mirror of
https://github.com/monero-project/monero.git
synced 2024-12-15 12:56:33 +02:00
322 lines
11 KiB
C
322 lines
11 KiB
C
/*
|
|
* daemon/stats.c - collect runtime performance indicators.
|
|
*
|
|
* Copyright (c) 2007, NLnet Labs. All rights reserved.
|
|
*
|
|
* This software is open source.
|
|
*
|
|
* 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 NLNET LABS 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
|
|
* HOLDER 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.
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
*
|
|
* This file describes the data structure used to collect runtime performance
|
|
* numbers. These 'statistics' may be of interest to the operator.
|
|
*/
|
|
#include "config.h"
|
|
#ifdef HAVE_TIME_H
|
|
#include <time.h>
|
|
#endif
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
#include "daemon/stats.h"
|
|
#include "daemon/worker.h"
|
|
#include "daemon/daemon.h"
|
|
#include "services/mesh.h"
|
|
#include "services/outside_network.h"
|
|
#include "util/config_file.h"
|
|
#include "util/tube.h"
|
|
#include "util/timehist.h"
|
|
#include "util/net_help.h"
|
|
#include "validator/validator.h"
|
|
#include "ldns/sbuffer.h"
|
|
#include "services/cache/rrset.h"
|
|
#include "services/cache/infra.h"
|
|
#include "validator/val_kcache.h"
|
|
|
|
/** add timers and the values do not overflow or become negative */
|
|
static void
|
|
timeval_add(struct timeval* d, const struct timeval* add)
|
|
{
|
|
#ifndef S_SPLINT_S
|
|
d->tv_sec += add->tv_sec;
|
|
d->tv_usec += add->tv_usec;
|
|
if(d->tv_usec > 1000000) {
|
|
d->tv_usec -= 1000000;
|
|
d->tv_sec++;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void server_stats_init(struct server_stats* stats, struct config_file* cfg)
|
|
{
|
|
memset(stats, 0, sizeof(*stats));
|
|
stats->extended = cfg->stat_extended;
|
|
}
|
|
|
|
void server_stats_querymiss(struct server_stats* stats, struct worker* worker)
|
|
{
|
|
stats->num_queries_missed_cache++;
|
|
stats->sum_query_list_size += worker->env.mesh->all.count;
|
|
if(worker->env.mesh->all.count > stats->max_query_list_size)
|
|
stats->max_query_list_size = worker->env.mesh->all.count;
|
|
}
|
|
|
|
void server_stats_prefetch(struct server_stats* stats, struct worker* worker)
|
|
{
|
|
stats->num_queries_prefetch++;
|
|
/* changes the query list size so account that, like a querymiss */
|
|
stats->sum_query_list_size += worker->env.mesh->all.count;
|
|
if(worker->env.mesh->all.count > stats->max_query_list_size)
|
|
stats->max_query_list_size = worker->env.mesh->all.count;
|
|
}
|
|
|
|
void server_stats_log(struct server_stats* stats, struct worker* worker,
|
|
int threadnum)
|
|
{
|
|
log_info("server stats for thread %d: %u queries, "
|
|
"%u answers from cache, %u recursions, %u prefetch",
|
|
threadnum, (unsigned)stats->num_queries,
|
|
(unsigned)(stats->num_queries -
|
|
stats->num_queries_missed_cache),
|
|
(unsigned)stats->num_queries_missed_cache,
|
|
(unsigned)stats->num_queries_prefetch);
|
|
log_info("server stats for thread %d: requestlist max %u avg %g "
|
|
"exceeded %u jostled %u", threadnum,
|
|
(unsigned)stats->max_query_list_size,
|
|
(stats->num_queries_missed_cache+stats->num_queries_prefetch)?
