steadystate: instead of including ss_sum_y in thread_stat record whether ss_sum_y...
[fio.git] / server.c
index 02481648c67c6ddd540578f96cb00e1f019509f3..780f09f4ac8d7fb69da798968bd43368ece23b86 100644 (file)
--- a/server.c
+++ b/server.c
@@ -114,6 +114,7 @@ static const char *fio_server_ops[FIO_NET_CMD_NR] = {
        "LOAD_FILE",
        "VTRIGGER",
        "SENDFILE",
+       "JOB_OPT",
 };
 
 static void sk_lock(struct sk_out *sk_out)
@@ -324,6 +325,11 @@ static int verify_convert_cmd(struct fio_net_cmd *cmd)
                return 1;
        }
 
+       if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) {
+               log_err("fio: command payload too large: %u\n", cmd->pdu_len);
+               return 1;
+       }
+
        return 0;
 }
 
@@ -966,9 +972,9 @@ static int handle_trigger_cmd(struct fio_net_cmd *cmd)
                struct all_io_list state;
 
                state.threads = cpu_to_le64((uint64_t) 0);
-               fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, &state, sizeof(state), NULL, SK_F_COPY);
+               fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, &state, sizeof(state), NULL, SK_F_COPY | SK_F_INLINE);
        } else
-               fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, rep, sz, NULL, SK_F_FREE);
+               fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, rep, sz, NULL, SK_F_FREE | SK_F_INLINE);
 
        exec_trigger(buf);
        return 0;
@@ -1057,17 +1063,35 @@ static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf,
 {
        struct fio_net_cmd cmd;
        struct iovec iov[2];
+       size_t this_len;
+       int ret;
 
        iov[0].iov_base = (void *) &cmd;
        iov[0].iov_len = sizeof(cmd);
-       iov[1].iov_base = (void *) buf;
-       iov[1].iov_len = size;
 
-       __fio_init_net_cmd(&cmd, opcode, size, tag);
-       cmd.flags = __cpu_to_le32(flags);
-       fio_net_cmd_crc_pdu(&cmd, buf);
+       do {
+               uint32_t this_flags = flags;
+
+               this_len = size;
+               if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU)
+                       this_len = FIO_SERVER_MAX_FRAGMENT_PDU;
+
+               if (this_len < size)
+                       this_flags |= FIO_NET_CMD_F_MORE;
+
+               __fio_init_net_cmd(&cmd, opcode, this_len, tag);
+               cmd.flags = __cpu_to_le32(this_flags);
+               fio_net_cmd_crc_pdu(&cmd, buf);
 
-       return fio_sendv_data(sk, iov, 2);
+               iov[1].iov_base = (void *) buf;
+               iov[1].iov_len = this_len;
+
+               ret = fio_sendv_data(sk, iov, 2);
+               size -= this_len;
+               buf += this_len;
+       } while (!ret && size);
+
+       return ret;
 }
 
 static void finish_entry(struct sk_entry *entry)
@@ -1434,6 +1458,8 @@ void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs)
 {
        struct cmd_ts_pdu p;
        int i, j;
+       void *ss_buf;
+       uint64_t *ss_iops, *ss_bw;
 
        dprint(FD_NET, "server sending end stats\n");
 
@@ -1517,9 +1543,37 @@ void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs)
        for (i = 0; i < p.ts.nr_block_infos; i++)
                p.ts.block_infos[i] = le32_to_cpu(ts->block_infos[i]);
 
+       p.ts.ss_dur             = cpu_to_le64(ts->ss_dur);
+       p.ts.ss_state           = cpu_to_le32(ts->ss_state);
+       p.ts.ss_head            = cpu_to_le32(ts->ss_head);
+       p.ts.ss_limit.u.i       = cpu_to_le64(fio_double_to_uint64(ts->ss_limit.u.f));
+       p.ts.ss_slope.u.i       = cpu_to_le64(fio_double_to_uint64(ts->ss_slope.u.f));
+       p.ts.ss_deviation.u.i   = cpu_to_le64(fio_double_to_uint64(ts->ss_deviation.u.f));
+       p.ts.ss_criterion.u.i   = cpu_to_le64(fio_double_to_uint64(ts->ss_criterion.u.f));
+
        convert_gs(&p.rs, rs);
 
