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,
480 client->type = ops->client_type;
482 __fio_client_add_cmd_option(client, "fio");
484 flist_add(&client->list, &client_list);
486 dprint(FD_NET, "client: added <%s>\n", client->hostname);
491 static const char *server_name(struct fio_client *client, char *buf,
497 from = inet_ntop(AF_INET6, (struct sockaddr *) &client->addr6.sin6_addr, buf, bufsize);
498 else if (client->is_sock)
501 from = inet_ntop(AF_INET, (struct sockaddr *) &client->addr.sin_addr, buf, bufsize);
506 static void probe_client(struct fio_client *client)
508 struct cmd_client_probe_pdu pdu;
513 dprint(FD_NET, "client: send probe\n");
516 pdu.flags = __le64_to_cpu(FIO_PROBE_FLAG_ZLIB);
521 sname = server_name(client, buf, sizeof(buf));
522 memset(pdu.server, 0, sizeof(pdu.server));
523 snprintf((char *) pdu.server, sizeof(pdu.server), "%s", sname);
525 fio_net_send_cmd(client->fd, FIO_NET_CMD_PROBE, &pdu, sizeof(pdu), &tag, &client->cmd_list);
528 static int fio_client_connect_ip(struct fio_client *client)
530 struct sockaddr *addr;
535 client->addr6.sin6_family = AF_INET6;
536 client->addr6.sin6_port = htons(client->port);
538 addr = (struct sockaddr *) &client->addr6;
539 socklen = sizeof(client->addr6);
541 client->addr.sin_family = AF_INET;
542 client->addr.sin_port = htons(client->port);
544 addr = (struct sockaddr *) &client->addr;
545 socklen = sizeof(client->addr);
548 fd = socket(domain, SOCK_STREAM, 0);
552 log_err("fio: socket: %s\n", strerror(errno));
556 if (connect(fd, addr, socklen) < 0) {
559 log_err("fio: connect: %s\n", strerror(errno));
560 log_err("fio: failed to connect to %s:%u\n", client->hostname,
569 static int fio_client_connect_sock(struct fio_client *client)
571 struct sockaddr_un *addr = &client->addr_un;
575 memset(addr, 0, sizeof(*addr));
576 addr->sun_family = AF_UNIX;
577 snprintf(addr->sun_path, sizeof(addr->sun_path), "%s",
580 fd = socket(AF_UNIX, SOCK_STREAM, 0);
584 log_err("fio: socket: %s\n", strerror(errno));
588 len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1;
589 if (connect(fd, (struct sockaddr *) addr, len) < 0) {
592 log_err("fio: connect; %s\n", strerror(errno));
600 int fio_client_connect(struct fio_client *client)
604 dprint(FD_NET, "client: connect to host %s\n", client->hostname);
607 fd = fio_client_connect_sock(client);
609 fd = fio_client_connect_ip(client);
611 dprint(FD_NET, "client: %s connected %d\n", client->hostname, fd);
617 fio_client_add_hash(client);
618 client->state = Client_connected;
620 probe_client(client);
624 int fio_client_terminate(struct fio_client *client)
626 return fio_net_send_quit(client->fd);
629 static void fio_clients_terminate(void)
631 struct flist_head *entry;
632 struct fio_client *client;
634 dprint(FD_NET, "client: terminate clients\n");
636 flist_for_each(entry, &client_list) {
637 client = flist_entry(entry, struct fio_client, list);
638 fio_client_terminate(client);
642 static void sig_int(int sig)
644 dprint(FD_NET, "client: got signal %d\n", sig);
645 fio_clients_terminate();
648 static void client_signal_handler(void)
650 struct sigaction act;
652 memset(&act, 0, sizeof(act));
653 act.sa_handler = sig_int;
654 act.sa_flags = SA_RESTART;
655 sigaction(SIGINT, &act, NULL);
657 memset(&act, 0, sizeof(act));
658 act.sa_handler = sig_int;
659 act.sa_flags = SA_RESTART;
660 sigaction(SIGTERM, &act, NULL);
662 /* Windows uses SIGBREAK as a quit signal from other applications */
664 memset(&act, 0, sizeof(act));
665 act.sa_handler = sig_int;
666 act.sa_flags = SA_RESTART;
667 sigaction(SIGBREAK, &act, NULL);
670 memset(&act, 0, sizeof(act));
671 act.sa_handler = sig_show_status;
672 act.sa_flags = SA_RESTART;
673 sigaction(SIGUSR1, &act, NULL);
676 static int send_client_cmd_line(struct fio_client *client)
678 struct cmd_single_line_pdu *cslp;
679 struct cmd_line_pdu *clp;
680 unsigned long offset;
686 dprint(FD_NET, "client: send cmdline %d\n", client->argc);
688 lens = malloc(client->argc * sizeof(unsigned int));
691 * Find out how much mem we need
693 for (i = 0, mem = 0; i < client->argc; i++) {
694 lens[i] = strlen(client->argv[i]) + 1;
699 * We need one cmd_line_pdu, and argc number of cmd_single_line_pdu
701 mem += sizeof(*clp) + (client->argc * sizeof(*cslp));
705 offset = sizeof(*clp);
707 for (i = 0; i < client->argc; i++) {
708 uint16_t arg_len = lens[i];
711 strcpy((char *) cslp->text, client->argv[i]);
712 cslp->len = cpu_to_le16(arg_len);
713 offset += sizeof(*cslp) + arg_len;
717 clp->lines = cpu_to_le16(client->argc);
718 clp->client_type = __cpu_to_le16(client->type);
719 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, mem, NULL, NULL);
724 int fio_clients_connect(void)
