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	diff --git a/exec/stats.c b/exec/stats.c
	index d5c1cbcd..d9fd115e 100644
	--- a/exec/stats.c
	+++ b/exec/stats.c
	@@ -1,767 +1,784 @@
	/*
	* Copyright (c) 2017-2020 Red Hat, Inc.
	*
	* All rights reserved.
	*
	* Authors: Christine Caulfield (ccaulfie@redhat.com)
	*
	* This software licensed under BSD license, the text of which follows:
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions are met:
	*
	* - Redistributions of source code must retain the above copyright notice,
	* this list of conditions and the following disclaimer.
	* - Redistributions in binary form must reproduce the above copyright notice,
	* this list of conditions and the following disclaimer in the documentation
	* and/or other materials provided with the distribution.
	* - Neither the name of the MontaVista Software, Inc. nor the names of its
	* contributors may be used to endorse or promote products derived from this
	* software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTIBUTORS "AS IS"
	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	* THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#include <config.h>

	#include <sys/types.h>
	#include <sys/stat.h>
	#include <fcntl.h>
	#include <stdint.h>
	#include <stddef.h>
	#include <unistd.h>
	#include <libknet.h>

	#include <qb/qblist.h>
	#include <qb/qbipcs.h>
	#include <qb/qbipc_common.h>

	#include <corosync/corodefs.h>
	#include <corosync/coroapi.h>
	#include <corosync/logsys.h>
	#include <corosync/icmap.h>
	#include <corosync/totem/totemstats.h>

	#include "util.h"
	#include "ipcs_stats.h"
	#include "stats.h"

	LOGSYS_DECLARE_SUBSYS ("STATS");

	static qb_map_t *stats_map;

	/* Structure of an element in the schedmiss array */
	struct schedmiss_entry {
	uint64_t timestamp;
	float delay;
	};
	#define MAX_SCHEDMISS_EVENTS 10
	static struct schedmiss_entry schedmiss_event[MAX_SCHEDMISS_EVENTS];
	static unsigned int highest_schedmiss_event;

	#define SCHEDMISS_PREFIX "stats.schedmiss"

	/* Convert iterator number to text and a stats pointer */
	struct cs_stats_conv {
	enum {STAT_PG, STAT_SRP, STAT_KNET, STAT_KNET_HANDLE, STAT_IPCSC, STAT_IPCSG, STAT_SCHEDMISS} type;
	const char *name;
	const size_t offset;
	const icmap_value_types_t value_type;
	};

	struct cs_stats_conv cs_pg_stats[] = {
	{ STAT_PG, "msg_queue_avail", offsetof(totempg_stats_t, msg_queue_avail), ICMAP_VALUETYPE_UINT32},
	{ STAT_PG, "msg_reserved", offsetof(totempg_stats_t, msg_reserved), ICMAP_VALUETYPE_UINT32},
	};
	struct cs_stats_conv cs_srp_stats[] = {
	{ STAT_SRP, "orf_token_tx", offsetof(totemsrp_stats_t, orf_token_tx), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "orf_token_rx", offsetof(totemsrp_stats_t, orf_token_rx), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "memb_merge_detect_tx", offsetof(totemsrp_stats_t, memb_merge_detect_tx), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "memb_merge_detect_rx", offsetof(totemsrp_stats_t, memb_merge_detect_rx), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "memb_join_tx", offsetof(totemsrp_stats_t, memb_join_tx), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "memb_join_rx", offsetof(totemsrp_stats_t, memb_join_rx), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "mcast_tx", offsetof(totemsrp_stats_t, mcast_tx), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "mcast_retx", offsetof(totemsrp_stats_t, mcast_retx), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "mcast_rx", offsetof(totemsrp_stats_t, mcast_rx), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "memb_commit_token_tx", offsetof(totemsrp_stats_t, memb_commit_token_tx), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "memb_commit_token_rx", offsetof(totemsrp_stats_t, memb_commit_token_rx), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "token_hold_cancel_tx", offsetof(totemsrp_stats_t, token_hold_cancel_tx), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "token_hold_cancel_rx", offsetof(totemsrp_stats_t, token_hold_cancel_rx), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "operational_entered", offsetof(totemsrp_stats_t, operational_entered), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "operational_token_lost", offsetof(totemsrp_stats_t, operational_token_lost), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "gather_entered", offsetof(totemsrp_stats_t, gather_entered), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "gather_token_lost", offsetof(totemsrp_stats_t, gather_token_lost), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "commit_entered", offsetof(totemsrp_stats_t, commit_entered), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "commit_token_lost", offsetof(totemsrp_stats_t, commit_token_lost), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "recovery_entered", offsetof(totemsrp_stats_t, recovery_entered), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "recovery_token_lost", offsetof(totemsrp_stats_t, recovery_token_lost), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "consensus_timeouts", offsetof(totemsrp_stats_t, consensus_timeouts), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "rx_msg_dropped", offsetof(totemsrp_stats_t, rx_msg_dropped), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "time_since_token_last_received", offsetof(totemsrp_stats_t, time_since_token_last_received), ICMAP_VALUETYPE_UINT64},
	{ STAT_SRP, "continuous_gather", offsetof(totemsrp_stats_t, continuous_gather), ICMAP_VALUETYPE_UINT32},
	{ STAT_SRP, "continuous_sendmsg_failures", offsetof(totemsrp_stats_t, continuous_sendmsg_failures), ICMAP_VALUETYPE_UINT32},
	{ STAT_SRP, "firewall_enabled_or_nic_failure", offsetof(totemsrp_stats_t, firewall_enabled_or_nic_failure), ICMAP_VALUETYPE_UINT8},
	{ STAT_SRP, "mtt_rx_token", offsetof(totemsrp_stats_t, mtt_rx_token), ICMAP_VALUETYPE_UINT32},
	{ STAT_SRP, "avg_token_workload", offsetof(totemsrp_stats_t, avg_token_workload), ICMAP_VALUETYPE_UINT32},
	{ STAT_SRP, "avg_backlog_calc", offsetof(totemsrp_stats_t, avg_backlog_calc), ICMAP_VALUETYPE_UINT32},
	};

