#include <errno.h>
#include <signal.h>
#include <time.h>
-#include <ctype.h>
-#include <sched.h>
-#include <libaio.h>
#include <math.h>
-#include <limits.h>
#include <assert.h>
-#include <sys/time.h>
+#include <pthread.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/wait.h>
-#include <semaphore.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <sys/ioctl.h>
#include <asm/unistd.h>
-#include <asm/types.h>
-#include <asm/bitops.h>
-#include "arch.h"
-#include "list.h"
-#include "md5.h"
-
-#ifndef BLKGETSIZE64
-#define BLKGETSIZE64 _IOR(0x12,114,size_t)
-#endif
-
-#define MAX_JOBS (1024)
-
-static int ioprio_set(int which, int who, int ioprio)
-{
- return syscall(__NR_ioprio_set, which, who, ioprio);
-}
-
-/*
- * we want fadvise64 really, but it's so tangled... later
- */
-static int fadvise(int fd, loff_t offset, size_t len, int advice)
-{
-#if 0
- return syscall(__NR_fadvise64, fd, offset, offset >> 32, len, advice);
-#else
- return posix_fadvise(fd, (off_t) offset, len, advice);
-#endif
-}
-
-enum {
- IOPRIO_WHO_PROCESS = 1,
- IOPRIO_WHO_PGRP,
- IOPRIO_WHO_USER,
-};
-
-#define IOPRIO_CLASS_SHIFT 13
+#include "fio.h"
#define MASK (4095)
-#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 ALIGN(buf) (char *) (((unsigned long) (buf) + MASK) & ~(MASK))
-static int repeatable = DEF_RAND_REPEAT;
-static int rate_quit = 1;
-static int write_lat_log;
-static int write_bw_log;
-static int exitall_on_terminate;
-
-static int thread_number;
-static char *ini_file;
-
-static int max_jobs = MAX_JOBS;
-
-static char run_str[MAX_JOBS + 1];
-
-static int shm_id;
-
-enum {
- DDIR_READ = 0,
- DDIR_WRITE,
-};
+int groupid = 0;
+int thread_number = 0;
+char run_str[MAX_JOBS + 1];
+int shm_id = 0;
/*
* thread life cycle
TD_REAPED,
};
-enum {
- MEM_MALLOC,
- MEM_SHM,
-};
-
/*
* The io unit
*/
struct list_head list;
};
-struct io_stat {
- unsigned long val;
- unsigned long val_sq;
- unsigned long max_val;
- unsigned long min_val;
- unsigned long samples;
-};
-
-struct io_sample {
- unsigned long time;
- unsigned long val;
-};
-
-struct io_log {
- unsigned long nr_samples;
- unsigned long max_samples;
- struct io_sample *log;
-};
-
-struct io_piece {
- struct list_head list;
- unsigned long long offset;
- unsigned int len;
-};
-
-#define FIO_HDR_MAGIC 0xf00baaef
-
-struct verify_header {
- unsigned int fio_magic;
- unsigned int len;
- char md5_digest[MD5_HASH_WORDS * 4];
-};
-
-#define td_read(td) ((td)->ddir == DDIR_READ)
-#define td_write(td) ((td)->ddir == DDIR_WRITE)
#define should_fsync(td) (td_write(td) && !(td)->odirect)
-#define BLOCKS_PER_MAP (8 * sizeof(long))
-#define TO_MAP_BLOCK(td, b) ((b) - ((td)->file_offset / (td)->min_bs))
-#define RAND_MAP_IDX(td, b) (TO_MAP_BLOCK(td, b) / BLOCKS_PER_MAP)
-#define RAND_MAP_BIT(td, b) (TO_MAP_BLOCK(td, b) & (BLOCKS_PER_MAP - 1))
-
-struct thread_data {
- char file_name[256];
- int thread_number;
- int error;
- int fd;
- pid_t pid;
- char *orig_buffer;
- volatile int terminate;
- volatile int runstate;
- volatile int old_runstate;
- unsigned int ddir;
- unsigned int ioprio;
- unsigned int sequential;
- unsigned int bs;
- unsigned int min_bs;
- unsigned int max_bs;
- unsigned int odirect;
- unsigned int thinktime;
- unsigned int fsync_blocks;
- unsigned int start_delay;
- unsigned int timeout;
