106 lines
2.5 KiB
C
106 lines
2.5 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#pragma once
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#include <stdlib.h>
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#include <stdbool.h>
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#include <linux/err.h>
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#include <errno.h>
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#include <unistd.h>
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#include <bpf/bpf.h>
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#include <bpf/libbpf.h>
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#include <math.h>
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#include <time.h>
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#include <sys/syscall.h>
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struct cpu_set {
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bool *cpus;
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int cpus_len;
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int next_cpu;
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};
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struct env {
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char *bench_name;
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int duration_sec;
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int warmup_sec;
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bool verbose;
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bool list;
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bool affinity;
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bool quiet;
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int consumer_cnt;
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int producer_cnt;
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struct cpu_set prod_cpus;
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struct cpu_set cons_cpus;
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};
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struct basic_stats {
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double mean;
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double stddev;
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};
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struct bench_res {
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long hits;
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long drops;
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long false_hits;
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long important_hits;
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unsigned long gp_ns;
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unsigned long gp_ct;
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unsigned int stime;
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};
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struct bench {
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const char *name;
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const struct argp *argp;
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void (*validate)(void);
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void (*setup)(void);
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void *(*producer_thread)(void *ctx);
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void *(*consumer_thread)(void *ctx);
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void (*measure)(struct bench_res* res);
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void (*report_progress)(int iter, struct bench_res* res, long delta_ns);
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void (*report_final)(struct bench_res res[], int res_cnt);
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};
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struct counter {
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long value;
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} __attribute__((aligned(128)));
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extern struct env env;
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extern const struct bench *bench;
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void setup_libbpf(void);
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void hits_drops_report_progress(int iter, struct bench_res *res, long delta_ns);
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void hits_drops_report_final(struct bench_res res[], int res_cnt);
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void false_hits_report_progress(int iter, struct bench_res *res, long delta_ns);
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void false_hits_report_final(struct bench_res res[], int res_cnt);
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void ops_report_progress(int iter, struct bench_res *res, long delta_ns);
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void ops_report_final(struct bench_res res[], int res_cnt);
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void local_storage_report_progress(int iter, struct bench_res *res,
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long delta_ns);
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void local_storage_report_final(struct bench_res res[], int res_cnt);
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void grace_period_latency_basic_stats(struct bench_res res[], int res_cnt,
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struct basic_stats *gp_stat);
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void grace_period_ticks_basic_stats(struct bench_res res[], int res_cnt,
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struct basic_stats *gp_stat);
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static inline __u64 get_time_ns(void)
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{
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struct timespec t;
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clock_gettime(CLOCK_MONOTONIC, &t);
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return (u64)t.tv_sec * 1000000000 + t.tv_nsec;
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}
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static inline void atomic_inc(long *value)
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{
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(void)__atomic_add_fetch(value, 1, __ATOMIC_RELAXED);
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}
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static inline void atomic_add(long *value, long n)
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{
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(void)__atomic_add_fetch(value, n, __ATOMIC_RELAXED);
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}
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static inline long atomic_swap(long *value, long n)
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{
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return __atomic_exchange_n(value, n, __ATOMIC_RELAXED);
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}
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