11 #include <sys/socket.h>
13 #include <netinet/in.h>
14 #include <arpa/inet.h>
27 static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd);
28 static void handle_ts(struct fio_client *client, struct fio_net_cmd *cmd);
29 static void handle_gs(struct fio_client *client, struct fio_net_cmd *cmd);
30 static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd);
31 static void handle_text(struct fio_client *client, struct fio_net_cmd *cmd);
32 static void handle_stop(struct fio_client *client, struct fio_net_cmd *cmd);
33 static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd);
35 struct client_ops fio_client_ops = {
37 .disk_util = handle_du,
38 .thread_status = handle_ts,
39 .group_stats = handle_gs,
41 .start = handle_start,
42 .eta = display_thread_status,
43 .probe = handle_probe,
44 .eta_msec = FIO_CLIENT_DEF_ETA_MSEC,
45 .client_type = FIO_CLIENT_TYPE_CLI,
48 static struct timeval eta_tv;
50 static FLIST_HEAD(client_list);
51 static FLIST_HEAD(eta_list);
53 static FLIST_HEAD(arg_list);
55 struct thread_stat client_ts;
56 struct group_run_stats client_gs;
59 static int sum_stat_nr;
60 static struct json_object *root = NULL;
61 static struct json_array *clients_array = NULL;
62 static struct json_array *du_array = NULL;
63 static int do_output_all_clients;
65 #define FIO_CLIENT_HASH_BITS 7
66 #define FIO_CLIENT_HASH_SZ (1 << FIO_CLIENT_HASH_BITS)
67 #define FIO_CLIENT_HASH_MASK (FIO_CLIENT_HASH_SZ - 1)
68 static struct flist_head client_hash[FIO_CLIENT_HASH_SZ];
70 static void fio_client_add_hash(struct fio_client *client)
72 int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS);
74 bucket &= FIO_CLIENT_HASH_MASK;
75 flist_add(&client->hash_list, &client_hash[bucket]);
78 static void fio_client_remove_hash(struct fio_client *client)
80 if (!flist_empty(&client->hash_list))
81 flist_del_init(&client->hash_list);
84 static void fio_init fio_client_hash_init(void)
88 for (i = 0; i < FIO_CLIENT_HASH_SZ; i++)
89 INIT_FLIST_HEAD(&client_hash[i]);
92 static void fio_client_json_init(void)
94 if (output_format != FIO_OUTPUT_JSON)
96 root = json_create_object();
97 json_object_add_value_string(root, "fio version", fio_version_string);
98 clients_array = json_create_array();
99 json_object_add_value_array(root, "client_stats", clients_array);
100 du_array = json_create_array();
101 json_object_add_value_array(root, "disk_util", du_array);
104 static void fio_client_json_fini(void)
106 if (output_format != FIO_OUTPUT_JSON)
108 json_print_object(root);
110 json_free_object(root);
112 clients_array = NULL;
116 static struct fio_client *find_client_by_fd(int fd)
118 int bucket = hash_long(fd, FIO_CLIENT_HASH_BITS) & FIO_CLIENT_HASH_MASK;
119 struct fio_client *client;
120 struct flist_head *entry;
122 flist_for_each(entry, &client_hash[bucket]) {
123 client = flist_entry(entry, struct fio_client, hash_list);
125 if (client->fd == fd) {
134 void fio_put_client(struct fio_client *client)
139 free(client->hostname);
144 while (client->nr_files) {
145 struct client_file *cf = &client->files[--client->nr_files];
152 if (!client->did_stat)
153 sum_stat_clients -= client->nr_stat;
158 static void remove_client(struct fio_client *client)
160 assert(client->refs);
162 dprint(FD_NET, "client: removed <%s>\n", client->hostname);
164 if (!flist_empty(&client->list))
165 flist_del_init(&client->list);
167 fio_client_remove_hash(client);
169 if (!flist_empty(&client->eta_list)) {
170 flist_del_init(&client->eta_list);
171 fio_client_dec_jobs_eta(client->eta_in_flight, client->ops->eta);
177 if (client->ops->removed)
178 client->ops->removed(client);
181 fio_put_client(client);
184 struct fio_client *fio_get_client(struct fio_client *client)
190 static void __fio_client_add_cmd_option(struct fio_client *client,
195 index = client->argc++;
196 client->argv = realloc(client->argv, sizeof(char *) * client->argc);
197 client->argv[index] = strdup(opt);
198 dprint(FD_NET, "client: add cmd %d: %s\n", index, opt);
201 void fio_client_add_cmd_option(void *cookie, const char *opt)
203 struct fio_client *client = cookie;
204 struct flist_head *entry;