- unsigned int use_aio;
- unsigned int create_file;
- unsigned int overwrite;
- unsigned int invalidate_cache;
- unsigned int bw_avg_time;
- unsigned int create_serialize;
- unsigned int create_fsync;
- unsigned int loops;
- unsigned long long file_size;
- unsigned long long file_offset;
- unsigned int sync_io;
- unsigned int mem_type;
- unsigned int verify;
- unsigned int stonewall;
- cpu_set_t cpumask;
-
- struct drand48_data bsrange_state;
- struct drand48_data verify_state;
-
- int shm_id;
-
- off_t cur_off;
-
- io_context_t aio_ctx;
- unsigned int aio_depth;
- struct io_event *aio_events;
-
- unsigned int cur_depth;
- struct list_head io_u_freelist;
- struct list_head io_u_busylist;
-
- unsigned int rate;
- unsigned int ratemin;
- unsigned int ratecycle;
- unsigned long rate_usec_cycle;
- long rate_pending_usleep;
- unsigned long rate_bytes;
- struct timeval lastrate;
-
- unsigned long runtime; /* sec */
- unsigned long long io_size;
-
- unsigned long io_blocks;
- unsigned long io_bytes;
- unsigned long this_io_bytes;
- unsigned long last_bytes;
- sem_t mutex;
-
- struct drand48_data random_state;
- unsigned long *file_map;
- unsigned int num_maps;
-
- /*
- * bandwidth and latency stats
- */
- struct io_stat clat_stat; /* completion latency */
- struct io_stat slat_stat; /* submission latency */
-
- struct io_stat bw_stat; /* bandwidth stats */
- unsigned long stat_io_bytes;
- struct timeval stat_sample_time;
-
- struct io_log *lat_log;
- struct io_log *bw_log;
-
- struct timeval start;
- struct rusage ru_start;
- struct rusage ru_end;
-
- struct list_head io_hist_list;
-};
-
-static struct thread_data *threads;
-static struct thread_data def_thread;
-
static sem_t startup_sem;
-static void sig_handler(int sig)
+#define TERMINATE_ALL (-1)
+
+static void terminate_threads(int groupid)
{
int i;
for (i = 0; i < thread_number; i++) {
struct thread_data *td = &threads[i];
- td->terminate = 1;
- td->start_delay = 0;
+ if (groupid == TERMINATE_ALL || groupid == td->groupid) {
+ td->terminate = 1;
+ td->start_delay = 0;
+ }
}
}
-static int init_random_state(struct thread_data *td)
+static void sig_handler(int sig)
{
- 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;
+ terminate_threads(TERMINATE_ALL);
}
static unsigned long utime_since(struct timeval *s, struct timeval *e)
gettimeofday(&start, NULL);
while (utime_since_now(&start) < usec)
- __asm__ __volatile__("rep;nop": : :"memory");
+ nop;
}
static void usec_sleep(int usec)
if (rate < td->ratemin) {
printf("Client%d: min rate %d not met, got %ldKiB/sec\n", td->thread_number, td->ratemin, rate);
if (rate_quit)
- sig_handler(0);
+ terminate_threads(td->groupid);
return 1;
}
}
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;
-}
-
-static void finish_log(struct thread_data *td, struct io_log *log, 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 int create_file(struct thread_data *td)
{
unsigned long long left;
memset(td->file_map, 0, td->num_maps * sizeof(long));
}
-static void *thread_main(int shm_id, int offset, char *argv[])
+static void update_rusage_stat(struct thread_data *td)
{
- struct thread_data *td;
- int ret = 1;
- void *data;
+ if (!td->runtime)
+ return;
- setsid();
+ getrusage(RUSAGE_SELF, &td->ru_end);
- data = shmat(shm_id, NULL, 0);
