genfio: Splitting gen_template in 2 parts
[fio.git] / init.c
diff --git a/init.c b/init.c
index 347d1e9174e0bac33c2469c04219b22bcd285275..70b56e38f21b5dab4c1789234d3ee226acabaed5 100644 (file)
--- a/init.c
+++ b/init.c
@@ -9,13 +9,14 @@
 #include <string.h>
 #include <errno.h>
 #include <sys/ipc.h>
-#ifndef FIO_NO_HAVE_SHM_H
-#include <sys/shm.h>
-#endif
 #include <sys/types.h>
 #include <sys/stat.h>
 
 #include "fio.h"
+#ifndef FIO_NO_HAVE_SHM_H
+#include <sys/shm.h>
+#endif
+
 #include "parse.h"
 #include "smalloc.h"
 #include "filehash.h"
@@ -25,6 +26,7 @@
 #include "idletime.h"
 
 #include "lib/getopt.h"
+#include "lib/strcasestr.h"
 
 const char fio_version_string[] = FIO_VERSION;
 
@@ -34,6 +36,7 @@ static char **ini_file;
 static int max_jobs = FIO_MAX_JOBS;
 static int dump_cmdline;
 static int def_timeout;
+static int parse_only;
 
 static struct thread_data def_thread;
 struct thread_data *threads = NULL;
@@ -42,7 +45,6 @@ int exitall_on_terminate = 0;
 int output_format = FIO_OUTPUT_NORMAL;
 int eta_print = FIO_ETA_AUTO;
 int eta_new_line = 0;
-unsigned long long mlock_size = 0;
 FILE *f_out = NULL;
 FILE *f_err = NULL;
 char **job_sections = NULL;
@@ -56,6 +58,7 @@ int log_syslog = 0;
 
 int write_bw_log = 0;
 int read_only = 0;
+int status_interval = 0;
 
 static int write_lat_log;
 
@@ -121,9 +124,9 @@ static struct option l_opts[FIO_NR_OPTIONS] = {
                .val            = 'c' | FIO_CLIENT_FLAG,
        },
        {
-               .name              = (char *) "enghelp",
+               .name           = (char *) "enghelp",
                .has_arg        = optional_argument,
-               .val                = 'i' | FIO_CLIENT_FLAG,
+               .val            = 'i' | FIO_CLIENT_FLAG,
        },
        {
                .name           = (char *) "showcmd",
@@ -150,6 +153,11 @@ static struct option l_opts[FIO_NR_OPTIONS] = {
                .has_arg        = required_argument,
                .val            = 'd' | FIO_CLIENT_FLAG,
        },
+       {
+               .name           = (char *) "parse-only",
+               .has_arg        = no_argument,
+               .val            = 'P' | FIO_CLIENT_FLAG,
+       },
        {
                .name           = (char *) "section",
                .has_arg        = required_argument,
@@ -204,6 +212,11 @@ static struct option l_opts[FIO_NR_OPTIONS] = {
                .has_arg        = required_argument,
                .val            = 'I',
        },
+       {
+               .name           = (char *) "status-interval",
+               .has_arg        = required_argument,
+               .val            = 'L',
+       },
        {
                .name           = NULL,
        },
@@ -560,6 +573,13 @@ static int fixup_options(struct thread_data *td)
                }
        }
 
+       if (!o->unit_base) {
+               if (td->io_ops->flags & FIO_BIT_BASED)
+                       o->unit_base = 1;
+               else
+                       o->unit_base = 8;
+       }
+
 #ifndef CONFIG_FDATASYNC
        if (o->fdatasync_blocks) {
                log_info("fio: this platform does not support fdatasync()"
@@ -601,6 +621,14 @@ static int fixup_options(struct thread_data *td)
        if (td->o.random_distribution != FIO_RAND_DIST_RANDOM)
                td->o.norandommap = 1;
 
+       /*
+        * If size is set but less than the min block size, complain
+        */
+       if (o->size && o->size < td_min_bs(td)) {
+               log_err("fio: size too small, must be larger than the IO size: %llu\n", (unsigned long long) o->size);
+               ret = 1;
+       }
+
        return ret;
 }
 
