9 #include <sys/socket.h>
11 #include <netinet/in.h>
12 #include <arpa/inet.h>
24 #include "verify-state.h"
26 static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd);
27 static void handle_ts(struct fio_client *client, struct fio_net_cmd *cmd);
28 static void handle_gs(struct fio_client *client, struct fio_net_cmd *cmd);
29 static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd);
30 static void handle_text(struct fio_client *client, struct fio_net_cmd *cmd);
31 static void handle_stop(struct fio_client *client);
32 static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd);
34 static void convert_text(struct fio_net_cmd *cmd);
35 static void client_display_thread_status(struct jobs_eta *je);
37 struct client_ops fio_client_ops = {
39 .disk_util = handle_du,
40 .thread_status = handle_ts,
41 .group_stats = handle_gs,
43 .start = handle_start,
44 .eta = client_display_thread_status,
45 .probe = handle_probe,
46 .eta_msec = FIO_CLIENT_DEF_ETA_MSEC,
47 .client_type = FIO_CLIENT_TYPE_CLI,
50 static struct timespec eta_ts;
52 static FLIST_HEAD(client_list);
53 static FLIST_HEAD(eta_list);
55 static FLIST_HEAD(arg_list);
57 struct thread_stat client_ts;
58 struct group_run_stats client_gs;
61 static int sum_stat_nr;
62 static struct buf_output allclients;
63 static struct json_object *root = NULL;
64 static struct json_object *job_opt_object = NULL;
65 static struct json_array *clients_array = NULL;
66 static struct json_array *du_array = NULL;
68 static int error_clients;
70 #define FIO_CLIENT_HASH_BITS 7
71 #define FIO_CLIENT_HASH_SZ (1 << FIO_CLIENT_HASH_BITS)
72 #define FIO_CLIENT_HASH_MASK (FIO_CLIENT_HASH_SZ - 1)
73 static struct flist_head client_hash[FIO_CLIENT_HASH_SZ];
75 static struct cmd_iolog_pdu *convert_iolog(struct fio_net_cmd *, bool *);
77 static void fio_client_add_hash(struct fio_client *client)
79 int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS);
81 bucket &= FIO_CLIENT_HASH_MASK;
82 flist_add(&client->hash_list, &client_hash[bucket]);
85 static void fio_client_remove_hash(struct fio_client *client)
87 if (!flist_empty(&client->hash_list))
88 flist_del_init(&client->hash_list);
91 static void fio_init fio_client_hash_init(void)
95 for (i = 0; i < FIO_CLIENT_HASH_SZ; i++)
96 INIT_FLIST_HEAD(&client_hash[i]);
99 static int read_data(int fd, void *data, size_t size)
104 ret = read(fd, data, size);
106 if (errno == EAGAIN || errno == EINTR)
123 static int read_ini_data(int fd, void *data, size_t size)
134 fp = fdopen(dupfd, "r");
143 char buf[OPT_LEN_MAX+1], *sub;
145 if (!fgets(buf, sizeof(buf), fp)) {
147 if (errno == EAGAIN || errno == EINTR)
154 sub = fio_option_dup_subs(buf);
156 if (len + 1 > size) {
157 log_err("fio: no space left to read data\n");
175 static void fio_client_json_init(void)
180 if (!(output_format & FIO_OUTPUT_JSON))
184 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
185 time_buf[strlen(time_buf) - 1] = '\0';
187 root = json_create_object();
188 json_object_add_value_string(root, "fio version", fio_version_string);
189 json_object_add_value_int(root, "timestamp", time_p);
190 json_object_add_value_string(root, "time", time_buf);
192 job_opt_object = json_create_object();
193 json_object_add_value_object(root, "global options", job_opt_object);
194 clients_array = json_create_array();
195 json_object_add_value_array(root, "client_stats", clients_array);
196 du_array = json_create_array();
197 json_object_add_value_array(root, "disk_util", du_array);
200 static void fio_client_json_fini(void)
202 struct buf_output out;
207 buf_output_init(&out);
209 __log_buf(&out, "\n");
210 json_print_object(root, &out);
211 __log_buf(&out, "\n");
212 log_info_buf(out.buf, out.buflen);
214 buf_output_free(&out);
216 json_free_object(root);
218 job_opt_object = NULL;
219 clients_array = NULL;
223 static struct fio_client *find_client_by_fd(int fd)
225 int bucket = hash_long(fd, FIO_CLIENT_HASH_BITS) & FIO_CLIENT_HASH_MASK;
226 struct fio_client *client;
227 struct flist_head *entry;
229 flist_for_each(entry, &client_hash[bucket]) {
230 client = flist_entry(entry, struct fio_client, hash_list);
232 if (client->fd == fd) {
241 void fio_put_client(struct fio_client *client)
246 log_info_buf(client->buf.buf, client->buf.buflen);
247 buf_output_free(&client->buf);
249 free(client->hostname);
254 while (client->nr_files) {
255 struct client_file *cf = &client->files[--client->nr_files];
261 if (client->opt_lists)
262 free(client->opt_lists);
264 if (!client->did_stat)
273 static int fio_client_dec_jobs_eta(struct client_eta *eta, client_eta_op eta_fn)
275 if (!--eta->pending) {
284 static void fio_drain_client_text(struct fio_client *client)
287 struct fio_net_cmd *cmd;
289 cmd = fio_net_recv_cmd(client->fd, false);
293 if (cmd->opcode == FIO_NET_CMD_TEXT) {
295 client->ops->text(client, cmd);
302 static void remove_client(struct fio_client *client)
304 assert(client->refs);
306 dprint(FD_NET, "client: removed <%s>\n", client->hostname);
308 fio_drain_client_text(client);
310 if (!flist_empty(&client->list))
311 flist_del_init(&client->list);
313 fio_client_remove_hash(client);
315 if (!flist_empty(&client->eta_list)) {
316 flist_del_init(&client->eta_list);
317 fio_client_dec_jobs_eta(client->eta_in_flight, client->ops->eta);
323 if (client->ops->removed)
324 client->ops->removed(client);
327 fio_put_client(client);
330 struct fio_client *fio_get_client(struct fio_client *client)
336 static void __fio_client_add_cmd_option(struct fio_client *client,
341 index = client->argc++;
342 client->argv = realloc(client->argv, sizeof(char *) * client->argc);
343 client->argv[index] = strdup(opt);
344 dprint(FD_NET, "client: add cmd %d: %s\n", index, opt);
347 void fio_client_add_cmd_option(void *cookie, const char *opt)
349 struct fio_client *client = cookie;
350 struct flist_head *entry;
355 __fio_client_add_cmd_option(client, opt);
