-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <ctype.h>
-#include <string.h>
-#include <errno.h>
-#include <sys/ipc.h>
-#include <sys/shm.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-
-#include "fio.h"
-
-#define DEF_BS (4096)
-#define DEF_TIMEOUT (0)
-#define DEF_RATE_CYCLE (1000)
-#define DEF_ODIRECT (1)
-#define DEF_IO_ENGINE (FIO_SYNCIO)
-#define DEF_IO_ENGINE_NAME "sync"
-#define DEF_SEQUENTIAL (1)
-#define DEF_RAND_REPEAT (1)
-#define DEF_OVERWRITE (1)
-#define DEF_CREATE (1)
-#define DEF_INVALIDATE (1)
-#define DEF_SYNCIO (0)
-#define DEF_RANDSEED (0xb1899bedUL)
-#define DEF_BWAVGTIME (500)
-#define DEF_CREATE_SER (1)
-#define DEF_CREATE_FSYNC (1)
-#define DEF_LOOPS (1)
-#define DEF_VERIFY (0)
-#define DEF_STONEWALL (0)
-#define DEF_NUMJOBS (1)
-#define DEF_USE_THREAD (0)
-#define DEF_FILE_SIZE (1024 * 1024 * 1024UL)
-#define DEF_ZONE_SIZE (0)
-#define DEF_ZONE_SKIP (0)
-#define DEF_RWMIX_CYCLE (500)
-#define DEF_RWMIX_READ (50)
-#define DEF_NICE (0)
-
-static char fio_version_string[] = "fio 1.4";
-
-static int repeatable = DEF_RAND_REPEAT;
-static char *ini_file;
-static int max_jobs = MAX_JOBS;
-
-struct thread_data def_thread;
-struct thread_data *threads = NULL;
-
-int rate_quit = 0;
-int write_lat_log = 0;
-int write_bw_log = 0;
-int exitall_on_terminate = 0;
-unsigned long long mlock_size = 0;
-
-static int setup_rate(struct thread_data *td)
-{
- int nr_reads_per_sec;
-
- if (!td->rate)
- return 0;
-
- if (td->rate < td->ratemin) {
- fprintf(stderr, "min rate larger than nominal rate\n");
- return -1;
- }
-
- nr_reads_per_sec = (td->rate * 1024) / td->min_bs;
- td->rate_usec_cycle = 1000000 / nr_reads_per_sec;
- td->rate_pending_usleep = 0;
- return 0;
-}
-
-static void setup_log(struct io_log **log)
-{
- struct io_log *l = malloc(sizeof(*l));
-
- l->nr_samples = 0;
- l->max_samples = 1024;
- l->log = malloc(l->max_samples * sizeof(struct io_sample));
- *log = l;
-}
-
-void finish_log(struct thread_data *td, struct io_log *log, const char *name)
-{
- char file_name[256];
- FILE *f;
- unsigned int i;
-
- snprintf(file_name, 200, "client%d_%s.log", td->thread_number, name);
- f = fopen(file_name, "w");
- if (!f) {
- perror("fopen log");
- return;
- }
-
- for (i = 0; i < log->nr_samples; i++)
- fprintf(f, "%lu, %lu, %u\n", log->log[i].time, log->log[i].val, log->log[i].ddir);
-
- fclose(f);
- free(log->log);
- free(log);
-}
-
-static struct thread_data *get_new_job(int global, struct thread_data *parent)
-{
- struct thread_data *td;
-
- if (global)
- return &def_thread;
- if (thread_number >= max_jobs)
- return NULL;
-
- td = &threads[thread_number++];
- if (parent)
- *td = *parent;
- else
- memset(td, 0, sizeof(*td));
-
- td->fd = -1;
- td->thread_number = thread_number;
-
- td->ddir = parent->ddir;
- td->ioprio = parent->ioprio;
- td->sequential = parent->sequential;
- td->bs = parent->bs;
- td->min_bs = parent->min_bs;
- td->max_bs = parent->max_bs;
- td->odirect = parent->odirect;
- td->thinktime = parent->thinktime;
- td->fsync_blocks = parent->fsync_blocks;
- td->start_delay = parent->start_delay;
- td->timeout = parent->timeout;
- td->io_engine = parent->io_engine;
- td->create_file = parent->create_file;
- td->overwrite = parent->overwrite;
- td->invalidate_cache = parent->invalidate_cache;