726 struct fio_client *client;
727 struct flist_head *entry, *tmp;
732 WSAStartup(MAKEWORD(2, 2), &wsd);
735 dprint(FD_NET, "client: connect all\n");
737 client_signal_handler();
739 flist_for_each_safe(entry, tmp, &client_list) {
740 client = flist_entry(entry, struct fio_client, list);
742 ret = fio_client_connect(client);
744 remove_client(client);
748 if (client->argc > 1)
749 send_client_cmd_line(client);
755 int fio_start_client(struct fio_client *client)
757 dprint(FD_NET, "client: start %s\n", client->hostname);
758 return fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_RUN, 0, NULL);
761 int fio_start_all_clients(void)
763 struct fio_client *client;
764 struct flist_head *entry, *tmp;
767 dprint(FD_NET, "client: start all\n");
769 fio_client_json_init();
771 flist_for_each_safe(entry, tmp, &client_list) {
772 client = flist_entry(entry, struct fio_client, list);
774 ret = fio_start_client(client);
776 remove_client(client);
781 return flist_empty(&client_list);
784 static int __fio_client_send_remote_ini(struct fio_client *client,
785 const char *filename)
787 struct cmd_load_file_pdu *pdu;
791 dprint(FD_NET, "send remote ini %s to %s\n", filename, client->hostname);
793 p_size = sizeof(*pdu) + strlen(filename) + 1;
794 pdu = malloc(p_size);
795 memset(pdu, 0, p_size);
796 pdu->name_len = strlen(filename);
797 strcpy((char *) pdu->file, filename);
798 pdu->client_type = cpu_to_le16((uint16_t) client->type);
800 client->sent_job = true;
801 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_LOAD_FILE, pdu, p_size,NULL, NULL);
807 * Send file contents to server backend. We could use sendfile(), but to remain
808 * more portable lets just read/write the darn thing.
810 static int __fio_client_send_local_ini(struct fio_client *client,
811 const char *filename)
813 struct cmd_job_pdu *pdu;
821 dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname);
823 fd = open(filename, O_RDONLY);
826 log_err("fio: job file <%s> open: %s\n", filename, strerror(errno));
830 if (fstat(fd, &sb) < 0) {
832 log_err("fio: job file stat: %s\n", strerror(errno));
838 * Add extra space for variable expansion, but doesn't guarantee.
840 sb.st_size += OPT_LEN_MAX;
841 p_size = sb.st_size + sizeof(*pdu);
842 pdu = malloc(p_size);
847 if (read_ini_data(fd, p, len)) {
848 log_err("fio: failed reading job file %s\n", filename);
854 pdu->buf_len = __cpu_to_le32(sb.st_size);
855 pdu->client_type = cpu_to_le32(client->type);
857 client->sent_job = true;
858 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, pdu, p_size, NULL, NULL);
864 int fio_client_send_ini(struct fio_client *client, const char *filename,
870 ret = __fio_client_send_local_ini(client, filename);
872 ret = __fio_client_send_remote_ini(client, filename);
875 client->sent_job = true;
880 static int fio_client_send_cf(struct fio_client *client,
881 struct client_file *cf)
883 return fio_client_send_ini(client, cf->file, cf->remote);
886 int fio_clients_send_ini(const char *filename)
888 struct fio_client *client;
889 struct flist_head *entry, *tmp;
891 flist_for_each_safe(entry, tmp, &client_list) {
894 client = flist_entry(entry, struct fio_client, list);
896 if (client->nr_files) {
899 for (i = 0; i < client->nr_files; i++) {
900 struct client_file *cf;
902 cf = &client->files[i];
904 if (fio_client_send_cf(client, cf)) {
906 remove_client(client);
911 if (client->sent_job || failed)
913 if (!filename || fio_client_send_ini(client, filename, 0))
914 remove_client(client);
920 int fio_client_update_options(struct fio_client *client,
921 struct thread_options *o, uint64_t *tag)
923 struct cmd_add_job_pdu pdu;
925 pdu.thread_number = cpu_to_le32(client->thread_number);
926 pdu.groupid = cpu_to_le32(client->groupid);
927 convert_thread_options_to_net(&pdu.top, o);
929 return fio_net_send_cmd(client->fd, FIO_NET_CMD_UPDATE_JOB, &pdu, sizeof(pdu), tag, &client->cmd_list);
932 static void convert_io_stat(struct io_stat *dst, struct io_stat *src)
934 dst->max_val = le64_to_cpu(src->max_val);
935 dst->min_val = le64_to_cpu(src->min_val);
936 dst->samples = le64_to_cpu(src->samples);
939 * Floats arrive as IEEE 754 encoded uint64_t, convert back to double
941 dst->mean.u.f = fio_uint64_to_double(le64_to_cpu(dst->mean.u.i));
942 dst->S.u.f = fio_uint64_to_double(le64_to_cpu(dst->S.u.i));
945 static void convert_ts(struct thread_stat *dst, struct thread_stat *src)
949 dst->error = le32_to_cpu(src->error);
950 dst->thread_number = le32_to_cpu(src->thread_number);
951 dst->groupid = le32_to_cpu(src->groupid);
952 dst->pid = le32_to_cpu(src->pid);
953 dst->members = le32_to_cpu(src->members);
954 dst->unified_rw_rep = le32_to_cpu(src->unified_rw_rep);
956 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