358 * Duplicate arguments to shared client group
360 flist_for_each(entry, &arg_list) {
361 client = flist_entry(entry, struct fio_client, arg_list);
363 __fio_client_add_cmd_option(client, opt);
367 static struct fio_client *get_new_client(void)
369 struct fio_client *client;
371 client = malloc(sizeof(*client));
372 memset(client, 0, sizeof(*client));
374 INIT_FLIST_HEAD(&client->list);
375 INIT_FLIST_HEAD(&client->hash_list);
376 INIT_FLIST_HEAD(&client->arg_list);
377 INIT_FLIST_HEAD(&client->eta_list);
378 INIT_FLIST_HEAD(&client->cmd_list);
380 buf_output_init(&client->buf);
385 struct fio_client *fio_client_add_explicit(struct client_ops *ops,
386 const char *hostname, int type,
389 struct fio_client *client;
391 client = get_new_client();
393 client->hostname = strdup(hostname);
395 if (type == Fio_client_socket)
396 client->is_sock = true;
400 ipv6 = type == Fio_client_ipv6;
401 if (fio_server_parse_host(hostname, ipv6,
402 &client->addr.sin_addr,
403 &client->addr6.sin6_addr))
412 client->type = ops->client_type;
414 __fio_client_add_cmd_option(client, "fio");
416 flist_add(&client->list, &client_list);
418 dprint(FD_NET, "client: added <%s>\n", client->hostname);
425 int fio_client_add_ini_file(void *cookie, const char *ini_file, bool remote)
427 struct fio_client *client = cookie;
428 struct client_file *cf;
435 dprint(FD_NET, "client <%s>: add ini %s\n", client->hostname, ini_file);
437 new_size = (client->nr_files + 1) * sizeof(struct client_file);
438 new_files = realloc(client->files, new_size);
442 client->files = new_files;
443 cf = &client->files[client->nr_files];
444 cf->file = strdup(ini_file);
450 int fio_client_add(struct client_ops *ops, const char *hostname, void **cookie)
452 struct fio_client *existing = *cookie;
453 struct fio_client *client;
457 * We always add our "exec" name as the option, hence 1
460 if (existing->argc == 1)
461 flist_add_tail(&existing->arg_list, &arg_list);
463 while (!flist_empty(&arg_list))
464 flist_del_init(arg_list.next);
468 client = get_new_client();
470 if (fio_server_parse_string(hostname, &client->hostname,
471 &client->is_sock, &client->port,
472 &client->addr.sin_addr,
473 &client->addr6.sin6_addr,
475 fio_put_client(client);
482 client->type = ops->client_type;
484 __fio_client_add_cmd_option(client, "fio");
486 flist_add(&client->list, &client_list);
488 dprint(FD_NET, "client: added <%s>\n", client->hostname);
493 static const char *server_name(struct fio_client *client, char *buf,
499 from = inet_ntop(AF_INET6, (struct sockaddr *) &client->addr6.sin6_addr, buf, bufsize);
500 else if (client->is_sock)
503 from = inet_ntop(AF_INET, (struct sockaddr *) &client->addr.sin_addr, buf, bufsize);
508 static void probe_client(struct fio_client *client)
510 struct cmd_client_probe_pdu pdu;
515 dprint(FD_NET, "client: send probe\n");
518 pdu.flags = __le64_to_cpu(FIO_PROBE_FLAG_ZLIB);
523 sname = server_name(client, buf, sizeof(buf));
524 memset(pdu.server, 0, sizeof(pdu.server));
525 snprintf((char *) pdu.server, sizeof(pdu.server), "%s", sname);
527 fio_net_send_cmd(client->fd, FIO_NET_CMD_PROBE, &pdu, sizeof(pdu), &tag, &client->cmd_list);
530 static int fio_client_connect_ip(struct fio_client *client)
532 struct sockaddr *addr;
537 client->addr6.sin6_family = AF_INET6;
538 client->addr6.sin6_port = htons(client->port);
540 addr = (struct sockaddr *) &client->addr6;
541 socklen = sizeof(client->addr6);
543 client->addr.sin_family = AF_INET;
544 client->addr.sin_port = htons(client->port);
546 addr = (struct sockaddr *) &client->addr;
547 socklen = sizeof(client->addr);
550 fd = socket(domain, SOCK_STREAM, 0);
554 log_err("fio: socket: %s\n", strerror(errno));
558 if (connect(fd, addr, socklen) < 0) {
561 log_err("fio: connect: %s\n", strerror(errno));
562 log_err("fio: failed to connect to %s:%u\n", client->hostname,
571 static int fio_client_connect_sock(struct fio_client *client)
573 struct sockaddr_un *addr = &client->addr_un;
577 memset(addr, 0, sizeof(*addr));
578 addr->sun_family = AF_UNIX;
579 snprintf(addr->sun_path, sizeof(addr->sun_path), "%s",
582 fd = socket(AF_UNIX, SOCK_STREAM, 0);
586 log_err("fio: socket: %s\n", strerror(errno));
590 len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1;
591 if (connect(fd, (struct sockaddr *) addr, len) < 0) {
594 log_err("fio: connect; %s\n", strerror(errno));
602 int fio_client_connect(struct fio_client *client)
606 dprint(FD_NET, "client: connect to host %s\n", client->hostname);
609 fd = fio_client_connect_sock(client);
611 fd = fio_client_connect_ip(client);
613 dprint(FD_NET, "client: %s connected %d\n", client->hostname, fd);
619 fio_client_add_hash(client);
620 client->state = Client_connected;
622 probe_client(client);
626 int fio_client_terminate(struct fio_client *client)
628 return fio_net_send_quit(client->fd);
631 static void fio_clients_terminate(void)
633 struct flist_head *entry;
634 struct fio_client *client;
636 dprint(FD_NET, "client: terminate clients\n");
638 flist_for_each(entry, &client_list) {
639 client = flist_entry(entry, struct fio_client, list);
640 fio_client_terminate(client);
644 static void sig_int(int sig)
646 dprint(FD_NET, "client: got signal %d\n", sig);
647 fio_clients_terminate();
650 static void client_signal_handler(void)
652 struct sigaction act;
654 memset(&act, 0, sizeof(act));
655 act.sa_handler = sig_int;
656 act.sa_flags = SA_RESTART;
657 sigaction(SIGINT, &act, NULL);
659 memset(&act, 0, sizeof(act));
660 act.sa_handler = sig_int;
661 act.sa_flags = SA_RESTART;
662 sigaction(SIGTERM, &act, NULL);
664 /* Windows uses SIGBREAK as a quit signal from other applications */
666 memset(&act, 0, sizeof(act));
667 act.sa_handler = sig_int;
668 act.sa_flags = SA_RESTART;
669 sigaction(SIGBREAK, &act, NULL);
672 memset(&act, 0, sizeof(act));
673 act.sa_handler = sig_show_status;
674 act.sa_flags = SA_RESTART;
