strerror(errno, errbuf, sizeof(errbuf)));
 		user_data_destroy(ud);
 		return -1;
@@ -326,8 +321,8 @@ store_config(oconfig_item_t *ci)
 		if (! strcasecmp(child->key, "Server"))
 			store_config_server(child);
 		else
-			sdb_log(SDB_LOG_WARNING, "store::network: Ignoring "
-					"unknown config option '%s'.", child->key);
+			sdb_log(SDB_LOG_WARNING, "Ignoring unknown config option '%s'.",
+					child->key);
 	}
 	return 0;
 } /* store_config */
diff --git a/src/plugins/syslog.c b/src/plugins/syslog.c
index 8bf1677..a2a8989 100644
--- a/src/plugins/syslog.c
+++ b/src/plugins/syslog.c
@@ -94,23 +94,21 @@ syslog_config(oconfig_item_t *ci)
 		if (! strcasecmp(child->key, "LogLevel")) {
 			char *level = NULL;
 			if (oconfig_get_string(child, &level)) {
-				sdb_log(SDB_LOG_ERR, "syslog plugin: LogLevel requires "
-						"a single string argument\n\tUsage: Loglevel LEVEL");
+				sdb_log(SDB_LOG_ERR, "LogLevel requires a single string argument\n"
+						"\tUsage: Loglevel LEVEL");
 				return -1;
 			}
 			loglevel = sdb_error_parse_priority(level);
 			if (loglevel < 0) {
 				loglevel = SDB_DEFAULT_LOGLEVEL;
-				sdb_log(SDB_LOG_ERR,
-						"syslog plugin: Invalid loglevel: '%s'", level);
+				sdb_log(SDB_LOG_ERR, "Invalid loglevel: '%s'", level);
 				return -1;
 			}
-			sdb_log(SDB_LOG_INFO, "syslog plugin: Log-level set to %s",
+			sdb_log(SDB_LOG_INFO, "Log-level set to %s",
 					SDB_LOG_PRIO_TO_STRING(loglevel));
 		}
 		else
-			sdb_log(SDB_LOG_WARNING, "syslog plugin: Ignoring unknown config "
-					"option '%s'.", child->key);
+			sdb_log(SDB_LOG_WARNING, "Ignoring unknown config option '%s'.", child->key);
 	}
 	return 0;
 } /* syslog_config */
diff --git a/src/plugins/timeseries/rrdtool.c b/src/plugins/timeseries/rrdtool.c
index 8a3854f..8ab7f69 100644
--- a/src/plugins/timeseries/rrdtool.c
+++ b/src/plugins/timeseries/rrdtool.c
@@ -58,16 +58,14 @@ rrdcached_connect(char *addr)
 	rrd_clear_error();
 	if (! rrdc_is_connected(addr)) {
 		if (rrdc_connect(addr)) {
-			sdb_log(SDB_LOG_ERR, "timeseries::rrdtool: Failed to "
-					"connectd to RRDCacheD at %s: %s",
+			sdb_log(SDB_LOG_ERR, "Failed to connectd to RRDCacheD at %s: %s",
 					addr, rrd_get_error());
 			return 0;
 		}
 	}
 #else
-	sdb_log(SDB_LOG_ERR, "timeseries::rrdtool: Callback called with "
-			"RRDCacheD address but your build of SysDB does not support "
-			"that");
+	sdb_log(SDB_LOG_ERR, "Callback called with RRDCacheD address "
+			"but your build of SysDB does not support that");
 	return 0;
 #endif
 	return 1;
@@ -95,8 +93,7 @@ sdb_rrd_describe(const char *id, sdb_object_t *user_data)
 