	struct cs_stats_conv cs_knet_stats[] = {
	{ STAT_KNET, "enabled", offsetof(struct knet_link_status, enabled), ICMAP_VALUETYPE_UINT8},
	{ STAT_KNET, "connected", offsetof(struct knet_link_status, connected), ICMAP_VALUETYPE_UINT8},
	{ STAT_KNET, "mtu", offsetof(struct knet_link_status, mtu), ICMAP_VALUETYPE_UINT32},
	{ STAT_KNET, "tx_data_packets", offsetof(struct knet_link_status, stats.tx_data_packets), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "rx_data_packets", offsetof(struct knet_link_status, stats.rx_data_packets), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "tx_data_bytes", offsetof(struct knet_link_status, stats.tx_data_bytes), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "rx_data_bytes", offsetof(struct knet_link_status, stats.rx_data_bytes), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "tx_ping_packets", offsetof(struct knet_link_status, stats.tx_ping_packets), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "rx_ping_packets", offsetof(struct knet_link_status, stats.rx_ping_packets), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "tx_ping_bytes", offsetof(struct knet_link_status, stats.tx_ping_bytes), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "rx_ping_bytes", offsetof(struct knet_link_status, stats.rx_ping_bytes), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "tx_pong_packets", offsetof(struct knet_link_status, stats.tx_pong_packets), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "rx_pong_packets", offsetof(struct knet_link_status, stats.rx_pong_packets), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "tx_pong_bytes", offsetof(struct knet_link_status, stats.tx_pong_bytes), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "rx_pong_bytes", offsetof(struct knet_link_status, stats.rx_pong_bytes), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "tx_pmtu_packets", offsetof(struct knet_link_status, stats.tx_pmtu_packets), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "rx_pmtu_packets", offsetof(struct knet_link_status, stats.rx_pmtu_packets), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "tx_pmtu_bytes", offsetof(struct knet_link_status, stats.tx_pmtu_bytes), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "rx_pmtu_bytes", offsetof(struct knet_link_status, stats.rx_pmtu_bytes), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "tx_total_packets", offsetof(struct knet_link_status, stats.tx_total_packets), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "rx_total_packets", offsetof(struct knet_link_status, stats.rx_total_packets), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "tx_total_bytes", offsetof(struct knet_link_status, stats.tx_total_bytes), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "rx_total_bytes", offsetof(struct knet_link_status, stats.rx_total_bytes), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "tx_total_errors", offsetof(struct knet_link_status, stats.tx_total_errors), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "rx_total_retries", offsetof(struct knet_link_status, stats.tx_total_retries), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET, "tx_pmtu_errors", offsetof(struct knet_link_status, stats.tx_pmtu_errors), ICMAP_VALUETYPE_UINT32},
	{ STAT_KNET, "tx_pmtu_retries", offsetof(struct knet_link_status, stats.tx_pmtu_retries), ICMAP_VALUETYPE_UINT32},
	{ STAT_KNET, "tx_ping_errors", offsetof(struct knet_link_status, stats.tx_ping_errors), ICMAP_VALUETYPE_UINT32},
	{ STAT_KNET, "tx_ping_retries", offsetof(struct knet_link_status, stats.tx_ping_retries), ICMAP_VALUETYPE_UINT32},
	{ STAT_KNET, "tx_pong_errors", offsetof(struct knet_link_status, stats.tx_pong_errors), ICMAP_VALUETYPE_UINT32},
	{ STAT_KNET, "tx_pong_retries", offsetof(struct knet_link_status, stats.tx_pong_retries), ICMAP_VALUETYPE_UINT32},
	{ STAT_KNET, "tx_data_errors", offsetof(struct knet_link_status, stats.tx_data_errors), ICMAP_VALUETYPE_UINT32},
	{ STAT_KNET, "tx_data_retries", offsetof(struct knet_link_status, stats.tx_data_retries), ICMAP_VALUETYPE_UINT32},
	{ STAT_KNET, "latency_min", offsetof(struct knet_link_status, stats.latency_min), ICMAP_VALUETYPE_UINT32},
	{ STAT_KNET, "latency_max", offsetof(struct knet_link_status, stats.latency_max), ICMAP_VALUETYPE_UINT32},
	{ STAT_KNET, "latency_ave", offsetof(struct knet_link_status, stats.latency_ave), ICMAP_VALUETYPE_UINT32},
	{ STAT_KNET, "latency_samples", offsetof(struct knet_link_status, stats.latency_samples), ICMAP_VALUETYPE_UINT32},
	{ STAT_KNET, "down_count", offsetof(struct knet_link_status, stats.down_count), ICMAP_VALUETYPE_UINT32},
	{ STAT_KNET, "up_count", offsetof(struct knet_link_status, stats.up_count), ICMAP_VALUETYPE_UINT32},
	};
	struct cs_stats_conv cs_knet_handle_stats[] = {
	{ STAT_KNET_HANDLE, "tx_uncompressed_packets", offsetof(struct knet_handle_stats, tx_uncompressed_packets), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "tx_compressed_packets", offsetof(struct knet_handle_stats, tx_compressed_packets), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "tx_compressed_original_bytes", offsetof(struct knet_handle_stats, tx_compressed_original_bytes), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "tx_compressed_size_bytes", offsetof(struct knet_handle_stats, tx_compressed_size_bytes), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "tx_compress_time_min", offsetof(struct knet_handle_stats, tx_compress_time_min), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "tx_compress_time_max", offsetof(struct knet_handle_stats, tx_compress_time_max), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "tx_compress_time_ave", offsetof(struct knet_handle_stats, tx_compress_time_ave), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "rx_compressed_packets", offsetof(struct knet_handle_stats, rx_compressed_packets), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "rx_compressed_original_bytes", offsetof(struct knet_handle_stats, rx_compressed_original_bytes), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "rx_compressed_size_bytes", offsetof(struct knet_handle_stats, rx_compressed_size_bytes), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "rx_compress_time_min", offsetof(struct knet_handle_stats, rx_compress_time_min), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "rx_compress_time_max", offsetof(struct knet_handle_stats, rx_compress_time_max), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "rx_compress_time_ave", offsetof(struct knet_handle_stats, rx_compress_time_ave), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "tx_crypt_time_min", offsetof(struct knet_handle_stats, tx_crypt_time_min), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "tx_crypt_time_max", offsetof(struct knet_handle_stats, tx_crypt_time_max), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "tx_crypt_time_ave", offsetof(struct knet_handle_stats, tx_crypt_time_ave), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "tx_crypt_byte_overhead", offsetof(struct knet_handle_stats, tx_crypt_byte_overhead), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "tx_crypt_packets", offsetof(struct knet_handle_stats, tx_crypt_packets), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "rx_crypt_time_min", offsetof(struct knet_handle_stats, rx_crypt_time_min), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "rx_crypt_time_max", offsetof(struct knet_handle_stats, rx_crypt_time_max), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "rx_crypt_time_ave", offsetof(struct knet_handle_stats, rx_crypt_time_ave), ICMAP_VALUETYPE_UINT64},
	{ STAT_KNET_HANDLE, "rx_crypt_packets", offsetof(struct knet_handle_stats, rx_crypt_packets), ICMAP_VALUETYPE_UINT64},
	};

