X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=init.c;h=1e4432ec7131f4f4e850761a9475bf914be3b05a;hp=e88ff9b178a56de8d95285d5251225134dc20d0e;hb=0a839f308177e95c4c45c41ee1d4fa2b8f231f24;hpb=01ef57cef61251bdc9941404f853a89326917e25 diff --git a/init.c b/init.c index e88ff9b1..1e4432ec 100644 --- a/init.c +++ b/init.c @@ -9,7 +9,6 @@ #include #include #include -#include #include #include #include @@ -18,547 +17,35 @@ #include "fio.h" #include "parse.h" +static char fio_version_string[] = "fio 1.16"; + #define FIO_RANDSEED (0xb1899bedUL) -#define td_var_offset(var) ((size_t) &((struct thread_data *)0)->var) +static char **ini_file; +static int max_jobs = MAX_JOBS; +static int dump_cmdline; -static int str_mem_cb(void *, const char *); -static int str_lockmem_cb(void *, unsigned long *); -#ifdef FIO_HAVE_IOPRIO -static int str_prio_cb(void *, unsigned int *); -static int str_prioclass_cb(void *, unsigned int *); -#endif -static int str_exitall_cb(void); -static int str_cpumask_cb(void *, unsigned int *); -static int str_fst_cb(void *, const char *); +struct thread_data def_thread; +struct thread_data *threads = NULL; -#define __stringify_1(x) #x -#define __stringify(x) __stringify_1(x) +int exitall_on_terminate = 0; +int terse_output = 0; +unsigned long long mlock_size = 0; +FILE *f_out = NULL; +FILE *f_err = NULL; -/* - * Map of job/command line options - */ -static struct fio_option options[] = { - { - .name = "description", - .type = FIO_OPT_STR_STORE, - .off1 = td_var_offset(description), - .help = "Text job description", - }, - { - .name = "name", - .type = FIO_OPT_STR_STORE, - .off1 = td_var_offset(name), - .help = "Name of this job", - }, - { - .name = "directory", - .type = FIO_OPT_STR_STORE, - .off1 = td_var_offset(directory), - .help = "Directory to store files in", - }, - { - .name = "filename", - .type = FIO_OPT_STR_STORE, - .off1 = td_var_offset(filename), - .help = "Force the use of a specific file", - }, - { - .name = "rw", - .type = FIO_OPT_STR, - .off1 = td_var_offset(td_ddir), - .help = "IO direction", - .def = "read", - .posval = { - { .ival = "read", .oval = TD_DDIR_READ }, - { .ival = "write", .oval = TD_DDIR_WRITE }, - { .ival = "randread", .oval = TD_DDIR_RANDREAD }, - { .ival = "randwrite", .oval = TD_DDIR_RANDWRITE }, - { .ival = "rw", .oval = TD_DDIR_RW }, - { .ival = "randrw", .oval = TD_DDIR_RANDRW }, - }, - }, - { - .name = "ioengine", - .type = FIO_OPT_STR_STORE, - .off1 = td_var_offset(ioengine), - .help = "IO engine to use", - .def = "sync", - .posval = { - { .ival = "sync", }, -#ifdef FIO_HAVE_LIBAIO - { .ival = "libaio", }, -#endif -#ifdef FIO_HAVE_POSIXAIO - { .ival = "posixaio", }, -#endif - { .ival = "mmap", }, -#ifdef FIO_HAVE_SPLICE - { .ival = "splice", }, -#endif -#ifdef FIO_HAVE_SGIO - { .ival = "sg", }, -#endif - { .ival = "null", }, { .ival = "net", }, -#ifdef FIO_HAVE_SYSLET - { .ival = "syslet-rw", }, -#endif - { .ival = "cpuio", }, - { .ival = "external", }, - }, - }, - { - .name = "iodepth", - .type = FIO_OPT_INT, - .off1 = td_var_offset(iodepth), - .help = "Amount of IO buffers to keep in flight", - .def = "1", - }, - { - .name = "iodepth_batch", - .type = FIO_OPT_INT, - .off1 = td_var_offset(iodepth_batch), - .help = "Number of IO to submit in one go", - }, - { - .name = "iodepth_low", - .type = FIO_OPT_INT, - .off1 = td_var_offset(iodepth_low), - .help = "Low water mark for queuing depth", - }, - { - .name = "size", - .type = FIO_OPT_STR_VAL, - .off1 = td_var_offset(total_file_size), - .help = "Size of device or file", - }, - { - .name = "bs", - .type = FIO_OPT_STR_VAL_INT, - .off1 = td_var_offset(bs[DDIR_READ]), - .off2 = td_var_offset(bs[DDIR_WRITE]), - .help = "Block size unit", - .def = "4k", - }, - { - .name = "bsrange", - .type = FIO_OPT_RANGE, - .off1 = td_var_offset(min_bs[DDIR_READ]), - .off2 = td_var_offset(max_bs[DDIR_READ]), - .off3 = td_var_offset(min_bs[DDIR_WRITE]), - .off4 = td_var_offset(max_bs[DDIR_WRITE]), - .help = "Set block size range (in more detail than bs)", - }, - { - .name = "bs_unaligned", - .type = FIO_OPT_STR_SET, - .off1 = td_var_offset(bs_unaligned), - .help = "Don't sector align IO buffer sizes", - }, - { - .name = "offset", - .type = FIO_OPT_STR_VAL, - .off1 = td_var_offset(start_offset), - .help = "Start IO from this offset", - .def = "0", - }, - { - .name = "randrepeat", - .type = FIO_OPT_BOOL, - .off1 = td_var_offset(rand_repeatable), - .help = "Use repeatable random IO pattern", - .def = "1", - }, - { - .name = "norandommap", - .type = FIO_OPT_STR_SET, - .off1 = td_var_offset(norandommap), - .help = "Accept potential duplicate