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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020 Facebook */
#include "bench.h"
/* COUNT-GLOBAL benchmark */
static struct count_global_ctx {
struct counter hits;
} count_global_ctx;
static void *count_global_producer(void *input)
{
struct count_global_ctx *ctx = &count_global_ctx;
while (true) {
atomic_inc(&ctx->hits.value);
}
return NULL;
}
static void *count_global_consumer(void *input)
{
return NULL;
}
static void count_global_measure(struct bench_res *res)
{
struct count_global_ctx *ctx = &count_global_ctx;
res->hits = atomic_swap(&ctx->hits.value, 0);
}
/* COUNT-local benchmark */
static struct count_local_ctx {
struct counter *hits;
} count_local_ctx;
static void count_local_setup(void)
{
struct count_local_ctx *ctx = &count_local_ctx;
ctx->hits = calloc(env.consumer_cnt, sizeof(*ctx->hits));
if (!ctx->hits)
exit(1);
}
static void *count_local_producer(void *input)
{
struct count_local_ctx *ctx = &count_local_ctx;
int idx = (long)input;
while (true) {
atomic_inc(&ctx->hits[idx].value);
}
return NULL;
}
static void *count_local_consumer(void *input)
{
return NULL;
}
static void count_local_measure(struct bench_res *res)
{
struct count_local_ctx *ctx = &count_local_ctx;
int i;
for (i = 0; i < env.producer_cnt; i++) {
res->hits += atomic_swap(&ctx->hits[i].value, 0);
}
}
const struct bench bench_count_global = {
.name = "count-global",
.producer_thread = count_global_producer,
.consumer_thread = count_global_consumer,
.measure = count_global_measure,
.report_progress = hits_drops_report_progress,
.report_final = hits_drops_report_final,
};
const struct bench bench_count_local = {
.name = "count-local",
.setup = count_local_setup,
.producer_thread = count_local_producer,
.consumer_thread = count_local_consumer,
.measure = count_local_measure,
.report_progress = hits_drops_report_progress,
.report_final = hits_drops_report_final,
};
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