SK_F_COPY = 2,
SK_F_SIMPLE = 4,
SK_F_VEC = 8,
+ SK_F_INLINE = 16,
};
struct sk_entry {
int opcode; /* Actual command fields */
void *buf;
off_t size;
- uint64_t *tagptr;
+ uint64_t tag;
struct flist_head next; /* Other sk_entry's, if linked command */
};
* protected by below ->lock */
int sk; /* socket fd to talk to client */
- struct fio_mutex *lock; /* protects ref and below list */
+ struct fio_mutex lock; /* protects ref and below list */
struct flist_head list; /* list of pending transmit work */
- struct fio_mutex *wait; /* wake backend when items added to list */
+ struct fio_mutex wait; /* wake backend when items added to list */
+ struct fio_mutex xmit; /* held while sending data */
};
static char *fio_server_arg;
static void sk_lock(struct sk_out *sk_out)
{
- fio_mutex_down(sk_out->lock);
+ fio_mutex_down(&sk_out->lock);
}
static void sk_unlock(struct sk_out *sk_out)
{
- fio_mutex_up(sk_out->lock);
+ fio_mutex_up(&sk_out->lock);
}
void sk_out_assign(struct sk_out *sk_out)
static void sk_out_free(struct sk_out *sk_out)
{
- fio_mutex_remove(sk_out->lock);
- fio_mutex_remove(sk_out->wait);
+ __fio_mutex_remove(&sk_out->lock);
+ __fio_mutex_remove(&sk_out->wait);
+ __fio_mutex_remove(&sk_out->xmit);
sfree(sk_out);
}
return ret;
}
-static struct sk_entry *fio_net_prep_cmd(uint16_t opcode, void *buf, off_t size,
- uint64_t *tagptr, int flags)
+static struct sk_entry *fio_net_prep_cmd(uint16_t opcode, void *buf,
+ size_t size, uint64_t *tagptr,
+ int flags)
{
struct sk_entry *entry;
memcpy(entry->buf, buf, size);
} else
entry->buf = buf;
+
entry->size = size;
- entry->tagptr = tagptr;
+ if (tagptr)
+ entry->tag = *tagptr;
+ else
+ entry->tag = 0;
entry->flags = flags;
-
return entry;
}
+static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry);
+
static void fio_net_queue_entry(struct sk_entry *entry)
{
struct sk_out *sk_out = pthread_getspecific(sk_out_key);
- sk_lock(sk_out);
- flist_add_tail(&entry->list, &sk_out->list);
- sk_unlock(sk_out);
+ if (entry->flags & SK_F_INLINE)
+ handle_sk_entry(sk_out, entry);
+ else {
+ sk_lock(sk_out);
+ flist_add_tail(&entry->list, &sk_out->list);
+ sk_unlock(sk_out);
- fio_mutex_up(sk_out->wait);
+ fio_mutex_up(&sk_out->wait);
+ }
}
static int fio_net_queue_cmd(uint16_t opcode, void *buf, off_t size,
sfree(entry);
}
-static void entry_set_flags_tag(struct sk_entry *entry, struct flist_head *list,
- unsigned int *flags, uint64_t *tag)
+static void entry_set_flags(struct sk_entry *entry, struct flist_head *list,
+ unsigned int *flags)
{
if (!flist_empty(list))
*flags = FIO_NET_CMD_F_MORE;
else
*flags = 0;
-
- if (entry->tagptr)
- *tag = *entry->tagptr;
- else
- *tag = 0;
}
static int send_vec_entry(struct sk_out *sk_out, struct sk_entry *first)
{
unsigned int flags;
- uint64_t tag;
int ret;
- entry_set_flags_tag(first, &first->next, &flags, &tag);
+ entry_set_flags(first, &first->next, &flags);
- ret = fio_send_cmd_ext_pdu(sk_out->sk, first->opcode, first->buf, first->size, tag, flags);
+ ret = fio_send_cmd_ext_pdu(sk_out->sk, first->opcode, first->buf,
+ first->size, first->tag, flags);
while (!flist_empty(&first->next)) {
struct sk_entry *next;
next = flist_first_entry(&first->next, struct sk_entry, list);
flist_del_init(&next->list);
- entry_set_flags_tag(next, &first->next, &flags, &tag);