 #ifdef HAVE_RRD_CLIENT_H
 		/* TODO: detect and use rrdc_info if possible */
-		sdb_log(SDB_LOG_ERR, "timeseries::rrdtool: DESCRIBE not yet "
-				"supported via RRDCacheD");
+		sdb_log(SDB_LOG_ERR, "DESCRIBE not yet supported via RRDCacheD");
 		return NULL;
 #endif
 	}
@@ -105,15 +102,14 @@ sdb_rrd_describe(const char *id, sdb_object_t *user_data)
 		info = rrd_info_r(filename);
 	}
 	if (! info) {
-		sdb_log(SDB_LOG_ERR, "timeseries::rrdtool: Failed to extract "
-				"header information from '%s': %s", filename,
-				rrd_get_error());
+		sdb_log(SDB_LOG_ERR, "Failed to extract header information from '%s': %s",
+				filename, rrd_get_error());
 		return NULL;
 	}
 
 	ts_info = calloc(1, sizeof(*ts_info));
 	if (! ts_info) {
-		sdb_log(SDB_LOG_ERR, "timeseries::rrdtool: Failed to allocate memory");
+		sdb_log(SDB_LOG_ERR, "Failed to allocate memory");
 		rrd_info_free(info);
 		return NULL;
 	}
@@ -142,7 +138,7 @@ sdb_rrd_describe(const char *id, sdb_object_t *user_data)
 		tmp = realloc(ts_info->data_names,
 				(ts_info->data_names_len + 1) * sizeof(*ts_info->data_names));
 		if (! tmp) {
-			sdb_log(SDB_LOG_ERR, "timeseries::rrdtool: Failed to allocate memory");
+			sdb_log(SDB_LOG_ERR, "Failed to allocate memory");
 			sdb_timeseries_info_destroy(ts_info);
 			rrd_info_free(info);
 			return NULL;
@@ -151,7 +147,7 @@ sdb_rrd_describe(const char *id, sdb_object_t *user_data)
 		ts_info->data_names = tmp;
 		ts_info->data_names[ts_info->data_names_len] = strdup(ds_name);
 		if (! ts_info->data_names[ts_info->data_names_len]) {
-			sdb_log(SDB_LOG_ERR, "timeseries::rrdtool: Failed to allocate memory");
+			sdb_log(SDB_LOG_ERR, "Failed to allocate memory");
 			sdb_timeseries_info_destroy(ts_info);
 			rrd_info_free(info);
 			return NULL;
@@ -188,8 +184,8 @@ sdb_rrd_fetch(const char *id, sdb_timeseries_opts_t *opts,
 
 #ifdef HAVE_RRD_CLIENT_H
 		if (rrdc_flush(id)) {
-			sdb_log(SDB_LOG_ERR, "timeseries::rrdtool: Failed to flush "
-					"'%s' through RRDCacheD: %s", id, rrd_get_error());
+			sdb_log(SDB_LOG_ERR, "Failed to flush '%s' through RRDCacheD: %s",
+					id, rrd_get_error());
 			return NULL;
 		}
 #endif
@@ -212,8 +208,7 @@ sdb_rrd_fetch(const char *id, sdb_timeseries_opts_t *opts,
 				&ds_cnt, &ds_namv, &data)) {
 		char errbuf[1024];
 		sdb_strerror(errno, errbuf, sizeof(errbuf));
-		sdb_log(SDB_LOG_ERR, "rrdtool plugin: Failed to fetch data "
-				"from %s: %s", id, errbuf);
+		sdb_log(SDB_LOG_ERR, "Failed to fetch data from %s: %s", id, errbuf);
 		return NULL;
 	}
 
@@ -223,8 +218,7 @@ sdb_rrd_fetch(const char *id, sdb_timeseries_opts_t *opts,
 	if (! ts) {
 		char errbuf[1024];
 		sdb_strerror(errno, errbuf, sizeof(errbuf));
-		sdb_log(SDB_LOG_ERR, "rrdtool plugin: Failed to allocate "
-				"time-series object: %s", errbuf);
+		sdb_log(SDB_LOG_ERR, "Failed to allocate time-series object: %s", errbuf);
 		FREE_RRD_DATA();
 		return NULL;
 	}
@@ -269,44 +263,39 @@ sdb_rrd_config_rrdcached(oconfig_item_t *ci)
 	char *addr = NULL;
 
 	if (rrdcached_in_use) {
-		sdb_log(SDB_LOG_ERR, "timeseries::rrdtool: RRDCacheD does "
-				"not support multiple connections");
+		sdb_log(SDB_LOG_ERR, "RRDCacheD does not support multiple connections");
 		return -1;
 	}
 
