#include "fio.h"
#include "verify.h"
#include "trim.h"
+#include "filelock.h"
static const char iolog_ver2[] = "fio version 2 iolog";
static void iolog_delay(struct thread_data *td, unsigned long delay)
{
unsigned long usec = utime_since_now(&td->last_issue);
+ unsigned long this_delay;
if (delay < usec)
return;
if (delay < 100)
return;
- usec_sleep(td, delay);
+ while (delay && !td->terminate) {
+ this_delay = delay;
+ if (this_delay > 500000)
+ this_delay = 500000;
+
+ usec_sleep(td, this_delay);
+ delay -= this_delay;
+ }
}
static int ipo_special(struct thread_data *td, struct io_piece *ipo)
ipo->offset = io_u->offset;
ipo->len = io_u->buflen;
ipo->numberio = io_u->numberio;
+ ipo->flags = IP_F_IN_FLIGHT;
+
+ io_u->ipo = ipo;
if (io_u_should_trim(td, io_u)) {
flist_add_tail(&ipo->trim_list, &td->trim_list);
* drop the old one, which we rely on the rb insert/lookup for
* handling.
*/
- if ((!td_random(td) || !td->o.overwrite) &&
+ if (((!td->o.verifysort) || !td_random(td) || !td->o.overwrite) &&
(file_randommap(td, ipo->file) || td->o.verify == VERIFY_NONE)) {
INIT_FLIST_HEAD(&ipo->list);
flist_add_tail(&ipo->list, &td->io_hist_list);
td->io_hist_len++;
}
+void unlog_io_piece(struct thread_data *td, struct io_u *io_u)
+{
+ struct io_piece *ipo = io_u->ipo;
+
+ if (!ipo)
+ return;
+
+ if (ipo->flags & IP_F_ONRB)
+ rb_erase(&ipo->rb_node, &td->io_hist_tree);
+ else if (ipo->flags & IP_F_ONLIST)
+ flist_del(&ipo->list);
+
+ free(ipo);
+ io_u->ipo = NULL;
+ td->io_hist_len--;
+}
+
+void trim_io_piece(struct thread_data *td, struct io_u *io_u)
+{
+ struct io_piece *ipo = io_u->ipo;
+
+ if (!ipo)
+ return;
+
+ ipo->len = io_u->xfer_buflen - io_u->resid;
+}
+
void write_iolog_close(struct thread_data *td)
{
fflush(td->iolog_f);
} else if (r == 2) {
rw = DDIR_INVAL;
if (!strcmp(act, "add")) {
- td->o.nr_files++;
- fileno = add_file(td, fname);
+ fileno = add_file(td, fname, 0, 1);
file_action = FIO_LOG_ADD_FILE;
continue;
} else if (!strcmp(act, "open")) {
} else {
ipo->offset = offset;
ipo->len = bytes;
- if (bytes > td->o.max_bs[rw])
+ if (rw != DDIR_INVAL && bytes > td->o.max_bs[rw])
td->o.max_bs[rw] = bytes;
ipo->fileno = fileno;
ipo->file_action = file_action;
*log = l;
}
+#ifdef CONFIG_SETVBUF
+static void *set_file_buffer(FILE *f)
+{
+ size_t size = 1048576;
+ void *buf;
+
+ buf = malloc(size);
+ setvbuf(f, buf, _IOFBF, size);
+ return buf;
+}
+
+static void clear_file_buffer(void *buf)
+{
+ free(buf);
+}
+#else
+static void *set_file_buffer(FILE *f)
+{
+ return NULL;
+}
+
+static void clear_file_buffer(void *buf)
+{
+}
+#endif
+
void __finish_log(struct io_log *log, const char *name)
{
unsigned int i;
+ void *buf;
FILE *f;
f = fopen(name, "a");
return;
}
+ buf = set_file_buffer(f);
+
for (i = 0; i < log->nr_samples; i++) {
fprintf(f, "%lu, %lu, %u, %u\n",
(unsigned long) log->log[i].time,
}
fclose(f);
+ clear_file_buffer(buf);
free(log->log);
free(log);
}
-void finish_log_named(struct thread_data *td, struct io_log *log,
- const char *prefix, const char *postfix)
+static int finish_log_named(struct thread_data *td, struct io_log *log,
+ const char *prefix, const char *postfix,
+ int trylock)
{
