static void populate_hdr(struct thread_data *td, struct io_u *io_u,
struct verify_header *hdr, unsigned int header_num,
unsigned int header_len);
-static void fill_hdr(struct verify_header *hdr, int verify_type, uint32_t len,
- uint64_t rand_seed);
-static void __fill_hdr(struct verify_header *hdr, int verify_type, uint32_t len,
- uint64_t rand_seed);
+static void fill_hdr(struct thread_data *td, struct io_u *io_u,
+ struct verify_header *hdr, unsigned int header_num,
+ unsigned int header_len, uint64_t rand_seed);
+static void __fill_hdr(struct thread_data *td, struct io_u *io_u,
+ struct verify_header *hdr, unsigned int header_num,
+ unsigned int header_len, uint64_t rand_seed);
void fill_buffer_pattern(struct thread_data *td, void *p, unsigned int len)
{
switch (verify_type) {
case VERIFY_NONE:
+ case VERIFY_HDR_ONLY:
case VERIFY_NULL:
case VERIFY_PATTERN:
len = 0;
case VERIFY_XXHASH:
len = sizeof(struct vhdr_xxhash);
break;
- case VERIFY_META:
- len = sizeof(struct vhdr_meta);
- break;
case VERIFY_SHA1:
len = sizeof(struct vhdr_sha1);
break;
struct verify_header shdr;
if (td->o.verify == VERIFY_PATTERN_NO_HDR) {
- __fill_hdr(&shdr, td->o.verify, vc->io_u->buflen, 0);
+ __fill_hdr(td, vc->io_u, &shdr, 0, vc->io_u->buflen, 0);
hdr = &shdr;
}
return EILSEQ;
}
-static int verify_io_u_meta(struct verify_header *hdr, struct vcont *vc)
-{
- struct thread_data *td = vc->td;
- struct vhdr_meta *vh = hdr_priv(hdr);
- struct io_u *io_u = vc->io_u;
- int ret = EILSEQ;
-
- dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len);
-
- if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval)
- ret = 0;
-
- if (td->o.verify_pattern_bytes)
- ret |= verify_io_u_pattern(hdr, vc);
-
- /*
- * For read-only workloads, the program cannot be certain of the
- * last numberio written to a block. Checking of numberio will be
- * done only for workloads that write data. For verify_only,
- * numberio will be checked in the last iteration when the correct
- * state of numberio, that would have been written to each block
- * in a previous run of fio, has been reached.
- */
- if ((td_write(td) || td_rw(td)) && (td_min_bs(td) == td_max_bs(td)) &&
- !td->o.time_based)
- if (!td->o.verify_only || td->o.loops == 0)
- if (vh->numberio != io_u->numberio)
- ret = EILSEQ;
-
- if (!ret)
- return 0;
-
- vc->name = "meta";
- log_verify_failure(hdr, vc);
- return ret;
-}
-
static int verify_io_u_xxhash(struct verify_header *hdr, struct vcont *vc)
{
void *p = io_u_verify_off(hdr, vc);
return 0;
}
+/*
+ * Thanks Rusty, for spending the time so I don't have to.
