aboutsummaryrefslogtreecommitdiffhomepage
path: root/src/core/lib/statistics/census_rpc_stats.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/core/lib/statistics/census_rpc_stats.c')
-rw-r--r--src/core/lib/statistics/census_rpc_stats.c253
1 files changed, 0 insertions, 253 deletions
diff --git a/src/core/lib/statistics/census_rpc_stats.c b/src/core/lib/statistics/census_rpc_stats.c
deleted file mode 100644
index 2182561668..0000000000
--- a/src/core/lib/statistics/census_rpc_stats.c
+++ /dev/null
@@ -1,253 +0,0 @@
-/*
- *
- * Copyright 2015-2016, Google Inc.
- * All rights reserved.
- *
- * 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 Google 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 CONTRIBUTORS
- * "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 <string.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/log.h>
-#include <grpc/support/sync.h>
-#include "src/core/lib/statistics/census_interface.h"
-#include "src/core/lib/statistics/census_rpc_stats.h"
-#include "src/core/lib/statistics/census_tracing.h"
-#include "src/core/lib/statistics/hash_table.h"
-#include "src/core/lib/statistics/window_stats.h"
-#include "src/core/lib/support/murmur_hash.h"
-#include "src/core/lib/support/string.h"
-
-#define NUM_INTERVALS 3
-#define MINUTE_INTERVAL 0
-#define HOUR_INTERVAL 1
-#define TOTAL_INTERVAL 2
-
-/* for easier typing */
-typedef census_per_method_rpc_stats per_method_stats;
-
-/* Ensure mu is only initialized once. */
-static gpr_once g_stats_store_mu_init = GPR_ONCE_INIT;
-/* Guards two stats stores. */
-static gpr_mu g_mu;
-static census_ht *g_client_stats_store = NULL;
-static census_ht *g_server_stats_store = NULL;
-
-static void init_mutex(void) { gpr_mu_init(&g_mu); }
-
-static void init_mutex_once(void) {
- gpr_once_init(&g_stats_store_mu_init, init_mutex);
-}
-
-static int cmp_str_keys(const void *k1, const void *k2) {
- return strcmp((const char *)k1, (const char *)k2);
-}
-
-/* TODO(hongyu): replace it with cityhash64 */
-static uint64_t simple_hash(const void *k) {
- size_t len = strlen(k);
- uint64_t higher = gpr_murmur_hash3((const char *)k, len / 2, 0);
- return higher << 32 |
- gpr_murmur_hash3((const char *)k + len / 2, len - len / 2, 0);
-}
-
-static void delete_stats(void *stats) {
- census_window_stats_destroy((struct census_window_stats *)stats);
-}
-
-static void delete_key(void *key) { gpr_free(key); }
-
-static const census_ht_option ht_opt = {
- CENSUS_HT_POINTER /* key type */, 1999 /* n_of_buckets */,
- simple_hash /* hash function */, cmp_str_keys /* key comparator */,
- delete_stats /* data deleter */, delete_key /* key deleter */
-};
-
-static void init_rpc_stats(void *stats) {
- memset(stats, 0, sizeof(census_rpc_stats));
-}
-
-static void stat_add_proportion(double p, void *base, const void *addme) {
- census_rpc_stats *b = (census_rpc_stats *)base;
- census_rpc_stats *a = (census_rpc_stats *)addme;
- b->cnt += p * a->cnt;
- b->rpc_error_cnt += p * a->rpc_error_cnt;
- b->app_error_cnt += p * a->app_error_cnt;
- b->elapsed_time_ms += p * a->elapsed_time_ms;
- b->api_request_bytes += p * a->api_request_bytes;
- b->wire_request_bytes += p * a->wire_request_bytes;
- b->api_response_bytes += p * a->api_response_bytes;
- b->wire_response_bytes += p * a->wire_response_bytes;
-}
-
-static void stat_add(void *base, const void *addme) {
- stat_add_proportion(1.0, base, addme);
-}
-
-static gpr_timespec min_hour_total_intervals[3] = {
- {60, 0}, {3600, 0}, {36000000, 0}};
-
-static const census_window_stats_stat_info window_stats_settings = {
- sizeof(census_rpc_stats), init_rpc_stats, stat_add, stat_add_proportion};
-
-census_rpc_stats *census_rpc_stats_create_empty(void) {
- census_rpc_stats *ret =
- (census_rpc_stats *)gpr_malloc(sizeof(census_rpc_stats));
- memset(ret, 0, sizeof(census_rpc_stats));
- return ret;
-}
-
-void census_aggregated_rpc_stats_set_empty(census_aggregated_rpc_stats *data) {