957 convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]);
958 convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]);
959 convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]);
960 convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]);
961 convert_io_stat(&dst->iops_stat[i], &src->iops_stat[i]);
963 convert_io_stat(&dst->sync_stat, &src->sync_stat);
965 dst->usr_time = le64_to_cpu(src->usr_time);
966 dst->sys_time = le64_to_cpu(src->sys_time);
967 dst->ctx = le64_to_cpu(src->ctx);
968 dst->minf = le64_to_cpu(src->minf);
969 dst->majf = le64_to_cpu(src->majf);
970 dst->clat_percentiles = le32_to_cpu(src->clat_percentiles);
971 dst->lat_percentiles = le32_to_cpu(src->lat_percentiles);
972 dst->percentile_precision = le64_to_cpu(src->percentile_precision);
974 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
975 fio_fp64_t *fps = &src->percentile_list[i];
976 fio_fp64_t *fpd = &dst->percentile_list[i];
978 fpd->u.f = fio_uint64_to_double(le64_to_cpu(fps->u.i));
981 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
982 dst->io_u_map[i] = le64_to_cpu(src->io_u_map[i]);
983 dst->io_u_submit[i] = le64_to_cpu(src->io_u_submit[i]);
984 dst->io_u_complete[i] = le64_to_cpu(src->io_u_complete[i]);
987 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
988 dst->io_u_lat_n[i] = le64_to_cpu(src->io_u_lat_n[i]);
989 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
990 dst->io_u_lat_u[i] = le64_to_cpu(src->io_u_lat_u[i]);
991 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
992 dst->io_u_lat_m[i] = le64_to_cpu(src->io_u_lat_m[i]);
994 for (i = 0; i < DDIR_RWDIR_CNT; i++)
995 for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
996 dst->io_u_plat[i][j] = le64_to_cpu(src->io_u_plat[i][j]);
998 for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
999 dst->io_u_sync_plat[j] = le64_to_cpu(src->io_u_sync_plat[j]);
1001 for (i = 0; i < DDIR_RWDIR_SYNC_CNT; i++)
1002 dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]);
1004 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1005 dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]);
1006 dst->drop_io_u[i] = le64_to_cpu(src->drop_io_u[i]);
1009 dst->total_submit = le64_to_cpu(src->total_submit);
1010 dst->total_complete = le64_to_cpu(src->total_complete);
1011 dst->nr_zone_resets = le64_to_cpu(src->nr_zone_resets);
1013 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1014 dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]);
1015 dst->runtime[i] = le64_to_cpu(src->runtime[i]);
1018 dst->total_run_time = le64_to_cpu(src->total_run_time);
1019 dst->continue_on_error = le16_to_cpu(src->continue_on_error);
1020 dst->total_err_count = le64_to_cpu(src->total_err_count);
1021 dst->first_error = le32_to_cpu(src->first_error);
1022 dst->kb_base = le32_to_cpu(src->kb_base);
1023 dst->unit_base = le32_to_cpu(src->unit_base);
1025 dst->sig_figs = le32_to_cpu(src->sig_figs);
1027 dst->latency_depth = le32_to_cpu(src->latency_depth);
1028 dst->latency_target = le64_to_cpu(src->latency_target);
1029 dst->latency_window = le64_to_cpu(src->latency_window);
1030 dst->latency_percentile.u.f = fio_uint64_to_double(le64_to_cpu(src->latency_percentile.u.i));
1032 dst->nr_block_infos = le64_to_cpu(src->nr_block_infos);
1033 for (i = 0; i < dst->nr_block_infos; i++)
1034 dst->block_infos[i] = le32_to_cpu(src->block_infos[i]);
1036 dst->ss_dur = le64_to_cpu(src->ss_dur);
1037 dst->ss_state = le32_to_cpu(src->ss_state);
1038 dst->ss_head = le32_to_cpu(src->ss_head);
1039 dst->ss_limit.u.f = fio_uint64_to_double(le64_to_cpu(src->ss_limit.u.i));
1040 dst->ss_slope.u.f = fio_uint64_to_double(le64_to_cpu(src->ss_slope.u.i));
1041 dst->ss_deviation.u.f = fio_uint64_to_double(le64_to_cpu(src->ss_deviation.u.i));
1042 dst->ss_criterion.u.f = fio_uint64_to_double(le64_to_cpu(src->ss_criterion.u.i));
1044 if (dst->ss_state & FIO_SS_DATA) {
1045 for (i = 0; i < dst->ss_dur; i++ ) {
1046 dst->ss_iops_data[i] = le64_to_cpu(src->ss_iops_data[i]);
1047 dst->ss_bw_data[i] = le64_to_cpu(src->ss_bw_data[i]);
1051 dst->cachehit = le64_to_cpu(src->cachehit);
1052 dst->cachemiss = le64_to_cpu(src->cachemiss);
1055 static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src)
1059 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1060 dst->max_run[i] = le64_to_cpu(src->max_run[i]);
1061 dst->min_run[i] = le64_to_cpu(src->min_run[i]);
1062 dst->max_bw[i] = le64_to_cpu(src->max_bw[i]);
1063 dst->min_bw[i] = le64_to_cpu(src->min_bw[i]);
1064 dst->iobytes[i] = le64_to_cpu(src->iobytes[i]);
1065 dst->agg[i] = le64_to_cpu(src->agg[i]);
1068 dst->kb_base = le32_to_cpu(src->kb_base);
1069 dst->unit_base = le32_to_cpu(src->unit_base);
1070 dst->sig_figs = le32_to_cpu(src->sig_figs);