- if (data == (void *) -1) {
- perror("shmat");
- return NULL;
- }
+ td->usr_time += mtime_since(&td->ru_start.ru_utime, &td->ru_end.ru_utime);
+ td->sys_time += mtime_since(&td->ru_start.ru_stime, &td->ru_end.ru_stime);
+ td->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
- td = data + offset * sizeof(struct thread_data);
+
+ memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end));
+}
+
+static void *thread_main(void *data)
+{
+ struct thread_data *td = data;
+ int ret = 1;
+
+ setsid();
td->pid = getpid();
if (init_io_u(td))
goto err;
}
- sprintf(argv[0], "fio%d", offset);
-
if (td->use_aio && init_aio(td))
goto err;
if (init_random_state(td))
goto err;
- gettimeofday(&td->start, NULL);
-
- getrusage(RUSAGE_SELF, &td->ru_start);
-
while (td->loops--) {
- gettimeofday(&td->stat_sample_time, NULL);
+ getrusage(RUSAGE_SELF, &td->ru_start);
+ gettimeofday(&td->start, NULL);
+ memcpy(&td->stat_sample_time, &td->start, sizeof(td->start));
if (td->ratemin)
memcpy(&td->lastrate, &td->stat_sample_time, sizeof(td->lastrate));
if (td->error)
break;
+ td->runtime += mtime_since_now(&td->start);
+ update_rusage_stat(td);
+
if (!td->verify)
continue;
break;
}
- td->runtime = mtime_since_now(&td->start);
- getrusage(RUSAGE_SELF, &td->ru_end);
ret = 0;
if (td->bw_log)
finish_log(td, td->lat_log, "lat");
if (exitall_on_terminate)
- sig_handler(0);
+ terminate_threads(td->groupid);
err:
if (td->fd != -1) {
sem_wait(&td->mutex);
}
td_set_runstate(td, TD_EXITED);
- shmdt(data);
return NULL;
+
}
-static void free_shm(void)
+static void *fork_main(int shm_id, int offset)
{
- struct shmid_ds sbuf;
+ struct thread_data *td;
+ void *data;
- if (threads) {
- shmdt(threads);
- threads = NULL;
- shmctl(shm_id, IPC_RMID, &sbuf);
+ data = shmat(shm_id, NULL, 0);
+ if (data == (void *) -1) {
+ perror("shmat");
+ return NULL;
}
+
+ td = data + offset * sizeof(struct thread_data);
+ thread_main(td);
+ shmdt(data);
+ return NULL;
}
static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max,
return 1;
}
-static void show_thread_status(struct thread_data *td)
+static void show_thread_status(struct thread_data *td,
+ struct group_run_stats *rs)
{
int prio, prio_class;
- unsigned long min, max, bw = 0, ctx;
+ unsigned long min, max, bw = 0;
double mean, dev, usr_cpu, sys_cpu;
if (!td->io_bytes && !td->error)
prio = td->ioprio & 0xff;
prio_class = td->ioprio >> IOPRIO_CLASS_SHIFT;
- printf("Client%d: err=%2d, io=%6luMiB, bw=%6luKiB/s, runt=%6lumsec\n", td->thread_number, td->error, td->io_bytes >> 20, bw, td->runtime);
+ printf("Client%d (g=%d): err=%2d, io=%6luMiB, bw=%6luKiB/s, runt=%6lumsec\n", td->thread_number, td->groupid, td->error, td->io_bytes >> 20, bw, td->runtime);
if (calc_lat(&td->slat_stat, &min, &max, &mean, &dev))
printf(" slat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev);
if (calc_lat(&td->clat_stat, &min, &max, &mean, &dev))
printf(" clat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev);
- if (calc_lat(&td->bw_stat, &min, &max, &mean, &dev))
- printf(" bw (KiB/s) : min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev);
-
- if (td->runtime) {
- unsigned long t;
+ if (calc_lat(&td->bw_stat, &min, &max, &mean, &dev)) {
+ double p_of_agg;
- t = mtime_since(&td->ru_start.ru_utime, &td->ru_end.ru_utime);