675 sigaction(SIGUSR1, &act, NULL);
678 static int send_client_cmd_line(struct fio_client *client)
680 struct cmd_single_line_pdu *cslp;
681 struct cmd_line_pdu *clp;
682 unsigned long offset;
688 dprint(FD_NET, "client: send cmdline %d\n", client->argc);
690 lens = malloc(client->argc * sizeof(unsigned int));
693 * Find out how much mem we need
695 for (i = 0, mem = 0; i < client->argc; i++) {
696 lens[i] = strlen(client->argv[i]) + 1;
701 * We need one cmd_line_pdu, and argc number of cmd_single_line_pdu
703 mem += sizeof(*clp) + (client->argc * sizeof(*cslp));
707 offset = sizeof(*clp);
709 for (i = 0; i < client->argc; i++) {
710 uint16_t arg_len = lens[i];
713 strcpy((char *) cslp->text, client->argv[i]);
714 cslp->len = cpu_to_le16(arg_len);
715 offset += sizeof(*cslp) + arg_len;
719 clp->lines = cpu_to_le16(client->argc);
720 clp->client_type = __cpu_to_le16(client->type);
721 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, mem, NULL, NULL);
726 int fio_clients_connect(void)
728 struct fio_client *client;
729 struct flist_head *entry, *tmp;
734 WSAStartup(MAKEWORD(2, 2), &wsd);
737 dprint(FD_NET, "client: connect all\n");
739 client_signal_handler();
741 flist_for_each_safe(entry, tmp, &client_list) {
742 client = flist_entry(entry, struct fio_client, list);
744 ret = fio_client_connect(client);
746 remove_client(client);
750 if (client->argc > 1)
751 send_client_cmd_line(client);
757 int fio_start_client(struct fio_client *client)
759 dprint(FD_NET, "client: start %s\n", client->hostname);
760 return fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_RUN, 0, NULL);
763 int fio_start_all_clients(void)
765 struct fio_client *client;
766 struct flist_head *entry, *tmp;
769 dprint(FD_NET, "client: start all\n");
771 fio_client_json_init();
773 flist_for_each_safe(entry, tmp, &client_list) {
774 client = flist_entry(entry, struct fio_client, list);
776 ret = fio_start_client(client);
778 remove_client(client);
783 return flist_empty(&client_list);
786 static int __fio_client_send_remote_ini(struct fio_client *client,
787 const char *filename)
789 struct cmd_load_file_pdu *pdu;
793 dprint(FD_NET, "send remote ini %s to %s\n", filename, client->hostname);
795 p_size = sizeof(*pdu) + strlen(filename) + 1;
796 pdu = malloc(p_size);
797 memset(pdu, 0, p_size);
798 pdu->name_len = strlen(filename);
799 strcpy((char *) pdu->file, filename);
800 pdu->client_type = cpu_to_le16((uint16_t) client->type);
802 client->sent_job = true;
803 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_LOAD_FILE, pdu, p_size,NULL, NULL);
809 * Send file contents to server backend. We could use sendfile(), but to remain
810 * more portable lets just read/write the darn thing.
812 static int __fio_client_send_local_ini(struct fio_client *client,
813 const char *filename)
815 struct cmd_job_pdu *pdu;
823 dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname);
825 fd = open(filename, O_RDONLY);
828 log_err("fio: job file <%s> open: %s\n", filename, strerror(errno));
832 if (fstat(fd, &sb) < 0) {
834 log_err("fio: job file stat: %s\n", strerror(errno));
840 * Add extra space for variable expansion, but doesn't guarantee.
842 sb.st_size += OPT_LEN_MAX;
843 p_size = sb.st_size + sizeof(*pdu);
844 pdu = malloc(p_size);
849 if (read_ini_data(fd, p, len)) {
850 log_err("fio: failed reading job file %s\n", filename);
856 pdu->buf_len = __cpu_to_le32(sb.st_size);
857 pdu->client_type = cpu_to_le32(client->type);
859 client->sent_job = true;
860 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, pdu, p_size, NULL, NULL);
866 int fio_client_send_ini(struct fio_client *client, const char *filename,
872 ret = __fio_client_send_local_ini(client, filename);
874 ret = __fio_client_send_remote_ini(client, filename);
877 client->sent_job = true;
882 static int fio_client_send_cf(struct fio_client *client,
883 struct client_file *cf)
885 return fio_client_send_ini(client, cf->file, cf->remote);
888 int fio_clients_send_ini(const char *filename)
890 struct fio_client *client;
891 struct flist_head *entry, *tmp;
893 flist_for_each_safe(entry, tmp, &client_list) {
896 client = flist_entry(entry, struct fio_client, list);
898 if (client->nr_files) {
901 for (i = 0; i < client->nr_files; i++) {
902 struct client_file *cf;
904 cf = &client->files[i];
906 if (fio_client_send_cf(client, cf)) {
908 remove_client(client);
913 if (client->sent_job || failed)
915 if (!filename || fio_client_send_ini(client, filename, 0))
916 remove_client(client);
922 int fio_client_update_options(struct fio_client *client,
923 struct thread_options *o, uint64_t *tag)
925 struct cmd_add_job_pdu pdu;
927 pdu.thread_number = cpu_to_le32(client->thread_number);
928 pdu.groupid = cpu_to_le32(client->groupid);
929 convert_thread_options_to_net(&pdu.top, o);
931 return fio_net_send_cmd(client->fd, FIO_NET_CMD_UPDATE_JOB, &pdu, sizeof(pdu), tag, &client->cmd_list);
934 static void convert_io_stat(struct io_stat *dst, struct io_stat *src)
936 dst->max_val = le64_to_cpu(src->max_val);
937 dst->min_val = le64_to_cpu(src->min_val);
938 dst->samples = le64_to_cpu(src->samples);
941 * Floats arrive as IEEE 754 encoded uint64_t, convert back to double
943 dst->mean.u.f = fio_uint64_to_double(le64_to_cpu(dst->mean.u.i));
944 dst->S.u.f = fio_uint64_to_double(le64_to_cpu(dst->S.u.i));
947 static void convert_ts(struct thread_stat *dst, struct thread_stat *src)
951 dst->error = le32_to_cpu(src->error);
952 dst->thread_number = le32_to_cpu(src->thread_number);
953 dst->groupid = le32_to_cpu(src->groupid);
954 dst->pid = le32_to_cpu(src->pid);
955 dst->members = le32_to_cpu(src->members);
956 dst->unified_rw_rep = le32_to_cpu(src->unified_rw_rep);
958 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
959 convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]);
960 convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]);