 #ifndef HAVE_RRD_CLIENT_H
-	sdb_log(SDB_LOG_ERR, "timeseries::rrdtool: RRDCacheD client "
-			"support not available in your SysDB build");
+	sdb_log(SDB_LOG_ERR, "RRDCacheD client support not available in your SysDB build");
 	return -1;
 #else
 	if (oconfig_get_string(ci, &addr)) {
-		sdb_log(SDB_LOG_ERR, "timeseries::unixsock: RRDCacheD requires "
-				"a single string argument\n\tUsage <RRDCacheD ADDR>");
+		sdb_log(SDB_LOG_ERR, "RRDCacheD requires a single string argument\n"
+				"\tUsage <RRDCacheD ADDR>");
 		return -1;
 	}
 	if ((*addr != '/') && strncmp(addr, "unix:", strlen("unix:"))) {
 		/* XXX: add (optional) support for rrdc_fetch if available */
-		sdb_log(SDB_LOG_ERR, "timeseries::unixsock: RRDCacheD only "
-				"supports local (UNIX socket) addresses");
+		sdb_log(SDB_LOG_ERR, "RRDCacheD only supports local (UNIX socket) addresses");
 		return -1;
 	}
 
 	addr = strdup(addr);
 	if (! addr) {
 		char errbuf[1024];
-		sdb_log(SDB_LOG_ERR, "timeseries::unixsock: Failed to duplicate "
-				"string: %s", sdb_strerror(errno, errbuf, sizeof(errbuf)));
+		sdb_log(SDB_LOG_ERR, "Failed to duplicate string: %s",
+				sdb_strerror(errno, errbuf, sizeof(errbuf)));
 		return -1;
 	}
 	if (ci->children_num)
-		sdb_log(SDB_LOG_WARNING, "timeseries::unixsock: RRDCacheD does "
-				"not support any child config options");
+		sdb_log(SDB_LOG_WARNING, "RRDCacheD does not support any child config options");
 
 	ud = sdb_object_create_wrapper("rrdcached-addr", addr, free);
 	if (! ud) {
 		char errbuf[1024];
-		sdb_log(SDB_LOG_ERR, "timeseries::unixsock: Failed to create "
-				"user-data object: %s",
+		sdb_log(SDB_LOG_ERR, "Failed to create user-data object: %s",
 				sdb_strerror(errno, errbuf, sizeof(errbuf)));
 		free(addr);
 		return -1;
@@ -336,8 +325,7 @@ sdb_rrd_config(oconfig_item_t *ci)
 		if (! strcasecmp(child->key, "RRDCacheD"))
 			sdb_rrd_config_rrdcached(child);
 		else
-			sdb_log(SDB_LOG_WARNING, "timeseries::rrdtool: Ignoring "
-					"unknown config option '%s'.", child->key);
+			sdb_log(SDB_LOG_WARNING, "Ignoring unknown config option '%s'.", child->key);
 	}
 	return 0;
 } /* sdb_rrd_config */
diff --git a/src/utils/os.c b/src/utils/os.c
index 70142f7..653d88d 100644
--- a/src/utils/os.c
+++ b/src/utils/os.c
@@ -78,7 +78,7 @@ sdb_get_homedir(void)
 
 	if (status || (! result)) {
 		char errbuf[1024];
-		sdb_log(SDB_LOG_WARNING, "os: Failed to determine home directory "
+		sdb_log(SDB_LOG_WARNING, "Failed to determine home directory "
 				"for user %s: %s", username,
 				sdb_strerror(errno, errbuf, sizeof(errbuf)));
 		free(username);
diff --git a/src/utils/ssl.c b/src/utils/ssl.c
index fdb170d..12beac5 100644
--- a/src/utils/ssl.c
+++ b/src/utils/ssl.c
@@ -168,8 +168,7 @@ ssl_log_err(int prio, SSL *ssl, int status, const char *prefix, ...)
 
 	if (errno) {
 		char errbuf[1024];
-		sdb_log(prio, "%s: %s", msg,
-				sdb_strerror(errno, errbuf, sizeof(errbuf)));
+		sdb_log(prio, "%s: %s", msg, sdb_strerror(errno, errbuf, sizeof(errbuf)));
 	}
 } /* ssl_log_err */