1071 dst->groupid = le32_to_cpu(src->groupid);
1072 dst->unified_rw_rep = le32_to_cpu(src->unified_rw_rep);
1075 static void json_object_add_client_info(struct json_object *obj,
1076 struct fio_client *client)
1078 const char *hostname = client->hostname ? client->hostname : "";
1080 json_object_add_value_string(obj, "hostname", hostname);
1081 json_object_add_value_int(obj, "port", client->port);
1084 static void handle_ts(struct fio_client *client, struct fio_net_cmd *cmd)
1086 struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
1087 struct flist_head *opt_list = NULL;
1088 struct json_object *tsobj;
1090 if (client->opt_lists && p->ts.thread_number <= client->jobs)
1091 opt_list = &client->opt_lists[p->ts.thread_number - 1];
1093 tsobj = show_thread_status(&p->ts, &p->rs, opt_list, &client->buf);
1094 client->did_stat = true;
1096 json_object_add_client_info(tsobj, client);
1097 json_array_add_value_object(clients_array, tsobj);
1100 if (sum_stat_clients <= 1)
1103 sum_thread_stats(&client_ts, &p->ts, sum_stat_nr == 1);
1104 sum_group_stats(&client_gs, &p->rs);
1106 client_ts.members++;
1107 client_ts.thread_number = p->ts.thread_number;
1108 client_ts.groupid = p->ts.groupid;
1109 client_ts.unified_rw_rep = p->ts.unified_rw_rep;
1110 client_ts.sig_figs = p->ts.sig_figs;
1112 if (++sum_stat_nr == sum_stat_clients) {
1113 strcpy(client_ts.name, "All clients");
1114 tsobj = show_thread_status(&client_ts, &client_gs, NULL, &allclients);
1116 json_object_add_client_info(tsobj, client);
1117 json_array_add_value_object(clients_array, tsobj);
1122 static void handle_gs(struct fio_client *client, struct fio_net_cmd *cmd)
1124 struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
1126 if (output_format & FIO_OUTPUT_NORMAL)
1127 show_group_stats(gs, &client->buf);
1130 static void handle_job_opt(struct fio_client *client, struct fio_net_cmd *cmd)
1132 struct cmd_job_option *pdu = (struct cmd_job_option *) cmd->payload;
1133 struct print_option *p;
1135 if (!job_opt_object)
1138 pdu->global = le16_to_cpu(pdu->global);
1139 pdu->truncated = le16_to_cpu(pdu->truncated);
1140 pdu->groupid = le32_to_cpu(pdu->groupid);
1142 p = malloc(sizeof(*p));
1143 p->name = strdup((char *) pdu->name);
1144 if (pdu->value[0] != '\0')
1145 p->value = strdup((char *) pdu->value);
1150 const char *pos = "";
1155 json_object_add_value_string(job_opt_object, p->name, pos);
1156 } else if (client->opt_lists) {
1157 struct flist_head *opt_list = &client->opt_lists[pdu->groupid];
1159 flist_add_tail(&p->list, opt_list);
1167 static void handle_text(struct fio_client *client, struct fio_net_cmd *cmd)
1169 struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmd->payload;
1170 const char *buf = (const char *) pdu->buf;
1173 struct buf_output out;
1175 buf_output_init(&out);
1177 name = client->name ? client->name : client->hostname;
1179 if (!client->skip_newline && !(output_format & FIO_OUTPUT_TERSE))
1180 __log_buf(&out, "<%s> ", name);
1181 __log_buf(&out, "%s", buf);
1182 log_info_buf(out.buf, out.buflen);
1183 buf_output_free(&out);
1184 client->skip_newline = strchr(buf, '\n') == NULL;
1187 static void convert_agg(struct disk_util_agg *agg)
1191 for (i = 0; i < 2; i++) {
1192 agg->ios[i] = le64_to_cpu(agg->ios[i]);
1193 agg->merges[i] = le64_to_cpu(agg->merges[i]);
1194 agg->sectors[i] = le64_to_cpu(agg->sectors[i]);
1195 agg->ticks[i] = le64_to_cpu(agg->ticks[i]);
1198 agg->io_ticks = le64_to_cpu(agg->io_ticks);
1199 agg->time_in_queue = le64_to_cpu(agg->time_in_queue);
1200 agg->slavecount = le32_to_cpu(agg->slavecount);
1201 agg->max_util.u.f = fio_uint64_to_double(le64_to_cpu(agg->max_util.u.i));
1204 static void convert_dus(struct disk_util_stat *dus)
1208 for (i = 0; i < 2; i++) {
1209 dus->s.ios[i] = le64_to_cpu(dus->s.ios[i]);
1210 dus->s.merges[i] = le64_to_cpu(dus->s.merges[i]);
1211 dus->s.sectors[i] = le64_to_cpu(dus->s.sectors[i]);
1212 dus->s.ticks[i] = le64_to_cpu(dus->s.ticks[i]);
1215 dus->s.io_ticks = le64_to_cpu(dus->s.io_ticks);
1216 dus->s.time_in_queue = le64_to_cpu(dus->s.time_in_queue);
1217 dus->s.msec = le64_to_cpu(dus->s.msec);
1220 static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd)
1222 struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload;
1224 if (!client->disk_stats_shown)
1225 client->disk_stats_shown = true;
1227 if (output_format & FIO_OUTPUT_JSON) {
1228 struct json_object *duobj;
1230 json_array_add_disk_util(&du->dus, &du->agg, du_array);
1231 duobj = json_array_last_value_object(du_array);
1232 json_object_add_client_info(duobj, client);
1234 if (output_format & FIO_OUTPUT_NORMAL) {
1235 __log_buf(&client->buf, "\nDisk stats (read/write):\n");