|
|
(double)stats->sum_query_list_size/
|
|
(stats->num_queries_missed_cache+
|
|
stats->num_queries_prefetch) : 0.0,
|
|
(unsigned)worker->env.mesh->stats_dropped,
|
|
(unsigned)worker->env.mesh->stats_jostled);
|
|
}
|
|
|
|
/** get rrsets bogus number from validator */
|
|
static size_t
|
|
get_rrset_bogus(struct worker* worker)
|
|
{
|
|
int m = modstack_find(&worker->env.mesh->mods, "validator");
|
|
struct val_env* ve;
|
|
size_t r;
|
|
if(m == -1)
|
|
return 0;
|
|
ve = (struct val_env*)worker->env.modinfo[m];
|
|
lock_basic_lock(&ve->bogus_lock);
|
|
r = ve->num_rrset_bogus;
|
|
if(!worker->env.cfg->stat_cumulative)
|
|
ve->num_rrset_bogus = 0;
|
|
lock_basic_unlock(&ve->bogus_lock);
|
|
return r;
|
|
}
|
|
|
|
void
|
|
server_stats_compile(struct worker* worker, struct stats_info* s, int reset)
|
|
{
|
|
int i;
|
|
|
|
s->svr = worker->stats;
|
|
s->mesh_num_states = worker->env.mesh->all.count;
|
|
s->mesh_num_reply_states = worker->env.mesh->num_reply_states;
|
|
s->mesh_jostled = worker->env.mesh->stats_jostled;
|
|
s->mesh_dropped = worker->env.mesh->stats_dropped;
|
|
s->mesh_replies_sent = worker->env.mesh->replies_sent;
|
|
s->mesh_replies_sum_wait = worker->env.mesh->replies_sum_wait;
|
|
s->mesh_time_median = timehist_quartile(worker->env.mesh->histogram,
|
|
0.50);
|
|
|
|
/* add in the values from the mesh */
|
|
s->svr.ans_secure += worker->env.mesh->ans_secure;
|
|
s->svr.ans_bogus += worker->env.mesh->ans_bogus;
|
|
s->svr.ans_rcode_nodata += worker->env.mesh->ans_nodata;
|
|
for(i=0; i<16; i++)
|
|
s->svr.ans_rcode[i] += worker->env.mesh->ans_rcode[i];
|
|
timehist_export(worker->env.mesh->histogram, s->svr.hist,
|
|
NUM_BUCKETS_HIST);
|
|
/* values from outside network */
|
|
s->svr.unwanted_replies = worker->back->unwanted_replies;
|
|
s->svr.qtcp_outgoing = worker->back->num_tcp_outgoing;
|
|
|
|
/* get and reset validator rrset bogus number */
|
|
s->svr.rrset_bogus = get_rrset_bogus(worker);
|
|
|
|
/* get cache sizes */
|
|
s->svr.msg_cache_count = count_slabhash_entries(worker->env.msg_cache);
|
|
s->svr.rrset_cache_count = count_slabhash_entries(&worker->env.rrset_cache->table);
|
|
s->svr.infra_cache_count = count_slabhash_entries(worker->env.infra_cache->hosts);
|
|
if(worker->env.key_cache)
|
|
s->svr.key_cache_count = count_slabhash_entries(worker->env.key_cache->slab);
|
|
else s->svr.key_cache_count = 0;
|
|
|
|
if(reset && !worker->env.cfg->stat_cumulative) {
|
|
worker_stats_clear(worker);
|
|
}
|
|
}
|
|
|
|
void server_stats_obtain(struct worker* worker, struct worker* who,
|
|
struct stats_info* s, int reset)
|
|
{
|
|
uint8_t *reply = NULL;
|
|
uint32_t len = 0;
|
|
if(worker == who) {
|
|
/* just fill it in */
|
|
server_stats_compile(worker, s, reset);
|
|
return;
|
|
}
|
|
/* communicate over tube */
|
|
verbose(VERB_ALGO, "write stats cmd");
|
|
if(reset)
|
|
worker_send_cmd(who, worker_cmd_stats);
|
|
else worker_send_cmd(who, worker_cmd_stats_noreset);
|
|
verbose(VERB_ALGO, "wait for stats reply");
|
|
if(!tube_read_msg(worker->cmd, &reply, &len, 0))
|
|
fatal_exit("failed to read stats over cmd channel");
|
|
if(len != (uint32_t)sizeof(*s))
|
|
fatal_exit("stats on cmd channel wrong length %d %d",
|
|
(int)len, (int)sizeof(*s));
|
|
memcpy(s, reply, (size_t)len);
|
|
free(reply);
|
|
}
|
|
|
|
void server_stats_reply(struct worker* worker, int reset)
|
|
{
|
|
struct stats_info s;
|
|
server_stats_compile(worker, &s, reset);
|
|
verbose(VERB_ALGO, "write stats replymsg");
|
|
if(!tube_write_msg(worker->daemon->workers[0]->cmd,
|
|
(uint8_t*)&s, sizeof(s), 0))
|
|
fatal_exit("could not write stat values over cmd channel");
|
|
}
|
|
|
|
void server_stats_add(struct stats_info* total, struct stats_info* a)
|
|
{
|
|
total->svr.num_queries += a->svr.num_queries;
|
|
