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/*
// Copyright (c) 2010-2017 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
*/
#include <rte_cycles.h>
#include "stats.h"
#include "stats_l4gen.h"
#include "stats_cons_log.h"
#include "prox_cfg.h"
#include "prox_args.h"
#include "prox_assert.h"
#include "commands.h"
static struct stats_cons stats_cons_log = {
.init = stats_cons_log_init,
.notify = stats_cons_log_notify,
.finish = stats_cons_log_finish,
#ifndef DPI_STATS
.flags = STATS_CONS_F_ALL,
#else
.flags = STATS_CONS_F_PORTS|STATS_CONS_F_TASKS,
#endif
};
struct header {
uint64_t hz;
uint64_t now;
uint64_t n_entries;
uint64_t n_entry_fields;
uint8_t n_entry_field_size[64];
};
static void header_init(struct header *hdr, uint64_t hz, uint64_t now, uint64_t n_entries) {
memset(hdr, 0, sizeof(*hdr));
hdr->hz = hz;
hdr->now = now;
hdr->n_entries = n_entries;
}
static void header_add_field(struct header *hdr, uint8_t size) {
hdr->n_entry_field_size[hdr->n_entry_fields++] = size;
}
static void header_write(struct header *hdr, FILE *fp) {
size_t header_size_no_fields = sizeof(*hdr) - sizeof(hdr->n_entry_field_size);
size_t header_size_effective = header_size_no_fields + hdr->n_entry_fields;
fwrite(hdr, header_size_effective, 1, fp);
}
#define BUFFERED_RECORD_LEN 16384
#define STATS_DUMP_FILE_NAME "stats_dump"
static FILE *fp;
struct entry {
uint32_t lcore_id;
uint32_t task_id;
#ifndef DPI_STATS
uint32_t l4_stats_id;
#endif
};
static struct entry entries[64];
static uint64_t n_entries;
#ifndef DPI_STATS
struct record {
uint32_t lcore_id;
uint32_t task_id;
uint64_t active_connections;
uint64_t bundles_created;
uint64_t rx_bytes;
uint64_t tx_bytes;
uint64_t tsc;
} __attribute__((packed));
#else
struct record {
uint32_t lcore_id;
uint32_t task_id;
uint64_t rx_bytes;
uint64_t tx_bytes;
uint64_t drop_bytes;
uint64_t tsc;
} __attribute__((packed));
#endif
static struct record buf[BUFFERED_RECORD_LEN];
static size_t buf_pos = 0;
struct stats_cons *stats_cons_log_get(void)
{
return &stats_cons_log;
}
#ifndef DPI_STATS
void stats_cons_log_init(void)
{
fp = fopen(STATS_DUMP_FILE_NAME, "w");
if (!fp)
return;
uint32_t lcore_id = -1;
while(prox_core_next(&lcore_id, 0) == 0) {
struct lcore_cfg *lconf = &lcore_cfg[lcore_id];
if (lconf->n_tasks_all && (strcmp(lconf->targs[0].task_init->mode_str, "genl4") ||
strcmp(lconf->targs[0].task_init->sub_mode_str, "")))
continue;
for (uint32_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
entries[n_entries].lcore_id = lcore_id;
entries[n_entries].task_id = task_id;
entries[n_entries].l4_stats_id = n_entries;
n_entries++;
if (n_entries == sizeof(entries)/sizeof(entries[0]))
break;
}
cmd_rx_bw_start(lcore_id);
cmd_tx_bw_start(lcore_id);
if (n_entries == sizeof(entries)/sizeof(entries[0]))
break;
}
struct header hdr;
header_init(&hdr, rte_get_tsc_hz(), rte_rdtsc(), n_entries);
header_add_field(&hdr, sizeof(((struct record *)0)->lcore_id));
header_add_field(&hdr, sizeof(((struct record *)0)->task_id));
header_add_field(&hdr, sizeof(((struct record *)0)->active_connections));
header_add_field(&hdr, sizeof(((struct record *)0)->bundles_created));
header_add_field(&hdr, sizeof(((struct record *)0)->rx_bytes));
header_add_field(&hdr, sizeof(((struct record *)0)->tx_bytes));