961 convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]);
962 convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]);
963 convert_io_stat(&dst->iops_stat[i], &src->iops_stat[i]);
965 convert_io_stat(&dst->sync_stat, &src->sync_stat);
967 dst->usr_time = le64_to_cpu(src->usr_time);
968 dst->sys_time = le64_to_cpu(src->sys_time);
969 dst->ctx = le64_to_cpu(src->ctx);
970 dst->minf = le64_to_cpu(src->minf);
971 dst->majf = le64_to_cpu(src->majf);
972 dst->clat_percentiles = le32_to_cpu(src->clat_percentiles);
973 dst->lat_percentiles = le32_to_cpu(src->lat_percentiles);
974 dst->slat_percentiles = le32_to_cpu(src->slat_percentiles);
975 dst->percentile_precision = le64_to_cpu(src->percentile_precision);
977 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
978 fio_fp64_t *fps = &src->percentile_list[i];
979 fio_fp64_t *fpd = &dst->percentile_list[i];
981 fpd->u.f = fio_uint64_to_double(le64_to_cpu(fps->u.i));
984 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
985 dst->io_u_map[i] = le64_to_cpu(src->io_u_map[i]);
986 dst->io_u_submit[i] = le64_to_cpu(src->io_u_submit[i]);
987 dst->io_u_complete[i] = le64_to_cpu(src->io_u_complete[i]);
990 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
991 dst->io_u_lat_n[i] = le64_to_cpu(src->io_u_lat_n[i]);
992 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
993 dst->io_u_lat_u[i] = le64_to_cpu(src->io_u_lat_u[i]);
994 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
995 dst->io_u_lat_m[i] = le64_to_cpu(src->io_u_lat_m[i]);
997 for (i = 0; i < FIO_LAT_CNT; i++)
998 for (j = 0; j < DDIR_RWDIR_CNT; j++)
999 for (k = 0; k < FIO_IO_U_PLAT_NR; k++)
1000 dst->io_u_plat[i][j][k] = le64_to_cpu(src->io_u_plat[i][j][k]);
1002 for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
1003 dst->io_u_sync_plat[j] = le64_to_cpu(src->io_u_sync_plat[j]);
1005 for (i = 0; i < DDIR_RWDIR_SYNC_CNT; i++)
1006 dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]);
1008 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1009 dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]);
1010 dst->drop_io_u[i] = le64_to_cpu(src->drop_io_u[i]);
1013 dst->total_submit = le64_to_cpu(src->total_submit);
1014 dst->total_complete = le64_to_cpu(src->total_complete);
1015 dst->nr_zone_resets = le64_to_cpu(src->nr_zone_resets);
1017 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1018 dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]);
1019 dst->runtime[i] = le64_to_cpu(src->runtime[i]);
1022 dst->total_run_time = le64_to_cpu(src->total_run_time);
1023 dst->continue_on_error = le16_to_cpu(src->continue_on_error);
1024 dst->total_err_count = le64_to_cpu(src->total_err_count);
1025 dst->first_error = le32_to_cpu(src->first_error);
1026 dst->kb_base = le32_to_cpu(src->kb_base);
1027 dst->unit_base = le32_to_cpu(src->unit_base);
1029 dst->sig_figs = le32_to_cpu(src->sig_figs);
1031 dst->latency_depth = le32_to_cpu(src->latency_depth);
1032 dst->latency_target = le64_to_cpu(src->latency_target);
1033 dst->latency_window = le64_to_cpu(src->latency_window);
1034 dst->latency_percentile.u.f = fio_uint64_to_double(le64_to_cpu(src->latency_percentile.u.i));
1036 dst->nr_block_infos = le64_to_cpu(src->nr_block_infos);
1037 for (i = 0; i < dst->nr_block_infos; i++)
1038 dst->block_infos[i] = le32_to_cpu(src->block_infos[i]);
1039 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1040 for (j = 0; j < FIO_IO_U_PLAT_NR; j++) {
1041 dst->io_u_plat_high_prio[i][j] = le64_to_cpu(src->io_u_plat_high_prio[i][j]);
1042 dst->io_u_plat_low_prio[i][j] = le64_to_cpu(src->io_u_plat_low_prio[i][j]);
1044 convert_io_stat(&dst->clat_high_prio_stat[i], &src->clat_high_prio_stat[i]);
1045 convert_io_stat(&dst->clat_low_prio_stat[i], &src->clat_low_prio_stat[i]);
1048 dst->ss_dur = le64_to_cpu(src->ss_dur);
1049 dst->ss_state = le32_to_cpu(src->ss_state);
1050 dst->ss_head = le32_to_cpu(src->ss_head);
1051 dst->ss_limit.u.f = fio_uint64_to_double(le64_to_cpu(src->ss_limit.u.i));
1052 dst->ss_slope.u.f = fio_uint64_to_double(le64_to_cpu(src->ss_slope.u.i));
1053 dst->ss_deviation.u.f = fio_uint64_to_double(le64_to_cpu(src->ss_deviation.u.i));
1054 dst->ss_criterion.u.f = fio_uint64_to_double(le64_to_cpu(src->ss_criterion.u.i));
1056 if (dst->ss_state & FIO_SS_DATA) {
1057 for (i = 0; i < dst->ss_dur; i++ ) {
1058 dst->ss_iops_data[i] = le64_to_cpu(src->ss_iops_data[i]);
1059 dst->ss_bw_data[i] = le64_to_cpu(src->ss_bw_data[i]);
1063 dst->cachehit = le64_to_cpu(src->cachehit);
1064 dst->cachemiss = le64_to_cpu(src->cachemiss);
1067 static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src)
1071 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1072 dst->max_run[i] = le64_to_cpu(src->max_run[i]);
1073 dst->min_run[i] = le64_to_cpu(src->min_run[i]);
1074 dst->max_bw[i] = le64_to_cpu(src->max_bw[i]);
1075 dst->min_bw[i] = le64_to_cpu(src->min_bw[i]);
1076 dst->iobytes[i] = le64_to_cpu(src->iobytes[i]);
1077 dst->agg[i] = le64_to_cpu(src->agg[i]);
1080 dst->kb_base = le32_to_cpu(src->kb_base);
1081 dst->unit_base = le32_to_cpu(src->unit_base);
1082 dst->sig_figs = le32_to_cpu(src->sig_figs);
1083 dst->groupid = le32_to_cpu(src->groupid);
1084 dst->unified_rw_rep = le32_to_cpu(src->unified_rw_rep);
1087 static void json_object_add_client_info(struct json_object *obj,
1088 struct fio_client *client)
1090 const char *hostname = client->hostname ? client->hostname : "";
1092 json_object_add_value_string(obj, "hostname", hostname);
1093 json_object_add_value_int(obj, "port", client->port);
1096 static void handle_ts(struct fio_client *client, struct fio_net_cmd *cmd)
1098 struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
1099 struct flist_head *opt_list = NULL;
1100 struct json_object *tsobj;
1102 if (client->opt_lists && p->ts.thread_number <= client->jobs)
1103 opt_list = &client->opt_lists[p->ts.thread_number - 1];
