#include "fio.h"
#include "parse.h"
+#include "smalloc.h"
+#include "filehash.h"
-static char fio_version_string[] = "fio 1.16.7";
+static char fio_version_string[] = "fio 1.20-rc1";
#define FIO_RANDSEED (0xb1899bedUL)
int exitall_on_terminate = 0;
int terse_output = 0;
+int eta_print;
unsigned long long mlock_size = 0;
FILE *f_out = NULL;
FILE *f_err = NULL;
+char *job_section = NULL;
int write_bw_log = 0;
+int read_only = 0;
static int def_timeout = 0;
static int write_lat_log = 0;
static int prev_group_jobs;
+unsigned long fio_debug = 0;
+
/*
* Command line options. These will contain the above, plus a few
* extra that only pertain to fio itself and not jobs.
{
.name = "showcmd",
.has_arg = no_argument,
- .val = 's'
+ .val = 's',
+ },
+ {
+ .name = "readonly",
+ .has_arg = no_argument,
+ .val = 'r',
+ },
+ {
+ .name = "eta",
+ .has_arg = required_argument,
+ .val = 'e',
+ },
+ {
+ .name = "debug",
+ .has_arg = required_argument,
+ .val = 'd',
+ },
+ {
+ .name = "section",
+ .has_arg = required_argument,
+ .val = 'x',
},
{
.name = NULL,
{
struct thread_options *o = &td->o;
+ if (read_only && td_write(td)) {
+ log_err("fio: job <%s> has write bit set, but fio is in read-only mode\n", td->o.name);
+ return 1;
+ }
+
if (o->rwmix[DDIR_READ] + o->rwmix[DDIR_WRITE] > 100)
o->rwmix[DDIR_WRITE] = 100 - o->rwmix[DDIR_READ];
o->write_iolog_file = NULL;
}
- if (td->io_ops->flags & FIO_SYNCIO)
- o->iodepth = 1;
- else {
- if (!o->iodepth)
- o->iodepth = o->open_files;
- }
-
/*
* only really works for sequential io for now, and with 1 file
*/
if (!o->file_size_high)
o->file_size_high = o->file_size_low;
- if (td_read(td) && !td_rw(td))
- o->verify = 0;
-
if (o->norandommap && o->verify != VERIFY_NONE) {
log_err("fio: norandommap given, verify disabled\n");
o->verify = VERIFY_NONE;
o->time_based = 0;
}
+ if (o->fill_device && !o->size)
+ o->size = ULONG_LONG_MAX;
+
+ if (td_rw(td) && td->o.verify != VERIFY_NONE)
+ log_info("fio: mixed read/write workload with verify. May not "
+ "work as expected, unless you pre-populated the file\n");
+
return 0;
}
f->real_file_size = -1ULL;
}
- td->mutex = fio_sem_init(0);
+ td->mutex = fio_mutex_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;
return -1;
}
+static int skip_this_section(const char *name)
+{
+ if (!job_section)
+ return 0;
+ if (!strncmp(name, "global", 6))
+ return 0;
+
+ return strncmp(job_section, name, strlen(job_section));
+}
+
static int is_empty_or_comment(char *line)
{
unsigned int i;
unsigned int global;
struct thread_data *td;
char *string, *name;
- fpos_t off;
FILE *f;
char *p;
int ret = 0, stonewall;
int first_sect = 1;
+ int skip_fgets = 0;
+ int inside_skip = 0;
+
+ if (!strcmp(file, "-"))
+ f = stdin;
+ else
+ f = fopen(file, "r");
- f = fopen(file, "r");
if (!f) {
perror("fopen job file");
return 1;
stonewall = stonewall_flag;
do {
- p = fgets(string, 4095, f);
- if (!p)
- break;
+ /*
+ * if skip_fgets is set, we already have loaded a line we
+ * haven't handled.
+ */
+ if (!skip_fgets) {
+ p = fgets(string, 4095, f);
+ if (!p)
+ break;
+ }
+ skip_fgets = 0;
strip_blank_front(&p);
strip_blank_end(p);
if (is_empty_or_comment(p))
continue;
if (sscanf(p, "[%255s]", name) != 1) {
+ if (inside_skip)
+ continue;
log_err("fio: option <%s> outside of [] job section\n", p);
break;
}
+ if (skip_this_section(name)) {
+ inside_skip = 1;
+ continue;
+ } else
+ inside_skip = 0;
+
global = !strncmp(name, "global", 6);
name[strlen(name) - 1] = '\0';
stonewall = 0;
}
- fgetpos(f, &off);
while ((p = fgets(string, 4096, f)) != NULL) {
if (is_empty_or_comment(p))
continue;
strip_blank_front(&p);
- if (p[0] == '[')
+ /*
+ * new section, break out and make sure we don't
+ * fgets() a new line at the top.
+ */
+ if (p[0] == '[') {
+ skip_fgets = 1;
break;
+ }
strip_blank_end(p);
- fgetpos(f, &off);
-
/*
* Don't break here, continue parsing options so we
* dump all the bad ones. Makes trial/error fixups
log_info("--%s ", p);
}
- if (!ret) {
- fsetpos(f, &off);
+ if (!ret)
ret = add_job(td, name, 0);
- } else {
+ else {
log_err("fio: job %s dropped\n", name);
put_job(td);
}
free(string);
free(name);
- fclose(f);
+ if (f != stdin)
+ fclose(f);
return ret;
}
threads = NULL;
shmctl(shm_id, IPC_RMID, &sbuf);
}
+
+ scleanup();
}
/*
* 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.
+ * all the job info. We use the end of the region for keeping track of
+ * open files across jobs, for file sharing.