@@ -673,6 +701,7 @@ static void td_fill_rand_seeds_os(struct thread_data *td)
                td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
 
        os_random_seed(td->rand_seeds[FIO_RAND_BLOCK_OFF], &td->random_state);
+       os_random_seed(td->rand_seeds[FIO_RAND_SEQ_RAND_OFF], &td->seq_rand_state);
 }
 
 static void td_fill_rand_seeds_internal(struct thread_data *td)
@@ -694,6 +723,7 @@ static void td_fill_rand_seeds_internal(struct thread_data *td)
                td->rand_seeds[FIO_RAND_BLOCK_OFF] = FIO_RANDSEED * td->thread_number;
 
        init_rand_seed(&td->__random_state, td->rand_seeds[FIO_RAND_BLOCK_OFF]);
+       init_rand_seed(&td->__seq_rand_state, td->rand_seeds[FIO_RAND_SEQ_RAND_OFF]);
 }
 
 void td_fill_rand_seeds(struct thread_data *td)
@@ -719,6 +749,10 @@ int ioengine_load(struct thread_data *td)
         */
        if (td->io_ops)
                return 0;
+       if (!td->o.ioengine) {
+               log_err("fio: internal fault, no IO engine specified\n");
+               return 1;
+       }
 
        engine = get_engine_name(td->o.ioengine);
        td->io_ops = load_ioengine(td, engine);
@@ -800,6 +834,82 @@ static int setup_random_seeds(struct thread_data *td)
        return 0;
 }
 
+enum {
+       FPRE_NONE = 0,
+       FPRE_JOBNAME,
+       FPRE_JOBNUM,
+       FPRE_FILENUM
+};
+
+static struct fpre_keyword {
+       const char *keyword;
+       size_t strlen;
+       int key;
+} fpre_keywords[] = {
+       { .keyword = "$jobname",        .key = FPRE_JOBNAME, },
+       { .keyword = "$jobnum",         .key = FPRE_JOBNUM, },
+       { .keyword = "$filenum",        .key = FPRE_FILENUM, },
+       { .keyword = NULL, },
+       };
+
+static char *make_filename(char *buf, struct thread_options *o,
+                          const char *jobname, int jobnum, int filenum)
+{
+       struct fpre_keyword *f;
+       char copy[PATH_MAX];
+
+       if (!o->filename_format || !strlen(o->filename_format)) {
+               sprintf(buf, "%s.%d.%d", jobname, jobnum, filenum);
+               return NULL;
+       }
+
+       for (f = &fpre_keywords[0]; f->keyword; f++)
+               f->strlen = strlen(f->keyword);
+
+       strcpy(buf, o->filename_format);
+       memset(copy, 0, sizeof(copy));
+       for (f = &fpre_keywords[0]; f->keyword; f++) {
+               do {
+                       size_t pre_len, post_start = 0;
+                       char *str, *dst = copy;
+
+                       str = strcasestr(buf, f->keyword);
+                       if (!str)
+                               break;
+
+                       pre_len = str - buf;
+                       if (strlen(str) != f->strlen)
+                               post_start = pre_len + f->strlen;
+
+                       if (pre_len) {
+                               strncpy(dst, buf, pre_len);
+                               dst += pre_len;
+                       }
+
+                       switch (f->key) {
+                       case FPRE_JOBNAME:
+                               dst += sprintf(dst, "%s", jobname);
+                               break;
+                       case FPRE_JOBNUM:
+                               dst += sprintf(dst, "%d", jobnum);
+                               break;
+                       case FPRE_FILENUM:
+                               dst += sprintf(dst, "%d", filenum);
+                               break;
+                       default:
+                               assert(0);
+                               break;
+                       }
+
+                       if (post_start)
+                               strcpy(dst, buf + post_start);
+
+                       strcpy(buf, copy);
+               } while (1);
+       }
+
+       return buf;
+}
 /*
  * Adds a job to the list of things todo. Sanitizes the various options
  * to make sure we don't have conflicts, and initializes various
@@ -811,6 +921,7 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
        unsigned int i;
        char fname[PATH_MAX];
        int numjobs, file_alloced;
+       struct thread_options *o = &td->o;
 
        /*
         * the def_thread is just for options, it's not a real job
@@ -823,7 +934,7 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
        /*
         * if we are just dumping the output command line, don't add the job
         */
-       if (dump_cmdline) {
+       if (dump_cmdline || parse_only) {
                put_job(td);
                return 0;
        }
@@ -836,21 +947,18 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
        if (ioengine_load(td))
                goto err;
 
-       if (td->o.odirect)
+       if (o->odirect)
                td->io_ops->flags |= FIO_RAWIO;
 
        file_alloced = 0;
-       if (!td->o.filename && !td->files_index && !td->o.read_iolog_file) {
+       if (!o->filename && !td->files_index && !o->read_iolog_file) {
                file_alloced = 1;
 