1236 print_disk_util(&du->dus, &du->agg, 0, &client->buf);
1238 if (output_format & FIO_OUTPUT_TERSE && terse_version >= 3) {
1239 print_disk_util(&du->dus, &du->agg, 1, &client->buf);
1240 __log_buf(&client->buf, "\n");
1244 static void convert_jobs_eta(struct jobs_eta *je)
1248 je->nr_running = le32_to_cpu(je->nr_running);
1249 je->nr_ramp = le32_to_cpu(je->nr_ramp);
1250 je->nr_pending = le32_to_cpu(je->nr_pending);
1251 je->nr_setting_up = le32_to_cpu(je->nr_setting_up);
1252 je->files_open = le32_to_cpu(je->files_open);
1254 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1255 je->m_rate[i] = le64_to_cpu(je->m_rate[i]);
1256 je->t_rate[i] = le64_to_cpu(je->t_rate[i]);
1257 je->m_iops[i] = le32_to_cpu(je->m_iops[i]);
1258 je->t_iops[i] = le32_to_cpu(je->t_iops[i]);
1259 je->rate[i] = le64_to_cpu(je->rate[i]);
1260 je->iops[i] = le32_to_cpu(je->iops[i]);
1263 je->elapsed_sec = le64_to_cpu(je->elapsed_sec);
1264 je->eta_sec = le64_to_cpu(je->eta_sec);
1265 je->nr_threads = le32_to_cpu(je->nr_threads);
1266 je->is_pow2 = le32_to_cpu(je->is_pow2);
1267 je->unit_base = le32_to_cpu(je->unit_base);
1268 je->sig_figs = le32_to_cpu(je->sig_figs);
1271 void fio_client_sum_jobs_eta(struct jobs_eta *dst, struct jobs_eta *je)
1275 dst->nr_running += je->nr_running;
1276 dst->nr_ramp += je->nr_ramp;
1277 dst->nr_pending += je->nr_pending;
1278 dst->nr_setting_up += je->nr_setting_up;
1279 dst->files_open += je->files_open;
1281 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1282 dst->m_rate[i] += je->m_rate[i];
1283 dst->t_rate[i] += je->t_rate[i];
1284 dst->m_iops[i] += je->m_iops[i];
1285 dst->t_iops[i] += je->t_iops[i];
1286 dst->rate[i] += je->rate[i];
1287 dst->iops[i] += je->iops[i];
1290 dst->elapsed_sec += je->elapsed_sec;
1292 if (je->eta_sec > dst->eta_sec)
1293 dst->eta_sec = je->eta_sec;
1295 dst->nr_threads += je->nr_threads;
1298 * This wont be correct for multiple strings, but at least it
1299 * works for the basic cases.
1301 strcpy((char *) dst->run_str, (char *) je->run_str);
1304 static bool remove_reply_cmd(struct fio_client *client, struct fio_net_cmd *cmd)
1306 struct fio_net_cmd_reply *reply = NULL;
1307 struct flist_head *entry;
1309 flist_for_each(entry, &client->cmd_list) {
1310 reply = flist_entry(entry, struct fio_net_cmd_reply, list);
1312 if (cmd->tag == (uintptr_t) reply)
1319 log_err("fio: client: unable to find matching tag (%llx)\n", (unsigned long long) cmd->tag);
1323 flist_del(&reply->list);
1324 cmd->tag = reply->saved_tag;
1329 int fio_client_wait_for_reply(struct fio_client *client, uint64_t tag)
1332 struct fio_net_cmd_reply *reply = NULL;
1333 struct flist_head *entry;
1335 flist_for_each(entry, &client->cmd_list) {
1336 reply = flist_entry(entry, struct fio_net_cmd_reply, list);
1338 if (tag == (uintptr_t) reply)
1353 static void handle_eta(struct fio_client *client, struct fio_net_cmd *cmd)
1355 struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
1356 struct client_eta *eta = (struct client_eta *) (uintptr_t) cmd->tag;
1358 dprint(FD_NET, "client: got eta tag %p, %d\n", eta, eta->pending);
1360 assert(client->eta_in_flight == eta);
1362 client->eta_in_flight = NULL;
1363 flist_del_init(&client->eta_list);
1364 client->eta_timeouts = 0;
1366 if (client->ops->jobs_eta)
1367 client->ops->jobs_eta(client, je);
1369 fio_client_sum_jobs_eta(&eta->eta, je);
1370 fio_client_dec_jobs_eta(eta, client->ops->eta);
1373 static void client_flush_hist_samples(FILE *f, int hist_coarseness, void *samples,
1374 uint64_t sample_size)
1376 struct io_sample *s;
1378 uint64_t i, j, nr_samples;
1379 struct io_u_plat_entry *entry;
1380 uint64_t *io_u_plat;
1382 int stride = 1 << hist_coarseness;
1387 s = __get_sample(samples, 0, 0);
1388 log_offset = (s->__ddir & LOG_OFFSET_SAMPLE_BIT) != 0;
1390 nr_samples = sample_size / __log_entry_sz(log_offset);
1392 for (i = 0; i < nr_samples; i++) {
1394 s = (struct io_sample *)((char *)__get_sample(samples, log_offset, i) +
1395 i * sizeof(struct io_u_plat_entry));
1397 entry = s->data.plat_entry;
1398 io_u_plat = entry->io_u_plat;
1400 fprintf(f, "%lu, %u, %llu, ", (unsigned long) s->time,
1401 io_sample_ddir(s), (unsigned long long) s->bs);
1402 for (j = 0; j < FIO_IO_U_PLAT_NR - stride; j += stride) {
1403 fprintf(f, "%llu, ", (unsigned long long)hist_sum(j, stride, io_u_plat, NULL));
1405 fprintf(f, "%llu\n", (unsigned long long)
1406 hist_sum(FIO_IO_U_PLAT_NR - stride, stride, io_u_plat, NULL));
1411 static int fio_client_handle_iolog(struct fio_client *client,
1412 struct fio_net_cmd *cmd)
1414 struct cmd_iolog_pdu *pdu = NULL;
1416 char *log_pathname = NULL;
1419 pdu = convert_iolog(cmd, &store_direct);
1421 log_err("fio: failed converting IO log\n");