- usr_cpu = (double) t * 100 / (double) td->runtime;
+ p_of_agg = mean * 100 / (double) rs->agg[td->ddir];
+ printf(" bw (KiB/s) : min=%5lu, max=%5lu, per=%3.2f%%, avg=%5.02f, dev=%5.02f\n", min, max, p_of_agg, mean, dev);
+ }
- t = mtime_since(&td->ru_start.ru_stime, &td->ru_end.ru_stime);
- sys_cpu = (double) t * 100 / (double) td->runtime;
+ if (td->runtime) {
+ usr_cpu = (double) td->usr_time * 100 / (double) td->runtime;
+ sys_cpu = (double) td->sys_time * 100 / (double) td->runtime;
} else {
usr_cpu = 0;
sys_cpu = 0;
}
- ctx = td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
-
- printf(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu\n", usr_cpu, sys_cpu, ctx);
-}
-
-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 struct thread_data *get_new_job(int global)
-{
- 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));
-
- td->fd = -1;
- td->thread_number = thread_number;
-
- td->ddir = def_thread.ddir;
- td->ioprio = def_thread.ioprio;
- td->sequential = def_thread.sequential;
- td->bs = def_thread.bs;
- td->min_bs = def_thread.min_bs;
- td->max_bs = def_thread.max_bs;
- td->odirect = def_thread.odirect;
- td->thinktime = def_thread.thinktime;
- td->fsync_blocks = def_thread.fsync_blocks;
- td->start_delay = def_thread.start_delay;
- td->timeout = def_thread.timeout;
- td->use_aio = def_thread.use_aio;
- td->create_file = def_thread.create_file;
- td->overwrite = def_thread.overwrite;
- td->invalidate_cache = def_thread.invalidate_cache;
- td->file_size = def_thread.file_size;
- td->file_offset = def_thread.file_offset;
- td->rate = def_thread.rate;
- td->ratemin = def_thread.ratemin;
- td->ratecycle = def_thread.ratecycle;
- td->aio_depth = def_thread.aio_depth;
- td->sync_io = def_thread.sync_io;
- td->mem_type = def_thread.mem_type;
- td->bw_avg_time = def_thread.bw_avg_time;
- td->create_serialize = def_thread.create_serialize;
- td->create_fsync = def_thread.create_fsync;
- td->loops = def_thread.loops;
- td->verify = def_thread.verify;
- td->stonewall = def_thread.stonewall;
- memcpy(&td->cpumask, &def_thread.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 *filename, int prioclass,
- int prio)
-{
- if (td == &def_thread)
- return 0;
-
- strcpy(td->file_name, filename);
- 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 && !td->aio_depth)
- td->aio_depth = 1;
-
- 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 (setup_rate(td))
- return -1;
-
- if (write_lat_log)
- setup_log(&td->lat_log);
- if (write_bw_log)
- setup_log(&td->bw_log);
-
- printf("Client%d: file=%s, rw=%d, prio=%d/%d, seq=%d, odir=%d, bs=%d-%d, rate=%d, aio=%d, aio_depth=%d\n", td->thread_number, filename, td->ddir, prioclass, prio, td->sequential, td->odirect, td->min_bs, td->max_bs, td->rate, td->use_aio, td->aio_depth);
- 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);
- }
-}
-
-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_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 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 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);
- if (!td)
- break;
-
- 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, "verify", &td->verify)) {
- 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_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 (!strncmp(p, "sequential", 10)) {