1105 tsobj = show_thread_status(&p->ts, &p->rs, opt_list, &client->buf);
1106 client->did_stat = true;
1108 json_object_add_client_info(tsobj, client);
1109 json_array_add_value_object(clients_array, tsobj);
1112 if (sum_stat_clients <= 1)
1115 sum_thread_stats(&client_ts, &p->ts, sum_stat_nr == 1);
1116 sum_group_stats(&client_gs, &p->rs);
1118 client_ts.members++;
1119 client_ts.thread_number = p->ts.thread_number;
1120 client_ts.groupid = p->ts.groupid;
1121 client_ts.unified_rw_rep = p->ts.unified_rw_rep;
1122 client_ts.sig_figs = p->ts.sig_figs;
1124 if (++sum_stat_nr == sum_stat_clients) {
1125 strcpy(client_ts.name, "All clients");
1126 tsobj = show_thread_status(&client_ts, &client_gs, NULL, &allclients);
1128 json_object_add_client_info(tsobj, client);
1129 json_array_add_value_object(clients_array, tsobj);
1134 static void handle_gs(struct fio_client *client, struct fio_net_cmd *cmd)
1136 struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
1138 if (output_format & FIO_OUTPUT_NORMAL)
1139 show_group_stats(gs, &client->buf);
1142 static void handle_job_opt(struct fio_client *client, struct fio_net_cmd *cmd)
1144 struct cmd_job_option *pdu = (struct cmd_job_option *) cmd->payload;
1145 struct print_option *p;
1147 if (!job_opt_object)
1150 pdu->global = le16_to_cpu(pdu->global);
1151 pdu->truncated = le16_to_cpu(pdu->truncated);
1152 pdu->groupid = le32_to_cpu(pdu->groupid);
1154 p = malloc(sizeof(*p));
1155 p->name = strdup((char *) pdu->name);
1156 if (pdu->value[0] != '\0')
1157 p->value = strdup((char *) pdu->value);
1162 const char *pos = "";
1167 json_object_add_value_string(job_opt_object, p->name, pos);
1168 } else if (client->opt_lists) {
1169 struct flist_head *opt_list = &client->opt_lists[pdu->groupid];
1171 flist_add_tail(&p->list, opt_list);
1179 static void handle_text(struct fio_client *client, struct fio_net_cmd *cmd)
1181 struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmd->payload;
1182 const char *buf = (const char *) pdu->buf;
1185 struct buf_output out;
1187 buf_output_init(&out);
1189 name = client->name ? client->name : client->hostname;
1191 if (!client->skip_newline && !(output_format & FIO_OUTPUT_TERSE))
1192 __log_buf(&out, "<%s> ", name);
1193 __log_buf(&out, "%s", buf);
1194 log_info_buf(out.buf, out.buflen);
1195 buf_output_free(&out);
1196 client->skip_newline = strchr(buf, '\n') == NULL;
1199 static void convert_agg(struct disk_util_agg *agg)
1203 for (i = 0; i < 2; i++) {
1204 agg->ios[i] = le64_to_cpu(agg->ios[i]);
1205 agg->merges[i] = le64_to_cpu(agg->merges[i]);
1206 agg->sectors[i] = le64_to_cpu(agg->sectors[i]);
1207 agg->ticks[i] = le64_to_cpu(agg->ticks[i]);
1210 agg->io_ticks = le64_to_cpu(agg->io_ticks);
1211 agg->time_in_queue = le64_to_cpu(agg->time_in_queue);
1212 agg->slavecount = le32_to_cpu(agg->slavecount);
1213 agg->max_util.u.f = fio_uint64_to_double(le64_to_cpu(agg->max_util.u.i));
1216 static void convert_dus(struct disk_util_stat *dus)
1220 for (i = 0; i < 2; i++) {
1221 dus->s.ios[i] = le64_to_cpu(dus->s.ios[i]);
1222 dus->s.merges[i] = le64_to_cpu(dus->s.merges[i]);
1223 dus->s.sectors[i] = le64_to_cpu(dus->s.sectors[i]);
1224 dus->s.ticks[i] = le64_to_cpu(dus->s.ticks[i]);
1227 dus->s.io_ticks = le64_to_cpu(dus->s.io_ticks);
1228 dus->s.time_in_queue = le64_to_cpu(dus->s.time_in_queue);
1229 dus->s.msec = le64_to_cpu(dus->s.msec);
1232 static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd)
1234 struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload;
1236 if (!client->disk_stats_shown)
1237 client->disk_stats_shown = true;
1239 if (output_format & FIO_OUTPUT_JSON) {
1240 struct json_object *duobj;
1242 json_array_add_disk_util(&du->dus, &du->agg, du_array);
1243 duobj = json_array_last_value_object(du_array);
1244 json_object_add_client_info(duobj, client);
1246 if (output_format & FIO_OUTPUT_NORMAL) {
1247 __log_buf(&client->buf, "\nDisk stats (read/write):\n");
1248 print_disk_util(&du->dus, &du->agg, 0, &client->buf);
1250 if (output_format & FIO_OUTPUT_TERSE && terse_version >= 3) {
1251 print_disk_util(&du->dus, &du->agg, 1, &client->buf);
1252 __log_buf(&client->buf, "\n");
1256 static void convert_jobs_eta(struct jobs_eta *je)
1260 je->nr_running = le32_to_cpu(je->nr_running);
1261 je->nr_ramp = le32_to_cpu(je->nr_ramp);
1262 je->nr_pending = le32_to_cpu(je->nr_pending);
1263 je->nr_setting_up = le32_to_cpu(je->nr_setting_up);
1264 je->files_open = le32_to_cpu(je->files_open);
1266 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1267 je->m_rate[i] = le64_to_cpu(je->m_rate[i]);
1268 je->t_rate[i] = le64_to_cpu(je->t_rate[i]);
1269 je->m_iops[i] = le32_to_cpu(je->m_iops[i]);
1270 je->t_iops[i] = le32_to_cpu(je->t_iops[i]);
1271 je->rate[i] = le64_to_cpu(je->rate[i]);
1272 je->iops[i] = le32_to_cpu(je->iops[i]);
1275 je->elapsed_sec = le64_to_cpu(je->elapsed_sec);
1276 je->eta_sec = le64_to_cpu(je->eta_sec);
1277 je->nr_threads = le32_to_cpu(je->nr_threads);
1278 je->is_pow2 = le32_to_cpu(je->is_pow2);
1279 je->unit_base = le32_to_cpu(je->unit_base);
1280 je->sig_figs = le32_to_cpu(je->sig_figs);
1283 void fio_client_sum_jobs_eta(struct jobs_eta *dst, struct jobs_eta *je)
1287 dst->nr_running += je->nr_running;
1288 dst->nr_ramp += je->nr_ramp;
1289 dst->nr_pending += je->nr_pending;
1290 dst->nr_setting_up += je->nr_setting_up;
1291 dst->files_open += je->files_open;
1293 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1294 dst->m_rate[i] += je->m_rate[i];
1295 dst->t_rate[i] += je->t_rate[i];
1296 dst->m_iops[i] += je->m_iops[i];
1297 dst->t_iops[i] += je->t_iops[i];
1298 dst->rate[i] += je->rate[i];
1299 dst->iops[i] += je->iops[i];
1302 dst->elapsed_sec += je->elapsed_sec;
1304 if (je->eta_sec > dst->eta_sec)
1305 dst->eta_sec = je->eta_sec;
1307 dst->nr_threads += je->nr_threads;
1310 * This wont be correct for multiple strings, but at least it
1311 * works for the basic cases.