	struct cs_stats_conv cs_ipcs_conn_stats[] = {
	{ STAT_IPCSC, "queueing", offsetof(struct ipcs_conn_stats, cnx.queuing), ICMAP_VALUETYPE_INT32},
	{ STAT_IPCSC, "queued", offsetof(struct ipcs_conn_stats, cnx.queued), ICMAP_VALUETYPE_UINT32},
	{ STAT_IPCSC, "invalid_request", offsetof(struct ipcs_conn_stats, cnx.invalid_request), ICMAP_VALUETYPE_UINT64},
	{ STAT_IPCSC, "overload", offsetof(struct ipcs_conn_stats, cnx.overload), ICMAP_VALUETYPE_UINT64},
	{ STAT_IPCSC, "sent", offsetof(struct ipcs_conn_stats, cnx.sent), ICMAP_VALUETYPE_UINT32},
	{ STAT_IPCSC, "procname", offsetof(struct ipcs_conn_stats, cnx.proc_name), ICMAP_VALUETYPE_STRING},
	{ STAT_IPCSC, "requests", offsetof(struct ipcs_conn_stats, conn.requests), ICMAP_VALUETYPE_UINT64},
	{ STAT_IPCSC, "responses", offsetof(struct ipcs_conn_stats, conn.responses), ICMAP_VALUETYPE_UINT64},
	{ STAT_IPCSC, "dispatched", offsetof(struct ipcs_conn_stats, conn.events), ICMAP_VALUETYPE_UINT64},
	{ STAT_IPCSC, "send_retries", offsetof(struct ipcs_conn_stats, conn.send_retries), ICMAP_VALUETYPE_UINT64},
	{ STAT_IPCSC, "recv_retries", offsetof(struct ipcs_conn_stats, conn.recv_retries), ICMAP_VALUETYPE_UINT64},
	{ STAT_IPCSC, "flow_control", offsetof(struct ipcs_conn_stats, conn.flow_control_state), ICMAP_VALUETYPE_UINT32},
	{ STAT_IPCSC, "flow_control_count", offsetof(struct ipcs_conn_stats, conn.flow_control_count), ICMAP_VALUETYPE_UINT64},
	};
	struct cs_stats_conv cs_ipcs_global_stats[] = {
	{ STAT_IPCSG, "global.active", offsetof(struct ipcs_global_stats, active), ICMAP_VALUETYPE_UINT64},
	{ STAT_IPCSG, "global.closed", offsetof(struct ipcs_global_stats, closed), ICMAP_VALUETYPE_UINT64},
	};
	struct cs_stats_conv cs_schedmiss_stats[] = {
	{ STAT_SCHEDMISS, "timestamp", offsetof(struct schedmiss_entry, timestamp), ICMAP_VALUETYPE_UINT64},
	{ STAT_SCHEDMISS, "delay", offsetof(struct schedmiss_entry, delay), ICMAP_VALUETYPE_FLOAT},
	};