209 __fio_client_add_cmd_option(client, opt);
212 * Duplicate arguments to shared client group
214 flist_for_each(entry, &arg_list) {
215 client = flist_entry(entry, struct fio_client, arg_list);
217 __fio_client_add_cmd_option(client, opt);
221 struct fio_client *fio_client_add_explicit(struct client_ops *ops,
222 const char *hostname, int type,
225 struct fio_client *client;
227 client = malloc(sizeof(*client));
228 memset(client, 0, sizeof(*client));
230 INIT_FLIST_HEAD(&client->list);
231 INIT_FLIST_HEAD(&client->hash_list);
232 INIT_FLIST_HEAD(&client->arg_list);
233 INIT_FLIST_HEAD(&client->eta_list);
234 INIT_FLIST_HEAD(&client->cmd_list);
236 client->hostname = strdup(hostname);
238 if (type == Fio_client_socket)
243 ipv6 = type == Fio_client_ipv6;
244 if (fio_server_parse_host(hostname, ipv6,
245 &client->addr.sin_addr,
246 &client->addr6.sin6_addr))
255 client->type = ops->client_type;
257 __fio_client_add_cmd_option(client, "fio");
259 flist_add(&client->list, &client_list);
261 dprint(FD_NET, "client: added <%s>\n", client->hostname);
268 int fio_client_add_ini_file(void *cookie, const char *ini_file, int remote)
270 struct fio_client *client = cookie;
271 struct client_file *cf;
275 dprint(FD_NET, "client <%s>: add ini %s\n", client->hostname, ini_file);
277 new_size = (client->nr_files + 1) * sizeof(struct client_file);
278 new_files = realloc(client->files, new_size);
282 client->files = new_files;
283 cf = &client->files[client->nr_files];
284 cf->file = strdup(ini_file);
290 int fio_client_add(struct client_ops *ops, const char *hostname, void **cookie)
292 struct fio_client *existing = *cookie;
293 struct fio_client *client;
297 * We always add our "exec" name as the option, hence 1
300 if (existing->argc == 1)
301 flist_add_tail(&existing->arg_list, &arg_list);
303 while (!flist_empty(&arg_list))
304 flist_del_init(arg_list.next);
308 client = malloc(sizeof(*client));
309 memset(client, 0, sizeof(*client));
311 INIT_FLIST_HEAD(&client->list);
312 INIT_FLIST_HEAD(&client->hash_list);
313 INIT_FLIST_HEAD(&client->arg_list);
314 INIT_FLIST_HEAD(&client->eta_list);
315 INIT_FLIST_HEAD(&client->cmd_list);
317 if (fio_server_parse_string(hostname, &client->hostname,
318 &client->is_sock, &client->port,
319 &client->addr.sin_addr,
320 &client->addr6.sin6_addr,
327 client->type = ops->client_type;
329 __fio_client_add_cmd_option(client, "fio");
331 flist_add(&client->list, &client_list);
333 dprint(FD_NET, "client: added <%s>\n", client->hostname);
338 static void probe_client(struct fio_client *client)
340 struct cmd_client_probe_pdu pdu;
343 dprint(FD_NET, "client: send probe\n");
346 pdu.flags = __le64_to_cpu(FIO_PROBE_FLAG_ZLIB);
351 fio_net_send_cmd(client->fd, FIO_NET_CMD_PROBE, &pdu, sizeof(pdu), &tag, &client->cmd_list);
354 static int fio_client_connect_ip(struct fio_client *client)
356 struct sockaddr *addr;
361 client->addr6.sin6_family = AF_INET6;
362 client->addr6.sin6_port = htons(client->port);
364 addr = (struct sockaddr *) &client->addr6;
365 socklen = sizeof(client->addr6);
367 client->addr.sin_family = AF_INET;
368 client->addr.sin_port = htons(client->port);
370 addr = (struct sockaddr *) &client->addr;
371 socklen = sizeof(client->addr);
374 fd = socket(domain, SOCK_STREAM, 0);
378 log_err("fio: socket: %s\n", strerror(errno));
382 if (connect(fd, addr, socklen) < 0) {
385 log_err("fio: connect: %s\n", strerror(errno));
386 log_err("fio: failed to connect to %s:%u\n", client->hostname,
395 static int fio_client_connect_sock(struct fio_client *client)
397 struct sockaddr_un *addr = &client->addr_un;
401 memset(addr, 0, sizeof(*addr));
402 addr->sun_family = AF_UNIX;
403 strncpy(addr->sun_path, client->hostname, sizeof(addr->sun_path) - 1);
405 fd = socket(AF_UNIX, SOCK_STREAM, 0);
409 log_err("fio: socket: %s\n", strerror(errno));
413 len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1;
414 if (connect(fd, (struct sockaddr *) addr, len) < 0) {
417 log_err("fio: connect; %s\n", strerror(errno));
425 int fio_client_connect(struct fio_client *client)
429 dprint(FD_NET, "client: connect to host %s\n", client->hostname);
