mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-31 08:28:13 +00:00
9a93bf3fda
Fix checkpatch error: "ERROR: Bad function definition - void foo() should probably be void foo(void)". Most replacements are done by the following command: sed -i 's#\([a-z]\)()$#\1(void)#g' testing/selftests/bpf/benchs/*.c Signed-off-by: Hou Tao <houtao1@huawei.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20211210141652.877186-3-houtao1@huawei.com
87 lines
1.9 KiB
C
87 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#pragma once
|
|
#include <stdlib.h>
|
|
#include <stdbool.h>
|
|
#include <linux/err.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <bpf/bpf.h>
|
|
#include <bpf/libbpf.h>
|
|
#include <math.h>
|
|
#include <time.h>
|
|
#include <sys/syscall.h>
|
|
|
|
struct cpu_set {
|
|
bool *cpus;
|
|
int cpus_len;
|
|
int next_cpu;
|
|
};
|
|
|
|
struct env {
|
|
char *bench_name;
|
|
int duration_sec;
|
|
int warmup_sec;
|
|
bool verbose;
|
|
bool list;
|
|
bool affinity;
|
|
int consumer_cnt;
|
|
int producer_cnt;
|
|
struct cpu_set prod_cpus;
|
|
struct cpu_set cons_cpus;
|
|
};
|
|
|
|
struct bench_res {
|
|
long hits;
|
|
long drops;
|
|
long false_hits;
|
|
};
|
|
|
|
struct bench {
|
|
const char *name;
|
|
void (*validate)(void);
|
|
void (*setup)(void);
|
|
void *(*producer_thread)(void *ctx);
|
|
void *(*consumer_thread)(void *ctx);
|
|
void (*measure)(struct bench_res* res);
|
|
void (*report_progress)(int iter, struct bench_res* res, long delta_ns);
|
|
void (*report_final)(struct bench_res res[], int res_cnt);
|
|
};
|
|
|
|
struct counter {
|
|
long value;
|
|
} __attribute__((aligned(128)));
|
|
|
|
extern struct env env;
|
|
extern const struct bench *bench;
|
|
|
|
void setup_libbpf(void);
|
|
void hits_drops_report_progress(int iter, struct bench_res *res, long delta_ns);
|
|
void hits_drops_report_final(struct bench_res res[], int res_cnt);
|
|
void false_hits_report_progress(int iter, struct bench_res *res, long delta_ns);
|
|
void false_hits_report_final(struct bench_res res[], int res_cnt);
|
|
void ops_report_progress(int iter, struct bench_res *res, long delta_ns);
|
|
void ops_report_final(struct bench_res res[], int res_cnt);
|
|
|
|
static inline __u64 get_time_ns(void)
|
|
{
|
|
struct timespec t;
|
|
|
|
clock_gettime(CLOCK_MONOTONIC, &t);
|
|
|
|
return (u64)t.tv_sec * 1000000000 + t.tv_nsec;
|
|
}
|
|
|
|
static inline void atomic_inc(long *value)
|
|
{
|
|
(void)__atomic_add_fetch(value, 1, __ATOMIC_RELAXED);
|
|
}
|
|
|
|
static inline void atomic_add(long *value, long n)
|
|
{
|
|
(void)__atomic_add_fetch(value, n, __ATOMIC_RELAXED);
|
|
}
|
|
|
|
static inline long atomic_swap(long *value, long n)
|
|
{
|
|
return __atomic_exchange_n(value, n, __ATOMIC_RELAXED);
|
|
}
|