+++ /dev/null
-#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 "fio.h"
-
-#define DEF_BS (4096)
-#define DEF_TIMEOUT (0)
-#define DEF_RATE_CYCLE (1000)
-#define DEF_ODIRECT (1)
-#define DEF_SEQUENTIAL (1)
-#define DEF_RAND_REPEAT (1)
-#define DEF_OVERWRITE (0)
-#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_USE_MMAP (0)
-
-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;
-
-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[128];
- FILE *f;
- unsigned int i;
-
- sprintf(file_name, "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\n", log->log[i].time, log->log[i].val);
-
- 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++];
- memset(td, 0, sizeof(*td));
-
- sprintf(td->directory, ".");
-
- 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->use_aio = parent->use_aio;
- 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->rate = parent->rate;
- td->ratemin = parent->ratemin;
- td->ratecycle = parent->ratecycle;
- td->aio_depth = parent->aio_depth;
- 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->use_mmap = parent->use_mmap;
- memcpy(&td->cpumask, &parent->cpumask, sizeof(td->cpumask));
-
- 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 prioclass,
- int prio)
-{
- struct stat sb;
- int numjobs;
-
- if (td == &def_thread)
- return 0;
-
- td->filetype = FIO_TYPE_FILE;
- if (!stat(jobname, &sb) && S_ISBLK(sb.st_mode))
- td->filetype = FIO_TYPE_BD;
-
- if (td->filetype == FIO_TYPE_FILE)
- sprintf(td->file_name, "%s/%s.%d", td->directory, jobname, td->thread_number);
- else
- strcpy(td->file_name, jobname);
-
- sem_init(&td->mutex, 1, 0);
- td->ioprio = (prioclass << IOPRIO_CLASS_SHIFT) | prio;
-
- td->clat_stat.min_val = ULONG_MAX;
- td->slat_stat.min_val = ULONG_MAX;
- td->bw_stat.min_val = ULONG_MAX;
-
- run_str[td->thread_number - 1] = 'P';
-
- if (td->use_aio) {
- if (!td->aio_depth)
- td->aio_depth = 1;
- if (td->use_mmap)
- td->use_mmap = 0;
- }
-
- 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->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->lat_log);
- if (write_bw_log)
- setup_log(&td->bw_log);
-
- printf("Client%d (g=%d): rw=%d, prio=%d/%d, seq=%d, odir=%d, mmap=%d, bs=%d-%d, rate=%d, aio=%d, aio_depth=%d\n", td->thread_number, td->groupid, td->ddir, prioclass, prio, td->sequential, td->odirect, td->use_mmap, td->min_bs, td->max_bs, td->rate, td->use_aio, td->aio_depth);
-
- /*
- * 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;
-
- if (add_job(td_new, jobname, prioclass, prio))
- goto err;
- }
- return 0;
-err:
- put_job(td);
- return -1;
-}
-
-int init_random_state(struct thread_data *td)
-{
- unsigned long seed;
- int fd, num_maps, blocks;
-
- fd = open("/dev/random", O_RDONLY);
- if (fd == -1) {
- td->error = errno;
- return 1;
- }
-
- if (read(fd, &seed, sizeof(seed)) < (int) sizeof(seed)) {
- td->error = EIO;
- close(fd);
- return 1;
- }
-
- close(fd);
-
- srand48_r(seed, &td->bsrange_state);
- srand48_r(seed, &td->verify_state);
-
- if (td->sequential)
- return 0;
-
- if (repeatable)
- seed = 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(seed, &td->random_state);
- return 0;
-}
-
-static void fill_cpu_mask(cpu_set_t cpumask, int cpu)
-{
- unsigned int i;
-
- CPU_ZERO(&cpumask);
-
- for (i = 0; i < sizeof(int) * 8; i++) {
- if ((1 << i) & cpu)
- CPU_SET(i, &cpumask);
- }
-}
-
-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 = strstr(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 - 2]);
- return 0;
-}
-
-static int check_strcnv(char *p, char *name, unsigned long long *val)
-{
- if (!strstr(p, name))
- return 1;
-
- return str_cnv(p, val);
-}
-
-static int check_str(char *p, char *name, char *option)
-{
- char *s = strstr(p, name);
-
- if (!s)
- return 1;
-
- s += strlen(name);
- if (strstr(s, option))
- return 0;
-
- return 1;
-}
-
-static int check_strstore(char *p, char *name, char *dest)
-{
- char *s = strstr(p, name);
-
- if (!s)
- return 1;
-
- s = strstr(p, "=");
- if (!s)
- return 1;
-
- s++;
- while (isblank(*s))
- s++;
-
- strcpy(dest, s);
-
- s = dest + strlen(dest) - 1;
- while (isblank(*s)) {
- *s = '\0';
- s--;
- }
-
- return 0;
-}
-
-static int check_range(char *p, char *name, unsigned long *s, unsigned long *e)
-{
- char str[128];
- char s1, s2;
-
- sprintf(str, "%s=%%lu%%c-%%lu%%c", name);
- if (sscanf(p, str, s, &s1, e, &s2) == 4) {
- *s *= get_mult(s1);
- *e *= get_mult(s2);
- return 0;
- }
-
- sprintf(str, "%s = %%lu%%c-%%lu%%c", name);
- if (sscanf(p, str, s, &s1, e, &s2) == 4) {
- *s *= get_mult(s1);
- *e *= get_mult(s2);
- return 0;
- }
-
- sprintf(str, "%s=%%lu-%%lu", name);
- if (sscanf(p, str, s, e) == 2)
- return 0;
-
- sprintf(str, "%s = %%lu-%%lu", name);
- if (sscanf(p, str, s, e) == 2)
- return 0;
-
- return 1;
-
-}
-
-static int check_int(char *p, char *name, unsigned int *val)
-{
- char str[128];
-
- sprintf(str, "%s=%%d", name);