- char file_name[256], *p;
+ char file_name[256];
snprintf(file_name, sizeof(file_name), "%s_%s.log", prefix, postfix);
- p = basename(file_name);
+
+ if (trylock) {
+ if (fio_trylock_file(file_name))
+ return 1;
+ } else
+ fio_lock_file(file_name);
if (td->client_type == FIO_CLIENT_TYPE_GUI) {
- fio_send_iolog(td, log, p);
+ fio_send_iolog(td, log, file_name);
free(log->log);
free(log);
} else
- __finish_log(log, p);
+ __finish_log(log, file_name);
+
+ fio_unlock_file(file_name);
+ return 0;
}
-void finish_log(struct thread_data *td, struct io_log *log, const char *name)
+static int finish_log(struct thread_data *td, struct io_log *log,
+ const char *name, int trylock)
{
- finish_log_named(td, log, td->o.name, name);
+ return finish_log_named(td, log, td->o.name, name, trylock);
+}
+
+static int write_this_log(struct thread_data *td, struct io_log *log,
+ const char *log_file, const char *name, int try)
+{
+ int ret;
+
+ if (!log)
+ return 0;
+
+ if (log_file)
+ ret = finish_log_named(td, log, log_file, name, try);
+ else
+ ret = finish_log(td, log, name, try);
+
+ return ret;
+}
+
+static int write_iops_log(struct thread_data *td, int try)
+{
+ struct thread_options *o = &td->o;
+
+ return write_this_log(td, td->iops_log, o->iops_log_file, "iops", try);
+}
+
+static int write_slat_log(struct thread_data *td, int try)
+{
+ struct thread_options *o = &td->o;
+
+ return write_this_log(td, td->slat_log, o->lat_log_file, "slat", try);
+}
+
+static int write_clat_log(struct thread_data *td, int try)
+{
+ struct thread_options *o = &td->o;
+
+ return write_this_log(td, td->clat_log, o->lat_log_file, "clat" , try);
+}
+
+static int write_lat_log(struct thread_data *td, int try)
+{
+ struct thread_options *o = &td->o;
+
+ return write_this_log(td, td->lat_log, o->lat_log_file, "lat", try);
+}
+
+static int write_bandw_log(struct thread_data *td, int try)
+{
+ struct thread_options *o = &td->o;
+
+ return write_this_log(td, td->bw_log, o->bw_log_file, "bw", try);
+}
+
+enum {
+ BW_LOG_MASK = 1,
+ LAT_LOG_MASK = 2,
+ SLAT_LOG_MASK = 4,
+ CLAT_LOG_MASK = 8,
+ IOPS_LOG_MASK = 16,
+
+ ALL_LOG_NR = 5,
+};
+
+struct log_type {
+ unsigned int mask;
+ int (*fn)(struct thread_data *, int);
+};
+
+static struct log_type log_types[] = {
+ {
+ .mask = BW_LOG_MASK,
+ .fn = write_bandw_log,
+ },
+ {
+ .mask = LAT_LOG_MASK,
+ .fn = write_lat_log,
+ },
+ {
+ .mask = SLAT_LOG_MASK,
+ .fn = write_slat_log,
+ },
+ {
+ .mask = CLAT_LOG_MASK,
+ .fn = write_clat_log,
+ },
+ {
+ .mask = IOPS_LOG_MASK,
+ .fn = write_iops_log,
+ },
+};
+
+void fio_writeout_logs(struct thread_data *td)
+{
+ unsigned int log_mask = 0;
+ unsigned int log_left = ALL_LOG_NR;
+ int old_state, i;
+
+ old_state = td_bump_runstate(td, TD_FINISHING);
+
+ finalize_logs(td);
+
+ while (log_left) {
+ int prev_log_left = log_left;
+
+ for (i = 0; i < ALL_LOG_NR && log_left; i++) {
+ struct log_type *lt = &log_types[i];
+ int ret;
+
+ if (!(log_mask & lt->mask)) {
+ ret = lt->fn(td, log_left != 1);
+ if (!ret) {
+ log_left--;
+ log_mask |= lt->mask;
+ }
+ }
+ }
+
+ if (prev_log_left == log_left)
+ usleep(5000);
+ }
+
+ td_restore_runstate(td, old_state);
}
projects / fio.git / blobdiff