*/
#include <stdio.h>
#include <stdlib.h>
+#include <libgen.h>
#include <assert.h>
-#include "list.h"
+#include "flist.h"
#include "fio.h"
+#include "verify.h"
static const char iolog_ver2[] = "fio version 2 iolog";
void queue_io_piece(struct thread_data *td, struct io_piece *ipo)
{
- list_add_tail(&ipo->list, &td->io_log_list);
+ flist_add_tail(&ipo->list, &td->io_log_list);
td->total_io_size += ipo->len;
}
void log_io_u(struct thread_data *td, struct io_u *io_u)
{
- const char *act[] = { "read", "write", "sync" };
+ const char *act[] = { "read", "write", "sync", "datasync",
+ "sync_file_range" };
- assert(io_u->ddir < 3);
+ assert(io_u->ddir <= 4);
if (!td->o.write_iolog_file)
return;
if (!td->o.write_iolog_file)
return;
+
+ /*
+ * this happens on the pre-open/close done before the job starts
+ */
+ if (!td->iolog_f)
+ return;
+
fprintf(td->iolog_f, "%s %s\n", f->file_name, act[what]);
}
switch (ipo->file_action) {
case FIO_LOG_OPEN_FILE:
ret = td_io_open_file(td, f);
- if (!ret) {
- free(ipo);
+ if (!ret)
break;
- }
td_verror(td, ret, "iolog open file");
return -1;
case FIO_LOG_CLOSE_FILE:
int read_iolog_get(struct thread_data *td, struct io_u *io_u)
{
struct io_piece *ipo;
-
- while (!list_empty(&td->io_log_list)) {
+ unsigned long elapsed;
+
+ while (!flist_empty(&td->io_log_list)) {
int ret;
- ipo = list_entry(td->io_log_list.next, struct io_piece, list);
- list_del(&ipo->list);
+ ipo = flist_entry(td->io_log_list.next, struct io_piece, list);
+ flist_del(&ipo->list);
ret = ipo_special(td, ipo);
if (ret < 0) {
continue;
}
- io_u->offset = ipo->offset;
- io_u->buflen = ipo->len;
io_u->ddir = ipo->ddir;
- io_u->file = td->files[ipo->fileno];
- get_file(io_u->file);
-
- dprint(FD_IO, "iolog: get %llu/%lu/%s\n", io_u->offset,
- io_u->buflen, io_u->file->file_name);
-
- if (ipo->delay)
- iolog_delay(td, ipo->delay);
+ if (ipo->ddir != DDIR_WAIT) {
+ io_u->offset = ipo->offset;
+ io_u->buflen = ipo->len;
+ io_u->file = td->files[ipo->fileno];
+ get_file(io_u->file);
+
+ dprint(FD_IO, "iolog: get %llu/%lu/%s\n", io_u->offset,
+ io_u->buflen, io_u->file->file_name);
+ if (ipo->delay) iolog_delay(td, ipo->delay);
+ } else {
+ elapsed = mtime_since_genesis();
+ if (ipo->delay > elapsed)
+ usec_sleep(td, (ipo->delay - elapsed) * 1000);
+
+ }
free(ipo);
- return 0;
+
+ if (ipo->ddir != DDIR_WAIT)
+ return 0;
}
td->done = 1;
free(ipo);
}
- while (!list_empty(&td->io_hist_list)) {
- ipo = list_entry(td->io_hist_list.next, struct io_piece, list);
- list_del(&ipo->list);
+ while (!flist_empty(&td->io_hist_list)) {
+ ipo = flist_entry(td->io_hist_list.next, struct io_piece, list);
+ flist_del(&ipo->list);
free(ipo);
}
}
*
* For both these cases, just reading back data in the order we
* wrote it out is the fastest.
+ *
+ * One exception is if we don't have a random map AND we are doing
+ * verifies, in that case we need to check for duplicate blocks and
+ * drop the old one, which we rely on the rb insert/lookup for
+ * handling.