1313 strcpy((char *) dst->run_str, (char *) je->run_str);
1316 static bool remove_reply_cmd(struct fio_client *client, struct fio_net_cmd *cmd)
1318 struct fio_net_cmd_reply *reply = NULL;
1319 struct flist_head *entry;
1321 flist_for_each(entry, &client->cmd_list) {
1322 reply = flist_entry(entry, struct fio_net_cmd_reply, list);
1324 if (cmd->tag == (uintptr_t) reply)
1331 log_err("fio: client: unable to find matching tag (%llx)\n", (unsigned long long) cmd->tag);
1335 flist_del(&reply->list);
1336 cmd->tag = reply->saved_tag;
1341 int fio_client_wait_for_reply(struct fio_client *client, uint64_t tag)
1344 struct fio_net_cmd_reply *reply = NULL;
1345 struct flist_head *entry;
1347 flist_for_each(entry, &client->cmd_list) {
1348 reply = flist_entry(entry, struct fio_net_cmd_reply, list);
1350 if (tag == (uintptr_t) reply)
1365 static void handle_eta(struct fio_client *client, struct fio_net_cmd *cmd)
1367 struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
1368 struct client_eta *eta = (struct client_eta *) (uintptr_t) cmd->tag;
1370 dprint(FD_NET, "client: got eta tag %p, %d\n", eta, eta->pending);
1372 assert(client->eta_in_flight == eta);
1374 client->eta_in_flight = NULL;
1375 flist_del_init(&client->eta_list);
1376 client->eta_timeouts = 0;
1378 if (client->ops->jobs_eta)
1379 client->ops->jobs_eta(client, je);
1381 fio_client_sum_jobs_eta(&eta->eta, je);
1382 fio_client_dec_jobs_eta(eta, client->ops->eta);
1385 static void client_flush_hist_samples(FILE *f, int hist_coarseness, void *samples,
1386 uint64_t sample_size)
1388 struct io_sample *s;
1390 uint64_t i, j, nr_samples;
1391 struct io_u_plat_entry *entry;
1392 uint64_t *io_u_plat;
1394 int stride = 1 << hist_coarseness;
1399 s = __get_sample(samples, 0, 0);
1400 log_offset = (s->__ddir & LOG_OFFSET_SAMPLE_BIT) != 0;
1402 nr_samples = sample_size / __log_entry_sz(log_offset);
1404 for (i = 0; i < nr_samples; i++) {
1406 s = (struct io_sample *)((char *)__get_sample(samples, log_offset, i) +
1407 i * sizeof(struct io_u_plat_entry));
1409 entry = s->data.plat_entry;
1410 io_u_plat = entry->io_u_plat;
1412 fprintf(f, "%lu, %u, %llu, ", (unsigned long) s->time,
1413 io_sample_ddir(s), (unsigned long long) s->bs);
1414 for (j = 0; j < FIO_IO_U_PLAT_NR - stride; j += stride) {
1415 fprintf(f, "%llu, ", (unsigned long long)hist_sum(j, stride, io_u_plat, NULL));
1417 fprintf(f, "%llu\n", (unsigned long long)
1418 hist_sum(FIO_IO_U_PLAT_NR - stride, stride, io_u_plat, NULL));
1423 static int fio_client_handle_iolog(struct fio_client *client,
1424 struct fio_net_cmd *cmd)
1426 struct cmd_iolog_pdu *pdu = NULL;
1428 char *log_pathname = NULL;
1431 pdu = convert_iolog(cmd, &store_direct);
1433 log_err("fio: failed converting IO log\n");
1438 /* allocate buffer big enough for next sprintf() call */
1439 log_pathname = malloc(10 + strlen((char *)pdu->name) +
1440 strlen(client->hostname));
1441 if (!log_pathname) {
1442 log_err("fio: memory allocation of unique pathname failed\n");
1446 /* generate a unique pathname for the log file using hostname */
1447 sprintf(log_pathname, "%s.%s", pdu->name, client->hostname);
1454 fd = open((const char *) log_pathname,
1455 O_WRONLY | O_CREAT | O_TRUNC, 0644);
1457 log_err("fio: open log %s: %s\n",
1458 log_pathname, strerror(errno));
1463 sz = cmd->pdu_len - sizeof(*pdu);
1464 wrote = write(fd, pdu->samples, sz);
1468 log_err("fio: short write on compressed log\n");
1476 f = fopen((const char *) log_pathname, "w");
1478 log_err("fio: fopen log %s : %s\n",
1479 log_pathname, strerror(errno));
1484 if (pdu->log_type == IO_LOG_TYPE_HIST) {
1485 client_flush_hist_samples(f, pdu->log_hist_coarseness, pdu->samples,
1486 pdu->nr_samples * sizeof(struct io_sample));
1488 flush_samples(f, pdu->samples,
1489 pdu->nr_samples * sizeof(struct io_sample));
1496 if (pdu && pdu != (void *) cmd->payload)
1505 static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd)
1507 struct cmd_probe_reply_pdu *probe = (struct cmd_probe_reply_pdu *) cmd->payload;
1508 const char *os, *arch;
1511 os = fio_get_os_string(probe->os);
1515 arch = fio_get_arch_string(probe->arch);
1519 sprintf(bit, "%d-bit", probe->bpp * 8);
1520 probe->flags = le64_to_cpu(probe->flags);
1522 if (output_format & FIO_OUTPUT_NORMAL) {
1523 log_info("hostname=%s, be=%u, %s, os=%s, arch=%s, fio=%s, flags=%lx\n",
1524 probe->hostname, probe->bigendian, bit, os, arch,
1525 probe->fio_version, (unsigned long) probe->flags);
1529 client->name = strdup((char *) probe->hostname);
1532 static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd)
1534 struct cmd_start_pdu *pdu = (struct cmd_start_pdu *) cmd->payload;
1536 client->state = Client_started;
1537 client->jobs = le32_to_cpu(pdu->jobs);
1538 client->nr_stat = le32_to_cpu(pdu->stat_outputs);
1543 if (client->opt_lists)
1544 free(client->opt_lists);
1546 client->opt_lists = malloc(client->jobs * sizeof(struct flist_head));
1547 for (i = 0; i < client->jobs; i++)
1548 INIT_FLIST_HEAD(&client->opt_lists[i]);
1551 sum_stat_clients += client->nr_stat;
1554 static void handle_stop(struct fio_client *client)
1557 log_info("client <%s>: exited with error %d\n", client->hostname, client->error);
1560 static void convert_stop(struct fio_net_cmd *cmd)
1562 struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload;
1564 pdu->error = le32_to_cpu(pdu->error);
1567 static void convert_text(struct fio_net_cmd *cmd)
1569 struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmd->payload;
1571 pdu->level = le32_to_cpu(pdu->level);
1572 pdu->buf_len = le32_to_cpu(pdu->buf_len);
1573 pdu->log_sec = le64_to_cpu(pdu->log_sec);
1574 pdu->log_usec = le64_to_cpu(pdu->log_usec);
1577 static struct cmd_iolog_pdu *convert_iolog_gz(struct fio_net_cmd *cmd,
1578 struct cmd_iolog_pdu *pdu)
1581 struct cmd_iolog_pdu *ret;
1583 uint64_t nr_samples;
1587 stream.zalloc = Z_NULL;
1588 stream.zfree = Z_NULL;
1589 stream.opaque = Z_NULL;
1590 stream.avail_in = 0;
1591 stream.next_in = Z_NULL;
1593 if (inflateInit(&stream) != Z_OK)
1597 * Get header first, it's not compressed
1599 nr_samples = le64_to_cpu(pdu->nr_samples);
1601 if (pdu->log_type == IO_LOG_TYPE_HIST)
1602 total = nr_samples * (__log_entry_sz(le32_to_cpu(pdu->log_offset)) +
1603 sizeof(struct io_u_plat_entry));
1605 total = nr_samples * __log_entry_sz(le32_to_cpu(pdu->log_offset));
1606 ret = malloc(total + sizeof(*pdu));
1607 ret->nr_samples = nr_samples;
1609 memcpy(ret, pdu, sizeof(*pdu));
1611 p = (char *) ret + sizeof(*pdu);
1613 stream.avail_in = cmd->pdu_len - sizeof(*pdu);
1614 stream.next_in = (void *)((char *) pdu + sizeof(*pdu));
1615 while (stream.avail_in) {
1616 unsigned int this_chunk = 65536;
1617 unsigned int this_len;
1620 if (this_chunk > total)
1623 stream.avail_out = this_chunk;
1624 stream.next_out = (void *)p;
1625 err = inflate(&stream, Z_NO_FLUSH);
1626 /* may be Z_OK, or Z_STREAM_END */
1629 * Z_STREAM_ERROR and Z_BUF_ERROR can safely be
1631 if (err == Z_STREAM_ERROR || err == Z_BUF_ERROR)
1633 log_err("fio: inflate error %d\n", err);
1639 this_len = this_chunk - stream.avail_out;
1645 inflateEnd(&stream);
1653 * This has been compressed on the server side, since it can be big.