- td->file_size = parent->file_size;
- td->file_offset = parent->file_offset;
- td->zone_size = parent->zone_size;
- td->zone_skip = parent->zone_skip;
- td->rate = parent->rate;
- td->ratemin = parent->ratemin;
- td->ratecycle = parent->ratecycle;
- td->iodepth = parent->iodepth;
- td->sync_io = parent->sync_io;
- td->mem_type = parent->mem_type;
- td->bw_avg_time = parent->bw_avg_time;
- td->create_serialize = parent->create_serialize;
- td->create_fsync = parent->create_fsync;
- td->loops = parent->loops;
- td->verify = parent->verify;
- td->stonewall = parent->stonewall;
- td->numjobs = parent->numjobs;
- td->use_thread = parent->use_thread;
- td->do_disk_util = parent->do_disk_util;
- memcpy(&td->cpumask, &parent->cpumask, sizeof(td->cpumask));
- strcpy(td->io_engine_name, parent->io_engine_name);
-
- return td;
-}
-
-static void put_job(struct thread_data *td)
-{
- memset(&threads[td->thread_number - 1], 0, sizeof(*td));
- thread_number--;
-}
-
-static int add_job(struct thread_data *td, const char *jobname, int job_add_num)
-{
- char *ddir_str[] = { "read", "write", "randread", "randwrite",
- "rw", NULL, "randrw" };
- struct stat sb;
- int numjobs, ddir;
-
-#ifndef FIO_HAVE_LIBAIO
- if (td->io_engine == FIO_LIBAIO) {
- fprintf(stderr, "Linux libaio not available\n");
- return 1;
- }
-#endif
-#ifndef FIO_HAVE_POSIXAIO
- if (td->io_engine == FIO_POSIXAIO) {
- fprintf(stderr, "posix aio not available\n");
- return 1;
- }
-#endif
-
- /*
- * the def_thread is just for options, it's not a real job
- */
- if (td == &def_thread)
- return 0;
-
- if (td->io_engine & FIO_SYNCIO)
- td->iodepth = 1;
- else {
- if (!td->iodepth)
- td->iodepth = 1;
- }
-
- /*
- * only really works for sequential io for now
- */
- if (td->zone_size && !td->sequential)
- td->zone_size = 0;
-
- td->filetype = FIO_TYPE_FILE;
- if (!stat(jobname, &sb)) {
- if (S_ISBLK(sb.st_mode))
- td->filetype = FIO_TYPE_BD;
- else if (S_ISCHR(sb.st_mode))
- td->filetype = FIO_TYPE_CHAR;
- }
-
- if (td->filetype == FIO_TYPE_FILE) {
- if (td->directory && td->directory[0] != '\0')
- sprintf(td->file_name, "%s/%s.%d", td->directory, jobname, td->jobnum);
- else
- sprintf(td->file_name, "%s.%d", jobname, td->jobnum);
- } else
- strncpy(td->file_name, jobname, sizeof(td->file_name) - 1);
-
- sem_init(&td->mutex, 0, 0);
-
- td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX;
- td->slat_stat[0].min_val = td->slat_stat[1].min_val = ULONG_MAX;
- td->bw_stat[0].min_val = td->bw_stat[1].min_val = ULONG_MAX;
-
- if (td->min_bs == -1U)
- td->min_bs = td->bs;
- if (td->max_bs == -1U)
- td->max_bs = td->bs;
- if (td_read(td) && !td_rw(td))
- td->verify = 0;
-
- if (td->stonewall && td->thread_number > 1)
- groupid++;
-
- td->groupid = groupid;
-
- if (setup_rate(td))
- goto err;
-
- if (write_lat_log) {
- setup_log(&td->slat_log);
- setup_log(&td->clat_log);
- }
- if (write_bw_log)
- setup_log(&td->bw_log);
-
- ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2);
-
- if (!job_add_num)
- printf("Client%d (g=%d): rw=%s, odir=%d, bs=%d-%d, rate=%d, ioengine=%s, iodepth=%d\n", td->thread_number, td->groupid, ddir_str[ddir], td->odirect, td->min_bs, td->max_bs, td->rate, td->io_engine_name, td->iodepth);
- else if (job_add_num == 1)
- printf("...\n");
-
- /*