1426 /* allocate buffer big enough for next sprintf() call */
1427 log_pathname = malloc(10 + strlen((char *)pdu->name) +
1428 strlen(client->hostname));
1429 if (!log_pathname) {
1430 log_err("fio: memory allocation of unique pathname failed\n");
1434 /* generate a unique pathname for the log file using hostname */
1435 sprintf(log_pathname, "%s.%s", pdu->name, client->hostname);
1442 fd = open((const char *) log_pathname,
1443 O_WRONLY | O_CREAT | O_TRUNC, 0644);
1445 log_err("fio: open log %s: %s\n",
1446 log_pathname, strerror(errno));
1451 sz = cmd->pdu_len - sizeof(*pdu);
1452 wrote = write(fd, pdu->samples, sz);
1456 log_err("fio: short write on compressed log\n");
1464 f = fopen((const char *) log_pathname, "w");
1466 log_err("fio: fopen log %s : %s\n",
1467 log_pathname, strerror(errno));
1472 if (pdu->log_type == IO_LOG_TYPE_HIST) {
1473 client_flush_hist_samples(f, pdu->log_hist_coarseness, pdu->samples,
1474 pdu->nr_samples * sizeof(struct io_sample));
1476 flush_samples(f, pdu->samples,
1477 pdu->nr_samples * sizeof(struct io_sample));
1484 if (pdu && pdu != (void *) cmd->payload)
1493 static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd)
1495 struct cmd_probe_reply_pdu *probe = (struct cmd_probe_reply_pdu *) cmd->payload;
1496 const char *os, *arch;
1499 os = fio_get_os_string(probe->os);
1503 arch = fio_get_arch_string(probe->arch);
1507 sprintf(bit, "%d-bit", probe->bpp * 8);
1508 probe->flags = le64_to_cpu(probe->flags);
1510 if (output_format & FIO_OUTPUT_NORMAL) {
1511 log_info("hostname=%s, be=%u, %s, os=%s, arch=%s, fio=%s, flags=%lx\n",
1512 probe->hostname, probe->bigendian, bit, os, arch,
1513 probe->fio_version, (unsigned long) probe->flags);
1517 client->name = strdup((char *) probe->hostname);
1520 static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd)
1522 struct cmd_start_pdu *pdu = (struct cmd_start_pdu *) cmd->payload;
1524 client->state = Client_started;
1525 client->jobs = le32_to_cpu(pdu->jobs);
1526 client->nr_stat = le32_to_cpu(pdu->stat_outputs);
1531 if (client->opt_lists)
1532 free(client->opt_lists);
1534 client->opt_lists = malloc(client->jobs * sizeof(struct flist_head));
1535 for (i = 0; i < client->jobs; i++)
1536 INIT_FLIST_HEAD(&client->opt_lists[i]);
1539 sum_stat_clients += client->nr_stat;
1542 static void handle_stop(struct fio_client *client)
1545 log_info("client <%s>: exited with error %d\n", client->hostname, client->error);
1548 static void convert_stop(struct fio_net_cmd *cmd)
1550 struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload;
1552 pdu->error = le32_to_cpu(pdu->error);
1555 static void convert_text(struct fio_net_cmd *cmd)
1557 struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmd->payload;
1559 pdu->level = le32_to_cpu(pdu->level);
1560 pdu->buf_len = le32_to_cpu(pdu->buf_len);
1561 pdu->log_sec = le64_to_cpu(pdu->log_sec);
1562 pdu->log_usec = le64_to_cpu(pdu->log_usec);
1565 static struct cmd_iolog_pdu *convert_iolog_gz(struct fio_net_cmd *cmd,
1566 struct cmd_iolog_pdu *pdu)
1569 struct cmd_iolog_pdu *ret;
1571 uint64_t nr_samples;
1575 stream.zalloc = Z_NULL;
1576 stream.zfree = Z_NULL;
1577 stream.opaque = Z_NULL;
1578 stream.avail_in = 0;
1579 stream.next_in = Z_NULL;
1581 if (inflateInit(&stream) != Z_OK)
1585 * Get header first, it's not compressed
1587 nr_samples = le64_to_cpu(pdu->nr_samples);
1589 if (pdu->log_type == IO_LOG_TYPE_HIST)
1590 total = nr_samples * (__log_entry_sz(le32_to_cpu(pdu->log_offset)) +
1591 sizeof(struct io_u_plat_entry));
1593 total = nr_samples * __log_entry_sz(le32_to_cpu(pdu->log_offset));
1594 ret = malloc(total + sizeof(*pdu));
1595 ret->nr_samples = nr_samples;
1597 memcpy(ret, pdu, sizeof(*pdu));
1599 p = (char *) ret + sizeof(*pdu);
1601 stream.avail_in = cmd->pdu_len - sizeof(*pdu);
1602 stream.next_in = (void *)((char *) pdu + sizeof(*pdu));
1603 while (stream.avail_in) {
1604 unsigned int this_chunk = 65536;
1605 unsigned int this_len;
1608 if (this_chunk > total)
1611 stream.avail_out = this_chunk;
1612 stream.next_out = (void *)p;
1613 err = inflate(&stream, Z_NO_FLUSH);
1614 /* may be Z_OK, or Z_STREAM_END */
1617 * Z_STREAM_ERROR and Z_BUF_ERROR can safely be
1619 if (err == Z_STREAM_ERROR || err == Z_BUF_ERROR)
1621 log_err("fio: inflate error %d\n", err);
1627 this_len = this_chunk - stream.avail_out;
1633 inflateEnd(&stream);
1641 * This has been compressed on the server side, since it can be big.
1644 static struct cmd_iolog_pdu *convert_iolog(struct fio_net_cmd *cmd,
1647 struct cmd_iolog_pdu *pdu = (struct cmd_iolog_pdu *) cmd->payload;
1648 struct cmd_iolog_pdu *ret;
1653 *store_direct = false;
1656 * Convert if compressed and we support it. If it's not
1657 * compressed, we need not do anything.