+ *
+ * http://rusty.ozlabs.org/?p=560
+ */
+static int mem_is_zero(const void *data, size_t length)
+{
+ const unsigned char *p = data;
+ size_t len;
+
+ /* Check first 16 bytes manually */
+ for (len = 0; len < 16; len++) {
+ if (!length)
+ return 1;
+ if (*p)
+ return 0;
+ p++;
+ length--;
+ }
+
+ /* Now we know that's zero, memcmp with self. */
+ return memcmp(data, p, length) == 0;
+}
+
+static int mem_is_zero_slow(const void *data, size_t length, size_t *offset)
+{
+ const unsigned char *p = data;
+
+ *offset = 0;
+ while (length) {
+ if (*p)
+ break;
+ (*offset)++;
+ length--;
+ p++;
+ }
+
+ return !length;
+}
+
static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u)
{
- static char zero_buf[1024];
- unsigned int this_len, len;
- int ret = 0;
- void *p;
+ size_t offset;
if (!td->o.trim_zero)
return 0;
- len = io_u->buflen;
- p = io_u->buf;
- do {
- this_len = sizeof(zero_buf);
- if (this_len > len)
- this_len = len;
- if (memcmp(p, zero_buf, this_len)) {
- ret = EILSEQ;
- break;
- }
- len -= this_len;
- p += this_len;
- } while (len);
-
- if (!ret)
+ if (mem_is_zero(io_u->buf, io_u->buflen))
return 0;
+ mem_is_zero_slow(io_u->buf, io_u->buflen, &offset);
+
log_err("trim: verify failed at file %s offset %llu, length %lu"
", block offset %lu\n",
io_u->file->file_name, io_u->offset, io_u->buflen,
- (unsigned long) (p - io_u->buf));
- return ret;
+ (unsigned long) offset);
+ return EILSEQ;
}
-static int verify_header(struct io_u *io_u, struct verify_header *hdr,
- unsigned int hdr_num, unsigned int hdr_len)
+static int verify_header(struct io_u *io_u, struct thread_data *td,
+ struct verify_header *hdr, unsigned int hdr_num,
+ unsigned int hdr_len)
{
void *p = hdr;
uint32_t crc;
hdr->rand_seed, io_u->rand_seed);
goto err;
}
+ if (hdr->offset != io_u->offset + hdr_num * td->o.verify_interval) {
+ log_err("verify: bad header offset %"PRIu64
+ ", wanted %llu",
+ hdr->offset, io_u->offset);
+ goto err;
+ }
+
+ /*
+ * For read-only workloads, the program cannot be certain of the
+ * last numberio written to a block. Checking of numberio will be
+ * done only for workloads that write data. For verify_only,
+ * numberio will be checked in the last iteration when the correct
+ * state of numberio, that would have been written to each block
+ * in a previous run of fio, has been reached.
+ */
+ if ((td_write(td) || td_rw(td)) && (td_min_bs(td) == td_max_bs(td)) &&
+ !td->o.time_based)
+ if (!td->o.verify_only || td->o.loops == 0)
+ if (hdr->numberio != io_u->numberio) {
+ log_err("verify: bad header numberio %"PRIu16
+ ", wanted %"PRIu16,
+ hdr->numberio, io_u->numberio);
+ goto err;
+ }
crc = fio_crc32c(p, offsetof(struct verify_header, crc32));
if (crc != hdr->crc32) {
log_err(" at file %s offset %llu, length %u\n",
io_u->file->file_name,
io_u->offset + hdr_num * hdr_len, hdr_len);
+
+ if (td->o.verify_dump)
+ dump_buf(p, hdr_len, io_u->offset + hdr_num * hdr_len,
+ "hdr_fail", io_u->file);
+
return EILSEQ;
}
io_u->rand_seed = hdr->rand_seed;
if (td->o.verify != VERIFY_PATTERN_NO_HDR) {