1656 static struct cmd_iolog_pdu *convert_iolog(struct fio_net_cmd *cmd,
1659 struct cmd_iolog_pdu *pdu = (struct cmd_iolog_pdu *) cmd->payload;
1660 struct cmd_iolog_pdu *ret;
1665 *store_direct = false;
1668 * Convert if compressed and we support it. If it's not
1669 * compressed, we need not do anything.
1671 compressed = le32_to_cpu(pdu->compressed);
1672 if (compressed == XMIT_COMPRESSED) {
1674 log_err("fio: server sent compressed data by mistake\n");
1677 ret = convert_iolog_gz(cmd, pdu);
1679 log_err("fio: failed decompressing log\n");
1682 } else if (compressed == STORE_COMPRESSED) {
1683 *store_direct = true;
1688 ret->nr_samples = le64_to_cpu(ret->nr_samples);
1689 ret->thread_number = le32_to_cpu(ret->thread_number);
1690 ret->log_type = le32_to_cpu(ret->log_type);
1691 ret->compressed = le32_to_cpu(ret->compressed);
1692 ret->log_offset = le32_to_cpu(ret->log_offset);
1693 ret->log_hist_coarseness = le32_to_cpu(ret->log_hist_coarseness);
1698 samples = &ret->samples[0];
1699 for (i = 0; i < ret->nr_samples; i++) {
1700 struct io_sample *s;
1702 s = __get_sample(samples, ret->log_offset, i);
1703 if (ret->log_type == IO_LOG_TYPE_HIST)
1704 s = (struct io_sample *)((char *)s + sizeof(struct io_u_plat_entry) * i);
1706 s->time = le64_to_cpu(s->time);
1707 s->data.val = le64_to_cpu(s->data.val);
1708 s->__ddir = __le32_to_cpu(s->__ddir);
1709 s->bs = le64_to_cpu(s->bs);
1711 if (ret->log_offset) {
1712 struct io_sample_offset *so = (void *) s;
1714 so->offset = le64_to_cpu(so->offset);
1717 if (ret->log_type == IO_LOG_TYPE_HIST) {
1718 s->data.plat_entry = (struct io_u_plat_entry *)(((char *)s) + sizeof(*s));
1719 s->data.plat_entry->list.next = NULL;
1720 s->data.plat_entry->list.prev = NULL;
1727 static void sendfile_reply(int fd, struct cmd_sendfile_reply *rep,
1728 size_t size, uint64_t tag)
1730 rep->error = cpu_to_le32(rep->error);
1731 fio_net_send_cmd(fd, FIO_NET_CMD_SENDFILE, rep, size, &tag, NULL);
1734 static int fio_send_file(struct fio_client *client, struct cmd_sendfile *pdu,
1737 struct cmd_sendfile_reply *rep;
1742 size = sizeof(*rep);
1745 if (stat((char *)pdu->path, &sb) < 0) {
1748 sendfile_reply(client->fd, rep, size, tag);
1754 rep = realloc(rep, size);
1755 rep->size = cpu_to_le32((uint32_t) sb.st_size);
1757 fd = open((char *)pdu->path, O_RDONLY);
1761 rep->error = read_data(fd, &rep->data, sb.st_size);
1762 sendfile_reply(client->fd, rep, size, tag);
1768 int fio_handle_client(struct fio_client *client)
1770 struct client_ops *ops = client->ops;
1771 struct fio_net_cmd *cmd;
1774 dprint(FD_NET, "client: handle %s\n", client->hostname);
1776 cmd = fio_net_recv_cmd(client->fd, true);
1780 dprint(FD_NET, "client: got cmd op %s from %s (pdu=%u)\n",
1781 fio_server_op(cmd->opcode), client->hostname, cmd->pdu_len);
1783 client->last_cmd = cmd->opcode;
1785 switch (cmd->opcode) {
1786 case FIO_NET_CMD_QUIT:
1788 ops->quit(client, cmd);
1789 remove_client(client);
1791 case FIO_NET_CMD_TEXT:
1793 ops->text(client, cmd);
1795 case FIO_NET_CMD_DU: {
1796 struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload;
1798 convert_dus(&du->dus);
1799 convert_agg(&du->agg);
1801 ops->disk_util(client, cmd);
1804 case FIO_NET_CMD_TS: {
1805 struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
1807 dprint(FD_NET, "client: ts->ss_state = %u\n", (unsigned int) le32_to_cpu(p->ts.ss_state));
1808 if (le32_to_cpu(p->ts.ss_state) & FIO_SS_DATA) {
1809 dprint(FD_NET, "client: received steadystate ring buffers\n");
1811 size = le64_to_cpu(p->ts.ss_dur);
1812 p->ts.ss_iops_data = (uint64_t *) ((struct cmd_ts_pdu *)cmd->payload + 1);
1813 p->ts.ss_bw_data = p->ts.ss_iops_data + size;
1816 convert_ts(&p->ts, &p->ts);
1817 convert_gs(&p->rs, &p->rs);
1819 ops->thread_status(client, cmd);
1822 case FIO_NET_CMD_GS: {
1823 struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
1827 ops->group_stats(client, cmd);
1830 case FIO_NET_CMD_ETA: {
1831 struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
1833 if (!remove_reply_cmd(client, cmd))
1835 convert_jobs_eta(je);
1836 handle_eta(client, cmd);
1839 case FIO_NET_CMD_PROBE:
1840 remove_reply_cmd(client, cmd);
1841 ops->probe(client, cmd);
1843 case FIO_NET_CMD_SERVER_START:
1844 client->state = Client_running;
1846 ops->job_start(client, cmd);
1848 case FIO_NET_CMD_START: {
1849 struct cmd_start_pdu *pdu = (struct cmd_start_pdu *) cmd->payload;
1851 pdu->jobs = le32_to_cpu(pdu->jobs);
1852 ops->start(client, cmd);
1855 case FIO_NET_CMD_STOP: {
1856 struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload;
1859 client->state = Client_stopped;
1860 client->error = le32_to_cpu(pdu->error);
1861 client->signal = le32_to_cpu(pdu->signal);
1865 case FIO_NET_CMD_ADD_JOB: {
1866 struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload;
1868 client->thread_number = le32_to_cpu(pdu->thread_number);
1869 client->groupid = le32_to_cpu(pdu->groupid);
1872 ops->add_job(client, cmd);
1875 case FIO_NET_CMD_IOLOG:
1876 fio_client_handle_iolog(client, cmd);
1878 case FIO_NET_CMD_UPDATE_JOB:
1879 ops->update_job(client, cmd);
1880 remove_reply_cmd(client, cmd);
1882 case FIO_NET_CMD_VTRIGGER: {
1883 struct all_io_list *pdu = (struct all_io_list *) cmd->payload;
1888 strcpy(buf, aux_path);
1892 __verify_save_state(pdu, server_name(client, &buf[off], sizeof(buf) - off));