header_add_field(&hdr, sizeof(((struct record *)0)->tsc));
header_write(&hdr, fp);
}
void stats_cons_log_notify(void)
{
const uint32_t n_l4gen = stats_get_n_l4gen();
if (buf_pos + n_entries > sizeof(buf)/sizeof(buf[0])) {
fwrite(buf, sizeof(buf[0]), buf_pos, fp);
buf_pos = 0;
}
PROX_ASSERT(buf_pos + n_entries <= sizeof(buf)/sizeof(buf[0]));
for (uint32_t i = 0; i < n_entries; ++i) {
uint32_t c = entries[i].lcore_id;
uint32_t t = entries[i].task_id;
uint32_t j = entries[i].l4_stats_id;
struct l4_stats_sample *clast = stats_get_l4_stats_sample(j, 1);
struct task_stats *l = stats_get_task_stats(c, t);
struct task_stats_sample *last = stats_get_task_stats_sample(c, t, 1);
buf[buf_pos].lcore_id = c;
buf[buf_pos].task_id = t;
uint64_t tot_created = clast->stats.tcp_created + clast->stats.udp_created;
uint64_t tot_finished = clast->stats.tcp_finished_retransmit + clast->stats.tcp_finished_no_retransmit +
clast->stats.udp_finished + clast->stats.udp_expired + clast->stats.tcp_expired;
buf[buf_pos].active_connections = tot_created - tot_finished;
buf[buf_pos].bundles_created = clast->stats.bundles_created;
buf[buf_pos].rx_bytes = last->rx_bytes;
buf[buf_pos].tx_bytes = last->tx_bytes;
buf[buf_pos].tsc = clast->tsc;
buf_pos++;
}
}
#else
void stats_cons_log_init(void)
{
uint64_t el = rte_get_tsc_hz();
uint64_t now = rte_rdtsc();
fp = fopen(STATS_DUMP_FILE_NAME, "w");
if (!fp)
return;
uint32_t lcore_id = -1;
while(prox_core_next(&lcore_id, 0) == 0) {
struct lcore_cfg *lconf = &lcore_cfg[lcore_id];
if (!lconf->n_tasks_all)
continue;
for (uint32_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
if (strcmp(lconf->targs[task_id].task_init->mode_str, "lbpos"))
continue;
entries[n_entries].lcore_id = lcore_id;
entries[n_entries].task_id = task_id;
n_entries++;
if (n_entries == sizeof(entries)/sizeof(entries[0]))
break;
}
cmd_rx_bw_start(lcore_id);
cmd_tx_bw_start(lcore_id);
if (n_entries == sizeof(entries)/sizeof(entries[0]))
break;
}
struct header hdr;
header_init(&hdr, rte_get_tsc_hz(), rte_rdtsc(), n_entries);
header_add_field(&hdr, sizeof(((struct record *)0)->lcore_id));
header_add_field(&hdr, sizeof(((struct record *)0)->task_id));
header_add_field(&hdr, sizeof(((struct record *)0)->rx_bytes));
header_add_field(&hdr, sizeof(((struct record *)0)->tx_bytes));
header_add_field(&hdr, sizeof(((struct record *)0)->drop_bytes));
header_add_field(&hdr, sizeof(((struct record *)0)->tsc));
header_write(&hdr, fp);
}
void stats_cons_log_notify(void)
{
for (uint32_t i = 0; i < n_entries; ++i) {
uint32_t c = entries[i].lcore_id;
uint32_t t = entries[i].task_id;
struct task_stats *l = stats_get_task_stats(c, t);
struct task_stats_sample *last = stats_get_task_stats_sample(c, t, 1);
buf[buf_pos].lcore_id = c;
buf[buf_pos].task_id = t;
buf[buf_pos].tx_bytes = last->tx_bytes;
buf[buf_pos].rx_bytes = last->rx_bytes;
buf[buf_pos].drop_bytes = last->drop_bytes;
/* buf[buf_pos].drop_tx_fail = l->tot_drop_tx_fail; */
buf[buf_pos].tsc = last->tsc;
buf_pos++;
if (buf_pos == sizeof(buf)/sizeof(buf[0])) {
fwrite(buf, sizeof(buf), 1, fp);
buf_pos = 0;
}
}
}
#endif
void stats_cons_log_finish(void)
{
if (fp) {
if (buf_pos) {
fwrite(buf, sizeof(buf[0]), buf_pos, fp);
buf_pos = 0;
}
fclose(fp);
}
}
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