} 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);
}
-int finish_log_named(struct thread_data *td, struct io_log *log,
- const char *prefix, const char *postfix, int trylock)
+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];
return 0;
}
-int finish_log(struct thread_data *td, struct io_log *log, const char *name,
- int trylock)
+static int finish_log(struct thread_data *td, struct io_log *log,
+ const char *name, int trylock)
{
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);
+}