432 fd = fio_client_connect_sock(client);
434 fd = fio_client_connect_ip(client);
436 dprint(FD_NET, "client: %s connected %d\n", client->hostname, fd);
442 fio_client_add_hash(client);
443 client->state = Client_connected;
445 probe_client(client);
449 int fio_client_terminate(struct fio_client *client)
451 return fio_net_send_quit(client->fd);
454 void fio_clients_terminate(void)
456 struct flist_head *entry;
457 struct fio_client *client;
459 dprint(FD_NET, "client: terminate clients\n");
461 flist_for_each(entry, &client_list) {
462 client = flist_entry(entry, struct fio_client, list);
463 fio_client_terminate(client);
467 static void sig_int(int sig)
469 dprint(FD_NET, "client: got signal %d\n", sig);
470 fio_clients_terminate();
473 static void sig_show_status(int sig)
475 show_running_run_stats();
478 static void client_signal_handler(void)
480 struct sigaction act;
482 memset(&act, 0, sizeof(act));
483 act.sa_handler = sig_int;
484 act.sa_flags = SA_RESTART;
485 sigaction(SIGINT, &act, NULL);
487 memset(&act, 0, sizeof(act));
488 act.sa_handler = sig_int;
489 act.sa_flags = SA_RESTART;
490 sigaction(SIGTERM, &act, NULL);
492 /* Windows uses SIGBREAK as a quit signal from other applications */
494 memset(&act, 0, sizeof(act));
495 act.sa_handler = sig_int;
496 act.sa_flags = SA_RESTART;
497 sigaction(SIGBREAK, &act, NULL);
500 memset(&act, 0, sizeof(act));
501 act.sa_handler = sig_show_status;
502 act.sa_flags = SA_RESTART;
503 sigaction(SIGUSR1, &act, NULL);
506 static int send_client_cmd_line(struct fio_client *client)
508 struct cmd_single_line_pdu *cslp;
509 struct cmd_line_pdu *clp;
510 unsigned long offset;
516 dprint(FD_NET, "client: send cmdline %d\n", client->argc);
518 lens = malloc(client->argc * sizeof(unsigned int));
521 * Find out how much mem we need
523 for (i = 0, mem = 0; i < client->argc; i++) {
524 lens[i] = strlen(client->argv[i]) + 1;
529 * We need one cmd_line_pdu, and argc number of cmd_single_line_pdu
531 mem += sizeof(*clp) + (client->argc * sizeof(*cslp));
535 offset = sizeof(*clp);
537 for (i = 0; i < client->argc; i++) {
538 uint16_t arg_len = lens[i];
541 strcpy((char *) cslp->text, client->argv[i]);
542 cslp->len = cpu_to_le16(arg_len);
543 offset += sizeof(*cslp) + arg_len;
547 clp->lines = cpu_to_le16(client->argc);
548 clp->client_type = __cpu_to_le16(client->type);
549 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, mem, NULL, NULL);
554 int fio_clients_connect(void)
556 struct fio_client *client;
557 struct flist_head *entry, *tmp;
562 WSAStartup(MAKEWORD(2, 2), &wsd);
565 dprint(FD_NET, "client: connect all\n");
567 client_signal_handler();
569 flist_for_each_safe(entry, tmp, &client_list) {
570 client = flist_entry(entry, struct fio_client, list);
572 ret = fio_client_connect(client);
574 remove_client(client);
578 if (client->argc > 1)
579 send_client_cmd_line(client);
585 int fio_start_client(struct fio_client *client)
587 dprint(FD_NET, "client: start %s\n", client->hostname);
588 return fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_RUN, 0, NULL);
591 int fio_start_all_clients(void)
593 struct fio_client *client;
594 struct flist_head *entry, *tmp;
597 dprint(FD_NET, "client: start all\n");
599 fio_client_json_init();
601 flist_for_each_safe(entry, tmp, &client_list) {
602 client = flist_entry(entry, struct fio_client, list);
604 ret = fio_start_client(client);
606 remove_client(client);
611 return flist_empty(&client_list);
614 static int __fio_client_send_remote_ini(struct fio_client *client,
615 const char *filename)
617 struct cmd_load_file_pdu *pdu;
621 dprint(FD_NET, "send remote ini %s to %s\n", filename, client->hostname);
623 p_size = sizeof(*pdu) + strlen(filename);
624 pdu = malloc(p_size);
625 pdu->name_len = strlen(filename);
626 strcpy((char *) pdu->file, filename);
627 pdu->client_type = cpu_to_le16((uint16_t) client->type);
629 client->sent_job = 1;
630 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_LOAD_FILE, pdu, p_size,NULL, NULL);
636 * Send file contents to server backend. We could use sendfile(), but to remain
637 * more portable lets just read/write the darn thing.