-               if (td->o.nr_files == 1 && exists_and_not_file(jobname))
+               if (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);
-                       }
+                       for (i = 0; i < o->nr_files; i++)
+                               add_file(td, make_filename(fname, o, jobname, td->thread_number, i));
                }
        }
 
@@ -875,9 +983,9 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
 
        td->mutex = fio_mutex_init(FIO_MUTEX_LOCKED);
 
-       td->ts.clat_percentiles = td->o.clat_percentiles;
-       td->ts.percentile_precision = td->o.percentile_precision;
-       memcpy(td->ts.percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
+       td->ts.clat_percentiles = o->clat_percentiles;
+       td->ts.percentile_precision = o->percentile_precision;
+       memcpy(td->ts.percentile_list, o->percentile_list, sizeof(o->percentile_list));
 
        for (i = 0; i < DDIR_RWDIR_CNT; i++) {
                td->ts.clat_stat[i].min_val = ULONG_MAX;
@@ -885,9 +993,9 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
                td->ts.lat_stat[i].min_val = ULONG_MAX;
                td->ts.bw_stat[i].min_val = ULONG_MAX;
        }
-       td->ddir_seq_nr = td->o.ddir_seq_nr;
+       td->ddir_seq_nr = o->ddir_seq_nr;
 
-       if ((td->o.stonewall || td->o.new_group) && prev_group_jobs) {
+       if ((o->stonewall || o->new_group) && prev_group_jobs) {
                prev_group_jobs = 0;
                groupid++;
        }
@@ -903,18 +1011,18 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
        if (setup_rate(td))
                goto err;
 
-       if (td->o.lat_log_file) {
-               setup_log(&td->lat_log, td->o.log_avg_msec, IO_LOG_TYPE_LAT);
-               setup_log(&td->slat_log, td->o.log_avg_msec, IO_LOG_TYPE_SLAT);
-               setup_log(&td->clat_log, td->o.log_avg_msec, IO_LOG_TYPE_CLAT);
+       if (o->lat_log_file) {
+               setup_log(&td->lat_log, o->log_avg_msec, IO_LOG_TYPE_LAT);
+               setup_log(&td->slat_log, o->log_avg_msec, IO_LOG_TYPE_SLAT);
+               setup_log(&td->clat_log, o->log_avg_msec, IO_LOG_TYPE_CLAT);
        }
-       if (td->o.bw_log_file)
-               setup_log(&td->bw_log, td->o.log_avg_msec, IO_LOG_TYPE_BW);
-       if (td->o.iops_log_file)
-               setup_log(&td->iops_log, td->o.log_avg_msec, IO_LOG_TYPE_IOPS);
+       if (o->bw_log_file)
+               setup_log(&td->bw_log, o->log_avg_msec, IO_LOG_TYPE_BW);
+       if (o->iops_log_file)
+               setup_log(&td->iops_log, o->log_avg_msec, IO_LOG_TYPE_IOPS);
 
-       if (!td->o.name)
-               td->o.name = strdup(jobname);
+       if (!o->name)
+               o->name = strdup(jobname);
 
        if (output_format == FIO_OUTPUT_NORMAL) {
                if (!job_add_num) {
@@ -924,20 +1032,19 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
                        if (!(td->io_ops->flags & FIO_NOIO)) {
                                char *c1, *c2, *c3, *c4, *c5, *c6;
 
-                               c1 = fio_uint_to_kmg(td->o.min_bs[DDIR_READ]);
-                               c2 = fio_uint_to_kmg(td->o.max_bs[DDIR_READ]);
-                               c3 = fio_uint_to_kmg(td->o.min_bs[DDIR_WRITE]);
-                               c4 = fio_uint_to_kmg(td->o.max_bs[DDIR_WRITE]);
-                               c5 = fio_uint_to_kmg(td->o.min_bs[DDIR_TRIM]);
-                               c6 = fio_uint_to_kmg(td->o.max_bs[DDIR_TRIM]);
+                               c1 = fio_uint_to_kmg(o->min_bs[DDIR_READ]);
+                               c2 = fio_uint_to_kmg(o->max_bs[DDIR_READ]);
+                               c3 = fio_uint_to_kmg(o->min_bs[DDIR_WRITE]);
+                               c4 = fio_uint_to_kmg(o->max_bs[DDIR_WRITE]);
+                               c5 = fio_uint_to_kmg(o->min_bs[DDIR_TRIM]);
+                               c6 = fio_uint_to_kmg(o->max_bs[DDIR_TRIM]);
 