1893 exec_trigger(trigger_cmd);
1896 case FIO_NET_CMD_SENDFILE: {
1897 struct cmd_sendfile *pdu = (struct cmd_sendfile *) cmd->payload;
1898 fio_send_file(client, pdu, cmd->tag);
1901 case FIO_NET_CMD_JOB_OPT: {
1902 handle_job_opt(client, cmd);
1906 log_err("fio: unknown client op: %s\n", fio_server_op(cmd->opcode));
1914 int fio_clients_send_trigger(const char *cmd)
1916 struct flist_head *entry;
1917 struct fio_client *client;
1920 dprint(FD_NET, "client: send vtrigger: %s\n", cmd);
1927 flist_for_each(entry, &client_list) {
1928 struct cmd_vtrigger_pdu *pdu;
1930 client = flist_entry(entry, struct fio_client, list);
1932 pdu = malloc(sizeof(*pdu) + slen);
1933 pdu->len = cpu_to_le16((uint16_t) slen);
1935 memcpy(pdu->cmd, cmd, slen);
1936 fio_net_send_cmd(client->fd, FIO_NET_CMD_VTRIGGER, pdu,
1937 sizeof(*pdu) + slen, NULL, NULL);
1944 static void request_client_etas(struct client_ops *ops)
1946 struct fio_client *client;
1947 struct flist_head *entry;
1948 struct client_eta *eta;
1951 if (eta_print == FIO_ETA_NEVER)
1954 dprint(FD_NET, "client: request eta (%d)\n", nr_clients);
1956 eta = calloc(1, sizeof(*eta) + __THREAD_RUNSTR_SZ(REAL_MAX_JOBS));
1957 eta->pending = nr_clients;
1959 flist_for_each(entry, &client_list) {
1960 client = flist_entry(entry, struct fio_client, list);
1962 if (!flist_empty(&client->eta_list)) {
1966 if (client->state != Client_running)
1969 assert(!client->eta_in_flight);
1970 flist_add_tail(&client->eta_list, &eta_list);
1971 client->eta_in_flight = eta;
1972 fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_SEND_ETA,
1973 (uintptr_t) eta, &client->cmd_list);
1977 if (!fio_client_dec_jobs_eta(eta, ops->eta))
1981 dprint(FD_NET, "client: requested eta tag %p\n", eta);
1985 * A single SEND_ETA timeout isn't fatal. Attempt to recover.
1987 static int handle_cmd_timeout(struct fio_client *client,
1988 struct fio_net_cmd_reply *reply)
1990 uint16_t reply_opcode = reply->opcode;
1992 flist_del(&reply->list);
1995 if (reply_opcode != FIO_NET_CMD_SEND_ETA)
1998 log_info("client <%s>: timeout on SEND_ETA\n", client->hostname);
2000 flist_del_init(&client->eta_list);
2001 if (client->eta_in_flight) {
2002 fio_client_dec_jobs_eta(client->eta_in_flight, client->ops->eta);
2003 client->eta_in_flight = NULL;
2007 * If we fail 5 in a row, give up...
2009 if (client->eta_timeouts++ > 5)
2015 static int client_check_cmd_timeout(struct fio_client *client,
2016 struct timespec *now)
2018 struct fio_net_cmd_reply *reply;
2019 struct flist_head *entry, *tmp;
2022 flist_for_each_safe(entry, tmp, &client->cmd_list) {
2025 reply = flist_entry(entry, struct fio_net_cmd_reply, list);
2027 if (mtime_since(&reply->ts, now) < FIO_NET_CLIENT_TIMEOUT)
2031 if (!handle_cmd_timeout(client, reply))
2034 log_err("fio: client %s, timeout on cmd %s\n", client->hostname,
2039 return flist_empty(&client->cmd_list) && ret;
2042 static int fio_check_clients_timed_out(void)
2044 struct fio_client *client;
2045 struct flist_head *entry, *tmp;
2049 fio_gettime(&ts, NULL);
2051 flist_for_each_safe(entry, tmp, &client_list) {
2052 client = flist_entry(entry, struct fio_client, list);
2054 if (flist_empty(&client->cmd_list))
2057 if (!client_check_cmd_timeout(client, &ts))
2060 if (client->ops->timed_out)
2061 client->ops->timed_out(client);
2063 log_err("fio: client %s timed out\n", client->hostname);
2065 if (client->last_cmd != FIO_NET_CMD_VTRIGGER)
2066 client->error = ETIMEDOUT;
2068 log_info("fio: ignoring timeout due to vtrigger\n");
2069 remove_client(client);
2076 int fio_handle_clients(struct client_ops *ops)
2078 struct pollfd *pfds;
2079 int i, ret = 0, retval = 0;
2081 fio_gettime(&eta_ts, NULL);
2083 pfds = malloc(nr_clients * sizeof(struct pollfd));
2085 init_thread_stat(&client_ts);
2086 init_group_run_stat(&client_gs);
2088 while (!exit_backend && nr_clients) {
2089 struct flist_head *entry, *tmp;
2090 struct fio_client *client;
2093 flist_for_each_safe(entry, tmp, &client_list) {
2094 client = flist_entry(entry, struct fio_client, list);
2096 if (!client->sent_job && !client->ops->stay_connected &&
2097 flist_empty(&client->cmd_list)) {
2098 remove_client(client);
2102 pfds[i].fd = client->fd;
2103 pfds[i].events = POLLIN;
2110 assert(i == nr_clients);
2116 fio_gettime(&ts, NULL);
2117 if (eta_time_within_slack(mtime_since(&eta_ts, &ts))) {
2118 request_client_etas(ops);
2119 memcpy(&eta_ts, &ts, sizeof(ts));
2121 if (fio_check_clients_timed_out())
2125 check_trigger_file();
2127 timeout = min(100u, ops->eta_msec);
2129 ret = poll(pfds, nr_clients, timeout);
2133 log_err("fio: poll clients: %s\n", strerror(errno));
2139 for (i = 0; i < nr_clients; i++) {
2140 if (!(pfds[i].revents & POLLIN))
2143 client = find_client_by_fd(pfds[i].fd);
2145 log_err("fio: unknown client fd %ld\n", (long) pfds[i].fd);
2148 if (!fio_handle_client(client)) {
2149 log_info("client: host=%s disconnected\n",
2151 remove_client(client);
2153 } else if (client->error)
2155 fio_put_client(client);
2159 log_info_buf(allclients.buf, allclients.buflen);
2160 buf_output_free(&allclients);
2162 fio_client_json_fini();
2165 return retval || error_clients;
2168 static void client_display_thread_status(struct jobs_eta *je)
2170 if (!(output_format & FIO_OUTPUT_JSON))
2171 display_thread_status(je);