	#define NUM_PG_STATS (sizeof(cs_pg_stats) / sizeof(struct cs_stats_conv))
	#define NUM_SRP_STATS (sizeof(cs_srp_stats) / sizeof(struct cs_stats_conv))
	#define NUM_KNET_STATS (sizeof(cs_knet_stats) / sizeof(struct cs_stats_conv))
	#define NUM_KNET_HANDLE_STATS (sizeof(cs_knet_handle_stats) / sizeof(struct cs_stats_conv))
	#define NUM_IPCSC_STATS (sizeof(cs_ipcs_conn_stats) / sizeof(struct cs_stats_conv))
	#define NUM_IPCSG_STATS (sizeof(cs_ipcs_global_stats) / sizeof(struct cs_stats_conv))

	/* What goes in the trie */
	struct stats_item {
	char *key_name;
	struct cs_stats_conv * cs_conv;
	};

	/* One of these per tracker */
	struct cs_stats_tracker
	{
	char *key_name;
	void *user_data;
	int32_t events;
	icmap_notify_fn_t notify_fn;
	uint64_t old_value;
	struct qb_list_head list;
	};
	QB_LIST_DECLARE (stats_tracker_list_head);
	static const struct corosync_api_v1 *api;

	static void stats_map_set_value(struct cs_stats_conv *conv,
	void *stat_array,
	void *value,
	size_t *value_len,
	icmap_value_types_t *type)
	{
	if (value_len) {
	*value_len = icmap_get_valuetype_len(conv->value_type);
	}
	if (type) {
	*type = conv->value_type;
	if ((*type == ICMAP_VALUETYPE_STRING) && value_len && stat_array) {
	value_len = strlen((char )(stat_array) + conv->offset)+1;
	}
	}
	if (value) {
	assert(value_len != NULL);

	memcpy(value, (char )(stat_array) + conv->offset, value_len);
	}
	}

	static void stats_add_entry(const char key, struct cs_stats_conv cs_conv)
	{
	struct stats_item *item = malloc(sizeof(struct stats_item));

	if (item) {
	item->cs_conv = cs_conv;
	item->key_name = strdup(key);
	qb_map_put(stats_map, item->key_name, item);
	}
	}
	static void stats_rm_entry(const char *key)
	{
	struct stats_item *item = qb_map_get(stats_map, key);