-       fio_net_queue_cmd(FIO_NET_CMD_TS, &p, sizeof(p), NULL, SK_F_COPY);
+       dprint(FD_NET, "ts->ss_state = %d\n", ts->ss_state);
+       if (ts->ss_state & __FIO_SS_DATA) {
+               dprint(FD_NET, "server sending steadystate ring buffers\n");
+
+               ss_buf = malloc(sizeof(p) + 2*ts->ss_dur*sizeof(uint64_t));
+
+               memcpy(ss_buf, &p, sizeof(p));
+
+               ss_iops = (uint64_t *) ((struct cmd_ts_pdu *)ss_buf + 1);
+               ss_bw = ss_iops + (int) ts->ss_dur;
+               for (i = 0; i < ts->ss_dur; i++) {
+                       ss_iops[i] = cpu_to_le64(ts->ss_iops_data[i]);
+                       ss_bw[i] = cpu_to_le64(ts->ss_bw_data[i]);
+               }
+
+               fio_net_queue_cmd(FIO_NET_CMD_TS, ss_buf, sizeof(p) + 2*ts->ss_dur*sizeof(uint64_t), NULL, SK_F_COPY);
+
+               free(ss_buf);
+       }
+       else
+               fio_net_queue_cmd(FIO_NET_CMD_TS, &p, sizeof(p), NULL, SK_F_COPY);
 }
 
 void fio_server_send_gs(struct group_run_stats *rs)
@@ -1629,58 +1683,107 @@ void fio_server_send_du(void)
        }
 }
 
+#ifdef CONFIG_ZLIB
+static int __fio_append_iolog_gz(struct sk_entry *first, struct io_log *log,
+                                struct io_logs *cur_log, z_stream *stream)
+{
+       unsigned int this_len;
+       void *out_pdu;
+       int ret;
+
+       stream->next_in = (void *) cur_log->log;
+       stream->avail_in = cur_log->nr_samples * log_entry_sz(log);
+
+       do {
+               struct sk_entry *entry;
+
+               /*
+                * Dirty - since the log is potentially huge, compress it into
+                * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving
+                * side defragment it.
+                */
+               out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU);
+
+               stream->avail_out = FIO_SERVER_MAX_FRAGMENT_PDU;
+               stream->next_out = out_pdu;
+               ret = deflate(stream, Z_BLOCK);
+               /* may be Z_OK, or Z_STREAM_END */
+               if (ret < 0) {
+                       free(out_pdu);
+                       return 1;
+               }
+
+               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_VEC | SK_F_INLINE | SK_F_FREE);
+               flist_add_tail(&entry->list, &first->next);
+       } while (stream->avail_in);
+
+       return 0;
+}
+
 static int fio_append_iolog_gz(struct sk_entry *first, struct io_log *log)
 {
        int ret = 0;
-#ifdef CONFIG_ZLIB
-       struct sk_entry *entry;
        z_stream stream;
-       void *out_pdu;
-
-       /*
-        * Dirty - since the log is potentially huge, compress it into
-        * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving
-        * side defragment it.
-        */
-       out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU);
 
+       memset(&stream, 0, sizeof(stream));
        stream.zalloc = Z_NULL;
        stream.zfree = Z_NULL;
        stream.opaque = Z_NULL;
 
-       if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) {
-               ret = 1;
-               goto err;
+       if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK)
+               return 1;
+
+       while (!flist_empty(&log->io_logs)) {
+               struct io_logs *cur_log;
+
+               cur_log = flist_first_entry(&log->io_logs, struct io_logs, list);
+               flist_del_init(&cur_log->list);
+
+               ret = __fio_append_iolog_gz(first, log, cur_log, &stream);
+               if (ret)
+                       break;
        }
 
-       stream.next_in = (void *) log->log;
-       stream.avail_in = log->nr_samples * log_entry_sz(log);
+       ret = deflate(&stream, Z_FINISH);
 
-       do {
+       while (ret != Z_STREAM_END) {
+               struct sk_entry *entry;
                unsigned int this_len;
+               void *out_pdu;
 
+               out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU);
                stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU;
                stream.next_out = out_pdu;
+
                ret = deflate(&stream, Z_FINISH);
                /* may be Z_OK, or Z_STREAM_END */
-               if (ret < 0)
-                       goto err_zlib;
+               if (ret < 0) {
+                       free(out_pdu);
+                       break;
+               }
 