random blocks", - }, - { - .name = "nrfiles", - .type = FIO_OPT_INT, - .off1 = td_var_offset(nr_files), - .help = "Split job workload between this number of files", - .def = "1", - }, - { - .name = "openfiles", - .type = FIO_OPT_INT, - .off1 = td_var_offset(open_files), - .help = "Number of files to keep open at the same time", - }, - { - .name = "file_service_type", - .type = FIO_OPT_STR, - .cb = str_fst_cb, - .off1 = td_var_offset(file_service_type), - .help = "How to select which file to service next", - .def = "roundrobin", - .posval = { - { .ival = "random", .oval = FIO_FSERVICE_RANDOM }, - { .ival = "roundrobin", .oval = FIO_FSERVICE_RR }, - }, - }, - { - .name = "fsync", - .type = FIO_OPT_INT, - .off1 = td_var_offset(fsync_blocks), - .help = "Issue fsync for writes every given number of blocks", - .def = "0", - }, - { - .name = "direct", - .type = FIO_OPT_BOOL, - .off1 = td_var_offset(odirect), - .help = "Use O_DIRECT IO (negates buffered)", - .def = "0", - }, - { - .name = "buffered", - .type = FIO_OPT_BOOL, - .off1 = td_var_offset(odirect), - .neg = 1, - .help = "Use buffered IO (negates direct)", - .def = "1", - }, - { - .name = "overwrite", - .type = FIO_OPT_BOOL, - .off1 = td_var_offset(overwrite), - .help = "When writing, set whether to overwrite current data", - .def = "0", - }, - { - .name = "loops", - .type = FIO_OPT_INT, - .off1 = td_var_offset(loops), - .help = "Number of times to run the job", - .def = "1", - }, - { - .name = "numjobs", - .type = FIO_OPT_INT, - .off1 = td_var_offset(numjobs), - .help = "Duplicate this job this many times", - .def = "1", - }, - { - .name = "startdelay", - .type = FIO_OPT_INT, - .off1 = td_var_offset(start_delay), - .help = "Only start job when this period has passed", - .def = "0", - }, - { - .name = "runtime", - .alias = "timeout", - .type = FIO_OPT_STR_VAL_TIME, - .off1 = td_var_offset(timeout), - .help = "Stop workload when this amount of time has passed", - .def = "0", - }, - { - .name = "mem", - .type = FIO_OPT_STR, - .cb = str_mem_cb, - .off1 = td_var_offset(mem_type), - .help = "Backing type for IO buffers", - .def = "malloc", - .posval = { - { .ival = "malloc", .oval = MEM_MALLOC }, - { .ival = "shm", .oval = MEM_SHM }, -#ifdef FIO_HAVE_HUGETLB - { .ival = "shmhuge", .oval = MEM_SHMHUGE }, -#endif - { .ival = "mmap", .oval = MEM_MMAP }, -#ifdef FIO_HAVE_HUGETLB - { .ival = "mmaphuge", .oval = MEM_MMAPHUGE }, -#endif - }, - }, - { - .name = "verify", - .type = FIO_OPT_STR, - .off1 = td_var_offset(verify), - .help = "Verify sum function", - .def = "0", - .posval = { - { .ival = "0", .oval = VERIFY_NONE }, - { .ival = "crc32", .oval = VERIFY_CRC32 }, - { .ival = "md5", .oval = VERIFY_MD5 }, - }, - }, - { - .name = "write_iolog", - .type = FIO_OPT_STR_STORE, - .off1 = td_var_offset(write_iolog_file), - .help = "Store IO pattern to file", - }, - { - .name = "read_iolog", - .type = FIO_OPT_STR_STORE, - .off1 = td_var_offset(read_iolog_file), - .help = "Playback IO pattern from file", - }, - { - .name = "exec_prerun", - .type = FIO_OPT_STR_STORE, - .off1 = td_var_offset(exec_prerun), - .help = "Execute this file prior to running job", - }, - { - .name = "exec_postrun", - .type = FIO_OPT_STR_STORE, - .off1 = td_var_offset(exec_postrun), - .help = "Execute this file after running job", - }, -#ifdef FIO_HAVE_IOSCHED_SWITCH - { - .name = "ioscheduler", - .type = FIO_OPT_STR_STORE, - .off1 = td_var_offset(ioscheduler), - .help = "Use this IO scheduler on the backing device", - }, -#endif - { - .name = "zonesize", - .type = FIO_OPT_STR_VAL, - .off1 = td_var_offset(zone_size), - .help = "Give size of an IO zone", - .def = "0", - }, - { - .name = "zoneskip", - .type = FIO_OPT_STR_VAL, - .off1 = td_var_offset(zone_skip), - .help = "Space between IO zones", - .def = "0", - }, - { - .name = "lockmem", - .type = FIO_OPT_STR_VAL, - .cb = str_lockmem_cb, - .help = "Lock down this amount of memory", - .def = "0", - }, - { - .name = "rwmixcycle", - .type = FIO_OPT_INT, - .off1 = td_var_offset(rwmixcycle), - .help = "Cycle period for mixed read/write workloads (msec)", - .def = "500", - }, - { - .name = "rwmixread", - .type = FIO_OPT_INT, - .off1 = td_var_offset(rwmixread), - .maxval = 100, - .help = "Percentage of mixed workload that is reads", - .def = "50", - }, - { - .name = "rwmixwrite", - .type = FIO_OPT_INT, - .off1 = td_var_offset(rwmixwrite), - .maxval = 100, - .help = "Percentage of mixed workload that is writes", - .def = "50", - }, - { - .name = "nice", - .type = FIO_OPT_INT, - .off1 = td_var_offset(nice), - .help = "Set job CPU nice value", - .minval = -19, - .maxval = 