	if (item) {
	qb_map_rm(stats_map, item->key_name);
	+ /* Structures freed in callback below */
	+ }
	+}
	+
	+static void stats_map_free_cb(uint32_t event,
	+ char* key, void* old_value,
	+ void* value, void* user_data)
	+{
	+ struct stats_item item = (struct stats_item )old_value;
	+
	+ if (item) {
	free(item->key_name);
	free(item);
	}
	}

	cs_error_t stats_map_init(const struct corosync_api_v1 *corosync_api)
	{
	int i;
	char param[ICMAP_KEYNAME_MAXLEN];
	+ int32_t err;

	api = corosync_api;

	stats_map = qb_trie_create();
	if (!stats_map) {
	return CS_ERR_INIT;
	}

	/* Populate the static portions of the trie */
	for (i = 0; i<NUM_PG_STATS; i++) {
	sprintf(param, "stats.pg.%s", cs_pg_stats[i].name);
	stats_add_entry(param, &cs_pg_stats[i]);
	}
	for (i = 0; i<NUM_SRP_STATS; i++) {
	sprintf(param, "stats.srp.%s", cs_srp_stats[i].name);
	stats_add_entry(param, &cs_srp_stats[i]);
	}
	for (i = 0; i<NUM_IPCSG_STATS; i++) {
	sprintf(param, "stats.ipcs.%s", cs_ipcs_global_stats[i].name);
	stats_add_entry(param, &cs_ipcs_global_stats[i]);
	}

	/* KNET, IPCS & SCHEDMISS stats are added when appropriate */
	- return CS_OK;
	+
	+
	+ /* Call us when we can free things */
	+ err = qb_map_notify_add(stats_map, NULL, stats_map_free_cb, QB_MAP_NOTIFY_FREE, NULL);
	+
	+ return (qb_to_cs_error(err));
	}

	cs_error_t stats_map_get(const char *key_name,
	void *value,
	size_t *value_len,
	icmap_value_types_t *type)
	{
	struct cs_stats_conv *statinfo;
	struct stats_item *item;
	totempg_stats_t *pg_stats;
	struct knet_link_status link_status;
	struct ipcs_conn_stats ipcs_conn_stats;
	struct ipcs_global_stats ipcs_global_stats;
	struct knet_handle_stats knet_handle_stats;
	int res;
	int nodeid;
	int link_no;
	int service_id;
	uint32_t pid;
	unsigned int sm_event;
	char *sm_type;
	void *conn_ptr;

	item = qb_map_get(stats_map, key_name);
	if (!item) {
	return CS_ERR_NOT_EXIST;
	}

	statinfo = item->cs_conv;
	switch (statinfo->type) {
	case STAT_PG:
	pg_stats = api->totem_get_stats();
	stats_map_set_value(statinfo, pg_stats, value, value_len, type);
	break;
	case STAT_SRP:
	pg_stats = api->totem_get_stats();
	stats_map_set_value(statinfo, pg_stats->srp, value, value_len, type);
	break;
	case STAT_KNET_HANDLE:
	res = totemknet_handle_get_stats(&knet_handle_stats);
	if (res != CS_OK) {
	return res;
	}
	stats_map_set_value(statinfo, &knet_handle_stats, value, value_len, type);
	break;
	case STAT_KNET:
	if (sscanf(key_name, "stats.knet.node%d.link%d", &nodeid, &link_no) != 2) {
	return CS_ERR_NOT_EXIST;
	}

	/* Validate node & link IDs */
	if (nodeid <= 0 \|\| nodeid > KNET_MAX_HOST \|\|
	link_no < 0 \|\| link_no > KNET_MAX_LINK) {
	return CS_ERR_NOT_EXIST;
	}

	/* Always get the latest stats */
	res = totemknet_link_get_status((knet_node_id_t)nodeid, (uint8_t)link_no, &link_status);
	if (res != CS_OK) {
	return CS_ERR_LIBRARY;
	}
	stats_map_set_value(statinfo, &link_status, value, value_len, type);
	break;
	case STAT_IPCSC:
	if (sscanf(key_name, "stats.ipcs.service%d.%d.%p", &service_id, &pid, &conn_ptr) != 3) {
	return CS_ERR_NOT_EXIST;
	}
	res = cs_ipcs_get_conn_stats(service_id, pid, conn_ptr, &ipcs_conn_stats);
	if (res != CS_OK) {
	return res;
	}
	stats_map_set_value(statinfo, &ipcs_conn_stats, value, value_len, type);
	break;
	case STAT_IPCSG:
	cs_ipcs_get_global_stats(&ipcs_global_stats);
	stats_map_set_value(statinfo, &ipcs_global_stats, value, value_len, type);
	break;
	case STAT_SCHEDMISS:
	if (sscanf(key_name, SCHEDMISS_PREFIX ".%d", &sm_event) != 1) {
	return CS_ERR_NOT_EXIST;
	}

