| 1 | #include "../fio.h" |
| 2 | #include "../profile.h" |
| 3 | #include "../parse.h" |
| 4 | |
| 5 | #define OBJ_SIZE 1536 /* each object */ |
| 6 | #define W_BUF_SIZE 128 * 1024 /* write coalescing */ |
| 7 | |
| 8 | #define R_LOAD 2000 |
| 9 | #define W_LOAD 1000 |
| 10 | |
| 11 | #define SAMPLE_SEC 3600 /* 1h checks */ |
| 12 | |
| 13 | struct act_pass_criteria { |
| 14 | unsigned int max_usec; |
| 15 | unsigned int max_perm; |
| 16 | }; |
| 17 | #define ACT_MAX_CRIT 3 |
| 18 | |
| 19 | static struct act_pass_criteria act_pass[ACT_MAX_CRIT] = { |
| 20 | { |
| 21 | .max_usec = 1000, |
| 22 | .max_perm = 50, |
| 23 | }, |
| 24 | { |
| 25 | .max_usec = 8000, |
| 26 | .max_perm = 10, |
| 27 | }, |
| 28 | { |
| 29 | .max_usec = 64000, |
| 30 | .max_perm = 1, |
| 31 | }, |
| 32 | }; |
| 33 | |
| 34 | struct act_prof_data { |
| 35 | struct timeval sample_tv; |
| 36 | uint64_t lat_buckets[ACT_MAX_CRIT]; |
| 37 | uint64_t total_ios; |
| 38 | }; |
| 39 | |
| 40 | static char *device_names; |
| 41 | static unsigned int load = 1; |
| 42 | |
| 43 | static const char *act_opts[128] = { |
| 44 | "direct=1", |
| 45 | "ioengine=libaio", |
| 46 | "iodepth=32", |
| 47 | "random_generator=lfsr", |
| 48 | "runtime=24h", |
| 49 | "time_based=1", |
| 50 | NULL, |
| 51 | }; |
| 52 | static unsigned int opt_idx = 6; |
| 53 | static unsigned int org_idx; |
| 54 | |
| 55 | static void act_add_opt(const char *format, ...) __attribute__ ((__format__ (__printf__, 1, 2))); |
| 56 | |
| 57 | static struct fio_option options[] = { |
| 58 | { |
| 59 | .name = "device-names", |
| 60 | .lname = "device-names", |
| 61 | .type = FIO_OPT_STR_STORE, |
| 62 | .roff1 = &device_names, |
| 63 | .help = "Devices to use", |
| 64 | .category = FIO_OPT_C_PROFILE, |
| 65 | .group = FIO_OPT_G_ACT, |
| 66 | }, |
| 67 | { |
| 68 | .name = "load", |
| 69 | .lname = "Load multiplier", |
| 70 | .type = FIO_OPT_INT, |
| 71 | .roff1 = &load, |
| 72 | .help = "ACT load multipler (default 1x)", |
| 73 | .category = FIO_OPT_C_PROFILE, |
| 74 | .group = FIO_OPT_G_ACT, |
| 75 | }, |
| 76 | { |
| 77 | .name = NULL, |
| 78 | }, |
| 79 | }; |
| 80 | |
| 81 | static void act_add_opt(const char *str, ...) |
| 82 | { |
| 83 | char buffer[512]; |
| 84 | va_list args; |
| 85 | size_t len; |
| 86 | |
| 87 | va_start(args, str); |
| 88 | len = vsnprintf(buffer, sizeof(buffer), str, args); |
| 89 | va_end(args); |
| 90 | |
| 91 | if (len) |
| 92 | act_opts[opt_idx++] = strdup(buffer); |
| 93 | } |
| 94 | |
| 95 | static void act_add_dev(const char *dev) |
| 96 | { |
| 97 | act_add_opt("name=act-read-%s", dev); |
| 98 | act_add_opt("filename=%s", dev); |
| 99 | act_add_opt("rw=randread"); |
| 100 | act_add_opt("rate_iops=%u", load * R_LOAD); |
| 101 | |
| 102 | act_add_opt("name=act-write-%s", dev); |
| 103 | act_add_opt("filename=%s", dev); |
| 104 | act_add_opt("rw=randwrite"); |
| 105 | act_add_opt("rate_iops=%u", load * W_LOAD); |
| 106 | } |
| 107 | |
| 108 | /* |