639 static int __fio_client_send_local_ini(struct fio_client *client,
640 const char *filename)
642 struct cmd_job_pdu *pdu;
650 dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname);
652 fd = open(filename, O_RDONLY);
656 log_err("fio: job file <%s> open: %s\n", filename, strerror(errno));
660 if (fstat(fd, &sb) < 0) {
663 log_err("fio: job file stat: %s\n", strerror(errno));
668 p_size = sb.st_size + sizeof(*pdu);
669 pdu = malloc(p_size);
675 ret = read(fd, p, len);
684 else if (errno == EAGAIN || errno == EINTR)
689 log_err("fio: failed reading job file %s\n", filename);
695 pdu->buf_len = __cpu_to_le32(sb.st_size);
696 pdu->client_type = cpu_to_le32(client->type);
698 client->sent_job = 1;
699 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, pdu, p_size, NULL, NULL);
705 int fio_client_send_ini(struct fio_client *client, const char *filename,
711 ret = __fio_client_send_local_ini(client, filename);
713 ret = __fio_client_send_remote_ini(client, filename);
716 client->sent_job = 1;
721 static int fio_client_send_cf(struct fio_client *client,
722 struct client_file *cf)
724 return fio_client_send_ini(client, cf->file, cf->remote);
727 int fio_clients_send_ini(const char *filename)
729 struct fio_client *client;
730 struct flist_head *entry, *tmp;
732 flist_for_each_safe(entry, tmp, &client_list) {
733 client = flist_entry(entry, struct fio_client, list);
735 if (client->nr_files) {
738 for (i = 0; i < client->nr_files; i++) {
739 struct client_file *cf;
741 cf = &client->files[i];
743 if (fio_client_send_cf(client, cf)) {
744 remove_client(client);
749 if (client->sent_job)
751 if (!filename || fio_client_send_ini(client, filename, 0))
752 remove_client(client);
758 int fio_client_update_options(struct fio_client *client,
759 struct thread_options *o, uint64_t *tag)
761 struct cmd_add_job_pdu pdu;
763 pdu.thread_number = cpu_to_le32(client->thread_number);
764 pdu.groupid = cpu_to_le32(client->groupid);
765 convert_thread_options_to_net(&pdu.top, o);
767 return fio_net_send_cmd(client->fd, FIO_NET_CMD_UPDATE_JOB, &pdu, sizeof(pdu), tag, &client->cmd_list);
770 static void convert_io_stat(struct io_stat *dst, struct io_stat *src)
772 dst->max_val = le64_to_cpu(src->max_val);
773 dst->min_val = le64_to_cpu(src->min_val);
774 dst->samples = le64_to_cpu(src->samples);
777 * Floats arrive as IEEE 754 encoded uint64_t, convert back to double
779 dst->mean.u.f = fio_uint64_to_double(le64_to_cpu(dst->mean.u.i));
780 dst->S.u.f = fio_uint64_to_double(le64_to_cpu(dst->S.u.i));
783 static void convert_ts(struct thread_stat *dst, struct thread_stat *src)
787 dst->error = le32_to_cpu(src->error);
788 dst->thread_number = le32_to_cpu(src->thread_number);
789 dst->groupid = le32_to_cpu(src->groupid);
790 dst->pid = le32_to_cpu(src->pid);
791 dst->members = le32_to_cpu(src->members);
792 dst->unified_rw_rep = le32_to_cpu(src->unified_rw_rep);
794 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
795 convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]);
796 convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]);
797 convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]);
798 convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]);
801 dst->usr_time = le64_to_cpu(src->usr_time);
802 dst->sys_time = le64_to_cpu(src->sys_time);
803 dst->ctx = le64_to_cpu(src->ctx);
804 dst->minf = le64_to_cpu(src->minf);
805 dst->majf = le64_to_cpu(src->majf);
806 dst->clat_percentiles = le64_to_cpu(src->clat_percentiles);
808 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
809 fio_fp64_t *fps = &src->percentile_list[i];
810 fio_fp64_t *fpd = &dst->percentile_list[i];
812 fpd->u.f = fio_uint64_to_double(le64_to_cpu(fps->u.i));
815 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
816 dst->io_u_map[i] = le32_to_cpu(src->io_u_map[i]);
817 dst->io_u_submit[i] = le32_to_cpu(src->io_u_submit[i]);
818 dst->io_u_complete[i] = le32_to_cpu(src->io_u_complete[i]);
821 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
822 dst->io_u_lat_u[i] = le32_to_cpu(src->io_u_lat_u[i]);
823 dst->io_u_lat_m[i] = le32_to_cpu(src->io_u_lat_m[i]);
826 for (i = 0; i < DDIR_RWDIR_CNT; i++)
827 for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
828 dst->io_u_plat[i][j] = le32_to_cpu(src->io_u_plat[i][j]);
830 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
831 dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]);
832 dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]);
835 dst->total_submit = le64_to_cpu(src->total_submit);
836 dst->total_complete = le64_to_cpu(src->total_complete);
838 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
839 dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]);
840 dst->runtime[i] = le64_to_cpu(src->runtime[i]);
843 dst->total_run_time = le64_to_cpu(src->total_run_time);
844 dst->continue_on_error = le16_to_cpu(src->continue_on_error);
845 dst->total_err_count = le64_to_cpu(src->total_err_count);
846 dst->first_error = le32_to_cpu(src->first_error);
847 dst->kb_base = le32_to_cpu(src->kb_base);
848 dst->unit_base = le32_to_cpu(src->unit_base);
850 dst->latency_depth = le32_to_cpu(src->latency_depth);
851 dst->latency_target = le64_to_cpu(src->latency_target);
852 dst->latency_window = le64_to_cpu(src->latency_window);
853 dst->latency_percentile.u.f = fio_uint64_to_double(le64_to_cpu(src->latency_percentile.u.i));
856 static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src)
860 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