+ entry_set_flags(next, &first->next, &flags);
- ret += fio_send_cmd_ext_pdu(sk_out->sk, next->opcode, next->buf, next->size, tag, flags);
+ ret += fio_send_cmd_ext_pdu(sk_out->sk, next->opcode, next->buf,
+ next->size, next->tag, flags);
finish_entry(next);
}
{
int ret;
+ fio_mutex_down(&sk_out->xmit);
+
if (entry->flags & SK_F_VEC)
ret = send_vec_entry(sk_out, entry);
- if (entry->flags & SK_F_SIMPLE) {
- uint64_t tag = 0;
-
- if (entry->tagptr)
- tag = *entry->tagptr;
+ else if (entry->flags & SK_F_SIMPLE) {
+ ret = fio_net_send_simple_cmd(sk_out->sk, entry->opcode,
+ entry->tag, NULL);
+ } else {
+ ret = fio_net_send_cmd(sk_out->sk, entry->opcode, entry->buf,
+ entry->size, &entry->tag, NULL);
+ }
- ret = fio_net_send_simple_cmd(sk_out->sk, entry->opcode, tag, NULL);
- } else
- ret = fio_net_send_cmd(sk_out->sk, entry->opcode, entry->buf, entry->size, entry->tagptr, NULL);
+ fio_mutex_up(&sk_out->xmit);
if (ret)
log_err("fio: failed handling cmd %s\n", fio_server_op(entry->opcode));
break;
} else if (!ret) {
fio_server_check_jobs(&job_list);
- fio_mutex_down_timeout(sk_out->wait, timeout);
+ fio_mutex_down_timeout(&sk_out->wait, timeout);
continue;
}
sk_out = smalloc(sizeof(*sk_out));
sk_out->sk = sk;
INIT_FLIST_HEAD(&sk_out->list);
- sk_out->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED);
- sk_out->wait = fio_mutex_init(FIO_MUTEX_LOCKED);
+ __fio_mutex_init(&sk_out->lock, FIO_MUTEX_UNLOCKED);
+ __fio_mutex_init(&sk_out->wait, FIO_MUTEX_LOCKED);
+ __fio_mutex_init(&sk_out->xmit, FIO_MUTEX_UNLOCKED);
pid = fork();
if (pid) {
flist_for_each(entry, opt_list) {
struct print_option *p;
+ size_t len;
p = flist_entry(entry, struct print_option, list);
memset(&pdu, 0, sizeof(pdu));
+
if (groupid == -1U) {
pdu.global = __cpu_to_le16(1);
pdu.groupid = 0;
} else {
pdu.global = 0;
- pdu.groupid = __cpu_to_le16(groupid);
+ pdu.groupid = cpu_to_le32(groupid);
+ }
+ len = strlen(p->name);
+ if (len >= sizeof(pdu.name)) {
+ len = sizeof(pdu.name) - 1;
+ pdu.truncated = __cpu_to_le16(1);
+ }
+ memcpy(pdu.name, p->name, len);
+ if (p->value) {
+ len = strlen(p->value);
+ if (len >= sizeof(pdu.value)) {
+ len = sizeof(pdu.value) - 1;
+ pdu.truncated = __cpu_to_le16(1);
+ }
+ memcpy(pdu.value, p->value, len);
}
- memcpy(pdu.name, p->name, strlen(p->name));
- if (p->value)
- memcpy(pdu.value, p->value, strlen(p->value));
fio_net_queue_cmd(FIO_NET_CMD_JOB_OPT, &pdu, sizeof(pdu), NULL, SK_F_COPY);
}
}
}
}
-static int fio_send_iolog_gz(struct sk_entry *first, struct io_log *log)
+static int fio_append_iolog_gz(struct sk_entry *first, struct io_log *log)
{
int ret = 0;
#ifdef CONFIG_ZLIB
this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out;
entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len,
- NULL, SK_F_FREE | SK_F_VEC);
+ NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE);
+ out_pdu = NULL;
flist_add_tail(&entry->list, &first->next);
} while (stream.avail_in);
return ret;
}
+static int fio_append_gz_chunks(struct sk_entry *first, struct io_log *log)
+{
+ struct sk_entry *entry;
+ struct flist_head *node;
+
+ pthread_mutex_lock(&log->chunk_lock);
+ flist_for_each(node, &log->chunk_list) {
+ struct iolog_compress *c;
+
+ c = flist_entry(node, struct iolog_compress, list);
+ entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, c->buf, c->len,
+ NULL, SK_F_VEC | SK_F_INLINE);
+ flist_add_tail(&entry->list, &first->next);
+ }
+ pthread_mutex_unlock(&log->chunk_lock);
+
+ return 0;
+}
+
+static int fio_append_text_log(struct sk_entry *first, struct io_log *log)
+{
+ struct sk_entry *entry;
+ size_t size = log->nr_samples * log_entry_sz(log);
+
+ entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, log->log, size,
+ NULL, SK_F_VEC | SK_F_INLINE);
+ flist_add_tail(&entry->list, &first->next);
+ return 0;
+}
+
int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name)
{
struct cmd_iolog_pdu pdu;
pdu.nr_samples = cpu_to_le64(log->nr_samples);
pdu.thread_number = cpu_to_le32(td->thread_number);
pdu.log_type = cpu_to_le32(log->log_type);
- pdu.compressed = cpu_to_le32(use_zlib);
+
+ if (!flist_empty(&log->chunk_list))
+ pdu.compressed = __cpu_to_le32(STORE_COMPRESSED);
+ else if (use_zlib)
+ pdu.compressed = __cpu_to_le32(XMIT_COMPRESSED);
+ else
+ pdu.compressed = 0;
strncpy((char *) pdu.name, name, FIO_NET_NAME_MAX);
pdu.name[FIO_NET_NAME_MAX - 1] = '\0';
+ /*
+ * We can't do this for a pre-compressed log, but for that case,
+ * log->nr_samples is zero anyway.
+ */
for (i = 0; i < log->nr_samples; i++) {
struct io_sample *s = get_sample(log, i);
/*
* Assemble header entry first
*/
- first = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, &pdu, sizeof(pdu), NULL, SK_F_COPY | SK_F_VEC);
+ first = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, &pdu, sizeof(pdu), NULL, SK_F_VEC | SK_F_INLINE | SK_F_COPY);
/*
- * Now append actual log entries. Compress if we can, otherwise just
- * plain text output.
+ * Now append actual log entries. If log compression was enabled on
+ * the job, just send out the compressed chunks directly. If we
+ * have a plain log, compress if we can, then send. Otherwise, send
+ * the plain text output.
*/
- if (use_zlib)
- ret = fio_send_iolog_gz(first, log);
- else {
- struct sk_entry *entry;
-
- entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, log->log,
- log->nr_samples * log_entry_sz(log),
- NULL, SK_F_FREE | SK_F_VEC);
- flist_add_tail(&entry->list, &first->next);
- }
+ if (!flist_empty(&log->chunk_list))
+ ret = fio_append_gz_chunks(first, log);
+ else if (use_zlib)
+ ret = fio_append_iolog_gz(first, log);
+ else
+ ret = fio_append_text_log(first, log);
+ fio_net_queue_entry(first);
return ret;
}
pdu.groupid = cpu_to_le32(td->groupid);
convert_thread_options_to_net(&pdu.top, &td->o);
- fio_net_queue_cmd(FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, SK_F_COPY);
+ fio_net_queue_cmd(FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL,
+ SK_F_COPY);
}
void fio_server_send_start(struct thread_data *td)
verify_state_gen_name((char *) out.path, sizeof(out.path), name, me,
threadnumber);
tag = (uint64_t) (uintptr_t) rep;
- fio_net_queue_cmd(FIO_NET_CMD_SENDFILE, &out, sizeof(out), &tag, SK_F_COPY);
+ fio_net_queue_cmd(FIO_NET_CMD_SENDFILE, &out, sizeof(out), &tag,
+ SK_F_COPY);
/*
* Wait for the backend to receive the reply
}
if (rep->error) {
- log_err("fio: failure on receiving state file: %s\n", strerror(rep->error));
+ log_err("fio: failure on receiving state file: %s\n",
+ strerror(rep->error));
fail:
*datap = NULL;
sfree(rep);