*/
static int setup_thread_area(void)
{
+ void *hash;
+
/*
* 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);
+ size += file_hash_size;
+
shm_id = shmget(0, size, IPC_CREAT | 0600);
if (shm_id != -1)
break;
return 1;
}
+ memset(threads, 0, max_jobs * sizeof(struct thread_data));
+ hash = (void *) threads + max_jobs * sizeof(struct thread_data);
+ file_hash_init(hash);
atexit(free_shm);
return 0;
}
-static void usage(void)
+static void usage(const char *name)
{
printf("%s\n", fio_version_string);
+ printf("%s [options] [job options] <job file(s)>\n", name);
+ printf("\t--debug=options\tEnable debug logging\n");
printf("\t--output\tWrite output to file\n");
printf("\t--timeout\tRuntime in seconds\n");
printf("\t--latency-log\tGenerate per-job latency logs\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");
+ printf("\t--eta=when\tWhen ETA estimate should be printed\n");
+ printf("\t \tMay be \"always\", \"never\" or \"auto\"\n");
+ printf("\t--readonly\tTurn on safety read-only checks, preventing writes\n");
+ printf("\t--section=name\tOnly run specified section in job file\n");
+}
+
+#ifdef FIO_INC_DEBUG
+struct debug_level debug_levels[] = {
+ { .name = "process", .shift = FD_PROCESS, },
+ { .name = "file", .shift = FD_FILE, },
+ { .name = "io", .shift = FD_IO, },
+ { .name = "mem", .shift = FD_MEM, },
+ { .name = "blktrace", .shift = FD_BLKTRACE },
+ { .name = "verify", .shift = FD_VERIFY },
+ { .name = "random", .shift = FD_RANDOM },
+ { .name = "parse", .shift = FD_PARSE },
+ { },
+};
+
+static int set_debug(const char *string)
+{
+ struct debug_level *dl;
+ char *p = (char *) string;
+ char *opt;
+ int i;
+
+ if (!strcmp(string, "?") || !strcmp(string, "help")) {
+ int i;
+
+ log_info("fio: dumping debug options:");
+ for (i = 0; debug_levels[i].name; i++) {
+ dl = &debug_levels[i];
+ log_info("%s,", dl->name);
+ }
+ log_info("all\n");
+ return 1;
+ } else if (!strcmp(string, "all")) {
+ fio_debug = ~0UL;
+ return 0;
+ }
+
+ while ((opt = strsep(&p, ",")) != NULL) {
+ int found = 0;
+
+ for (i = 0; debug_levels[i].name; i++) {
+ dl = &debug_levels[i];
+ if (!strncmp(opt, dl->name, strlen(opt))) {
+ log_info("fio: set debug option %s\n", opt);
+ found = 1;
+ fio_debug |= (1UL << dl->shift);
+ break;
+ }
+ }
+
+ if (!found)
+ log_err("fio: debug mask %s not found\n", opt);
+ }
+ return 0;
+}
+#else
+static void set_debug(const char *string)
+{
+ log_err("fio: debug tracing not included in build\n");
+ return 1;
}
+#endif
static int parse_cmd_line(int argc, char *argv[])
{
struct thread_data *td = NULL;
- int c, ini_idx = 0, lidx, ret, dont_add_job = 0;
+ int c, ini_idx = 0, lidx, ret = 0, do_exit = 0, exit_val = 0;
while ((c = getopt_long_only(argc, argv, "", long_options, &lidx)) != -1) {
switch (c) {
terse_output = 1;
break;
case 'h':
- usage();
+ usage(argv[0]);
exit(0);
case 'c':
exit(fio_show_option_help(optarg));
case 's':
dump_cmdline = 1;
break;
+ case 'r':
+ read_only = 1;
+ break;
case 'v':
printf("%s\n", fio_version_string);
exit(0);
+ case 'e':
+ if (!strcmp("always", optarg))
+ eta_print = FIO_ETA_ALWAYS;
+ else if (!strcmp("never", optarg))
+ eta_print = FIO_ETA_NEVER;
+ break;
+ case 'd':
+ if (set_debug(optarg))
+ do_exit++;
+ break;
+ case 'x':
+ if (!strcmp(optarg, "global")) {
+ log_err("fio: can't use global as only section\n");
+ do_exit++;
+ exit_val = 1;
+ break;
+ }
+ if (job_section)
+ free(job_section);
+ job_section = strdup(optarg);
+ break;
case FIO_GETOPT_JOB: {
const char *opt = long_options[lidx].name;
char *val = optarg;
td = NULL;
}
if (!td) {
+ int is_section = !strncmp(opt, "name", 4);
int global = 0;
- if (strncmp(opt, "name", 4) ||
- !strncmp(val, "global", 6))
+ if (!is_section || !strncmp(val, "global", 6))
global = 1;
+ if (is_section && skip_this_section(val))
+ continue;
+
td = get_new_job(global, &def_thread);
if (!td)
return 0;
}
ret = fio_cmd_option_parse(td, opt, val);
- if (ret)
- dont_add_job = 1;
break;
}
default:
+ do_exit++;
+ exit_val = 1;
break;
}
}
+ if (do_exit)
+ exit(exit_val);
+
if (td) {
- if (dont_add_job)
- put_job(td);
- else {
+ if (!ret)
ret = add_job(td, td->o.name ?: "fio", 0);
- if (ret)
- put_job(td);
- }
+ if (ret)
+ put_job(td);
}
while (optind < argc) {
return ini_idx;
}
-
int parse_options(int argc, char *argv[])
{
int job_files, i;
return 0;
log_err("No jobs defined(s)\n");
+ usage(argv[0]);
return 1;
}
projects / fio.git / blobdiff