- int i = 0;
- for (i = 0; i < data->num_entries; i++) {
- if (data->stats[i].method != NULL) {
- gpr_free((void *)data->stats[i].method);
- }
- }
- if (data->stats != NULL) {
- gpr_free(data->stats);
- }
- data->num_entries = 0;
- data->stats = NULL;
-}
-
-static void record_stats(census_ht *store, census_op_id op_id,
- const census_rpc_stats *stats) {
- gpr_mu_lock(&g_mu);
- if (store != NULL) {
- census_trace_obj *trace = NULL;
- census_internal_lock_trace_store();
- trace = census_get_trace_obj_locked(op_id);
- if (trace != NULL) {
- const char *method_name = census_get_trace_method_name(trace);
- struct census_window_stats *window_stats = NULL;
- census_ht_key key;
- key.ptr = (void *)method_name;
- window_stats = census_ht_find(store, key);
- census_internal_unlock_trace_store();
- if (window_stats == NULL) {
- window_stats = census_window_stats_create(3, min_hour_total_intervals,
- 30, &window_stats_settings);
- key.ptr = gpr_strdup(key.ptr);
- census_ht_insert(store, key, (void *)window_stats);
- }
- census_window_stats_add(window_stats, gpr_now(GPR_CLOCK_REALTIME), stats);
- } else {
- census_internal_unlock_trace_store();
- }
- }
- gpr_mu_unlock(&g_mu);
-}
-
-void census_record_rpc_client_stats(census_op_id op_id,
- const census_rpc_stats *stats) {
- record_stats(g_client_stats_store, op_id, stats);
-}
-
-void census_record_rpc_server_stats(census_op_id op_id,
- const census_rpc_stats *stats) {
- record_stats(g_server_stats_store, op_id, stats);
-}
-
-/* Get stats from input stats store */
-static void get_stats(census_ht *store, census_aggregated_rpc_stats *data) {
- GPR_ASSERT(data != NULL);
- if (data->num_entries != 0) {
- census_aggregated_rpc_stats_set_empty(data);
- }
- gpr_mu_lock(&g_mu);
- if (store != NULL) {
- size_t n;
- unsigned i, j;
- gpr_timespec now = gpr_now(GPR_CLOCK_REALTIME);
- census_ht_kv *kv = census_ht_get_all_elements(store, &n);
- if (kv != NULL) {
- data->num_entries = n;
- data->stats =
- (per_method_stats *)gpr_malloc(sizeof(per_method_stats) * n);
- for (i = 0; i < n; i++) {
- census_window_stats_sums sums[NUM_INTERVALS];
- for (j = 0; j < NUM_INTERVALS; j++) {
- sums[j].statistic = (void *)census_rpc_stats_create_empty();
- }
- data->stats[i].method = gpr_strdup(kv[i].k.ptr);
- census_window_stats_get_sums(kv[i].v, now, sums);
- data->stats[i].minute_stats =
- *(census_rpc_stats *)sums[MINUTE_INTERVAL].statistic;
- data->stats[i].hour_stats =
- *(census_rpc_stats *)sums[HOUR_INTERVAL].statistic;
- data->stats[i].total_stats =
- *(census_rpc_stats *)sums[TOTAL_INTERVAL].statistic;
- for (j = 0; j < NUM_INTERVALS; j++) {
- gpr_free(sums[j].statistic);
- }
- }
- gpr_free(kv);
- }
- }
- gpr_mu_unlock(&g_mu);
-}
-
-void census_get_client_stats(census_aggregated_rpc_stats *data) {
- get_stats(g_client_stats_store, data);
-}
-
-void census_get_server_stats(census_aggregated_rpc_stats *data) {
- get_stats(g_server_stats_store, data);
-}
-
-void census_stats_store_init(void) {
- init_mutex_once();
- gpr_mu_lock(&g_mu);
- if (g_client_stats_store == NULL && g_server_stats_store == NULL) {
- g_client_stats_store = census_ht_create(&ht_opt);
- g_server_stats_store = census_ht_create(&ht_opt);
- } else {
- gpr_log(GPR_ERROR, "Census stats store already initialized.");
- }
- gpr_mu_unlock(&g_mu);
-}
-
-void census_stats_store_shutdown(void) {
- init_mutex_once();
- gpr_mu_lock(&g_mu);
- if (g_client_stats_store != NULL) {
- census_ht_destroy(g_client_stats_store);
- g_client_stats_store = NULL;
- } else {
- gpr_log(GPR_ERROR, "Census server stats store not initialized.");
- }
- if (g_server_stats_store != NULL) {
- census_ht_destroy(g_server_stats_store);
- g_server_stats_store = NULL;
- } else {
- gpr_log(GPR_ERROR, "Census client stats store not initialized.");
- }
- gpr_mu_unlock(&g_mu);
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-06 15:01:20 +0000