20, - .def = "0", - }, -#ifdef FIO_HAVE_IOPRIO - { - .name = "prio", - .type = FIO_OPT_INT, - .cb = str_prio_cb, - .help = "Set job IO priority value", - .minval = 0, - .maxval = 7, - }, - { - .name = "prioclass", - .type = FIO_OPT_INT, - .cb = str_prioclass_cb, - .help = "Set job IO priority class", - .minval = 0, - .maxval = 3, - }, -#endif - { - .name = "thinktime", - .type = FIO_OPT_INT, - .off1 = td_var_offset(thinktime), - .help = "Idle time between IO buffers (usec)", - .def = "0", - }, - { - .name = "thinktime_spin", - .type = FIO_OPT_INT, - .off1 = td_var_offset(thinktime_spin), - .help = "Start think time by spinning this amount (usec)", - .def = "0", - }, - { - .name = "thinktime_blocks", - .type = FIO_OPT_INT, - .off1 = td_var_offset(thinktime_blocks), - .help = "IO buffer period between 'thinktime'", - .def = "1", - }, - { - .name = "rate", - .type = FIO_OPT_INT, - .off1 = td_var_offset(rate), - .help = "Set bandwidth rate", - }, - { - .name = "ratemin", - .type = FIO_OPT_INT, - .off1 = td_var_offset(ratemin), - .help = "The bottom limit accepted", - }, - { - .name = "ratecycle", - .type = FIO_OPT_INT, - .off1 = td_var_offset(ratecycle), - .help = "Window average for rate limits (msec)", - .def = "1000", - }, - { - .name = "invalidate", - .type = FIO_OPT_BOOL, - .off1 = td_var_offset(invalidate_cache), - .help = "Invalidate buffer/page cache prior to running job", - .def = "1", - }, - { - .name = "sync", - .type = FIO_OPT_BOOL, - .off1 = td_var_offset(sync_io), - .help = "Use O_SYNC for buffered writes", - .def = "0", - }, - { - .name = "bwavgtime", - .type = FIO_OPT_INT, - .off1 = td_var_offset(bw_avg_time), - .help = "Time window over which to calculate bandwidth (msec)", - .def = "500", - }, - { - .name = "create_serialize", - .type = FIO_OPT_BOOL, - .off1 = td_var_offset(create_serialize), - .help = "Serialize creating of job files", - .def = "1", - }, - { - .name = "create_fsync", - .type = FIO_OPT_BOOL, - .off1 = td_var_offset(create_fsync), - .help = "Fsync file after creation", - .def = "1", - }, - { - .name = "cpuload", - .type = FIO_OPT_INT, - .off1 = td_var_offset(cpuload), - .help = "Use this percentage of CPU", - }, - { - .name = "cpuchunks", - .type = FIO_OPT_INT, - .off1 = td_var_offset(cpucycle), - .help = "Length of the CPU burn cycles (usecs)", - .def = "50000", - }, -#ifdef FIO_HAVE_CPU_AFFINITY - { - .name = "cpumask", - .type = FIO_OPT_INT, - .cb = str_cpumask_cb, - .help = "CPU affinity mask", - }, -#endif - { - .name = "end_fsync", - .type = FIO_OPT_BOOL, - .off1 = td_var_offset(end_fsync), - .help = "Include fsync at the end of job", - .def = "0", - }, - { - .name = "unlink", - .type = FIO_OPT_BOOL, - .off1 = td_var_offset(unlink), - .help = "Unlink created files after job has completed", - .def = "0", - }, - { - .name = "exitall", - .type = FIO_OPT_STR_SET, - .cb = str_exitall_cb, - .help = "Terminate all jobs when one exits", - }, - { - .name = "stonewall", - .type = FIO_OPT_STR_SET, - .off1 = td_var_offset(stonewall), - .help = "Insert a hard barrier between this job and previous", - }, - { - .name = "thread", - .type = FIO_OPT_STR_SET, - .off1 = td_var_offset(use_thread), - .help = "Use threads instead of forks", - }, - { - .name = "write_bw_log", - .type = FIO_OPT_STR_SET, - .off1 = td_var_offset(write_bw_log), - .help = "Write log of bandwidth during run", - }, - { - .name = "write_lat_log", - .type = FIO_OPT_STR_SET, - .off1 = td_var_offset(write_lat_log), - .help = "Write log of latency during run", - }, - { - .name = "hugepage-size", - .type = FIO_OPT_STR_VAL, - .off1 = td_var_offset(hugepage_size), - .help = "When using hugepages, specify size of each page", - .def = __stringify(FIO_HUGE_PAGE), - }, - { - .name = "group_reporting", - .type = FIO_OPT_STR_SET, - .off1 = td_var_offset(group_reporting), - .help = "Do reporting on a per-group basis", - }, - { - .name = NULL, - }, -}; +int write_bw_log = 0; + +static int def_timeout = 0; +static int write_lat_log = 0; -#define FIO_JOB_OPTS (sizeof(options) / sizeof(struct fio_option)) -#define FIO_CMD_OPTS (16) -#define FIO_GETOPT_JOB (0x89988998) +static int prev_group_jobs; /* * Command line options. These will contain the above, plus a few * extra that only pertain to fio itself and not jobs. */ -static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { +static struct option long_options[FIO_NR_OPTIONS] = { { .name = "output", .has_arg = required_argument, @@ -599,30 +86,16 @@ static struct option long_options[FIO_JOB_OPTS + FIO_CMD_OPTS] = { .has_arg = optional_argument, .val = 'c', }, + { + .name = "showcmd", + .has_arg = no_argument, + .val = 's' + }, { .name = NULL, }, }; -static int def_timeout = 0; - -static char fio_version_string[] = "fio 1.13"; - -static char **ini_file; -static int max_jobs = MAX_JOBS; - -struct thread_data def_thread; -struct thread_data *threads = NULL; - -int exitall_on_terminate = 0; -int terse_output = 0; -unsigned long long mlock_size = 0; -FILE *f_out = NULL; -FILE *f_err = NULL; - -static int write_lat_log = 0; -int write_bw_log = 0; - FILE *get_f_out() { return f_out; @@ -648,6 +121,9 @@ static struct thread_data *get_new_job(int global, struct thread_data *parent) td = &threads[thread_number++]; *td = *parent; + dup_files(td, parent); + options_mem_dupe(td); + td->thread_number = thread_number; return td; } @@ -658,102 +134,152 @@ static void put_job(struct thread_data *td) return; if (td->error) - fprintf(f_out, "fio: %s\n", td->verror); + log_info("fio: %s\n", td->verror); memset(&threads[td->thread_number - 1], 0, sizeof(*td)); thread_number--; } +static int setup_rate(struct thread_data *td) +{ + unsigned long nr_reads_per_msec; + unsigned long long rate; + unsigned int bs; + + if (!td->o.rate && !td->o.rate_iops) + return 0; + + if (td_rw(td)) + bs = td->o.rw_min_bs; + else if (td_read(td)) + bs = td->o.min_bs[DDIR_READ]; + else + bs = td->o.min_bs[DDIR_WRITE]; + + if (td->o.rate) { + rate = td->o.rate; + nr_reads_per_msec = (rate * 1024 * 1000LL) / bs; + } else + nr_reads_per_msec = td->o.rate_iops * 1000UL; + + if (!nr_reads_per_msec) { + log_err("rate lower than supported\n"); + return -1; + } + + td->rate_usec_cycle = 1000000000ULL / nr_reads_per_msec; + td->rate_pending_usleep = 0; + return 0; +} + /* * Lazy way of fixing up options that depend on each other. We could also * define option callback handlers, but this is easier. */ -static void fixup_options(struct thread_data *td) +static int fixup_options(struct thread_data *td) { - if (!td->rwmixread && td->rwmixwrite) - td->rwmixread = 100 - td->rwmixwrite; + struct thread_options *o = &td->o; - if (td->write_iolog_file && td->read_iolog_file) { + if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100) + o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ]; + + if (o->write_iolog_file && o->read_iolog_file) { log_err("fio: read iolog overrides write_iolog\n"); - free(td->write_iolog_file); - td->write_iolog_file = NULL; + free(o->write_iolog_file); + o->write_iolog_file = NULL; } if (td->io_ops->flags & FIO_SYNCIO) - td->iodepth = 1; + o->iodepth = 1; else { - if (!td->iodepth) - td->iodepth = td->open_files; + if (!o->iodepth) + o->iodepth = o->open_files; } /* * only really works for sequential io for now, and with 1 file */ - if (td->zone_size && td_random(td) && td->open_files == 1) - td->zone_size = 0; + if (o->zone_size && td_random(td) && o->open_files == 1) + o->zone_size = 0; /* * Reads can do overwrites, we always need to pre-create the file */ if (td_read(td) || td_rw(td)) - td->overwrite = 1; + o->overwrite = 1; + + if (!o->min_bs[DDIR_READ]) + o->min_bs[DDIR_READ]= o->bs[DDIR_READ]; + if (!o->max_bs[DDIR_READ]) + o->max_bs[DDIR_READ] = o->bs[DDIR_READ]; + if (!o->min_bs[DDIR_WRITE]) + o->min_bs[DDIR_WRITE]= o->bs[DDIR_WRITE]; + if (!o->max_bs[DDIR_WRITE]) + o->max_bs[DDIR_WRITE] = o->bs[DDIR_WRITE]; - if (!td->min_bs[DDIR_READ]) - td->min_bs[DDIR_READ]= td->bs[DDIR_READ]; - if (!td->max_bs[DDIR_READ]) - td->max_bs[DDIR_READ] = td->bs[DDIR_READ]; - if (!td->min_bs[DDIR_WRITE]) - td->min_bs[DDIR_WRITE]= td->bs[DDIR_WRITE]; - if (!td->max_bs[DDIR_WRITE]) - td->max_bs[DDIR_WRITE] = td->bs[DDIR_WRITE]; + o->rw_min_bs = min(o->min_bs[DDIR_READ], o->min_bs[DDIR_WRITE]); - td->rw_min_bs = min(td->min_bs[DDIR_READ], td->min_bs[DDIR_WRITE]); + if (!o->file_size_high) + o->file_size_high = o->file_size_low; if (td_read(td) && !td_rw(td)) - td->verify = 0; + o->verify = 0; - if (td->norandommap && td->verify != VERIFY_NONE) { + if (o->norandommap && o->verify != VERIFY_NONE) { log_err("fio: norandommap given, verify disabled\n"); - td->verify = VERIFY_NONE; + o->verify = VERIFY_NONE; } - if (td->bs_unaligned && (td->odirect || td->io_ops->flags & FIO_RAWIO)) + if (o->bs_unaligned && (o->odirect || td->io_ops->flags & FIO_RAWIO)) log_err("fio: bs_unaligned may not work with raw io\n"); - /* - * O_DIRECT and char doesn't mix, clear that flag if necessary. - */ - if (td->filetype == FIO_TYPE_CHAR && td->odirect) - td->odirect = 0; - /* * thinktime_spin must be less than thinktime */ - if (td->thinktime_spin > td->thinktime) - td->thinktime_spin = td->thinktime; + if (o->thinktime_spin > o->thinktime) + o->thinktime_spin = o->thinktime; /* * The