861 dst->max_run[i] = le64_to_cpu(src->max_run[i]);
862 dst->min_run[i] = le64_to_cpu(src->min_run[i]);
863 dst->max_bw[i] = le64_to_cpu(src->max_bw[i]);
864 dst->min_bw[i] = le64_to_cpu(src->min_bw[i]);
865 dst->io_kb[i] = le64_to_cpu(src->io_kb[i]);
866 dst->agg[i] = le64_to_cpu(src->agg[i]);
869 dst->kb_base = le32_to_cpu(src->kb_base);
870 dst->unit_base = le32_to_cpu(src->unit_base);
871 dst->groupid = le32_to_cpu(src->groupid);
872 dst->unified_rw_rep = le32_to_cpu(src->unified_rw_rep);
875 static void json_object_add_client_info(struct json_object *obj,
876 struct fio_client *client)
878 const char *hostname = client->hostname ? client->hostname : "";
880 json_object_add_value_string(obj, "hostname", hostname);
881 json_object_add_value_int(obj, "port", client->port);
884 static void handle_ts(struct fio_client *client, struct fio_net_cmd *cmd)
886 struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
887 struct json_object *tsobj;
889 tsobj = show_thread_status(&p->ts, &p->rs);
890 client->did_stat = 1;
892 json_object_add_client_info(tsobj, client);
893 json_array_add_value_object(clients_array, tsobj);
896 if (!do_output_all_clients)
899 sum_thread_stats(&client_ts, &p->ts, sum_stat_nr);
900 sum_group_stats(&client_gs, &p->rs);
903 client_ts.thread_number = p->ts.thread_number;
904 client_ts.groupid = p->ts.groupid;
905 client_ts.unified_rw_rep = p->ts.unified_rw_rep;
907 if (++sum_stat_nr == sum_stat_clients) {
908 strcpy(client_ts.name, "All clients");
909 tsobj = show_thread_status(&client_ts, &client_gs);
911 json_object_add_client_info(tsobj, client);
912 json_array_add_value_object(clients_array, tsobj);
917 static void handle_gs(struct fio_client *client, struct fio_net_cmd *cmd)
919 struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
921 show_group_stats(gs);
924 static void handle_text(struct fio_client *client, struct fio_net_cmd *cmd)
926 struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmd->payload;
927 const char *buf = (const char *) pdu->buf;
931 name = client->name ? client->name : client->hostname;
933 if (!client->skip_newline)
934 fprintf(f_out, "<%s> ", name);
935 ret = fwrite(buf, pdu->buf_len, 1, f_out);
937 client->skip_newline = strchr(buf, '\n') == NULL;
940 static void convert_agg(struct disk_util_agg *agg)
944 for (i = 0; i < 2; i++) {
945 agg->ios[i] = le32_to_cpu(agg->ios[i]);
946 agg->merges[i] = le32_to_cpu(agg->merges[i]);
947 agg->sectors[i] = le64_to_cpu(agg->sectors[i]);
948 agg->ticks[i] = le32_to_cpu(agg->ticks[i]);
951 agg->io_ticks = le32_to_cpu(agg->io_ticks);
952 agg->time_in_queue = le32_to_cpu(agg->time_in_queue);
953 agg->slavecount = le32_to_cpu(agg->slavecount);
954 agg->max_util.u.f = fio_uint64_to_double(__le64_to_cpu(agg->max_util.u.i));
957 static void convert_dus(struct disk_util_stat *dus)
961 for (i = 0; i < 2; i++) {
962 dus->s.ios[i] = le32_to_cpu(dus->s.ios[i]);
963 dus->s.merges[i] = le32_to_cpu(dus->s.merges[i]);
964 dus->s.sectors[i] = le64_to_cpu(dus->s.sectors[i]);
965 dus->s.ticks[i] = le32_to_cpu(dus->s.ticks[i]);
968 dus->s.io_ticks = le32_to_cpu(dus->s.io_ticks);
969 dus->s.time_in_queue = le32_to_cpu(dus->s.time_in_queue);
970 dus->s.msec = le64_to_cpu(dus->s.msec);
973 static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd)
975 struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload;
977 if (!client->disk_stats_shown) {
978 client->disk_stats_shown = 1;
979 log_info("\nDisk stats (read/write):\n");
982 if (output_format == FIO_OUTPUT_JSON) {
983 struct json_object *duobj;
984 json_array_add_disk_util(&du->dus, &du->agg, du_array);
985 duobj = json_array_last_value_object(du_array);
986 json_object_add_client_info(duobj, client);
988 print_disk_util(&du->dus, &du->agg, output_format == FIO_OUTPUT_TERSE);
991 static void convert_jobs_eta(struct jobs_eta *je)
995 je->nr_running = le32_to_cpu(je->nr_running);
996 je->nr_ramp = le32_to_cpu(je->nr_ramp);
997 je->nr_pending = le32_to_cpu(je->nr_pending);
998 je->nr_setting_up = le32_to_cpu(je->nr_setting_up);
999 je->files_open = le32_to_cpu(je->files_open);
1001 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1002 je->m_rate[i] = le32_to_cpu(je->m_rate[i]);
1003 je->t_rate[i] = le32_to_cpu(je->t_rate[i]);
1004 je->m_iops[i] = le32_to_cpu(je->m_iops[i]);
1005 je->t_iops[i] = le32_to_cpu(je->t_iops[i]);
1006 je->rate[i] = le32_to_cpu(je->rate[i]);
1007 je->iops[i] = le32_to_cpu(je->iops[i]);
1010 je->elapsed_sec = le64_to_cpu(je->elapsed_sec);
1011 je->eta_sec = le64_to_cpu(je->eta_sec);
1012 je->nr_threads = le32_to_cpu(je->nr_threads);
1013 je->is_pow2 = le32_to_cpu(je->is_pow2);
1014 je->unit_base = le32_to_cpu(je->unit_base);
1017 void fio_client_sum_jobs_eta(struct jobs_eta *dst, struct jobs_eta *je)
1021 dst->nr_running += je->nr_running;
1022 dst->nr_ramp += je->nr_ramp;
1023 dst->nr_pending += je->nr_pending;
1024 dst->nr_setting_up += je->nr_setting_up;
1025 dst->files_open += je->files_open;
1027 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1028 dst->m_rate[i] += je->m_rate[i];
1029 dst->t_rate[i] += je->t_rate[i];
1030 dst->m_iops[i] += je->m_iops[i];
1031 dst->t_iops[i] += je->t_iops[i];
1032 dst->rate[i] += je->rate[i];
1033 dst->iops[i] += je->iops[i];
1036 dst->elapsed_sec += je->elapsed_sec;
1038 if (je->eta_sec > dst->eta_sec)
1039 dst->eta_sec = je->eta_sec;
1041 dst->nr_threads += je->nr_threads;
1044 * This wont be correct for multiple strings, but at least it
1045 * works for the basic cases.