- * recurse add identical jobs, clear numjobs and stonewall options
- * as they don't apply to sub-jobs
- */
- numjobs = td->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->jobnum = numjobs;
- job_add_num = numjobs - 1;
-
- if (add_job(td_new, jobname, job_add_num))
- goto err;
- }
- return 0;
-err:
- put_job(td);
- return -1;
-}
-
-int init_random_state(struct thread_data *td)
-{
- unsigned long seeds[4];
- int fd, num_maps, blocks;
-
- fd = open("/dev/urandom", O_RDONLY);
- if (fd == -1) {
- td_verror(td, errno);
- return 1;
- }
-
- if (read(fd, seeds, sizeof(seeds)) < (int) sizeof(seeds)) {
- td_verror(td, EIO);
- close(fd);
- return 1;
- }
-
- close(fd);
-
- srand48_r(seeds[0], &td->bsrange_state);
- srand48_r(seeds[1], &td->verify_state);
- srand48_r(seeds[2], &td->rwmix_state);
-
- if (td->sequential)
- return 0;
-
- if (repeatable)
- seeds[3] = DEF_RANDSEED;
-
- blocks = (td->io_size + td->min_bs - 1) / td->min_bs;
- num_maps = blocks / BLOCKS_PER_MAP;
- td->file_map = malloc(num_maps * sizeof(long));
- td->num_maps = num_maps;
- memset(td->file_map, 0, num_maps * sizeof(long));
-
- srand48_r(seeds[3], &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 unsigned long get_mult(char c)
-{
- switch (c) {
- case 'k':
- case 'K':
- return 1024;
- case 'm':
- case 'M':
- return 1024 * 1024;
- case 'g':
- case 'G':
- return 1024 * 1024 * 1024;
- default:
- return 1;
- }
-}
-
-/*
- * convert string after '=' into decimal value, noting any size suffix
- */
-static int str_cnv(char *p, unsigned long long *val)
-{
- char *str;
- int len;
-
- str = strchr(p, '=');
- if (!str)
- return 1;
-
- str++;
- len = strlen(str);
-
- *val = strtoul(str, NULL, 10);
- if (*val == ULONG_MAX && errno == ERANGE)
- return 1;
-
- *val *= get_mult(str[len - 1]);
- return 0;
-}
-
-static int check_strcnv(char *p, char *name, unsigned long long *val)
-{
- if (strncmp(p, name, strlen(name) - 1))
- return 1;
-
- return str_cnv(p, val);
-}
-
-static void strip_blank_front(char **p)
-{
- char *s = *p;
-
- while (isspace(*s))
- s++;
-}
-
-static void strip_blank_end(char *p)
-{
- char *s = p + strlen(p) - 1;
-
- while (isspace(*s) || iscntrl(*s))
- s--;
-
- *(s + 1) = '\0';
-}
-
-typedef int (str_cb_fn)(struct thread_data *, char *);
-
-static int check_str(char *p, char *name, str_cb_fn *cb, struct thread_data *td)
-{
- char *s;
-
- if (strncmp(p, name, strlen(name)))
- return 1;
-
- s = strstr(p, name);
- if (!s)
- return 1;
-
- s = strchr(s, '=');
- if (!s)
- return 1;
-
- s++;
- strip_blank_front(&s);
- return cb(td, s);
-}
-
-static int check_strstore(char *p, char *name, char *dest)
-{
- char *s;
-
- if (strncmp(p, name, strlen(name)))
- return 1;
-
- s = strstr(p, name);
- if (!s)
- return 1;
-
- s = strchr(p, '=');
- if (!s)
- return 1;
-
- s++;
- strip_blank_front(&s);
-
- strcpy(dest, s);
- return 0;
-}
-
-static int __check_range(char *str, unsigned long *val)
-{
- char suffix;
-
- if (sscanf(str, "%lu%c", val, &suffix) == 2) {
- *val *= get_mult(suffix);
- return 0;
- }
-
- if (sscanf(str, "%lu", val) == 1)
- return 0;
-
- return 1;
-}
-
-static int check_range(char *p, char *name, unsigned long *s, unsigned long *e)
-{
- char option[128];
- char *str, *p1, *p2;
-
- if (strncmp(p, name, strlen(name)))
- return 1;
-
- strcpy(option, p);
- p = option;
-