1659 compressed = le32_to_cpu(pdu->compressed);
1660 if (compressed == XMIT_COMPRESSED) {
1662 log_err("fio: server sent compressed data by mistake\n");
1665 ret = convert_iolog_gz(cmd, pdu);
1667 log_err("fio: failed decompressing log\n");
1670 } else if (compressed == STORE_COMPRESSED) {
1671 *store_direct = true;
1676 ret->nr_samples = le64_to_cpu(ret->nr_samples);
1677 ret->thread_number = le32_to_cpu(ret->thread_number);
1678 ret->log_type = le32_to_cpu(ret->log_type);
1679 ret->compressed = le32_to_cpu(ret->compressed);
1680 ret->log_offset = le32_to_cpu(ret->log_offset);
1681 ret->log_hist_coarseness = le32_to_cpu(ret->log_hist_coarseness);
1686 samples = &ret->samples[0];
1687 for (i = 0; i < ret->nr_samples; i++) {
1688 struct io_sample *s;
1690 s = __get_sample(samples, ret->log_offset, i);
1691 if (ret->log_type == IO_LOG_TYPE_HIST)
1692 s = (struct io_sample *)((char *)s + sizeof(struct io_u_plat_entry) * i);
1694 s->time = le64_to_cpu(s->time);
1695 s->data.val = le64_to_cpu(s->data.val);
1696 s->__ddir = le32_to_cpu(s->__ddir);
1697 s->bs = le64_to_cpu(s->bs);
1699 if (ret->log_offset) {
1700 struct io_sample_offset *so = (void *) s;
1702 so->offset = le64_to_cpu(so->offset);
1705 if (ret->log_type == IO_LOG_TYPE_HIST) {
1706 s->data.plat_entry = (struct io_u_plat_entry *)(((char *)s) + sizeof(*s));
1707 s->data.plat_entry->list.next = NULL;
1708 s->data.plat_entry->list.prev = NULL;
1715 static void sendfile_reply(int fd, struct cmd_sendfile_reply *rep,
1716 size_t size, uint64_t tag)
1718 rep->error = cpu_to_le32(rep->error);
1719 fio_net_send_cmd(fd, FIO_NET_CMD_SENDFILE, rep, size, &tag, NULL);
1722 static int fio_send_file(struct fio_client *client, struct cmd_sendfile *pdu,
1725 struct cmd_sendfile_reply *rep;
1730 size = sizeof(*rep);
1733 if (stat((char *)pdu->path, &sb) < 0) {
1736 sendfile_reply(client->fd, rep, size, tag);
1742 rep = realloc(rep, size);
1743 rep->size = cpu_to_le32((uint32_t) sb.st_size);
1745 fd = open((char *)pdu->path, O_RDONLY);
1749 rep->error = read_data(fd, &rep->data, sb.st_size);
1750 sendfile_reply(client->fd, rep, size, tag);
1756 int fio_handle_client(struct fio_client *client)
1758 struct client_ops *ops = client->ops;
1759 struct fio_net_cmd *cmd;
1762 dprint(FD_NET, "client: handle %s\n", client->hostname);
1764 cmd = fio_net_recv_cmd(client->fd, true);
1768 dprint(FD_NET, "client: got cmd op %s from %s (pdu=%u)\n",
1769 fio_server_op(cmd->opcode), client->hostname, cmd->pdu_len);
1771 client->last_cmd = cmd->opcode;
1773 switch (cmd->opcode) {
1774 case FIO_NET_CMD_QUIT:
1776 ops->quit(client, cmd);
1777 remove_client(client);
1779 case FIO_NET_CMD_TEXT:
1781 ops->text(client, cmd);
1783 case FIO_NET_CMD_DU: {
1784 struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload;
1786 convert_dus(&du->dus);
1787 convert_agg(&du->agg);
1789 ops->disk_util(client, cmd);
1792 case FIO_NET_CMD_TS: {
1793 struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
1795 dprint(FD_NET, "client: ts->ss_state = %u\n", (unsigned int) le32_to_cpu(p->ts.ss_state));
1796 if (le32_to_cpu(p->ts.ss_state) & FIO_SS_DATA) {
1797 dprint(FD_NET, "client: received steadystate ring buffers\n");
1799 size = le64_to_cpu(p->ts.ss_dur);
1800 p->ts.ss_iops_data = (uint64_t *) ((struct cmd_ts_pdu *)cmd->payload + 1);
1801 p->ts.ss_bw_data = p->ts.ss_iops_data + size;
1804 convert_ts(&p->ts, &p->ts);
1805 convert_gs(&p->rs, &p->rs);
1807 ops->thread_status(client, cmd);
1810 case FIO_NET_CMD_GS: {
1811 struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
1815 ops->group_stats(client, cmd);
1818 case FIO_NET_CMD_ETA: {
1819 struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
1821 if (!remove_reply_cmd(client, cmd))
1823 convert_jobs_eta(je);
1824 handle_eta(client, cmd);
1827 case FIO_NET_CMD_PROBE:
1828 remove_reply_cmd(client, cmd);
1829 ops->probe(client, cmd);
1831 case FIO_NET_CMD_SERVER_START:
1832 client->state = Client_running;
1834 ops->job_start(client, cmd);
1836 case FIO_NET_CMD_START: {
1837 struct cmd_start_pdu *pdu = (struct cmd_start_pdu *) cmd->payload;
1839 pdu->jobs = le32_to_cpu(pdu->jobs);
1840 ops->start(client, cmd);
1843 case FIO_NET_CMD_STOP: {
1844 struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload;
1847 client->state = Client_stopped;
1848 client->error = le32_to_cpu(pdu->error);
1849 client->signal = le32_to_cpu(pdu->signal);
