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/*
// Copyright (c) 2010-2018 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 <stddef.h>
#include "handle_irq.h"
#include "stats_irq.h"
#include "prox_cfg.h"
#include "prox_globals.h"
#include "lconf.h"
static struct irq_task_stats irq_task_stats_set[RTE_MAX_LCORE * MAX_TASKS_PER_CORE];
static uint8_t nb_irq_tasks;
int stats_get_n_irq_tasks(void)
{
return nb_irq_tasks;
}
struct irq_sample *get_irq_sample(uint32_t task_id, int l)
{
return &irq_task_stats_set[task_id].sample[last_stat == l];
}
struct irq_sample *get_irq_sample_by_core_task(uint32_t lcore_id, uint32_t irq_task_id, int l)
{
for (uint8_t task_id = 0; task_id < nb_irq_tasks; ++task_id) {
if ((irq_task_stats_set[task_id].lcore_id == lcore_id) && (irq_task_stats_set[task_id].task_id == irq_task_id))
return &irq_task_stats_set[task_id].sample[last_stat == l];
}
return NULL;
}
void stats_irq_reset(void)
{
struct irq_task_stats *cur_task_stats;
for (uint8_t task_id = 0; task_id < nb_irq_tasks; ++task_id) {
cur_task_stats = &irq_task_stats_set[task_id];
cur_task_stats->max_irq = 0;
for (uint i = 0; i < IRQ_BUCKETS_COUNT; ++i) {
cur_task_stats->irq[i] = 0;
}
}
}
void stats_irq_post_proc(void)
{
for (uint8_t task_id = 0; task_id < nb_irq_tasks; ++task_id) {
struct irq_task_stats *cur_task_stats = &irq_task_stats_set[task_id];
struct irq_rt_stats *stats = cur_task_stats->stats;
const struct irq_sample *last = &cur_task_stats->sample[last_stat];
const struct irq_sample *prev = &cur_task_stats->sample[!last_stat];
if (cur_task_stats->max_irq < last->max_irq)
cur_task_stats->max_irq = last->max_irq;
for (uint i = 0; i < IRQ_BUCKETS_COUNT; ++i) {
cur_task_stats->irq[i] += last->irq[i] - prev->irq[i];
}
stats->max_irq = 0;
}
}
void stats_irq_update(void)
{
for (uint8_t task_id = 0; task_id < nb_irq_tasks; ++task_id) {
struct irq_task_stats *cur_task_stats = &irq_task_stats_set[task_id];
struct irq_rt_stats *stats = cur_task_stats->stats;
struct irq_sample *sample = &cur_task_stats->sample[last_stat];
sample->max_irq = stats->max_irq;
for (uint i = 0; i < IRQ_BUCKETS_COUNT; ++i) {
sample->irq[i] = stats->irq[i];
}
}
}
void stats_irq_init(void)
{
struct lcore_cfg *lconf;
uint32_t lcore_id;
lcore_id = -1;
while(prox_core_next(&lcore_id, 0) == 0) {
lconf = &lcore_cfg[lcore_id];
for (uint8_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
struct task_args *targ = &lconf->targs[task_id];
if (strcmp(targ->task_init->mode_str, "irq") == 0) {
struct irq_rt_stats *stats = &((struct task_irq *)(lconf->tasks_all[task_id]))->stats;
irq_task_stats_set[nb_irq_tasks].stats = stats;
irq_task_stats_set[nb_irq_tasks].lcore_id = lcore_id;
irq_task_stats_set[nb_irq_tasks++].task_id = task_id;
}
}
}
}
uint64_t get_max_irq_stats_by_core_task(uint8_t lcore_id, uint8_t irq_task_id)
{
for (uint8_t task_id = 0; task_id < nb_irq_tasks; ++task_id) {
if ((irq_task_stats_set[task_id].lcore_id == lcore_id) && (irq_task_stats_set[task_id].task_id == irq_task_id))
return (irq_task_stats_set[task_id].max_irq * 1000000) / rte_get_tsc_hz();
}
return -1;
}
uint64_t get_irq_stats_by_core_task(uint8_t lcore_id, uint8_t irq_task_id, int id)
{
for (uint8_t task_id = 0; task_id < nb_irq_tasks; ++task_id) {
if ((irq_task_stats_set[task_id].lcore_id == lcore_id) && (irq_task_stats_set[task_id].task_id == irq_task_id))
return irq_task_stats_set[task_id].irq[id];
}
return -1;
}
uint64_t get_max_irq_stats(uint8_t task_id)
{
return (irq_task_stats_set[task_id].max_irq * 1000000L) / rte_get_tsc_hz();
}
uint64_t get_irq_stats(uint8_t task_id, int bucket_id)
{
return irq_task_stats_set[task_id].irq[bucket_id];
}
void get_irq_buckets_by_core_task(char *buf, uint8_t lcore_id, uint8_t irq_task_id)
{
for (int i = 0; i < IRQ_BUCKETS_COUNT; i++) {
sprintf(buf+strlen(buf), "%ld; ", irq_bucket_maxtime_micro[i]);
}
sprintf(buf+strlen(buf), "\n");
}
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