1047 strcpy((char *) dst->run_str, (char *) je->run_str);
1050 void fio_client_dec_jobs_eta(struct client_eta *eta, client_eta_op eta_fn)
1052 if (!--eta->pending) {
1058 static void remove_reply_cmd(struct fio_client *client, struct fio_net_cmd *cmd)
1060 struct fio_net_cmd_reply *reply = NULL;
1061 struct flist_head *entry;
1063 flist_for_each(entry, &client->cmd_list) {
1064 reply = flist_entry(entry, struct fio_net_cmd_reply, list);
1066 if (cmd->tag == (uintptr_t) reply)
1073 log_err("fio: client: unable to find matching tag (%llx)\n", (unsigned long long) cmd->tag);
1077 flist_del(&reply->list);
1078 cmd->tag = reply->saved_tag;
1082 int fio_client_wait_for_reply(struct fio_client *client, uint64_t tag)
1085 struct fio_net_cmd_reply *reply = NULL;
1086 struct flist_head *entry;
1088 flist_for_each(entry, &client->cmd_list) {
1089 reply = flist_entry(entry, struct fio_net_cmd_reply, list);
1091 if (tag == (uintptr_t) reply)
1106 static void handle_eta(struct fio_client *client, struct fio_net_cmd *cmd)
1108 struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
1109 struct client_eta *eta = (struct client_eta *) (uintptr_t) cmd->tag;
1111 dprint(FD_NET, "client: got eta tag %p, %d\n", eta, eta->pending);
1113 assert(client->eta_in_flight == eta);
1115 client->eta_in_flight = NULL;
1116 flist_del_init(&client->eta_list);
1118 if (client->ops->jobs_eta)
1119 client->ops->jobs_eta(client, je);
1121 fio_client_sum_jobs_eta(&eta->eta, je);
1122 fio_client_dec_jobs_eta(eta, client->ops->eta);
1125 static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd)
1127 struct cmd_probe_reply_pdu *probe = (struct cmd_probe_reply_pdu *) cmd->payload;
1128 const char *os, *arch;
1131 os = fio_get_os_string(probe->os);
1135 arch = fio_get_arch_string(probe->arch);
1139 sprintf(bit, "%d-bit", probe->bpp * 8);
1140 probe->flags = le64_to_cpu(probe->flags);
1142 log_info("hostname=%s, be=%u, %s, os=%s, arch=%s, fio=%s, flags=%lx\n",
1143 probe->hostname, probe->bigendian, bit, os, arch,
1144 probe->fio_version, (unsigned long) probe->flags);
1147 client->name = strdup((char *) probe->hostname);
1150 static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd)
1152 struct cmd_start_pdu *pdu = (struct cmd_start_pdu *) cmd->payload;
1154 client->state = Client_started;
1155 client->jobs = le32_to_cpu(pdu->jobs);
1156 client->nr_stat = le32_to_cpu(pdu->stat_outputs);
1158 if (sum_stat_clients > 1)
1159 do_output_all_clients = 1;
1161 sum_stat_clients += client->nr_stat;
1164 static void handle_stop(struct fio_client *client, struct fio_net_cmd *cmd)
1167 log_info("client <%s>: exited with error %d\n", client->hostname, client->error);
1170 static void convert_stop(struct fio_net_cmd *cmd)
1172 struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload;
1174 pdu->error = le32_to_cpu(pdu->error);
1177 static void convert_text(struct fio_net_cmd *cmd)
1179 struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmd->payload;
1181 pdu->level = le32_to_cpu(pdu->level);
1182 pdu->buf_len = le32_to_cpu(pdu->buf_len);
1183 pdu->log_sec = le64_to_cpu(pdu->log_sec);
1184 pdu->log_usec = le64_to_cpu(pdu->log_usec);
1187 static struct cmd_iolog_pdu *convert_iolog_gz(struct fio_net_cmd *cmd,
1188 struct cmd_iolog_pdu *pdu)
1191 struct cmd_iolog_pdu *ret;
1193 uint32_t nr_samples;
1197 stream.zalloc = Z_NULL;
1198 stream.zfree = Z_NULL;
1199 stream.opaque = Z_NULL;
1200 stream.avail_in = 0;
1201 stream.next_in = Z_NULL;
1203 if (inflateInit(&stream) != Z_OK)
1207 * Get header first, it's not compressed
1209 nr_samples = le64_to_cpu(pdu->nr_samples);
1211 total = nr_samples * __log_entry_sz(le32_to_cpu(pdu->log_offset));
1212 ret = malloc(total + sizeof(*pdu));
1213 ret->nr_samples = nr_samples;