- td->sequential = 1;
- fgetpos(f, &off);
- continue;
- }
- if (!strncmp(p, "random", 6)) {
- td->sequential = 0;
- fgetpos(f, &off);
- continue;
- }
- if (!strncmp(p, "aio", 3)) {
- td->use_aio = 1;
- fgetpos(f, &off);
- continue;
- }
- if (!strncmp(p, "create", 6)) {
- td->create_file = 1;
- fgetpos(f, &off);
- continue;
- }
- if (!strncmp(p, "overwrite", 9)) {
- td->overwrite = 1;
- fgetpos(f, &off);
- continue;
- }
- if (!strncmp(p, "exitall", 7)) {
- exitall_on_terminate = 1;
- fgetpos(f, &off);
- continue;
- }
- if (!strncmp(p, "stonewall", 9)) {
- td->stonewall = 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))
- put_job(td);
- }
-
- free(string);
- free(name);
- fclose(f);
- return 0;
-}
-
-static int parse_options(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;
- }
- }
-
- return i;
+ printf(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu\n", usr_cpu, sys_cpu, td->ctx);
}
static void print_thread_status(struct thread_data *td, int nr_running,
continue;
td_set_runstate(td, TD_REAPED);
- waitpid(td->pid, NULL, 0);
+
+ if (td->use_thread) {
+ long ret;
+
+ if (pthread_join(td->thread, (void *) &ret))
+ perror("thread_join");
+ } else
+ waitpid(td->pid, NULL, 0);
+
(*nr_running)--;
(*m_rate) -= td->ratemin;
(*t_rate) -= td->rate;
check_str_update(td, *nr_running, *t_rate, *m_rate);
-
- if (td->terminate)
- continue;
}
}
}
if (td->stonewall && (nr_started || nr_running))
- continue;
+ break;
td_set_runstate(td, TD_CREATED);
check_str_update(td, nr_running, t_rate, m_rate);
todo--;
nr_started++;
- if (fork())
- sem_wait(&startup_sem);
- else {
- thread_main(shm_id, i, argv);
- exit(0);
+ if (td->use_thread) {
+ if (pthread_create(&td->thread, NULL, thread_main, td)) {
+ perror("thread_create");
+ nr_started--;
+ }
+ } else {
+ if (fork())
+ sem_wait(&startup_sem);
+ else {
+ fork_main(shm_id, i);
+ exit(0);
+ }
}
}
for (i = 0; i < thread_number; i++) {
struct thread_data *td = &threads[i];
- if (td->runstate == TD_RUNNING)
- run_str[td->thread_number - 1] = '+';
- else if (td->runstate == TD_VERIFYING)
- run_str[td->thread_number - 1] = 'V';
- else
+ if (td->runstate != TD_RUNNING &&
+ td->runstate != TD_VERIFYING)
continue;
check_str_update(td, nr_running, t_rate, m_rate);
}
}
-int setup_thread_area(void)
+static void show_group_stats(struct group_run_stats *rs, int id)
{
- /*
- * 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);
+ printf("\nRun status group %d:\n", id);
- shm_id = shmget(0, s, IPC_CREAT | 0600);
- if (shm_id != -1)
- break;
- if (errno != EINVAL) {
- perror("shmget");
- break;
- }
+ if (rs->max_run[DDIR_READ])
+ printf(" READ: io=%luMiB, aggrb=%lu, minb=%lu, maxb=%lu, mint=%lumsec, maxt=%lumsec\n", rs->io_mb[0], rs->agg[0], rs->min_bw[0], rs->max_bw[0], rs->min_run[0], rs->max_run[0]);
+ if (rs->max_run[DDIR_WRITE])
+ printf(" WRITE: io=%luMiB, aggrb=%lu, minb=%lu, maxb=%lu, mint=%lumsec, maxt=%lumsec\n", rs->io_mb[1], rs->agg[1], rs->min_bw[1], rs->max_bw[1], rs->min_run[1], rs->max_run[1]);
+}
- max_jobs >>= 1;
- } while (max_jobs);
+static void show_run_stats(void)
+{
+ struct group_run_stats *runstats, *rs;
+ struct thread_data *td;
+ int i;
- if (shm_id == -1)
- return 1;
+ runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