	sm_type = strrchr(key_name, '.');
	if (sm_type == NULL) {
	return CS_ERR_NOT_EXIST;
	}
	sm_type++;

	if (strcmp(sm_type, "timestamp") == 0) {
	memcpy(value, &schedmiss_event[sm_event].timestamp, sizeof(uint64_t));
	*value_len = sizeof(uint64_t);
	*type = ICMAP_VALUETYPE_UINT64;
	}
	if (strcmp(sm_type, "delay") == 0) {
	memcpy(value, &schedmiss_event[sm_event].delay, sizeof(float));
	*value_len = sizeof(float);
	*type = ICMAP_VALUETYPE_FLOAT;
	}
	break;
	default:
	return CS_ERR_LIBRARY;
	}
	return CS_OK;
	}

	static void schedmiss_clear_stats(void)
	{
	int i;
	char param[ICMAP_KEYNAME_MAXLEN];

	for (i=0; i<MAX_SCHEDMISS_EVENTS; i++) {
	if (i < highest_schedmiss_event) {
	sprintf(param, SCHEDMISS_PREFIX ".%i.timestamp", i);
	stats_rm_entry(param);
	sprintf(param, SCHEDMISS_PREFIX ".%i.delay", i);
	stats_rm_entry(param);
	}
	schedmiss_event[i].timestamp = (uint64_t)0LL;
	schedmiss_event[i].delay = 0.0f;
	}
	highest_schedmiss_event = 0;
	}

	/* Called from main.c */
	void stats_add_schedmiss_event(uint64_t timestamp, float delay)
	{
	char param[ICMAP_KEYNAME_MAXLEN];
	int i;

	/* Move 'em all up */
	for (i=MAX_SCHEDMISS_EVENTS-2; i>=0; i--) {
	schedmiss_event[i+1].timestamp = schedmiss_event[i].timestamp;
	schedmiss_event[i+1].delay = schedmiss_event[i].delay;
	}

	/* New entries are always at the front */
	schedmiss_event[0].timestamp = timestamp;
	schedmiss_event[0].delay = delay;

	/* If we've not run off the end then add an entry in the trie for the new 'end' one */
	if (highest_schedmiss_event < MAX_SCHEDMISS_EVENTS) {
	sprintf(param, SCHEDMISS_PREFIX ".%i.timestamp", highest_schedmiss_event);
	stats_add_entry(param, &cs_schedmiss_stats[0]);
	sprintf(param, SCHEDMISS_PREFIX ".%i.delay", highest_schedmiss_event);
	stats_add_entry(param, &cs_schedmiss_stats[1]);
	highest_schedmiss_event++;
	}
	/* Notifications get sent by the stats_updater */
	}

	#define STATS_CLEAR "stats.clear."
	#define STATS_CLEAR_KNET "stats.clear.knet"
	#define STATS_CLEAR_IPC "stats.clear.ipc"
	#define STATS_CLEAR_TOTEM "stats.clear.totem"
	#define STATS_CLEAR_ALL "stats.clear.all"
	#define STATS_CLEAR_SCHEDMISS "stats.clear.schedmiss"

	cs_error_t stats_map_set(const char *key_name,
	const void *value,
	size_t value_len,
	icmap_value_types_t type)
	{
	int cleared = 0;

	if (strncmp(key_name, STATS_CLEAR_KNET, strlen(STATS_CLEAR_KNET)) == 0) {
	totempg_stats_clear(TOTEMPG_STATS_CLEAR_TRANSPORT);
	cleared = 1;
	}
	if (strncmp(key_name, STATS_CLEAR_IPC, strlen(STATS_CLEAR_IPC)) == 0) {
	cs_ipcs_clear_stats();
	cleared = 1;
	}
	if (strncmp(key_name, STATS_CLEAR_TOTEM, strlen(STATS_CLEAR_TOTEM)) == 0) {
	totempg_stats_clear(TOTEMPG_STATS_CLEAR_TOTEM);
	cleared = 1;
	}
	if (strncmp(key_name, STATS_CLEAR_SCHEDMISS, strlen(STATS_CLEAR_SCHEDMISS)) == 0) {
	schedmiss_clear_stats();
	cleared = 1;
	}
	if (strncmp(key_name, STATS_CLEAR_ALL, strlen(STATS_CLEAR_ALL)) == 0) {
	totempg_stats_clear(TOTEMPG_STATS_CLEAR_TRANSPORT \| TOTEMPG_STATS_CLEAR_TOTEM);
	cs_ipcs_clear_stats();
	schedmiss_clear_stats();
	cleared = 1;
	}
	if (!cleared) {
	return CS_ERR_NOT_SUPPORTED;
	}
	return CS_OK;
	}