1215 memcpy(ret, pdu, sizeof(*pdu));
1217 p = (void *) ret + sizeof(*pdu);
1219 stream.avail_in = cmd->pdu_len - sizeof(*pdu);
1220 stream.next_in = (void *) pdu + sizeof(*pdu);
1221 while (stream.avail_in) {
1222 unsigned int this_chunk = 65536;
1223 unsigned int this_len;
1226 if (this_chunk > total)
1229 stream.avail_out = this_chunk;
1230 stream.next_out = p;
1231 err = inflate(&stream, Z_NO_FLUSH);
1232 /* may be Z_OK, or Z_STREAM_END */
1234 log_err("fio: inflate error %d\n", err);
1240 this_len = this_chunk - stream.avail_out;
1246 inflateEnd(&stream);
1254 * This has been compressed on the server side, since it can be big.
1257 static struct cmd_iolog_pdu *convert_iolog(struct fio_net_cmd *cmd)
1259 struct cmd_iolog_pdu *pdu = (struct cmd_iolog_pdu *) cmd->payload;
1260 struct cmd_iolog_pdu *ret;
1265 * Convert if compressed and we support it. If it's not
1266 * compressed, we need not do anything.
1268 if (le32_to_cpu(pdu->compressed)) {
1270 log_err("fio: server sent compressed data by mistake\n");
1273 ret = convert_iolog_gz(cmd, pdu);
1275 log_err("fio: failed decompressing log\n");
1281 ret->nr_samples = le64_to_cpu(ret->nr_samples);
1282 ret->thread_number = le32_to_cpu(ret->thread_number);
1283 ret->log_type = le32_to_cpu(ret->log_type);
1284 ret->compressed = le32_to_cpu(ret->compressed);
1285 ret->log_offset = le32_to_cpu(ret->log_offset);
1287 samples = &ret->samples[0];
1288 for (i = 0; i < ret->nr_samples; i++) {
1289 struct io_sample *s;
1291 s = __get_sample(samples, ret->log_offset, i);
1292 s->time = le64_to_cpu(s->time);
1293 s->val = le64_to_cpu(s->val);
1294 s->__ddir = le32_to_cpu(s->__ddir);
1295 s->bs = le32_to_cpu(s->bs);
1297 if (ret->log_offset) {
1298 struct io_sample_offset *so = (void *) s;
1300 so->offset = le64_to_cpu(so->offset);
1307 int fio_handle_client(struct fio_client *client)
1309 struct client_ops *ops = client->ops;
1310 struct fio_net_cmd *cmd;
1312 dprint(FD_NET, "client: handle %s\n", client->hostname);
1314 cmd = fio_net_recv_cmd(client->fd);
1318 dprint(FD_NET, "client: got cmd op %s from %s (pdu=%u)\n",
1319 fio_server_op(cmd->opcode), client->hostname, cmd->pdu_len);
1321 switch (cmd->opcode) {
1322 case FIO_NET_CMD_QUIT:
1324 ops->quit(client, cmd);
1325 remove_client(client);
1328 case FIO_NET_CMD_TEXT:
1330 ops->text(client, cmd);
1333 case FIO_NET_CMD_DU: {
1334 struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload;
1336 convert_dus(&du->dus);
1337 convert_agg(&du->agg);
1339 ops->disk_util(client, cmd);
1343 case FIO_NET_CMD_TS: {
1344 struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
1346 convert_ts(&p->ts, &p->ts);
1347 convert_gs(&p->rs, &p->rs);
1349 ops->thread_status(client, cmd);
1353 case FIO_NET_CMD_GS: {
1354 struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
1358 ops->group_stats(client, cmd);
1362 case FIO_NET_CMD_ETA: {
1363 struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
1365 remove_reply_cmd(client, cmd);
1366 convert_jobs_eta(je);
1367 handle_eta(client, cmd);
1371 case FIO_NET_CMD_PROBE:
1372 remove_reply_cmd(client, cmd);
1373 ops->probe(client, cmd);
1376 case FIO_NET_CMD_SERVER_START:
1377 client->state = Client_running;
1379 ops->job_start(client, cmd);
1382 case FIO_NET_CMD_START: {
1383 struct cmd_start_pdu *pdu = (struct cmd_start_pdu *) cmd->payload;
1385 pdu->jobs = le32_to_cpu(pdu->jobs);
1386 ops->start(client, cmd);
1390 case FIO_NET_CMD_STOP: {
1391 struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload;
1394 client->state = Client_stopped;
1395 client->error = le32_to_cpu(pdu->error);
1396 client->signal = le32_to_cpu(pdu->signal);
1397 ops->stop(client, cmd);
1401 case FIO_NET_CMD_ADD_JOB: {
1402 struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload;