- threads = shmat(shm_id, NULL, 0);
- if (threads == (void *) -1) {
- perror("shmat");
- return 1;
+ for (i = 0; i < groupid + 1; i++) {
+ rs = &runstats[i];
+
+ memset(rs, 0, sizeof(*rs));
+ rs->min_bw[0] = rs->min_run[0] = ~0UL;
+ rs->min_bw[1] = rs->min_run[1] = ~0UL;
}
- atexit(free_shm);
- return 0;
-}
+ for (i = 0; i < thread_number; i++) {
+ unsigned long bw = 0;
-int main(int argc, char *argv[])
-{
- static unsigned long max_run[2], min_run[2];
- static unsigned long max_bw[2], min_bw[2];
- static unsigned long io_mb[2], agg[2];
- int i;
+ td = &threads[i];
- if (setup_thread_area())
- return 1;
+ if (td->error)
+ continue;
- if (sched_getaffinity(getpid(), sizeof(cpu_set_t), &def_thread.cpumask) == -1) {
- perror("sched_getaffinity");
- return 1;
- }
+ rs = &runstats[td->groupid];
- /*
- * 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;
-
- i = parse_options(argc, argv);
-
- if (!ini_file) {
- printf("Need job file\n");
- return 1;
- }
+ if (td->runtime < rs->min_run[td->ddir])
+ rs->min_run[td->ddir] = td->runtime;
+ if (td->runtime > rs->max_run[td->ddir])
+ rs->max_run[td->ddir] = td->runtime;
- if (parse_jobs_ini(ini_file))
- return 1;
+ if (td->runtime)
+ bw = td->io_bytes / td->runtime;
+ if (bw < rs->min_bw[td->ddir])
+ rs->min_bw[td->ddir] = bw;
+ if (bw > rs->max_bw[td->ddir])
+ rs->max_bw[td->ddir] = bw;
- if (!thread_number) {
- printf("Nothing to do\n");
- return 1;
+ rs->io_mb[td->ddir] += td->io_bytes >> 20;
}
- run_threads(argv);
+ for (i = 0; i < groupid + 1; i++) {
+ rs = &runstats[i];
+
+ if (rs->max_run[0])
+ rs->agg[0] = (rs->io_mb[0]*1024*1000) / rs->max_run[0];
+ if (rs->max_run[1])
+ rs->agg[1] = (rs->io_mb[1]*1024*1000) / rs->max_run[1];
+ }
- min_bw[0] = min_run[0] = ~0UL;
- min_bw[1] = min_run[1] = ~0UL;
- io_mb[0] = io_mb[1] = 0;
- agg[0] = agg[1] = 0;
for (i = 0; i < thread_number; i++) {
- struct thread_data *td = &threads[i];
- unsigned long bw = 0;
+ td = &threads[i];
+ rs = &runstats[td->groupid];
- if (!td->error) {
- if (td->runtime < min_run[td->ddir])
- min_run[td->ddir] = td->runtime;
- if (td->runtime > max_run[td->ddir])
- max_run[td->ddir] = td->runtime;
+ if (!td->error)
+ show_thread_status(td, rs);
+ }
- if (td->runtime)
- bw = td->io_bytes / td->runtime;
- if (bw < min_bw[td->ddir])
- min_bw[td->ddir] = bw;
- if (bw > max_bw[td->ddir])
- max_bw[td->ddir] = bw;
+ for (i = 0; i < groupid + 1; i++)
+ show_group_stats(&runstats[i], i);
+}
- io_mb[td->ddir] += td->io_bytes >> 20;
- }
+int main(int argc, char *argv[])
+{
+ memset(run_str, 0, sizeof(run_str));
+
+ if (parse_options(argc, argv))
+ return 1;
- show_thread_status(td);
+ if (!thread_number) {
+ printf("Nothing to do\n");
+ return 1;
}
-
- if (max_run[0])
- agg[0] = (io_mb[0] * 1024 * 1000) / max_run[0];
- if (max_run[1])
- agg[1] = (io_mb[1] * 1024 * 1000) / max_run[1];
-
- printf("\nRun status:\n");
- if (max_run[DDIR_READ])
- printf(" READ: io=%luMiB, aggrb=%lu, minb=%lu, maxb=%lu, mint=%lumsec, maxt=%lumsec\n", io_mb[0], agg[0], min_bw[0], max_bw[0], min_run[0], max_run[0]);
- if (max_run[DDIR_WRITE])
- printf(" WRITE: io=%luMiB, aggrb=%lu, minb=%lu, maxb=%lu, mint=%lumsec, maxt=%lumsec\n", io_mb[1], agg[1], min_bw[1], max_bw[1], min_run[1], max_run[1]);
+
+ run_threads(argv);
+ show_run_stats();
return 0;
}