low water mark cannot be bigger than the iodepth */ - if (td->iodepth_low > td->iodepth || !td->iodepth_low) { + if (o->iodepth_low > o->iodepth || !o->iodepth_low) { /* * syslet work around - if the workload is sequential, * we want to let the queue drain all the way down to * avoid seeking between async threads */ if (!strcmp(td->io_ops->name, "syslet-rw") && !td_random(td)) - td->iodepth_low = 1; + o->iodepth_low = 1; else - td->iodepth_low = td->iodepth; + o->iodepth_low = o->iodepth; } /* * If batch number isn't set, default to the same as iodepth */ - if (td->iodepth_batch > td->iodepth || !td->iodepth_batch) - td->iodepth_batch = td->iodepth; + if (o->iodepth_batch > o->iodepth || !o->iodepth_batch) + o->iodepth_batch = o->iodepth; + + if (o->nr_files > td->files_index) + o->nr_files = td->files_index; + + if (o->open_files > o->nr_files || !o->open_files) + o->open_files = o->nr_files; + + if ((o->rate && o->rate_iops) || (o->ratemin && o->rate_iops_min)) { + log_err("fio: rate and rate_iops are mutually exclusive\n"); + return 1; + } + if ((o->rate < o->ratemin) || (o->rate_iops < o->rate_iops_min)) { + log_err("fio: minimum rate exceeds rate\n"); + return 1; + } - if (td->open_files > td->nr_files || !td->open_files) - td->open_files = td->nr_files; + if (!o->timeout && o->time_based) { + log_err("fio: time_based requires a runtime/timeout setting\n"); + o->time_based = 0; + } + + return 0; } /* @@ -791,6 +317,61 @@ static const char *get_engine_name(const char *str) return p; } +static int exists_and_not_file(const char *filename) +{ + struct stat sb; + + if (lstat(filename, &sb) == -1) + return 0; + + if (S_ISREG(sb.st_mode)) + return 0; + + return 1; +} + +/* + * Initialize the various random states we need (random io, block size ranges, + * read/write mix, etc). + */ +static int init_random_state(struct thread_data *td) +{ + unsigned long seeds[6]; + int fd; + + fd = open("/dev/urandom", O_RDONLY); + if (fd == -1) { + td_verror(td, errno, "open"); + return 1; + } + + if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { + td_verror(td, EIO, "read"); + close(fd); + return 1; + } + + close(fd); + + os_random_seed(seeds[0], &td->bsrange_state); + os_random_seed(seeds[1], &td->verify_state); + os_random_seed(seeds[2], &td->rwmix_state); + + if (td->o.file_service_type == FIO_FSERVICE_RANDOM) + os_random_seed(seeds[3], &td->next_file_state); + + os_random_seed(seeds[5], &td->file_size_state); + + if (!td_random(td)) + return 0; + + if (td->o.rand_repeatable) + seeds[4] = FIO_RANDSEED * td->thread_number; + + os_random_seed(seeds[4], &td->random_state); + return 0; +} + /* * Adds a job to the list of things todo. Sanitizes the various options * to make sure we don't have conflicts, and initializes various @@ -800,11 +381,10 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num) { const char *ddir_str[] = { NULL, "read", "write", "rw", NULL, "randread", "randwrite", "randrw" }; - struct stat sb; - int numjobs, i; - struct fio_file *f; + unsigned int i; const char *engine; - int fn_given; + char fname[PATH_MAX]; + int numjobs, file_alloced; /* * the def_thread is just for options, it's not a real job @@ -812,121 +392,98 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num) if (td == &def_thread) return 0; - engine = get_engine_name(td->ioengine); + /* + * if we are just dumping the output command line, don't add the job + */ + if (dump_cmdline) { + put_job(td); + return 0; + } + + engine = get_engine_name(td->o.ioengine); td->io_ops = load_ioengine(td, engine); if (!td->io_ops) { log_err("fio: failed to load engine %s\n", engine); - return 1; + goto err; } - if (td->use_thread) + if (td->o.use_thread) nr_thread++; else nr_process++; - if (td->odirect) + if (td->o.odirect) td->io_ops->flags |= FIO_RAWIO; - fn_given = (int) td->filename; - if (!td->filename) - td->filename = strdup(jobname); - - td->filetype = FIO_TYPE_FILE; - if (!lstat(td->filename, &sb)) { - if (S_ISBLK(sb.st_mode)) - td->filetype = FIO_TYPE_BD; - else if (S_ISCHR(sb.st_mode)) - td->filetype = FIO_TYPE_CHAR; - } - - fixup_options(td); + file_alloced = 0; + if (!td->o.filename && !td->files_index) { + file_alloced = 1; - if (td->filename) - td->nr_uniq_files = 1; - else - td->nr_uniq_files = td->open_files; - - if (td->filetype == FIO_TYPE_FILE) { - char tmp[PATH_MAX]; - int len = 0; - - if (td->directory && td->directory[0] != '\0') { - if (lstat(td->directory, &sb) < 0) { - log_err("fio: %s is not a directory\n", td->directory); - td_verror(td, errno, "lstat"); - return 1; - } - if (!S_ISDIR(sb.st_mode)) { - log_err("fio: %s is not a directory\n", td->directory); - return 1; + if (td->o.nr_files == 1 && exists_and_not_file(jobname)) + add_file(td, jobname); + else { + for (i = 0; i < td->o.nr_files; i++) { + sprintf(fname, "%s.