- ret = verify_header(io_u, hdr, hdr_num, hdr_inc);
+ ret = verify_header(io_u, td, hdr, hdr_num, hdr_inc);
if (ret)
return ret;
}
verify_type = hdr->verify_type;
switch (verify_type) {
+ case VERIFY_HDR_ONLY:
+ /* Header is always verified, check if pattern is left
+ * for verification. */
+ if (td->o.verify_pattern_bytes)
+ ret = verify_io_u_pattern(hdr, &vc);
+ break;
case VERIFY_MD5:
ret = verify_io_u_md5(hdr, &vc);
break;
case VERIFY_XXHASH:
ret = verify_io_u_xxhash(hdr, &vc);
break;
- case VERIFY_META:
- ret = verify_io_u_meta(hdr, &vc);
- break;
case VERIFY_SHA1:
ret = verify_io_u_sha1(hdr, &vc);
break;
return ret;
}
-static void fill_meta(struct verify_header *hdr, struct thread_data *td,
- struct io_u *io_u, unsigned int header_num)
-{
- struct vhdr_meta *vh = hdr_priv(hdr);
-
- vh->thread = td->thread_number;
-
- vh->time_sec = io_u->start_time.tv_sec;
- vh->time_usec = io_u->start_time.tv_usec;
-
- vh->numberio = io_u->numberio;
-
- vh->offset = io_u->offset + header_num * td->o.verify_interval;
-}
-
static void fill_xxhash(struct verify_header *hdr, void *p, unsigned int len)
{
struct vhdr_xxhash *vh = hdr_priv(hdr);
fio_md5_final(&md5_ctx);
}
-static void __fill_hdr(struct verify_header *hdr, int verify_type,
- uint32_t len, uint64_t rand_seed)
+static void __fill_hdr(struct thread_data *td, struct io_u *io_u,
+ struct verify_header *hdr, unsigned int header_num,
+ unsigned int header_len, uint64_t rand_seed)
{
void *p = hdr;
hdr->magic = FIO_HDR_MAGIC;
- hdr->verify_type = verify_type;
- hdr->len = len;
+ hdr->verify_type = td->o.verify;
+ hdr->len = header_len;
hdr->rand_seed = rand_seed;
+ hdr->offset = io_u->offset + header_num * td->o.verify_interval;
+ hdr->time_sec = io_u->start_time.tv_sec;
+ hdr->time_usec = io_u->start_time.tv_usec;
+ hdr->thread = td->thread_number;
+ hdr->numberio = io_u->numberio;
hdr->crc32 = fio_crc32c(p, offsetof(struct verify_header, crc32));
}
-static void fill_hdr(struct verify_header *hdr, int verify_type, uint32_t len,
- uint64_t rand_seed)
+static void fill_hdr(struct thread_data *td, struct io_u *io_u,
+ struct verify_header *hdr, unsigned int header_num,
+ unsigned int header_len, uint64_t rand_seed)
{
- if (verify_type != VERIFY_PATTERN_NO_HDR)
- __fill_hdr(hdr, verify_type, len, rand_seed);
+
+ if (td->o.verify != VERIFY_PATTERN_NO_HDR)
+ __fill_hdr(td, io_u, hdr, header_num, header_len, rand_seed);
}
static void populate_hdr(struct thread_data *td, struct io_u *io_u,
p = (void *) hdr;
- fill_hdr(hdr, td->o.verify, header_len, io_u->rand_seed);
+ fill_hdr(td, io_u, hdr, header_num, header_len, io_u->rand_seed);
data_len = header_len - hdr_size(td, hdr);
io_u, hdr->len);
fill_xxhash(hdr, data, data_len);
break;
- case VERIFY_META:
- dprint(FD_VERIFY, "fill meta io_u %p, len %u\n",
- io_u, hdr->len);
- fill_meta(hdr, td, io_u, header_num);
- break;
case VERIFY_SHA1:
dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n",
io_u, hdr->len);
fill_sha1(hdr, data, data_len);
break;
+ case VERIFY_HDR_ONLY:
case VERIFY_PATTERN:
case VERIFY_PATTERN_NO_HDR:
/* nothing to do here */
return 0;
}
+static int __fill_file_completions(struct thread_data *td,
+ struct thread_io_list *s,
+ struct fio_file *f, unsigned int *index)
+{
+ unsigned int comps;
+ int i, j;
+
+ if (!f->last_write_comp)
+ return 0;
+
+ if (td->io_blocks[DDIR_WRITE] < td->o.iodepth)
+ comps = td->io_blocks[DDIR_WRITE];
+ else
+ comps = td->o.iodepth;
+
+ j = f->last_write_idx - 1;
+ for (i = 0; i < comps; i++) {
+ if (j == -1)
+ j = td->o.iodepth - 1;
+ s->comps[*index].fileno = __cpu_to_le64(f->fileno);
+ s->comps[*index].offset = cpu_to_le64(f->last_write_comp[j]);
+ (*index)++;
+ j--;
+ }
+
+ return comps;
+}
+
+static int fill_file_completions(struct thread_data *td,
+ struct thread_io_list *s, unsigned int *index)
+{
+ struct fio_file *f;
+ unsigned int i;
+ int comps = 0;
+
+ for_each_file(td, f, i)
+ comps += __fill_file_completions(td, s, f, index);
+
+ return comps;
+}
+
struct all_io_list *get_all_io_list(int save_mask, size_t *sz)
{
struct all_io_list *rep;
continue;
td->stop_io = 1;
td->flags |= TD_F_VSTATE_SAVED;
- depth += td->o.iodepth;
+ depth += (td->o.iodepth * td->o.nr_files);
nr++;
}
*sz = sizeof(*rep);
*sz += nr * sizeof(struct thread_io_list);
- *sz += depth * sizeof(uint64_t);
+ *sz += depth * sizeof(struct file_comp);
rep = malloc(*sz);
+ memset(rep, 0, *sz);
rep->threads = cpu_to_le64((uint64_t) nr);
next = &rep->state[0];
for_each_td(td, i) {
struct thread_io_list *s = next;
- unsigned int comps;
+ unsigned int comps, index = 0;
if (save_mask != IO_LIST_ALL && (i + 1) != save_mask)
continue;
- if (td->last_write_comp) {
- int j, k;
-
- if (td->io_blocks[DDIR_WRITE] < td->o.iodepth)
- comps = td->io_blocks[DDIR_WRITE];
- else
- comps = td->o.iodepth;
-
- k = td->last_write_idx - 1;
- for (j = 0; j < comps; j++) {
- if (k == -1)
- k = td->o.iodepth - 1;
- s->offsets[j] = cpu_to_le64(td->last_write_comp[k]);
- k--;
- }
- } else
- comps = 0;
+ comps = fill_file_completions(td, s, &index);
s->no_comps = cpu_to_le64((uint64_t) comps);
s->depth = cpu_to_le64((uint64_t) td->o.iodepth);
+ s->nofiles = cpu_to_le64((uint64_t) td->o.nr_files);
s->numberio = cpu_to_le64((uint64_t) td->io_issues[DDIR_WRITE]);
s->index = cpu_to_le64((uint64_t) i);
if (td->random_state.use64) {
free(td->vstate);
}
-static struct thread_io_list *convert_v1_list(struct thread_io_list_v1 *s)
+void verify_assign_state(struct thread_data *td, void *p)
{
- struct thread_io_list *til;
+ struct thread_io_list *s = p;
int i;
- til = malloc(__thread_io_list_sz(s->no_comps));
- til->no_comps = s->no_comps;
- til->depth = s->depth;
- til->numberio = s->numberio;
- til->index = s->index;
- memcpy(til->name, s->name, sizeof(til->name));
-
- til->rand.use64 = 0;
- for (i = 0; i < 4; i++)
- til->rand.state32.s[i] = s->rand.s[i];
-
- for (i = 0; i < s->no_comps; i++)
- til->offsets[i] = s->offsets[i];
+ s->no_comps = le64_to_cpu(s->no_comps);
+ s->depth = le32_to_cpu(s->depth);
+ s->nofiles = le32_to_cpu(s->nofiles);