                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_VEC | SK_F_INLINE | SK_F_FREE);
-               out_pdu = NULL;
+                                        NULL, SK_F_VEC | SK_F_INLINE | SK_F_FREE);
                flist_add_tail(&entry->list, &first->next);
-       } while (stream.avail_in);
+       } while (ret != Z_STREAM_END);
 
-err_zlib:
-       deflateEnd(&stream);
-err:
-       free(out_pdu);
-#endif
-       return ret;
+       ret = deflateEnd(&stream);
+       if (ret == Z_OK)
+               return 0;
+
+       return 1;
 }
+#else
+static int fio_append_iolog_gz(struct sk_entry *first, struct io_log *log)
+{
+       return 1;
+}
+#endif
 
 static int fio_append_gz_chunks(struct sk_entry *first, struct io_log *log)
 {
@@ -1704,11 +1807,21 @@ static int fio_append_gz_chunks(struct sk_entry *first, struct io_log *log)
 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);
+       while (!flist_empty(&log->io_logs)) {
+               struct io_logs *cur_log;
+               size_t size;
+
+               cur_log = flist_first_entry(&log->io_logs, struct io_logs, list);
+               flist_del_init(&cur_log->list);
+
+               size = cur_log->nr_samples * log_entry_sz(log);
+
+               entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, cur_log->log, size,
+                                               NULL, SK_F_VEC | SK_F_INLINE);
+               flist_add_tail(&entry->list, &first->next);
+       }
+
        return 0;
 }
 
@@ -1716,9 +1829,10 @@ int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name)
 {
        struct cmd_iolog_pdu pdu;
        struct sk_entry *first;
-       int i, ret = 0;
+       struct flist_head *entry;
+       int ret = 0;
 
-       pdu.nr_samples = cpu_to_le64(log->nr_samples);
+       pdu.nr_samples = cpu_to_le64(iolog_nr_samples(log));
        pdu.thread_number = cpu_to_le32(td->thread_number);
        pdu.log_type = cpu_to_le32(log->log_type);
 
@@ -1736,18 +1850,25 @@ int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name)
         * 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);
+       flist_for_each(entry, &log->io_logs) {
+               struct io_logs *cur_log;
+               int i;
 
-               s->time         = cpu_to_le64(s->time);
-               s->val          = cpu_to_le64(s->val);
-               s->__ddir       = cpu_to_le32(s->__ddir);
-               s->bs           = cpu_to_le32(s->bs);
+               cur_log = flist_entry(entry, struct io_logs, list);
 
-               if (log->log_offset) {
-                       struct io_sample_offset *so = (void *) s;
+               for (i = 0; i < cur_log->nr_samples; i++) {
+                       struct io_sample *s = get_sample(log, cur_log, i);
 
-                       so->offset = cpu_to_le64(so->offset);
+                       s->time         = cpu_to_le64(s->time);
+                       s->val          = cpu_to_le64(s->val);
+                       s->__ddir       = cpu_to_le32(s->__ddir);
+                       s->bs           = cpu_to_le32(s->bs);
+
+                       if (log->log_offset) {
+                               struct io_sample_offset *so = (void *) s;
+
+                               so->offset = cpu_to_le64(so->offset);
+                       }
                }
        }
 
@@ -1796,7 +1917,7 @@ void fio_server_send_start(struct thread_data *td)
 }
 
 int fio_server_get_verify_state(const char *name, int threadnumber,
-                               void **datap, int *version)
+                               void **datap)
 {
        struct thread_io_list *s;
        struct cmd_sendfile out;
@@ -1848,7 +1969,7 @@ fail:
         * the header, and the thread_io_list checksum
         */
        s = rep->data + sizeof(struct verify_state_hdr);
-       if (verify_state_hdr(rep->data, s, version)) {
+       if (verify_state_hdr(rep->data, s)) {
                ret = EILSEQ;
                goto fail;
        }
@@ -1893,11 +2014,10 @@ static int fio_init_server_ip(void)
                return -1;
        }
 #ifdef SO_REUSEPORT
-       if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) {
-               log_err("fio: setsockopt(REUSEPORT): %s\n", strerror(errno));
-               close(sk);
-               return -1;
-       }
+       /*
+        * Not fatal if fails, so just ignore it if that happens
+        */
+       setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt));
 #endif
 
        if (use_ipv6) {