*/
#include <stdio.h>
#include <stdlib.h>
+#include <libgen.h>
#include <assert.h>
#include "list.h"
#include "fio.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);
+ 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" };
if (!td->o.write_iolog_file)
return;
- fprintf(td->iolog_f, "%s %s %llu %lu\n", io_u->file->file_name, act[io_u->ddir], io_u->offset, io_u->buflen);
+ fprintf(td->iolog_f, "%s %s %llu %lu\n", io_u->file->file_name,
+ act[io_u->ddir], io_u->offset,
+ io_u->buflen);
}
void log_file(struct thread_data *td, struct fio_file *f,
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]);
}
usec_sleep(td, delay);
}
+static int ipo_special(struct thread_data *td, struct io_piece *ipo)
+{
+ struct fio_file *f;
+ int ret;
+
+ /*
+ * Not a special ipo
+ */
+ if (ipo->ddir != DDIR_INVAL)
+ return 0;
+
+ f = td->files[ipo->fileno];
+
+ switch (ipo->file_action) {
+ case FIO_LOG_OPEN_FILE:
+ ret = td_io_open_file(td, f);
+ if (!ret) {
+ free(ipo);
+ break;
+ }
+ td_verror(td, ret, "iolog open file");
+ return -1;
+ case FIO_LOG_CLOSE_FILE:
+ td_io_close_file(td, f);
+ break;
+ case FIO_LOG_UNLINK_FILE:
+ unlink(f->file_name);
+ break;
+ default:
+ log_err("fio: bad file action %d\n", ipo->file_action);
+ break;
+ }
+
+ return 1;
+}
+
int read_iolog_get(struct thread_data *td, struct io_u *io_u)
{
struct io_piece *ipo;
while (!list_empty(&td->io_log_list)) {
+ int ret;
+
ipo = list_entry(td->io_log_list.next, struct io_piece, list);
list_del(&ipo->list);
- /*
- * invalid ddir, this is a file action
- */
- if (ipo->ddir == DDIR_INVAL) {
- struct fio_file *f = &td->files[ipo->fileno];
-
- if (ipo->file_action == FIO_LOG_OPEN_FILE) {
- assert(!td_io_open_file(td, f));
- free(ipo);
- continue;
- } else if (ipo->file_action == FIO_LOG_CLOSE_FILE) {
- td_io_close_file(td, f);
- free(ipo);
- continue;
- }
+ ret = ipo_special(td, ipo);
+ if (ret < 0) {
+ free(ipo);
+ break;
+ } else if (ret > 0) {
+ free(ipo);
+ continue;
}
io_u->offset = ipo->offset;
io_u->buflen = ipo->len;
io_u->ddir = ipo->ddir;
- io_u->file = &td->files[ipo->fileno];
+ io_u->file = td->files[ipo->fileno];
get_file(io_u->file);
dprint(FD_IO, "iolog: get %llu/%lu/%s\n", io_u->offset,
struct io_piece *ipo;
int r;
- r = sscanf(p, "%256s %256s %llu %u", fname, act, &offset, &bytes);
+ r = sscanf(p, "%256s %256s %llu %u", fname, act, &offset,
+ &bytes);
if (r == 4) {
/*
* Check action first
else if (!strcmp(act, "sync"))
rw = DDIR_SYNC;
else {
- log_err("fio: bad iolog file action: %s\n",act);
+ log_err("fio: bad iolog file action: %s\n",
+ act);
continue;
}
} else if (r == 2) {
fileno = get_fileno(td, fname);
file_action = FIO_LOG_CLOSE_FILE;
} else {
- log_err("fio: bad iolog file action: %s\n",act);
+ log_err("fio: bad iolog file action: %s\n",
+ act);
continue;
}
} else {
log_err("bad iolog2: %s", p);
continue;
}
-
+
if (rw == DDIR_READ)
reads++;
else if (rw == DDIR_WRITE) {
- writes++;
/*
* Don't add a write for ro mode
*/
if (read_only)
continue;
+ writes++;
} else if (rw != DDIR_SYNC && rw != DDIR_INVAL) {
log_err("bad ddir: %d\n", rw);
continue;
ipo->fileno = fileno;
ipo->file_action = file_action;
}
- list_add_tail(&ipo->list, &td->io_log_list);
- td->total_io_size += bytes;
+ queue_io_piece(td, ipo);
}
free(str);
free(fname);
if (writes && read_only) {
- log_err("fio: <%s> skips replay of %d writes due to read-only\n", td->o.name, writes);
- writes = 0;
- }
-
- if (!reads && !writes)
- return 1;
- else if (reads && !writes)
- td->o.td_ddir = TD_DDIR_READ;
- else if (!reads && writes)
- td->o.td_ddir = TD_DDIR_WRITE;
- else
- td->o.td_ddir = TD_DDIR_RW;
-
- return 0;
-}
-
-/*
- * Read version 1 iolog data.
- */
-static int read_iolog(struct thread_data *td, FILE *f)
-{
- unsigned long long offset;
- unsigned int bytes;
- char *str, *p;
- int reads, writes;
- int rw;
-
- /*
- * Read in the read iolog and store it, reuse the infrastructure
- * for doing verifications.
- */
- str = malloc(4096);
- reads = writes = 0;
- while ((p = fgets(str, 4096, f)) != NULL) {
- struct io_piece *ipo;
-
- if (sscanf(p, "%d,%llu,%u", &rw, &offset, &bytes) != 3) {
- log_err("bad iolog: %s\n", p);
- continue;
- }
- if (rw == DDIR_READ)
- reads++;
- else if (rw == DDIR_WRITE) {
- writes++;
- /*
- * Don't add a write for ro mode
- */
- if (read_only)
- continue;
- } else if (rw != DDIR_SYNC) {
- 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;
- ipo->ddir = (enum fio_ddir) rw;
- if (bytes > td->o.max_bs[rw])
- td->o.max_bs[rw] = bytes;
- list_add_tail(&ipo->list, &td->io_log_list);
- td->total_io_size += bytes;
- }
-
- free(str);
-
- if (writes && read_only) {
- log_err("fio: <%s> skips replay of %d writes due to read-only\n", td->o.name, writes);
+ log_err("fio: <%s> skips replay of %d writes due to"
+ " read-only\n", td->o.name, writes);
writes = 0;
}
if (!strncmp(iolog_ver2, buffer, strlen(iolog_ver2)))
ret = read_iolog2(td, f);
else {
- /*
- * seek back to the beginning
- */
- if (fseek(f, 0, SEEK_SET) < 0) {
- td_verror(td, errno, "iolog read");
- log_err("fio: unable to read iolog\n");
- return 1;
- }
-
- ret = read_iolog(td, f);
+ log_err("fio: iolog version 1 is no longer supported\n");
+ ret = 1;
}
fclose(f);
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);
+ 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);
+ }
fclose(f);
free(log->log);
void finish_log(struct thread_data *td, struct io_log *log, const char *name)
{
- char file_name[256];
+ char file_name[256], *p;
- snprintf(file_name, 200, "client%d_%s.log", td->thread_number, name);
- __finish_log(log, file_name);
+ snprintf(file_name, 200, "%s_%s.log", td->o.name, name);
+ p = basename(file_name);
+ __finish_log(log, p);
}
projects / fio.git / blobdiff