- str = strstr(p, name);
- if (!str)
- return 1;
-
- p += strlen(name);
-
- str = strchr(p, '=');
- if (!str)
- return 1;
-
- /*
- * 'p' now holds whatever is after the '=' sign
- */
- p1 = str + 1;
-
- /*
- * terminate p1 at the '-' sign
- */
- p = strchr(p1, '-');
- if (!p)
- return 1;
-
- p2 = p + 1;
- *p = '\0';
-
- if (!__check_range(p1, s) && !__check_range(p2, e))
- return 0;
-
- return 1;
-}
-
-static int check_int(char *p, char *name, unsigned int *val)
-{
- char *str;
-
- if (strncmp(p, name, strlen(name)))
- return 1;
-
- str = strstr(p, name);
- if (!str)
- return 1;
-
- str = strchr(p, '=');
- if (!str)
- return 1;
-
- str++;
-
- if (sscanf(str, "%u", val) == 1)
- return 0;
-
- return 1;
-}
-
-static int check_strset(char *p, char *name)
-{
- return strncmp(p, name, strlen(name));
-}
-
-static int is_empty_or_comment(char *line)
-{
- unsigned int i;
-
- for (i = 0; i < strlen(line); i++) {
- if (line[i] == ';')
- return 1;
- if (!isspace(line[i]) && !iscntrl(line[i]))
- return 0;
- }
-
- return 1;
-}
-
-static int str_rw_cb(struct thread_data *td, char *mem)
-{
- if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) {
- td->ddir = DDIR_READ;
- td->sequential = 1;
- return 0;
- } else if (!strncmp(mem, "randread", 8)) {
- td->ddir = DDIR_READ;
- td->sequential = 0;
- return 0;
- } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) {
- td->ddir = DDIR_WRITE;
- td->sequential = 1;
- return 0;
- } else if (!strncmp(mem, "randwrite", 9)) {
- td->ddir = DDIR_WRITE;
- td->sequential = 0;
- return 0;
- } else if (!strncmp(mem, "rw", 2)) {
- td->ddir = 0;
- td->iomix = 1;
- td->sequential = 1;
- return 0;
- } else if (!strncmp(mem, "randrw", 6)) {
- td->ddir = 0;
- td->iomix = 1;
- td->sequential = 0;
- return 0;
- }
-
- fprintf(stderr, "bad data direction: %s\n", mem);
- return 1;
-}
-
-static int str_verify_cb(struct thread_data *td, char *mem)
-{
- if (!strncmp(mem, "0", 1)) {
- td->verify = VERIFY_NONE;
- return 0;
- } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) {
- td->verify = VERIFY_MD5;
- return 0;
- } else if (!strncmp(mem, "crc32", 5)) {
- td->verify = VERIFY_CRC32;
- return 0;
- }
-
- fprintf(stderr, "bad verify type: %s\n", mem);
- return 1;
-}
-
-static int str_mem_cb(struct thread_data *td, char *mem)
-{
- if (!strncmp(mem, "malloc", 6)) {
- td->mem_type = MEM_MALLOC;
- return 0;
- } else if (!strncmp(mem, "shm", 3)) {
- td->mem_type = MEM_SHM;
- return 0;
- } else if (!strncmp(mem, "mmap", 4)) {
- td->mem_type = MEM_MMAP;
- return 0;
- }
-
- fprintf(stderr, "bad mem type: %s\n", mem);
- return 1;
-}
-
-static int str_ioengine_cb(struct thread_data *td, char *str)
-{
- if (!strncmp(str, "linuxaio", 8) || !strncmp(str, "aio", 3) ||
- !strncmp(str, "libaio", 6)) {
- strcpy(td->io_engine_name, "libaio");
- td->io_engine = FIO_LIBAIO;
- return 0;
- } else if (!strncmp(str, "posixaio", 8)) {
- strcpy(td->io_engine_name, "posixaio");
- td->io_engine = FIO_POSIXAIO;
- return 0;
- } else if (!strncmp(str, "sync", 4)) {
- strcpy(td->io_engine_name, "sync");
- td->io_engine = FIO_SYNCIO;
- return 0;
- } else if (!strncmp(str, "mmap", 4)) {
- strcpy(td->io_engine_name, "mmap");
- td->io_engine = FIO_MMAPIO;
- return 0;
- } else if (!strncmp(str, "sgio", 4)) {
- strcpy(td->io_engine_name, "sgio");