%d.%d", jobname, td->thread_number, i); + add_file(td, fname); } - len = sprintf(tmp, "%s/", td->directory); } + } - td->files = malloc(sizeof(struct fio_file) * td->open_files); + if (fixup_options(td)) + goto err; - for_each_file(td, f, i) { - memset(f, 0, sizeof(*f)); - f->fd = -1; + if (td->io_ops->flags & FIO_DISKLESSIO) { + struct fio_file *f; - if (fn_given) - sprintf(tmp + len, "%s", td->filename); - else - sprintf(tmp + len, "%s.%d.%d", td->filename, td->thread_number, i); - f->file_name = strdup(tmp); - } - } else { - td->open_files = td->nr_files = 1; - td->files = malloc(sizeof(struct fio_file)); - f = &td->files[0]; - - memset(f, 0, sizeof(*f)); - f->fd = -1; - f->file_name = strdup(jobname); + for_each_file(td, f, i) + f->real_file_size = -1ULL; } - for_each_file(td, f, i) { - f->file_size = td->total_file_size / td->nr_files; - f->file_offset = td->start_offset; - } - td->mutex = fio_sem_init(0); td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX; td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX; td->ts.bw_stat[0].min_val = td->ts.bw_stat[1].min_val = ULONG_MAX; + td->ddir_nr = td->o.ddir_nr; - if (td->stonewall && td->thread_number > 1) + if ((td->o.stonewall || td->o.numjobs > 1 || td->o.new_group) + && prev_group_jobs) { + prev_group_jobs = 0; groupid++; + } td->groupid = groupid; + prev_group_jobs++; + + if (init_random_state(td)) + goto err; if (setup_rate(td)) goto err; - if (td->write_lat_log) { + if (td->o.write_lat_log) { setup_log(&td->ts.slat_log); setup_log(&td->ts.clat_log); } - if (td->write_bw_log) + if (td->o.write_bw_log) setup_log(&td->ts.bw_log); - if (!td->name) - td->name = strdup(jobname); + if (!td->o.name) + td->o.name = strdup(jobname); if (!terse_output) { if (!job_add_num) { if (!strcmp(td->io_ops->name, "cpuio")) - fprintf(f_out, "%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->name, td->cpuload, td->cpucycle); + log_info("%s: ioengine=cpu, cpuload=%u, cpucycle=%u\n", td->o.name, td->o.cpuload, td->o.cpucycle); else { char *c1, *c2, *c3, *c4; - c1 = to_kmg(td->min_bs[DDIR_READ]); - c2 = to_kmg(td->max_bs[DDIR_READ]); - c3 = to_kmg(td->min_bs[DDIR_WRITE]); - c4 = to_kmg(td->max_bs[DDIR_WRITE]); + c1 = to_kmg(td->o.min_bs[DDIR_READ]); + c2 = to_kmg(td->o.max_bs[DDIR_READ]); + c3 = to_kmg(td->o.min_bs[DDIR_WRITE]); + c4 = to_kmg(td->o.max_bs[DDIR_WRITE]); - fprintf(f_out, "%s: (g=%d): rw=%s, bs=%s-%s/%s-%s, ioengine=%s, iodepth=%u\n", td->name, td->groupid, ddir_str[td->td_ddir], c1, c2, c3, c4, td->io_ops->name, td->iodepth); + log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s, ioengine=%s, iodepth=%u\n", td->o.name, td->groupid, ddir_str[td->o.td_ddir], c1, c2, c3, c4, td->io_ops->name, td->o.iodepth); free(c1); free(c2); @@ -934,105 +491,42 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num) free(c4); } } else if (job_add_num == 1) - fprintf(f_out, "...\n"); + log_info("...\n"); } /* * recurse add identical jobs, clear numjobs and stonewall options * as they don't apply to sub-jobs */ - numjobs = td->numjobs; + numjobs = td->o.numjobs; while (--numjobs) { struct thread_data *td_new = get_new_job(0, td); if (!td_new) goto err; - td_new->numjobs = 1; - td_new->stonewall = 0; + td_new->o.numjobs = 1; + td_new->o.stonewall = 0; + td_new->o.new_group = 0; + + if (file_alloced) { + td_new->o.filename = NULL; + td_new->files_index = 0; + td_new->files = NULL; + } + job_add_num = numjobs - 1; if (add_job(td_new, jobname, job_add_num)) goto err; } + return 0; err: put_job(td); return -1; } -/* - * Initialize the various random states we need (random io, block size ranges, - * read/write mix, etc). - */ -int init_random_state(struct thread_data *td) -{ - unsigned long seeds[5]; - int fd, num_maps, blocks, i; - struct fio_file *f; - - if (td->io_ops->flags & FIO_DISKLESSIO) - return 0; - - fd = open("/dev/urandom", O_RDONLY); - if (fd == -1) { - td_verror(td, errno, "open"); - return 1; - } - - if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) { - td_verror(td, EIO, "read"); - close(fd); - return 1; - } - - close(fd); - - os_random_seed(seeds[0], &td->bsrange_state); - os_random_seed(seeds[1], &td->verify_state); - os_random_seed(seeds[2], &td->rwmix_state); - - if (td->file_service_type == FIO_FSERVICE_RANDOM) - os_random_seed(seeds[3], &td->next_file_state); - - if (!td_random(td)) - return 0; - - if (td->rand_repeatable) - seeds[4] = FIO_RANDSEED * td->thread_number; - - if (!td->norandommap) { - for_each_file(td, f, i) { - blocks = (f->real_file_size + td->rw_min_bs - 1) / td->rw_min_bs; - num_maps = (blocks + BLOCKS_PER_MAP-1)/ BLOCKS_PER_MAP; - f->file_map = malloc(num_maps * sizeof(long)); - if (!f->file_map) { - log_err("fio: failed allocating random map. If running a large number of jobs, try the 'norandommap' option\n"); - return 1; - } - f->num_maps = num_maps; - memset(f->file_map, 0, num_maps * sizeof(long)); - } - } - - os_random_seed(seeds[4], &td->random_state); - return 0; -} - -static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) -{ -#ifdef FIO_HAVE_CPU_AFFINITY - unsigned int i; - - CPU_ZERO(&cpumask); - - for (i = 0; i < sizeof(int) * 8; i++) { - if ((1 << i) & cpu) - CPU_SET(i, &cpumask); - } -#endif -} - static int is_empty_or_comment(char *line) { unsigned int i; @@ -1049,87 +543,6 @@ static int is_empty_or_comment(char *line) return 1; } -/* - * Check if mmap/mmaphuge has a :/foo/bar/file at the end. If so, return that. - */ -static char *get_opt_postfix(const char *str) -{ - char *p = strstr(str, ":"); - - if (!p) - return NULL; - - p++; - strip_blank_front(&p); - strip_blank_end(p); - return strdup(p); -} - -static int str_mem_cb(void *data, const char *mem) -{ - struct thread_data *td = data; - - if (td->mem_type == MEM_MMAPHUGE || td->mem_type == MEM_MMAP) { - td->mmapfile = get_opt_postfix(mem); - if (td->mem_type == MEM_MMAPHUGE && !td->mmapfile) { - log_err("fio: mmaphuge:/path/to/file\n"); - return 1; - } - } - - return 0; -} - -static int str_lockmem_cb(void fio_unused *data, unsigned long *val) -{ - mlock_size = *val; - return 0; -} - -#ifdef FIO_HAVE_IOPRIO -static int str_prioclass_cb(void *data, unsigned int *val) -{ - struct thread_data *td = data; - - td->ioprio |= *val << IOPRIO_CLASS_SHIFT; - return 0; -} - -static int str_prio_cb(void *data, unsigned int *val) -{ - struct thread_data *td = data; - - td->ioprio |= *val; - return 0; -} -#endif - -static int str_exitall_cb(void) -{ - exitall_on_terminate = 1; - return 0; -} - -static int str_cpumask_cb(void *data, unsigned int *val) -{ - struct thread_data *td = data; - - fill_cpu_mask(td->cpumask, *val); - return 0; -} - -static int str_fst_cb(void *data, const char *str) -{ - struct thread_data *td = data; - char *nr = get_opt_postfix(str); - - td->file_service_nr = 1; - if (nr) - td->file_service_nr = atoi(nr); - - return 0; -} - /* * This is our [ini] type file parser. */ @@ -1142,6 +555,7 @@ static int parse_jobs_ini(char *file, int stonewall_flag) FILE *f; char *p; int ret = 0, stonewall; + int first_sect = 1; f = fopen(file, "r"); if (!f) { @@ -1158,15 +572,29 @@ static int parse_jobs_ini(char *file, int stonewall_flag) p = fgets(string, 4095, f); if (!p) break; + + strip_blank_front(&p); + strip_blank_end(p); + if (is_empty_or_comment(p)) continue; - if (sscanf(p, "[%255s]", name) != 1) + if (sscanf(p, "[%255s]", name) != 1) { + log_err("fio: option <%s> outside of job section\n", p); continue; + } global = !strncmp(name, "global", 6); name[strlen(name) - 1] = '\0'; + if (dump_cmdline) { + if (first_sect) + log_info("fio "); + if (!global) + log_info("--name=%s ", name); + first_sect = 0; + } + td = get_new_job(global, &def_thread); if (!td) { ret = 1; @@ -1177,7 +605,7 @@ static int parse_jobs_ini(char *file, int stonewall_flag) * Seperate multiple job files by a stonewall */ if (!global && stonewall) { - td->stonewall = stonewall; + td->o.stonewall = stonewall; stonewall = 0; } @@ -1200,7 +628,9 @@ static int parse_jobs_ini(char *file, int stonewall_flag) * dump all the bad ones. Makes trial/error fixups * easier on the user. */ - ret |= parse_option(p, options, td); + ret |= fio_option_parse(td, p); + if (!ret && dump_cmdline) + log_info("--%s ", p); } if (!ret) { @@ -1212,6 +642,9 @@ static int parse_jobs_ini(char *file, int stonewall_flag) } } while (!ret); + if (dump_cmdline) + log_info("\n"); + free(string); free(name); fclose(f); @@ -1222,7 +655,7 @@ static int fill_def_thread(void) { memset(&def_thread, 0, sizeof(def_thread)); - if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { + if (fio_getaffinity(getpid(), &def_thread.o.cpumask) == -1) { perror("sched_getaffinity"); return 1; } @@ -1230,16 +663,61 @@ static int fill_def_thread(void) /* * fill default options */ - fill_default_options(&def_thread, options); + fio_fill_default_options(&def_thread); - def_thread.timeout = def_timeout; - def_thread.write_bw_log = write_bw_log; - def_thread.write_lat_log = write_lat_log; + def_thread.o.timeout = def_timeout; + def_thread.o.write_bw_log = write_bw_log; + def_thread.o.write_lat_log = write_lat_log; + + return 0; +} -#ifdef FIO_HAVE_DISK_UTIL - def_thread.do_disk_util = 1; -#endif +static void free_shm(void) +{ + struct shmid_ds sbuf; + if (threads) { + shmdt((void *) threads); + threads = NULL; + shmctl(shm_id, IPC_RMID, &sbuf); + } +} + +/* + * The thread area is shared between the main process and the job + * threads/processes. So setup a shared memory segment that will hold + * all the job info. + */ +static int setup_thread_area(void) +{ + /* + * 1024 is too much on some machines, scale max_jobs if + * we get a failure that looks like too large a shm segment + */ + do { + size_t size = max_jobs * sizeof(struct thread_data); + + shm_id = shmget(0, size, IPC_CREAT | 0600); + if (shm_id != -1) + break; + if (errno != EINVAL) { + perror("shmget"); + break; + } + + max_jobs >>= 1; + } while (max_jobs); + + if (shm_id == -1) + return 1; + + threads = shmat(shm_id, NULL, 0); + if (threads == (void *) -1) { + perror("shmat"); + return 1; + } + + atexit(free_shm); return 0; } @@ -1254,6 +732,7 @@ static void usage(void) printf("\t--version\tPrint version info and exit\n"); printf("\t--help\t\tPrint this page\n"); printf("\t--cmdhelp=cmd\tPrint command help, \"all\" for all of them\n"); + printf("\t--showcmd\tTurn a job file into command line options\n"); } static int parse_cmd_line(int argc, char *argv[]) @@ -1287,8 +766,10 @@ static int parse_cmd_line(int argc, char *argv[]) usage(); exit(0); case 'c': - ret = show_cmd_help(options, optarg); - exit(ret); + exit(fio_show_option_help(optarg)); + case 's': + dump_cmdline = 1; + break; case 'v': printf("%s\n", fio_version_string); exit(0); @@ -1297,7 +778,7 @@ static int parse_cmd_line(int argc, char *argv[]) char *val = optarg; if (!strncmp(opt, "name", 4) && td) { - ret = add_job(td, td->name ?: "fio", 0); + ret = add_job(td, td->o.name ?: "fio", 0); if (ret) { put_job(td); return 0; @@ -1305,14 +786,18 @@ static int parse_cmd_line(int argc, char *argv[]) td = NULL; } if (!td) { - int global = !strncmp(val, "global", 6); + int global = 0; + + if (strncmp(opt, "name", 4) || + !strncmp(val, "global", 6)) + global = 1; td = get_new_job(global, &def_thread); if (!td) return 0; } - ret = parse_cmd_option(opt, val, options, td); + ret = fio_cmd_option_parse(td, opt, val); if (ret) dont_add_job = 1; break; @@ -1326,7 +811,7 @@ static int parse_cmd_line(int argc, char *argv[]) if (dont_add_job) put_job(td); else { - ret = add_job(td, td->name ?: "fio", 0); + ret = add_job(td, td->o.name ?: "fio", 0); if (ret) put_job(td); } @@ -1342,82 +827,6 @@ static int parse_cmd_line(int argc, char *argv[]) return ini_idx; } -static void free_shm(void) -{ - struct shmid_ds sbuf; - - if (threads) { - shmdt((void *) threads); - threads = NULL; - shmctl(shm_id, IPC_RMID, &sbuf); - } -} - -/* - * The thread area is shared between the main process and the job - * threads/processes. So setup a shared memory segment that will hold - * all the job info. - */ -static int setup_thread_area(void) -{ - /* - * 1024 is too much on some machines, scale max_jobs if - * we get a failure that looks like too large a shm segment - */ - do { - size_t size = max_jobs * sizeof(struct thread_data); - - shm_id = shmget(0, size, IPC_CREAT | 0600); - if (shm_id != -1) - break; - if (errno != EINVAL) { - perror("shmget"); - break; - } - - max_jobs >>= 1; - } while (max_jobs); - - if (shm_id == -1) - return 1; - - threads = shmat(shm_id, NULL, 0); - if (threads == (void *) -1) { - perror("shmat"); - return 1; - } - - atexit(free_shm); - return 0; -} - -/* - * Copy the fio options into the long options map, so we mirror - * job and cmd line options. - */ -static void dupe_job_options(void) -{ - struct fio_option *o; - unsigned int i; - - i = 0; - while (long_options[i].name) - i++; - - o = &options[0]; - while (o->name) { - long_options[i].name = o->name; - long_options[i].val = FIO_GETOPT_JOB; - if (o->type == FIO_OPT_STR_SET) - long_options[i].has_arg = no_argument; - else - long_options[i].has_arg = required_argument; - - i++; - o++; - assert(i < FIO_JOB_OPTS + FIO_CMD_OPTS); - } -} int parse_options(int argc, char *argv[]) { @@ -1426,9 +835,7 @@ int parse_options(int argc, char *argv[]) f_out = stdout; f_err = stderr; - options_init(options); - - dupe_job_options(); + fio_options_dup_and_init(long_options); if (setup_thread_area()) return 1; @@ -1446,8 +853,12 @@ int parse_options(int argc, char *argv[]) } free(ini_file); + options_mem_free(&def_thread); if (!thread_number) { + if (dump_cmdline) + return 0; + log_err("No jobs defined(s)\n"); return 1; }