*/
- if (!td_random(td) || !td->o.overwrite) {
- INIT_LIST_HEAD(&ipo->list);
- list_add_tail(&ipo->list, &td->io_hist_list);
+ if ((!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);
return;
}
RB_CLEAR_NODE(&ipo->rb_node);
- p = &td->io_hist_tree.rb_node;
- parent = NULL;
/*
* Sort the entry into the verification list
*/
+restart:
+ p = &td->io_hist_tree.rb_node;
+ parent = NULL;
while (*p) {
parent = *p;
__ipo = rb_entry(parent, struct io_piece, rb_node);
- if (ipo->offset <= __ipo->offset)
+ if (ipo->offset < __ipo->offset)
p = &(*p)->rb_left;
- else
+ else if (ipo->offset > __ipo->offset)
p = &(*p)->rb_right;
+ else {
+ assert(ipo->len == __ipo->len);
+ rb_erase(parent, &td->io_hist_tree);
+ goto restart;
+ }
}
rb_link_node(&ipo->rb_node, parent, p);
{
unsigned long long offset;
unsigned int bytes;
- int reads, writes, fileno = 0, file_action = 0; /* stupid gcc */
+ int reads, writes, waits, fileno = 0, file_action = 0; /* stupid gcc */
char *fname, *act;
char *str, *p;
enum fio_ddir rw;
fname = malloc(256+16);
act = malloc(256+16);
- reads = writes = 0;
+ reads = writes = waits = 0;
while ((p = fgets(str, 4096, f)) != NULL) {
struct io_piece *ipo;
int r;
/*
* Check action first
*/
- if (!strcmp(act, "read"))
+ if (!strcmp(act, "wait"))
+ rw = DDIR_WAIT;
+ else if (!strcmp(act, "read"))
rw = DDIR_READ;
else if (!strcmp(act, "write"))
rw = DDIR_WRITE;
else if (!strcmp(act, "sync"))
rw = DDIR_SYNC;
+ else if (!strcmp(act, "datasync"))
+ rw = DDIR_DATASYNC;
else {
log_err("fio: bad iolog file action: %s\n",
act);
if (read_only)
continue;
writes++;
- } else if (rw != DDIR_SYNC && rw != DDIR_INVAL) {
+ } else if (rw == DDIR_WAIT) {
+ waits++;
+ } else if (rw == DDIR_INVAL) {
+ } else if (!ddir_sync(rw)) {
log_err("bad ddir: %d\n", rw);
continue;
}
*/
ipo = malloc(sizeof(*ipo));
memset(ipo, 0, sizeof(*ipo));
- INIT_LIST_HEAD(&ipo->list);
- ipo->offset = offset;
- ipo->len = bytes;
+ INIT_FLIST_HEAD(&ipo->list);
ipo->ddir = rw;
- if (bytes > td->o.max_bs[rw])
- td->o.max_bs[rw] = bytes;
- if (rw == DDIR_INVAL) {
+ if (rw == DDIR_WAIT) {
+ ipo->delay = offset;
+ } else {
+ ipo->offset = offset;
+ ipo->len = bytes;
+ if (bytes > td->o.max_bs[rw])
+ td->o.max_bs[rw] = bytes;
ipo->fileno = fileno;
ipo->file_action = file_action;
}
+
queue_io_piece(td, ipo);
}
writes = 0;
}
- if (!reads && !writes)
+ if (!reads && !writes && !waits)
return 1;
else if (reads && !writes)
td->o.td_ddir = TD_DDIR_READ;
FILE *f;
unsigned int i;
- f = fopen(td->o.write_iolog_file, "w+");
+ f = fopen(td->o.write_iolog_file, "a");
if (!f) {
perror("fopen write iolog");
return 1;
{
int ret = 0;
- if (td->io_ops->flags & FIO_DISKLESSIO)
- return 0;
-
if (td->o.read_iolog_file) {
/*
* Check if it's a blktrace file and load that if possible.
unsigned int i;
FILE *f;
- f = fopen(name, "w");
+ f = fopen(name, "a");
if (!f) {
perror("fopen log");
return;
}
for (i = 0; i < log->nr_samples; i++) {
- fprintf(f, "%lu, %lu, %u\n", log->log[i].time, log->log[i].val,
- log->log[i].ddir);
+ fprintf(f, "%lu, %lu, %u, %u\n", log->log[i].time,
+ log->log[i].val,
+ log->log[i].ddir,
+ log->log[i].bs);
}
fclose(f);
free(log);
}
-void finish_log(struct thread_data *td, struct io_log *log, const char *name)
+void finish_log_named(struct thread_data *td, struct io_log *log,
+ const char *prefix, const char *postfix)
{
char file_name[256], *p;
- snprintf(file_name, 200, "%s_%s.log", td->o.name, name);
+ snprintf(file_name, 200, "%s_%s.log", prefix, postfix);
p = basename(file_name);
__finish_log(log, p);
}
+
+void finish_log(struct thread_data *td, struct io_log *log, const char *name)
+{
+ finish_log_named(td, log, td->o.name, name);
+}