+ s->numberio = le64_to_cpu(s->numberio);
+ s->rand.use64 = le64_to_cpu(s->rand.use64);
- return til;
-}
-
-void verify_convert_assign_state(struct thread_data *td, void *p, int version)
-{
- struct thread_io_list *til;
- int i;
-
- if (version == 1) {
- struct thread_io_list_v1 *s = p;
-
- s->no_comps = le64_to_cpu(s->no_comps);
- s->depth = le64_to_cpu(s->depth);
- s->numberio = le64_to_cpu(s->numberio);
- for (i = 0; i < 4; i++)
- s->rand.s[i] = le32_to_cpu(s->rand.s[i]);
- for (i = 0; i < s->no_comps; i++)
- s->offsets[i] = le64_to_cpu(s->offsets[i]);
-
- til = convert_v1_list(s);
- free(s);
+ if (s->rand.use64) {
+ for (i = 0; i < 6; i++)
+ s->rand.state64.s[i] = le64_to_cpu(s->rand.state64.s[i]);
} else {
- struct thread_io_list *s = p;
-
- s->no_comps = le64_to_cpu(s->no_comps);
- s->depth = le64_to_cpu(s->depth);
- s->numberio = le64_to_cpu(s->numberio);
- s->rand.use64 = le64_to_cpu(s->rand.use64);
-
- if (s->rand.use64) {
- for (i = 0; i < 6; i++)
- s->rand.state64.s[i] = le64_to_cpu(s->rand.state64.s[i]);
- } else {
- for (i = 0; i < 4; i++)
- s->rand.state32.s[i] = le32_to_cpu(s->rand.state32.s[i]);
- }
- for (i = 0; i < s->no_comps; i++)
- s->offsets[i] = le64_to_cpu(s->offsets[i]);
+ for (i = 0; i < 4; i++)
+ s->rand.state32.s[i] = le32_to_cpu(s->rand.state32.s[i]);
+ }
- til = p;
+ for (i = 0; i < s->no_comps; i++) {
+ s->comps[i].fileno = le64_to_cpu(s->comps[i].fileno);
+ s->comps[i].offset = le64_to_cpu(s->comps[i].offset);
}
- td->vstate = til;
+ td->vstate = p;
}
-int verify_state_hdr(struct verify_state_hdr *hdr, struct thread_io_list *s,
- int *version)
+int verify_state_hdr(struct verify_state_hdr *hdr, struct thread_io_list *s)
{
uint64_t crc;
hdr->size = le64_to_cpu(hdr->size);
hdr->crc = le64_to_cpu(hdr->crc);
- if (hdr->version != VSTATE_HDR_VERSION ||
- hdr->version != VSTATE_HDR_VERSION_V1)
+ if (hdr->version != VSTATE_HDR_VERSION)
return 1;
crc = fio_crc32c((void *)s, hdr->size);
if (crc != hdr->crc)
return 1;
- *version = hdr->version;
return 0;
}
hdr.size = le64_to_cpu(hdr.size);
hdr.crc = le64_to_cpu(hdr.crc);
- if (hdr.version != VSTATE_HDR_VERSION &&
- hdr.version != VSTATE_HDR_VERSION_V1) {
- log_err("fio: bad version in verify state header\n");
+ if (hdr.version != VSTATE_HDR_VERSION) {
+ log_err("fio: unsupported (%d) version in verify state header\n",
+ (unsigned int) hdr.version);
goto err;
}
close(fd);
- verify_convert_assign_state(td, s, hdr.version);
+ verify_assign_state(td, s);
return 0;
err:
if (s)
int verify_state_should_stop(struct thread_data *td, struct io_u *io_u)
{
struct thread_io_list *s = td->vstate;
+ struct fio_file *f = io_u->file;
int i;
- if (!s)
+ if (!s || !f)
return 0;
/*
* completed or not. If the IO was seen as completed, then
* lets verify it.
*/
- for (i = 0; i < s->no_comps; i++)
- if (io_u->offset == s->offsets[i])
+ for (i = 0; i < s->no_comps; i++) {
+ if (s->comps[i].fileno != f->fileno)
+ continue;
+ if (io_u->offset == s->comps[i].offset)
return 0;
+ }
/*
* Not found, we have to stop
projects / fio.git / blobdiff