                                log_info("%s: (g=%d): rw=%s, bs=%s-%s/%s-%s/%s-%s,"
                                         " ioengine=%s, iodepth=%u\n",
                                                td->o.name, td->groupid,
-                                               ddir_str(td->o.td_ddir),
+                                               ddir_str(o->td_ddir),
                                                c1, c2, c3, c4, c5, c6,
-                                               td->io_ops->name,
-                                               td->o.iodepth);
+                                               td->io_ops->name, o->iodepth);
 
                                free(c1);
                                free(c2);
@@ -954,7 +1061,7 @@ static int add_job(struct thread_data *td, const char *jobname, int job_add_num,
         * recurse add identical jobs, clear numjobs and stonewall options
         * as they don't apply to sub-jobs
         */
-       numjobs = td->o.numjobs;
+       numjobs = o->numjobs;
        while (--numjobs) {
                struct thread_data *td_new = get_new_job(0, td, 1);
 
@@ -1252,6 +1359,7 @@ static void usage(const char *name)
        printf("  --debug=options\tEnable debug logging. May be one/more of:\n"
                "\t\t\tprocess,file,io,mem,blktrace,verify,random,parse,\n"
                "\t\t\tdiskutil,job,mutex,profile,time,net\n");
+       printf("  --parse-only\t\tParse options only, don't start any IO\n");
        printf("  --output\t\tWrite output to file\n");
        printf("  --runtime\t\tRuntime in seconds\n");
        printf("  --latency-log\t\tGenerate per-job latency logs\n");
@@ -1273,6 +1381,8 @@ static void usage(const char *name)
        printf("            \t\tMay be \"always\", \"never\" or \"auto\"\n");
        printf("  --eta-newline=time\tForce a new line for every 'time'");
        printf(" period passed\n");
+       printf("  --status-interval=t\tForce full status dump every");
+       printf(" 't' period passed\n");
        printf("  --readonly\t\tTurn on safety read-only checks, preventing"
                " writes\n");
        printf("  --section=name\tOnly run specified section in job file\n");
@@ -1571,6 +1681,9 @@ int parse_cmd_line(int argc, char *argv[], int client_type)
                        if (set_debug(optarg))
                                do_exit++;
                        break;
+               case 'P':
+                       parse_only = 1;
+                       break;
                case 'x': {
                        size_t new_size;
 
@@ -1616,7 +1729,20 @@ int parse_cmd_line(int argc, char *argv[], int client_type)
                                fio_options_set_ioengine_opts(l_opts, td);
                        }
 
-                       ret = fio_cmd_option_parse(td, opt, val);
+                       if ((!val || !strlen(val)) &&
+                           l_opts[lidx].has_arg == required_argument) {
+                               log_err("fio: option %s requires an argument\n", opt);
+                               ret = 1;
+                       } else
+                               ret = fio_cmd_option_parse(td, opt, val);
+
+                       if (ret) {
+                               if (td) {
+                                       put_job(td);
+                                       td = NULL;
+                               }
+                               do_exit++;
+                       }
 
                        if (!ret && !strcmp(opt, "ioengine")) {
                                free_ioengine(td);
@@ -1698,6 +1824,18 @@ int parse_cmd_line(int argc, char *argv[], int client_type)
                        do_exit++;
                        exit_val = fio_monotonic_clocktest();
                        break;
+               case 'L': {
+                       long long val;
+
+                       if (check_str_time(optarg, &val)) {
+                               log_err("fio: failed parsing time %s\n", optarg);
+                               do_exit++;
+                               exit_val = 1;
+                               break;
+                       }
+                       status_interval = val * 1000;
+                       break;
+                       }
                case '?':
                        log_err("%s: unrecognized option '%s'\n", argv[0],
                                                        argv[optind - 1]);
@@ -1710,10 +1848,8 @@ int parse_cmd_line(int argc, char *argv[], int client_type)
                        break;
        }
 
-       if (do_exit) {
-               if (exit_val && !(is_backend || nr_clients))
-                       exit(exit_val);
-       }
+       if (do_exit && !(is_backend || nr_clients))
+               exit(exit_val);
 
        if (nr_clients && fio_clients_connect()) {
                do_exit++;
@@ -1794,7 +1930,7 @@ int parse_options(int argc, char *argv[])
        fio_options_free(&def_thread);
 
        if (!thread_number) {
-               if (dump_cmdline)
+               if (dump_cmdline || parse_only)
                        return 0;
                if (exec_profile)
                        return 0;