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-rw-r--r--exec/stats.c784
1 files changed, 784 insertions, 0 deletions
diff --git a/exec/stats.c b/exec/stats.c
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--- /dev/null
+++ b/exec/stats.c
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+/*
+ * 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 */
+
+
+ /* 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);
+ }
+}