- td->io_engine = FIO_SGIO;
- return 0;
- } else if (!strncmp(str, "splice", 6)) {
- strcpy(td->io_engine_name, "splice");
- td->io_engine = FIO_SPLICEIO;
- return 0;
- }
-
- fprintf(stderr, "bad ioengine type: %s\n", str);
- return 1;
-}
-
-static int str_iolog_cb(struct thread_data *td, char *file)
-{
- td->iolog_file = strdup(file);
- return 0;
-}
-
-static int str_prerun_cb(struct thread_data *td, char *file)
-{
- td->exec_prerun = strdup(file);
- return 0;
-}
-
-static int str_postrun_cb(struct thread_data *td, char *file)
-{
- td->exec_postrun = strdup(file);
- return 0;
-}
-
-static int str_iosched_cb(struct thread_data *td, char *file)
-{
- td->ioscheduler = strdup(file);
- return 0;
-}
-
-int parse_jobs_ini(char *file)
-{
- unsigned int prioclass, prio, cpu, global, il;
- unsigned long long ull;
- unsigned long ul1, ul2;
- struct thread_data *td;
- char *string, *name, *tmpbuf;
- fpos_t off;
- FILE *f;
- char *p;
-
- f = fopen(file, "r");
- if (!f) {
- perror("fopen job file");
- return 1;
- }
-
- string = malloc(4096);
- name = malloc(256);
- tmpbuf = malloc(4096);
-
- while ((p = fgets(string, 4096, f)) != NULL) {
- if (is_empty_or_comment(p))
- continue;
- if (sscanf(p, "[%s]", name) != 1)
- continue;
-
- global = !strncmp(name, "global", 6);
-
- name[strlen(name) - 1] = '\0';
-
- td = get_new_job(global, &def_thread);
- if (!td)
- return 1;
-
- fgetpos(f, &off);
- while ((p = fgets(string, 4096, f)) != NULL) {
- if (is_empty_or_comment(p))
- continue;
- if (strstr(p, "["))
- break;
- strip_blank_front(&p);
- strip_blank_end(p);
-
- if (!check_int(p, "prio", &prio)) {
-#ifndef FIO_HAVE_IOPRIO
- fprintf(stderr, "io priorities not available\n");
- return 1;
-#endif
- td->ioprio |= prio;
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "prioclass", &prioclass)) {
-#ifndef FIO_HAVE_IOPRIO
- fprintf(stderr, "io priorities not available\n");
- return 1;
-#endif
- td->ioprio |= prioclass << IOPRIO_CLASS_SHIFT;
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "direct", &td->odirect)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "rate", &td->rate)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "ratemin", &td->ratemin)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "ratecycle", &td->ratecycle)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "thinktime", &td->thinktime)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "cpumask", &cpu)) {
-#ifndef FIO_HAVE_CPU_AFFINITY
- fprintf(stderr, "cpu affinity not available\n");
- return 1;
-#endif
- fill_cpu_mask(td->cpumask, cpu);
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "fsync", &td->fsync_blocks)) {
- fgetpos(f, &off);
- td->end_fsync = 1;
- continue;
- }
- if (!check_int(p, "startdelay", &td->start_delay)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "timeout", &td->timeout)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "invalidate",&td->invalidate_cache)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "iodepth", &td->iodepth)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "sync", &td->sync_io)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "bwavgtime", &td->bw_avg_time)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "create_serialize", &td->create_serialize)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "create_fsync", &td->create_fsync)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "end_fsync", &td->end_fsync)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "loops", &td->loops)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "numjobs", &td->numjobs)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "overwrite", &td->overwrite)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "rwmixcycle", &td->rwmixcycle)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "rwmixread", &il)) {
- if (il > 100)
- il = 100;
- td->rwmixread = il;
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "rwmixwrite", &il)) {
- if (il > 100)
- il = 100;
- td->rwmixread = 100 - il;
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "nice", &td->nice)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_range(p, "bsrange", &ul1, &ul2)) {
- if (ul1 > ul2) {
- td->max_bs = ul1;
- td->min_bs = ul2;
- } else {
- td->max_bs = ul2;
- td->min_bs = ul1;
- }
- fgetpos(f, &off);
- continue;
- }
- if (!check_strcnv(p, "bs", &ull)) {
- td->bs = ull;
- fgetpos(f, &off);
- continue;
- }
- if (!check_strcnv(p, "size", &td->file_size)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_strcnv(p, "offset", &td->file_offset)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_strcnv(p, "zonesize", &td->zone_size)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_strcnv(p, "zoneskip", &td->zone_skip)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_strcnv(p, "lockmem", &mlock_size)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_strstore(p, "directory", tmpbuf)) {
- td->directory = strdup(tmpbuf);
- fgetpos(f, &off);
- continue;
- }
- if (!check_str(p, "mem", str_mem_cb, td)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_str(p, "verify", str_verify_cb, td)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_str(p, "rw", str_rw_cb, td)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_str(p, "ioengine", str_ioengine_cb, td)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_strset(p, "create")) {
- td->create_file = 1;
- fgetpos(f, &off);
- continue;
- }
- if (!check_strset(p, "exitall")) {
- exitall_on_terminate = 1;
- fgetpos(f, &off);
- continue;
- }
- if (!check_strset(p, "stonewall")) {
- td->stonewall = 1;
- fgetpos(f, &off);
- continue;
- }
- if (!check_strset(p, "thread")) {
- td->use_thread = 1;
- fgetpos(f, &off);
- continue;
- }
- if (!check_str(p, "iolog", str_iolog_cb, td)) {
- td->read_iolog = 1;
- td->write_iolog = 0;
- fgetpos(f, &off);
- continue;
- }
- if (!td->read_iolog &&
- !check_str(p, "write_iolog", str_iolog_cb, td)) {
- td->write_iolog = 1;
- fgetpos(f, &off);
- continue;
- }
- if (!check_str(p, "exec_prerun", str_prerun_cb, td)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_str(p, "exec_postrun", str_postrun_cb, td)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_str(p, "ioscheduler", str_iosched_cb, td)) {
- fgetpos(f, &off);
- continue;
- }
-
- printf("Client%d: bad option %s\n",td->thread_number,p);
- return 1;
- }
- fsetpos(f, &off);
-
- if (add_job(td, name, 0))
- return 1;
- }
-
- free(string);
- free(name);
- free(tmpbuf);
- fclose(f);
- return 0;
-}
-
-static int fill_def_thread(void)
-{
- memset(&def_thread, 0, sizeof(def_thread));
-
- if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) {