	cs_error_t stats_map_adjust_int(const char *key_name, int32_t step)
	{
	return CS_ERR_NOT_SUPPORTED;
	}

	cs_error_t stats_map_delete(const char *key_name)
	{
	return CS_ERR_NOT_SUPPORTED;
	}

	int stats_map_is_key_ro(const char *key_name)
	{
	/* It's all read-only apart from the 'clear' destinations */
	if (strncmp(key_name, STATS_CLEAR, strlen(STATS_CLEAR)) == 0) {
	return 0;
	} else {
	return 1;
	}
	}

	icmap_iter_t stats_map_iter_init(const char *prefix)
	{
	return (qb_map_pref_iter_create(stats_map, prefix));
	}


	const char stats_map_iter_next(icmap_iter_t iter, size_t value_len, icmap_value_types_t *type)
	{
	const char *res;
	struct stats_item *item;

	res = qb_map_iter_next(iter, (void **)&item);
	if (res == NULL) {
	return (res);
	}
	stats_map_set_value(item->cs_conv, NULL, NULL, value_len, type);

	return res;
	}

	void stats_map_iter_finalize(icmap_iter_t iter)
	{
	qb_map_iter_free(iter);
	}


	void stats_trigger_trackers()
	{
	struct cs_stats_tracker *tracker;
	struct qb_list_head *iter;
	cs_error_t res;
	size_t value_len;
	icmap_value_types_t type;
	uint64_t value;
	struct icmap_notify_value new_val;
	struct icmap_notify_value old_val;

	qb_list_for_each(iter, &stats_tracker_list_head) {

	tracker = qb_list_entry(iter, struct cs_stats_tracker, list);
	if (tracker->events & ICMAP_TRACK_PREFIX \|\| !tracker->key_name ) {
	continue;
	}

	res = stats_map_get(tracker->key_name,
	&value, &value_len, &type);

	/* Check if it has changed */
	if ((res == CS_OK) && (memcmp(&value, &tracker->old_value, value_len) != 0)) {

	old_val.type = new_val.type = type;
	old_val.len = new_val.len = value_len;
	old_val.data = new_val.data = &value;

	tracker->notify_fn(ICMAP_TRACK_MODIFY, tracker->key_name,
	old_val, new_val, tracker->user_data);

	memcpy(&tracker->old_value, &value, value_len);
	}
	}
	}


	/* Callback from libqb when a key is added/removed */
	static void stats_map_notify_fn(uint32_t event, char key, void old_value, void value, void user_data)
	{
	struct cs_stats_tracker *tracker = user_data;
	struct icmap_notify_value new_val;
	struct icmap_notify_value old_val;
	char new_value[64];

	if (value == NULL && old_value == NULL) {
	return ;
	}

	/* Ignore schedmiss trackers as the values are read from the circular buffer */
	if (strncmp(key, SCHEDMISS_PREFIX, strlen(SCHEDMISS_PREFIX)) == 0 ) {
	return ;
	}

	new_val.data = new_value;
	if (stats_map_get(key,
	&new_value,
	&new_val.len,
	&new_val.type) != CS_OK) {
	log_printf(LOGSYS_LEVEL_WARNING, "get value of notified key %s failed", key);
	return ;
	}

	/* We don't know what the old value was
	but as this only tracks ADD & DELETE I'm not worried
	about it */
	memcpy(&old_val, &new_val, sizeof(new_val));

	tracker->notify_fn(icmap_qbtt_to_tt(event),
	key,
	new_val,
	old_val,
	tracker->user_data);

	}

	cs_error_t stats_map_track_add(const char *key_name,
	int32_t track_type,
	icmap_notify_fn_t notify_fn,
	void *user_data,
	icmap_track_t *icmap_track)
	{
	struct cs_stats_tracker *tracker;
	size_t value_len;
	icmap_value_types_t type;
	cs_error_t err;