1404 client->thread_number = le32_to_cpu(pdu->thread_number);
1405 client->groupid = le32_to_cpu(pdu->groupid);
1408 ops->add_job(client, cmd);
1412 case FIO_NET_CMD_IOLOG:
1414 struct cmd_iolog_pdu *pdu;
1416 pdu = convert_iolog(cmd);
1417 ops->iolog(client, pdu);
1421 case FIO_NET_CMD_UPDATE_JOB:
1422 ops->update_job(client, cmd);
1423 remove_reply_cmd(client, cmd);
1427 log_err("fio: unknown client op: %s\n", fio_server_op(cmd->opcode));
1435 static void request_client_etas(struct client_ops *ops)
1437 struct fio_client *client;
1438 struct flist_head *entry;
1439 struct client_eta *eta;
1442 dprint(FD_NET, "client: request eta (%d)\n", nr_clients);
1444 eta = calloc(1, sizeof(*eta) + __THREAD_RUNSTR_SZ(REAL_MAX_JOBS));
1445 eta->pending = nr_clients;
1447 flist_for_each(entry, &client_list) {
1448 client = flist_entry(entry, struct fio_client, list);
1450 if (!flist_empty(&client->eta_list)) {
1454 if (client->state != Client_running)
1457 assert(!client->eta_in_flight);
1458 flist_add_tail(&client->eta_list, &eta_list);
1459 client->eta_in_flight = eta;
1460 fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_SEND_ETA,
1461 (uintptr_t) eta, &client->cmd_list);
1465 fio_client_dec_jobs_eta(eta, ops->eta);
1467 dprint(FD_NET, "client: requested eta tag %p\n", eta);
1470 static int client_check_cmd_timeout(struct fio_client *client,
1471 struct timeval *now)
1473 struct fio_net_cmd_reply *reply;
1474 struct flist_head *entry, *tmp;
1477 flist_for_each_safe(entry, tmp, &client->cmd_list) {
1478 reply = flist_entry(entry, struct fio_net_cmd_reply, list);
1480 if (mtime_since(&reply->tv, now) < FIO_NET_CLIENT_TIMEOUT)
1483 log_err("fio: client %s, timeout on cmd %s\n", client->hostname,
1484 fio_server_op(reply->opcode));
1485 flist_del(&reply->list);
1490 return flist_empty(&client->cmd_list) && ret;
1493 static int fio_check_clients_timed_out(void)
1495 struct fio_client *client;
1496 struct flist_head *entry, *tmp;
1500 fio_gettime(&tv, NULL);
1502 flist_for_each_safe(entry, tmp, &client_list) {
1503 client = flist_entry(entry, struct fio_client, list);
1505 if (flist_empty(&client->cmd_list))
1508 if (!client_check_cmd_timeout(client, &tv))
1511 if (client->ops->timed_out)
1512 client->ops->timed_out(client);
1514 log_err("fio: client %s timed out\n", client->hostname);
1516 remove_client(client);
1523 int fio_handle_clients(struct client_ops *ops)
1525 struct pollfd *pfds;
1526 int i, ret = 0, retval = 0;
1528 fio_gettime(&eta_tv, NULL);
1530 pfds = malloc(nr_clients * sizeof(struct pollfd));
1532 init_thread_stat(&client_ts);
1533 init_group_run_stat(&client_gs);
1535 while (!exit_backend && nr_clients) {
1536 struct flist_head *entry, *tmp;
1537 struct fio_client *client;
1540 flist_for_each_safe(entry, tmp, &client_list) {
1541 client = flist_entry(entry, struct fio_client, list);
1543 if (!client->sent_job && !client->ops->stay_connected &&
1544 flist_empty(&client->cmd_list)) {
1545 remove_client(client);
1549 pfds[i].fd = client->fd;
1550 pfds[i].events = POLLIN;
1557 assert(i == nr_clients);
1562 fio_gettime(&tv, NULL);
1563 if (mtime_since(&eta_tv, &tv) >= 900) {
1564 request_client_etas(ops);
1565 memcpy(&eta_tv, &tv, sizeof(tv));
1567 if (fio_check_clients_timed_out())
1571 ret = poll(pfds, nr_clients, ops->eta_msec);
1575 log_err("fio: poll clients: %s\n", strerror(errno));
1581 for (i = 0; i < nr_clients; i++) {
1582 if (!(pfds[i].revents & POLLIN))
1585 client = find_client_by_fd(pfds[i].fd);
1587 log_err("fio: unknown client fd %ld\n", (long) pfds[i].fd);
1590 if (!fio_handle_client(client)) {
1591 log_info("client: host=%s disconnected\n",
1593 remove_client(client);
1595 } else if (client->error)
1597 fio_put_client(client);
1601 fio_client_json_fini();