- perror("sched_getaffinity");
- return 1;
- }
-
- /*
- * fill globals
- */
- def_thread.ddir = DDIR_READ;
- def_thread.iomix = 0;
- def_thread.bs = DEF_BS;
- def_thread.min_bs = -1;
- def_thread.max_bs = -1;
- def_thread.io_engine = DEF_IO_ENGINE;
- strcpy(def_thread.io_engine_name, DEF_IO_ENGINE_NAME);
- def_thread.odirect = DEF_ODIRECT;
- def_thread.ratecycle = DEF_RATE_CYCLE;
- def_thread.sequential = DEF_SEQUENTIAL;
- def_thread.timeout = DEF_TIMEOUT;
- def_thread.create_file = DEF_CREATE;
- def_thread.overwrite = DEF_OVERWRITE;
- def_thread.invalidate_cache = DEF_INVALIDATE;
- def_thread.sync_io = DEF_SYNCIO;
- def_thread.mem_type = MEM_MALLOC;
- def_thread.bw_avg_time = DEF_BWAVGTIME;
- def_thread.create_serialize = DEF_CREATE_SER;
- def_thread.create_fsync = DEF_CREATE_FSYNC;
- def_thread.loops = DEF_LOOPS;
- def_thread.verify = DEF_VERIFY;
- def_thread.stonewall = DEF_STONEWALL;
- def_thread.numjobs = DEF_NUMJOBS;
- def_thread.use_thread = DEF_USE_THREAD;
- def_thread.rwmixcycle = DEF_RWMIX_CYCLE;
- def_thread.rwmixread = DEF_RWMIX_READ;
- def_thread.nice = DEF_NICE;
-#ifdef FIO_HAVE_DISK_UTIL
- def_thread.do_disk_util = 1;
-#endif
-
- return 0;
-}
-
-static void usage(char *name)
-{
- printf("%s\n", fio_version_string);
- printf("\t-s IO is sequential\n");
- printf("\t-b Block size in KiB for each IO\n");
- printf("\t-t Runtime in seconds\n");
- printf("\t-R Exit all threads on failure to meet rate goal\n");
- printf("\t-o Use O_DIRECT\n");
- printf("\t-l Generate per-job latency logs\n");
- printf("\t-w Generate per-job bandwidth logs\n");
- printf("\t-f Job file (Required)\n");
- printf("\t-v Print version info and exit\n");
-}
-
-static void parse_cmd_line(int argc, char *argv[])
-{
- int c;
-
- while ((c = getopt(argc, argv, "s:b:t:r:R:o:f:lwvh")) != EOF) {
- switch (c) {
- case 's':
- def_thread.sequential = !!atoi(optarg);
- break;
- case 'b':
- def_thread.bs = atoi(optarg);
- def_thread.bs <<= 10;
- if (!def_thread.bs) {
- printf("bad block size\n");
- def_thread.bs = DEF_BS;
- }
- break;
- case 't':
- def_thread.timeout = atoi(optarg);
- break;
- case 'r':
- repeatable = !!atoi(optarg);
- break;
- case 'R':
- rate_quit = !!atoi(optarg);
- break;
- case 'o':
- def_thread.odirect = !!atoi(optarg);
- break;
- case 'f':
- ini_file = strdup(optarg);
- break;
- case 'l':
- write_lat_log = 1;
- break;
- case 'w':
- write_bw_log = 1;
- break;
- case 'h':
- usage(argv[0]);
- exit(0);
- case 'v':
- printf("%s\n", fio_version_string);
- exit(0);
- }
- }
-
- if (!ini_file && argc > 1 && argv[argc - 1][0] != '-')
- ini_file = strdup(argv[argc - 1]);
-}
-
-static void free_shm(void)
-{
- struct shmid_ds sbuf;
-
- if (threads) {
- shmdt(threads);
- threads = NULL;
- shmctl(shm_id, IPC_RMID, &sbuf);
- }
-}
-
-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 {
- int s = max_jobs * sizeof(struct thread_data);
-
- shm_id = shmget(0, s, 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;
-}
-
-int parse_options(int argc, char *argv[])
-{
- if (setup_thread_area())
- return 1;
- if (fill_def_thread())
- return 1;
-
- parse_cmd_line(argc, argv);
-
- if (!ini_file) {
- printf("Need job file\n");
- usage(argv[0]);
- return 1;
- }
-
- if (parse_jobs_ini(ini_file)) {
- usage(argv[0]);
- return 1;
- }
-
- return 0;
-}