	/* We can track adding or deleting a key under a prefix */
	if ((track_type & ICMAP_TRACK_PREFIX) &&
	(!(track_type & ICMAP_TRACK_DELETE) \|\|
	!(track_type & ICMAP_TRACK_ADD))) {
	return CS_ERR_NOT_SUPPORTED;
	}

	tracker = malloc(sizeof(struct cs_stats_tracker));
	if (!tracker) {
	return CS_ERR_NO_MEMORY;
	}

	tracker->notify_fn = notify_fn;
	tracker->user_data = user_data;
	tracker->events = track_type;
	if (key_name) {
	tracker->key_name = strdup(key_name);
	if (!tracker->key_name) {
	free(tracker);
	return CS_ERR_NO_MEMORY;
	}
	/* Get initial value */
	if (stats_map_get(tracker->key_name,
	&tracker->old_value, &value_len, &type) != CS_OK) {
	tracker->old_value = 0ULL;
	}
	} else {
	tracker->key_name = NULL;
	tracker->old_value = 0ULL;
	}

	/* Add/delete trackers can use the qb_map tracking */
	if ((track_type & ICMAP_TRACK_ADD) \|\|
	(track_type & ICMAP_TRACK_DELETE)) {
	err = qb_map_notify_add(stats_map, tracker->key_name,
	stats_map_notify_fn,
	icmap_tt_to_qbtt(track_type),
	tracker);
	if (err != 0) {
	log_printf(LOGSYS_LEVEL_ERROR, "creating stats tracker %s failed. %d\n", tracker->key_name, err);
	free(tracker->key_name);
	free(tracker);
	return (qb_to_cs_error(err));
	}
	}

	qb_list_add (&tracker->list, &stats_tracker_list_head);

	*icmap_track = (icmap_track_t)tracker;
	return CS_OK;
	}

	cs_error_t stats_map_track_delete(icmap_track_t icmap_track)
	{
	struct cs_stats_tracker tracker = (struct cs_stats_tracker )icmap_track;
	int err;

	if ((tracker->events & ICMAP_TRACK_ADD) \|\|
	(tracker->events & ICMAP_TRACK_DELETE)) {
	err = qb_map_notify_del_2(stats_map,
	tracker->key_name, stats_map_notify_fn,
	icmap_tt_to_qbtt(tracker->events), tracker);
	if (err) {
	log_printf(LOGSYS_LEVEL_ERROR, "deleting tracker %s failed. %d\n", tracker->key_name, err);
	}
	}

	qb_list_del(&tracker->list);
	free(tracker->key_name);
	free(tracker);

	return CS_OK;
	}

	void *stats_map_track_get_user_data(icmap_track_t icmap_track)
	{
	struct cs_stats_tracker tracker = (struct cs_stats_tracker )icmap_track;

	return tracker->user_data;
	}

	/* Called from totemknet to add/remove keys from our map */
	void stats_knet_add_member(knet_node_id_t nodeid, uint8_t link_no)
	{
	int i;
	char param[ICMAP_KEYNAME_MAXLEN];

	for (i = 0; i<NUM_KNET_STATS; i++) {
	sprintf(param, "stats.knet.node%d.link%d.%s", nodeid, link_no, cs_knet_stats[i].name);
	stats_add_entry(param, &cs_knet_stats[i]);
	}
	}
	void stats_knet_del_member(knet_node_id_t nodeid, uint8_t link_no)
	{
	int i;
	char param[ICMAP_KEYNAME_MAXLEN];

	for (i = 0; i<NUM_KNET_STATS; i++) {
	sprintf(param, "stats.knet.node%d.link%d.%s", nodeid, link_no, cs_knet_stats[i].name);
	stats_rm_entry(param);
	}
	}

	/* This is separated out from stats_map_init() because we don't know whether
	knet is in use until much later in the startup */
	void stats_knet_add_handle(void)
	{
	int i;
	char param[ICMAP_KEYNAME_MAXLEN];

	for (i = 0; i<NUM_KNET_HANDLE_STATS; i++) {
	sprintf(param, "stats.knet.handle.%s", cs_knet_handle_stats[i].name);
	stats_add_entry(param, &cs_knet_handle_stats[i]);
	}
	}

	/* Called from ipc_glue to add/remove keys from our map */
	void stats_ipcs_add_connection(int service_id, uint32_t pid, void *ptr)
	{
	int i;
	char param[ICMAP_KEYNAME_MAXLEN];

	for (i = 0; i<NUM_IPCSC_STATS; i++) {
	sprintf(param, "stats.ipcs.service%d.%d.%p.%s", service_id, pid, ptr, cs_ipcs_conn_stats[i].name);
	stats_add_entry(param, &cs_ipcs_conn_stats[i]);
	}
	}
	void stats_ipcs_del_connection(int service_id, uint32_t pid, void *ptr)
	{
	int i;
	char param[ICMAP_KEYNAME_MAXLEN];

	for (i = 0; i<NUM_IPCSC_STATS; i++) {
	sprintf(param, "stats.ipcs.service%d.%d.%p.%s", service_id, pid, ptr, cs_ipcs_conn_stats[i].name);
	stats_rm_entry(param);
	}
	}

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