| 109 | * Fill our private options into the command line |
| 110 | */ |
| 111 | static int act_prep_cmdline(void) |
| 112 | { |
| 113 | if (!device_names) { |
| 114 | log_err("act: need device-names\n"); |
| 115 | return 1; |
| 116 | } |
| 117 | |
| 118 | org_idx = opt_idx; |
| 119 | act_add_opt("bs=%u", OBJ_SIZE); |
| 120 | |
| 121 | do { |
| 122 | char *dev; |
| 123 | |
| 124 | dev = strsep(&device_names, ","); |
| 125 | if (!dev) |
| 126 | break; |
| 127 | |
| 128 | act_add_dev(dev); |
| 129 | } while (1); |
| 130 | |
| 131 | return 0; |
| 132 | } |
| 133 | |
| 134 | static int act_io_u_lat(struct thread_data *td, uint64_t usec) |
| 135 | { |
| 136 | struct act_prof_data *apd = td->prof_data; |
| 137 | int i, ret = 0; |
| 138 | double perm; |
| 139 | |
| 140 | apd->total_ios++; |
| 141 | |
| 142 | for (i = ACT_MAX_CRIT - 1; i >= 0; i--) { |
| 143 | if (usec > act_pass[i].max_usec) { |
| 144 | apd->lat_buckets[i]++; |
| 145 | break; |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | if (time_since_now(&apd->sample_tv) < SAMPLE_SEC) |
| 150 | return 0; |
| 151 | |
| 152 | /* SAMPLE_SEC has passed, check criteria for pass */ |
| 153 | for (i = 0; i < ACT_MAX_CRIT; i++) { |
| 154 | perm = (1000.0 * apd->lat_buckets[i]) / apd->total_ios; |
| 155 | if (perm < act_pass[i].max_perm) |
| 156 | continue; |
| 157 | |
| 158 | log_err("act: %f%% exceeds pass criteria of %f%%\n", perm / 10.0, (double) act_pass[i].max_perm / 10.0); |
| 159 | ret = 1; |
| 160 | break; |
| 161 | } |
| 162 | |
| 163 | memset(apd->lat_buckets, 0, sizeof(apd->lat_buckets)); |
| 164 | apd->total_ios = 0; |
| 165 | |
| 166 | fio_gettime(&apd->sample_tv, NULL); |
| 167 | return ret; |
| 168 | } |
| 169 | |
| 170 | static int act_td_init(struct thread_data *td) |
| 171 | { |
| 172 | struct act_prof_data *apd; |
| 173 | |
| 174 | apd = calloc(sizeof(*apd), 1); |
| 175 | fio_gettime(&apd->sample_tv, NULL); |
| 176 | td->prof_data = apd; |
| 177 | return 0; |
| 178 | } |
| 179 | |
| 180 | static void act_td_exit(struct thread_data *td) |
| 181 | { |
| 182 | free(td->prof_data); |
| 183 | td->prof_data = NULL; |
| 184 | } |
| 185 | |
| 186 | static struct prof_io_ops act_io_ops = { |
| 187 | .td_init = act_td_init, |
| 188 | .td_exit = act_td_exit, |
| 189 | .io_u_lat = act_io_u_lat, |
| 190 | }; |
| 191 | |
| 192 | static struct profile_ops act_profile = { |
| 193 | .name = "act", |
| 194 | .desc = "ACT Aerospike like benchmark", |
| 195 | .options = options, |
| 196 | .prep_cmd = act_prep_cmdline, |
| 197 | .cmdline = act_opts, |
| 198 | .io_ops = &act_io_ops, |
| 199 | }; |
| 200 | |
| 201 | static void fio_init act_register(void) |
| 202 | { |
| 203 | if (register_profile(&act_profile)) |
| 204 | log_err("fio: failed to register profile 'act'\n"); |
| 205 | } |
| 206 | |
| 207 | static void fio_exit act_unregister(void) |
| 208 | { |
| 209 | while (org_idx && org_idx < opt_idx) |
| 210 | free((void *) act_opts[++org_idx]); |
| 211 | |
| 212 | unregister_profile(&act_profile); |
| 213 | } |