total->svr.num_queries_missed_cache += a->svr.num_queries_missed_cache;
|
|
total->svr.num_queries_prefetch += a->svr.num_queries_prefetch;
|
|
total->svr.sum_query_list_size += a->svr.sum_query_list_size;
|
|
/* the max size reached is upped to higher of both */
|
|
if(a->svr.max_query_list_size > total->svr.max_query_list_size)
|
|
total->svr.max_query_list_size = a->svr.max_query_list_size;
|
|
|
|
if(a->svr.extended) {
|
|
int i;
|
|
total->svr.qtype_big += a->svr.qtype_big;
|
|
total->svr.qclass_big += a->svr.qclass_big;
|
|
total->svr.qtcp += a->svr.qtcp;
|
|
total->svr.qtcp_outgoing += a->svr.qtcp_outgoing;
|
|
total->svr.qipv6 += a->svr.qipv6;
|
|
total->svr.qbit_QR += a->svr.qbit_QR;
|
|
total->svr.qbit_AA += a->svr.qbit_AA;
|
|
total->svr.qbit_TC += a->svr.qbit_TC;
|
|
total->svr.qbit_RD += a->svr.qbit_RD;
|
|
total->svr.qbit_RA += a->svr.qbit_RA;
|
|
total->svr.qbit_Z += a->svr.qbit_Z;
|
|
total->svr.qbit_AD += a->svr.qbit_AD;
|
|
total->svr.qbit_CD += a->svr.qbit_CD;
|
|
total->svr.qEDNS += a->svr.qEDNS;
|
|
total->svr.qEDNS_DO += a->svr.qEDNS_DO;
|
|
total->svr.ans_rcode_nodata += a->svr.ans_rcode_nodata;
|
|
total->svr.ans_secure += a->svr.ans_secure;
|
|
total->svr.ans_bogus += a->svr.ans_bogus;
|
|
total->svr.rrset_bogus += a->svr.rrset_bogus;
|
|
total->svr.unwanted_replies += a->svr.unwanted_replies;
|
|
total->svr.unwanted_queries += a->svr.unwanted_queries;
|
|
for(i=0; i<STATS_QTYPE_NUM; i++)
|
|
total->svr.qtype[i] += a->svr.qtype[i];
|
|
for(i=0; i<STATS_QCLASS_NUM; i++)
|
|
total->svr.qclass[i] += a->svr.qclass[i];
|
|
for(i=0; i<STATS_OPCODE_NUM; i++)
|
|
total->svr.qopcode[i] += a->svr.qopcode[i];
|
|
for(i=0; i<STATS_RCODE_NUM; i++)
|
|
total->svr.ans_rcode[i] += a->svr.ans_rcode[i];
|
|
for(i=0; i<NUM_BUCKETS_HIST; i++)
|
|
total->svr.hist[i] += a->svr.hist[i];
|
|
}
|
|
|
|
total->mesh_num_states += a->mesh_num_states;
|
|
total->mesh_num_reply_states += a->mesh_num_reply_states;
|
|
total->mesh_jostled += a->mesh_jostled;
|
|
total->mesh_dropped += a->mesh_dropped;
|
|
total->mesh_replies_sent += a->mesh_replies_sent;
|
|
timeval_add(&total->mesh_replies_sum_wait, &a->mesh_replies_sum_wait);
|
|
/* the medians are averaged together, this is not as accurate as
|
|
* taking the median over all of the data, but is good and fast
|
|
* added up here, division later*/
|
|
total->mesh_time_median += a->mesh_time_median;
|
|
}
|
|
|
|
void server_stats_insquery(struct server_stats* stats, struct comm_point* c,
|
|
uint16_t qtype, uint16_t qclass, struct edns_data* edns,
|
|
struct comm_reply* repinfo)
|
|
{
|
|
uint16_t flags = sldns_buffer_read_u16_at(c->buffer, 2);
|
|
if(qtype < STATS_QTYPE_NUM)
|
|
stats->qtype[qtype]++;
|
|
else stats->qtype_big++;
|
|
if(qclass < STATS_QCLASS_NUM)
|
|
stats->qclass[qclass]++;
|
|
else stats->qclass_big++;
|
|
stats->qopcode[ LDNS_OPCODE_WIRE(sldns_buffer_begin(c->buffer)) ]++;
|
|
if(c->type != comm_udp)
|
|
stats->qtcp++;
|
|
if(repinfo && addr_is_ip6(&repinfo->addr, repinfo->addrlen))
|
|
stats->qipv6++;
|
|
if( (flags&BIT_QR) )
|
|
stats->qbit_QR++;
|
|
if( (flags&BIT_AA) )
|
|
stats->qbit_AA++;
|
|
if( (flags&BIT_TC) )
|
|
stats->qbit_TC++;
|
|
if( (flags&BIT_RD) )
|
|
stats->qbit_RD++;
|
|
if( (flags&BIT_RA) )
|
|
stats->qbit_RA++;
|
|
if( (flags&BIT_Z) )
|
|
stats->qbit_Z++;
|
|
if( (flags&BIT_AD) )
|
|
stats->qbit_AD++;
|
|
if( (flags&BIT_CD) )
|
|
stats->qbit_CD++;
|
|
if(edns->edns_present) {
|
|
stats->qEDNS++;
|
|
if( (edns->bits & EDNS_DO) )
|
|
stats->qEDNS_DO++;
|
|
}
|
|
}
|
|
|
|
void server_stats_insrcode(struct server_stats* stats, sldns_buffer* buf)
|
|
{
|
|
if(stats->extended && sldns_buffer_limit(buf) != 0) {
|
|
int r = (int)LDNS_RCODE_WIRE( sldns_buffer_begin(buf) );
|
|
stats->ans_rcode[r] ++;
|
|
if(r == 0 && LDNS_ANCOUNT( sldns_buffer_begin(buf) ) == 0)
|
|
stats->ans_rcode_nodata ++;
|
|
}
|
|
}
|