- if (sscanf(p, str, val) == 1)
- return 0;
-
- sprintf(str, "%s = %%d", name);
- if (sscanf(p, str, 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;
-}
-
-int parse_jobs_ini(char *file)
-{
- unsigned int prioclass, prio, cpu, global;
- unsigned long long ull;
- unsigned long ul1, ul2;
- struct thread_data *td;
- char *string, *name;
- fpos_t off;
- FILE *f;
- char *p;
-
- f = fopen(file, "r");
- if (!f) {
- perror("fopen");
- return 1;
- }
-
- string = malloc(4096);
- name = malloc(256);
-
- 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;
-
- prioclass = 2;
- prio = 4;
-
- fgetpos(f, &off);
- while ((p = fgets(string, 4096, f)) != NULL) {
- if (is_empty_or_comment(p))
- continue;
- if (strstr(p, "["))
- break;
- if (!check_int(p, "rw", &td->ddir)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "prio", &prio)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "prioclass", &prioclass)) {
- 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)) {
- fill_cpu_mask(td->cpumask, cpu);
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "fsync", &td->fsync_blocks)) {
- fgetpos(f, &off);
- 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, "aio_depth", &td->aio_depth)) {
- 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, "loops", &td->loops)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "numjobs", &td->numjobs)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_int(p, "mmap", &td->use_mmap)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_range(p, "bsrange", &ul1, &ul2)) {
- if (ul1 & 511)
- printf("bad min block size, must be a multiple of 512\n");
- else
- td->min_bs = ul1;
- if (ul2 & 511)
- printf("bad max block size, must be a multiple of 512\n");
- else
- td->max_bs = ul2;
- fgetpos(f, &off);
- continue;
- }
- if (!check_strcnv(p, "bs", &ull)) {
- if (ull & 511)
- printf("bad block size, must be a multiple of 512\n");
- else
- 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_strstore(p, "directory", td->directory)) {
- fgetpos(f, &off);
- continue;
- }
- if (!check_str(p, "mem", "malloc")) {
- td->mem_type = MEM_MALLOC;
- fgetpos(f, &off);
- continue;
- }
- if (!check_str(p, "mem", "shm")) {
- td->mem_type = MEM_SHM;
- fgetpos(f, &off);
- continue;
- }
- if (!check_str(p, "mem", "mmap")) {
- td->mem_type = MEM_MMAP;
- fgetpos(f, &off);
- continue;
- }
- if (!check_str(p, "verify", "md5")) {
- td->verify = VERIFY_MD5;
- fgetpos(f, &off);
- continue;
- }
- if (!check_str(p, "verify", "crc32")) {
- td->verify = VERIFY_CRC32;
- fgetpos(f, &off);
- continue;
- }
- if (!check_strset(p, "sequential")) {
- td->sequential = 1;
- fgetpos(f, &off);
- continue;
- }
- if (!check_strset(p, "random")) {
- td->sequential = 0;
- fgetpos(f, &off);
- continue;
- }
- if (!check_strset(p, "aio")) {
- td->use_aio = 1;
- fgetpos(f, &off);
- continue;
- }
- if (!check_strset(p, "create")) {
- td->create_file = 1;
- fgetpos(f, &off);
- continue;
- }
- if (!check_strset(p, "overwrite")) {
- td->overwrite = 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;
- }
-
- printf("Client%d: bad option %s\n",td->thread_number,p);
- }
- fsetpos(f, &off);
-
- if (add_job(td, name, prioclass, prio))
- return 1;
- }
-
- free(string);
- free(name);
- fclose(f);
- return 0;
-}
-
-static int fill_def_thread(void)
-{
- memset(&def_thread, 0, sizeof(def_thread));
-
- if (sched_getaffinity(getpid(), sizeof(cpu_set_t), &def_thread.cpumask) == -1) {
- perror("sched_getaffinity");
- return 1;
- }
-
- /*
- * fill globals
- */
- def_thread.ddir = DDIR_READ;
- def_thread.bs = DEF_BS;
- def_thread.min_bs = -1;
- def_thread.max_bs = -1;
- 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.use_mmap = DEF_USE_MMAP;
-
- return 0;
-}
-
-static void parse_cmd_line(int argc, char *argv[])
-{
- int i;
-
- for (i = 1; i < argc; i++) {
- char *parm = argv[i];
-
- if (parm[0] != '-')
- break;
-
- parm++;
- switch (*parm) {
- case 's':
- parm++;
- def_thread.sequential = !!atoi(parm);
- break;
- case 'b':
- parm++;
- def_thread.bs = atoi(parm);
- def_thread.bs <<= 10;
- if (!def_thread.bs) {
- printf("bad block size\n");
- def_thread.bs = DEF_BS;
- }
- break;
- case 't':
- parm++;
- def_thread.timeout = atoi(parm);
- break;
- case 'r':
- parm++;
- repeatable = !!atoi(parm);
- break;
- case 'R':
- parm++;
- rate_quit = !!atoi(parm);
- break;
- case 'o':
- parm++;
- def_thread.odirect = !!atoi(parm);
- break;
- case 'f':
- if (i + 1 >= argc) {
- printf("-f needs file as arg\n");
- break;
- }
- ini_file = strdup(argv[i+1]);
- i++;
- break;
- case 'l':
- write_lat_log = 1;
- break;
- case 'w':
- write_bw_log = 1;
- break;
- default:
- printf("bad option %s\n", argv[i]);
- break;
- }
- }
-}
-
-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");
- return 1;
- }
-
- if (parse_jobs_ini(ini_file))
- return 1;
-
- return 0;
-}
projects / disktools.git / commitdiff