1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #pragma once 3 #include <stdlib.h> 4 #include <stdbool.h> 5 #include <linux/err.h> 6 #include <errno.h> 7 #include <unistd.h> 8 #include <bpf/bpf.h> 9 #include <bpf/libbpf.h> 10 #include <math.h> 11 #include <time.h> 12 #include <sys/syscall.h> 13 14 struct cpu_set { 15 bool *cpus; 16 int cpus_len; 17 int next_cpu; 18 }; 19 20 struct env { 21 char *bench_name; 22 int duration_sec; 23 int warmup_sec; 24 bool verbose; 25 bool list; 26 bool affinity; 27 bool quiet; 28 int consumer_cnt; 29 int producer_cnt; 30 int nr_cpus; 31 struct cpu_set prod_cpus; 32 struct cpu_set cons_cpus; 33 }; 34 35 struct basic_stats { 36 double mean; 37 double stddev; 38 }; 39 40 struct bench_res { 41 long hits; 42 long drops; 43 long false_hits; 44 long important_hits; 45 unsigned long gp_ns; 46 unsigned long gp_ct; 47 unsigned int stime; 48 }; 49 50 struct bench { 51 const char *name; 52 const struct argp *argp; 53 void (*validate)(void); 54 void (*setup)(void); 55 void *(*producer_thread)(void *ctx); 56 void *(*consumer_thread)(void *ctx); 57 void (*measure)(struct bench_res* res); 58 void (*report_progress)(int iter, struct bench_res* res, long delta_ns); 59 void (*report_final)(struct bench_res res[], int res_cnt); 60 }; 61 62 struct counter { 63 long value; 64 } __attribute__((aligned(128))); 65 66 extern struct env env; 67 extern const struct bench *bench; 68 69 void setup_libbpf(void); 70 void hits_drops_report_progress(int iter, struct bench_res *res, long delta_ns); 71 void hits_drops_report_final(struct bench_res res[], int res_cnt); 72 void false_hits_report_progress(int iter, struct bench_res *res, long delta_ns); 73 void false_hits_report_final(struct bench_res res[], int res_cnt); 74 void ops_report_progress(int iter, struct bench_res *res, long delta_ns); 75 void ops_report_final(struct bench_res res[], int res_cnt); 76 void local_storage_report_progress(int iter, struct bench_res *res, 77 long delta_ns); 78 void local_storage_report_final(struct bench_res res[], int res_cnt); 79 void grace_period_latency_basic_stats(struct bench_res res[], int res_cnt, 80 struct basic_stats *gp_stat); 81 void grace_period_ticks_basic_stats(struct bench_res res[], int res_cnt, 82 struct basic_stats *gp_stat); 83 84 static inline void atomic_inc(long *value) 85 { 86 (void)__atomic_add_fetch(value, 1, __ATOMIC_RELAXED); 87 } 88 89 static inline void atomic_add(long *value, long n) 90 { 91 (void)__atomic_add_fetch(value, n, __ATOMIC_RELAXED); 92 } 93 94 static inline long atomic_swap(long *value, long n) 95 { 96 return __atomic_exchange_n(value, n, __ATOMIC_RELAXED); 97 } 98