X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=options.c;h=9700110983cc6d04ff4ebc4e356fab10ef2e2cee;hp=a7225eab37c38b37408d1b74b5ec80adb8d7361f;hb=99a47c6905731e53dd4d8f7ea6501f36d9329e7b;hpb=f66ab3c819a8bd9eba6e8285d12443e0427e9561 diff --git a/options.c b/options.c index a7225eab..97001109 100644 --- a/options.c +++ b/options.c @@ -154,8 +154,10 @@ static int str_rw_cb(void *data, const char *str) char *nr = get_opt_postfix(str); td->o.ddir_nr = 1; - if (nr) + if (nr) { td->o.ddir_nr = atoi(nr); + free(nr); + } return 0; } @@ -244,12 +246,29 @@ static int str_cpumask_cb(void *data, unsigned int *val) { struct thread_data *td = data; unsigned int i; + long max_cpu; + int ret; + + ret = fio_cpuset_init(&td->o.cpumask); + if (ret < 0) { + log_err("fio: cpuset_init failed\n"); + td_verror(td, ret, "fio_cpuset_init"); + return 1; + } - CPU_ZERO(&td->o.cpumask); + max_cpu = sysconf(_SC_NPROCESSORS_ONLN); - for (i = 0; i < sizeof(int) * 8; i++) - if ((1 << i) & *val) - CPU_SET(*val, &td->o.cpumask); + for (i = 0; i < sizeof(int) * 8; i++) { + if ((1 << i) & *val) { + if (i > max_cpu) { + log_err("fio: CPU %d too large (max=%ld)\n", i, + max_cpu); + return 1; + } + dprint(FD_PARSE, "set cpu allowed %d\n", i); + fio_cpu_set(&td->o.cpumask, i); + } + } td->o.cpumask_set = 1; return 0; @@ -259,23 +278,68 @@ static int str_cpus_allowed_cb(void *data, const char *input) { struct thread_data *td = data; char *cpu, *str, *p; + long max_cpu; + int ret = 0; - CPU_ZERO(&td->o.cpumask); + ret = fio_cpuset_init(&td->o.cpumask); + if (ret < 0) { + log_err("fio: cpuset_init failed\n"); + td_verror(td, ret, "fio_cpuset_init"); + return 1; + } p = str = strdup(input); strip_blank_front(&str); strip_blank_end(str); + max_cpu = sysconf(_SC_NPROCESSORS_ONLN); + while ((cpu = strsep(&str, ",")) != NULL) { + char *str2, *cpu2; + int icpu, icpu2; + if (!strlen(cpu)) break; - CPU_SET(atoi(cpu), &td->o.cpumask); + + str2 = cpu; + icpu2 = -1; + while ((cpu2 = strsep(&str2, "-")) != NULL) { + if (!strlen(cpu2)) + break; + + icpu2 = atoi(cpu2); + } + + icpu = atoi(cpu); + if (icpu2 == -1) + icpu2 = icpu; + while (icpu <= icpu2) { + if (icpu >= FIO_MAX_CPUS) { + log_err("fio: your OS only supports up to" + " %d CPUs\n", (int) FIO_MAX_CPUS); + ret = 1; + break; + } + if (icpu > max_cpu) { + log_err("fio: CPU %d too large (max=%ld)\n", + icpu, max_cpu); + ret = 1; + break; + } + + dprint(FD_PARSE, "set cpu allowed %d\n", icpu); + fio_cpu_set(&td->o.cpumask, icpu); + icpu++; + } + if (ret) + break; } free(p); - td->o.cpumask_set = 1; - return 0; + if (!ret) + td->o.cpumask_set = 1; + return ret; } #endif @@ -285,8 +349,10 @@ static int str_fst_cb(void *data, const char *str) char *nr = get_opt_postfix(str); td->file_service_nr = 1; - if (nr) + if (nr) { td->file_service_nr = atoi(nr); + free(nr); + } return 0; } @@ -426,12 +492,60 @@ static int str_lockfile_cb(void *data, const char *str) char *nr = get_opt_postfix(str); td->o.lockfile_batch = 1; - if (nr) + if (nr) { td->o.lockfile_batch = atoi(nr); + free(nr); + } return 0; } +static int str_write_bw_log_cb(void *data, const char *str) +{ + struct thread_data *td = data; + + if (str) + td->o.bw_log_file = strdup(str); + + td->o.write_bw_log = 1; + return 0; +} + +static int str_write_lat_log_cb(void *data, const char *str) +{ + struct thread_data *td = data; + + if (str) + td->o.lat_log_file = strdup(str); + + td->o.write_lat_log = 1; + return 0; +} + +static int str_gtod_reduce_cb(void *data, int *il) +{ + struct thread_data *td = data; + int val = *il; + + td->o.disable_clat = !!val; + td->o.disable_slat = !!val; + td->o.disable_bw = !!val; + if (val) + td->tv_cache_mask = 63; + + return 0; +} + +static int str_gtod_cpu_cb(void *data, int *il) +{ + struct thread_data *td = data; + int val = *il; + + td->o.gtod_cpu = val; + td->o.gtod_offload = 1; + return 0; +} + #define __stringify_1(x) #x #define __stringify(x) __stringify_1(x) @@ -463,6 +577,7 @@ static struct fio_option options[] = { .type = FIO_OPT_STR_STORE, .off1 = td_var_offset(filename), .cb = str_filename_cb, + .prio = 1, /* must come before "directory" */ .help = "File(s) to use for the workload", }, { @@ -615,7 +730,7 @@ static struct fio_option options[] = { .alias = "iodepth_batch_submit", .type = FIO_OPT_INT, .off1 = td_var_offset(iodepth_batch), - .help = "Number of IO to submit in one go", + .help = "Number of IO buffers to submit in one go", .parent = "iodepth", .minval = 1, .def = "1", @@ -624,7 +739,7 @@ static struct fio_option options[] = { .name = "iodepth_batch_complete", .type = FIO_OPT_INT, .off1 = td_var_offset(iodepth_batch_complete), - .help = "Number of IO to retrieve in one go", + .help = "Number of IO buffers to retrieve in one go", .parent = "iodepth", .minval = 0, .def = "1", @@ -677,6 +792,16 @@ static struct fio_option options[] = { .def = "4k", .parent = "rw", }, + { + .name = "ba", + .alias = "blockalign", + .type = FIO_OPT_STR_VAL_INT, + .off1 = td_var_offset(ba[DDIR_READ]), + .off2 = td_var_offset(ba[DDIR_WRITE]), + .minval = 1, + .help = "IO block offset alignment", + .parent = "rw", + }, { .name = "bsrange", .alias = "blocksize_range", @@ -756,6 +881,10 @@ static struct fio_option options[] = { .oval = FIO_FSERVICE_RR, .help = "Round robin select files", }, + { .ival = "sequential", + .oval = FIO_FSERVICE_SEQ, + .help = "Finish one file before moving to the next", + }, }, .parent = "nrfiles", }, @@ -830,6 +959,12 @@ static struct fio_option options[] = { .off1 = td_var_offset(time_based), .help = "Keep running until runtime/timeout is met", }, + { + .name = "ramp_time", + .type = FIO_OPT_STR_VAL_TIME, + .off1 = td_var_offset(ramp_time), + .help = "Ramp up time before measuring performance", + }, { .name = "mem", .alias = "iomem", @@ -888,6 +1023,14 @@ static struct fio_option options[] = { .oval = VERIFY_CRC32, .help = "Use crc32 checksums for verification", }, + { .ival = "crc32c-intel", + .oval = VERIFY_CRC32C_INTEL, + .help = "Use hw crc32c checksums for verification", + }, + { .ival = "crc32c", + .oval = VERIFY_CRC32C, + .help = "Use crc32c checksums for verification", + }, { .ival = "crc16", .oval = VERIFY_CRC16, .help = "Use crc16 checksums for verification", @@ -1156,6 +1299,13 @@ static struct fio_option options[] = { .help = "Fsync file after creation", .def = "1", }, + { + .name = "create_on_open", + .type = FIO_OPT_BOOL, + .off1 = td_var_offset(create_on_open), + .help = "Create files when they are opened for IO", + .def = "0", + }, { .name = "cpuload", .type = FIO_OPT_INT, @@ -1231,14 +1381,16 @@ static struct fio_option options[] = { }, { .name = "write_bw_log", - .type = FIO_OPT_STR_SET, + .type = FIO_OPT_STR, .off1 = td_var_offset(write_bw_log), + .cb = str_write_bw_log_cb, .help = "Write log of bandwidth during run", }, { .name = "write_lat_log", - .type = FIO_OPT_STR_SET, + .type = FIO_OPT_STR, .off1 = td_var_offset(write_lat_log), + .cb = str_write_lat_log_cb, .help = "Write log of latency during run", }, { @@ -1275,6 +1427,43 @@ static struct fio_option options[] = { .def = "1", }, #endif + { + .name = "gtod_reduce", + .type = FIO_OPT_BOOL, + .help = "Greatly reduce number of gettimeofday() calls", + .cb = str_gtod_reduce_cb, + .def = "0", + }, + { + .name = "disable_clat", + .type = FIO_OPT_BOOL, + .off1 = td_var_offset(disable_clat), + .help = "Disable completion latency numbers", + .parent = "gtod_reduce", + .def = "0", + }, + { + .name = "disable_slat", + .type = FIO_OPT_BOOL, + .off1 = td_var_offset(disable_slat), + .help = "Disable submissionn latency numbers", + .parent = "gtod_reduce", + .def = "0", + }, + { + .name = "disable_bw_measurement", + .type = FIO_OPT_BOOL, + .off1 = td_var_offset(disable_bw), + .help = "Disable bandwidth logging", + .parent = "gtod_reduce", + .def = "0", + }, + { + .name = "gtod_cpu", + .type = FIO_OPT_INT, + .cb = str_gtod_cpu_cb, + .help = "Setup dedicated gettimeofday() thread on this CPU", + }, { .name = NULL, }, @@ -1306,9 +1495,16 @@ void fio_options_dup_and_init(struct option *long_options) } } -int fio_option_parse(struct thread_data *td, const char *opt) +int fio_options_parse(struct thread_data *td, char **opts, int num_opts) { - return parse_option(opt, options, td); + int i, ret; + + sort_options(opts, options, num_opts); + + for (ret = 0, i = 0; i < num_opts; i++) + ret |= parse_option(opts[i], options, td); + + return ret; } int fio_cmd_option_parse(struct thread_data *td, const char *opt, char *val)