1853 case FIO_NET_CMD_ADD_JOB: {
1854 struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload;
1856 client->thread_number = le32_to_cpu(pdu->thread_number);
1857 client->groupid = le32_to_cpu(pdu->groupid);
1860 ops->add_job(client, cmd);
1863 case FIO_NET_CMD_IOLOG:
1864 fio_client_handle_iolog(client, cmd);
1866 case FIO_NET_CMD_UPDATE_JOB:
1867 ops->update_job(client, cmd);
1868 remove_reply_cmd(client, cmd);
1870 case FIO_NET_CMD_VTRIGGER: {
1871 struct all_io_list *pdu = (struct all_io_list *) cmd->payload;
1876 strcpy(buf, aux_path);
1880 __verify_save_state(pdu, server_name(client, &buf[off], sizeof(buf) - off));
1881 exec_trigger(trigger_cmd);
1884 case FIO_NET_CMD_SENDFILE: {
1885 struct cmd_sendfile *pdu = (struct cmd_sendfile *) cmd->payload;
1886 fio_send_file(client, pdu, cmd->tag);
1889 case FIO_NET_CMD_JOB_OPT: {
1890 handle_job_opt(client, cmd);
1894 log_err("fio: unknown client op: %s\n", fio_server_op(cmd->opcode));
1902 int fio_clients_send_trigger(const char *cmd)
1904 struct flist_head *entry;
1905 struct fio_client *client;
1908 dprint(FD_NET, "client: send vtrigger: %s\n", cmd);
1915 flist_for_each(entry, &client_list) {
1916 struct cmd_vtrigger_pdu *pdu;
1918 client = flist_entry(entry, struct fio_client, list);
1920 pdu = malloc(sizeof(*pdu) + slen);
1921 pdu->len = cpu_to_le16((uint16_t) slen);
1923 memcpy(pdu->cmd, cmd, slen);
1924 fio_net_send_cmd(client->fd, FIO_NET_CMD_VTRIGGER, pdu,
1925 sizeof(*pdu) + slen, NULL, NULL);
1932 static void request_client_etas(struct client_ops *ops)
1934 struct fio_client *client;
1935 struct flist_head *entry;
1936 struct client_eta *eta;
1939 if (eta_print == FIO_ETA_NEVER)
1942 dprint(FD_NET, "client: request eta (%d)\n", nr_clients);
1944 eta = calloc(1, sizeof(*eta) + __THREAD_RUNSTR_SZ(REAL_MAX_JOBS));
1945 eta->pending = nr_clients;
1947 flist_for_each(entry, &client_list) {
1948 client = flist_entry(entry, struct fio_client, list);
1950 if (!flist_empty(&client->eta_list)) {
1954 if (client->state != Client_running)
1957 assert(!client->eta_in_flight);
1958 flist_add_tail(&client->eta_list, &eta_list);
1959 client->eta_in_flight = eta;
1960 fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_SEND_ETA,
1961 (uintptr_t) eta, &client->cmd_list);
1965 if (!fio_client_dec_jobs_eta(eta, ops->eta))
1969 dprint(FD_NET, "client: requested eta tag %p\n", eta);
1973 * A single SEND_ETA timeout isn't fatal. Attempt to recover.
1975 static int handle_cmd_timeout(struct fio_client *client,
1976 struct fio_net_cmd_reply *reply)
1978 uint16_t reply_opcode = reply->opcode;
1980 flist_del(&reply->list);
1983 if (reply_opcode != FIO_NET_CMD_SEND_ETA)
1986 log_info("client <%s>: timeout on SEND_ETA\n", client->hostname);
1988 flist_del_init(&client->eta_list);
1989 if (client->eta_in_flight) {
1990 fio_client_dec_jobs_eta(client->eta_in_flight, client->ops->eta);
1991 client->eta_in_flight = NULL;
1995 * If we fail 5 in a row, give up...
1997 if (client->eta_timeouts++ > 5)
2003 static int client_check_cmd_timeout(struct fio_client *client,
2004 struct timespec *now)
2006 struct fio_net_cmd_reply *reply;
2007 struct flist_head *entry, *tmp;
2010 flist_for_each_safe(entry, tmp, &client->cmd_list) {
2013 reply = flist_entry(entry, struct fio_net_cmd_reply, list);
2015 if (mtime_since(&reply->ts, now) < FIO_NET_CLIENT_TIMEOUT)
2019 if (!handle_cmd_timeout(client, reply))
2022 log_err("fio: client %s, timeout on cmd %s\n", client->hostname,
2027 return flist_empty(&client->cmd_list) && ret;
2030 static int fio_check_clients_timed_out(void)
2032 struct fio_client *client;
2033 struct flist_head *entry, *tmp;
2037 fio_gettime(&ts, NULL);
2039 flist_for_each_safe(entry, tmp, &client_list) {
2040 client = flist_entry(entry, struct fio_client, list);
2042 if (flist_empty(&client->cmd_list))
2045 if (!client_check_cmd_timeout(client, &ts))
2048 if (client->ops->timed_out)
2049 client->ops->timed_out(client);
2051 log_err("fio: client %s timed out\n", client->hostname);
2053 if (client->last_cmd != FIO_NET_CMD_VTRIGGER)
2054 client->error = ETIMEDOUT;
2056 log_info("fio: ignoring timeout due to vtrigger\n");
2057 remove_client(client);
2064 int fio_handle_clients(struct client_ops *ops)
2066 struct pollfd *pfds;
2067 int i, ret = 0, retval = 0;
2069 fio_gettime(&eta_ts, NULL);
2071 pfds = malloc(nr_clients * sizeof(struct pollfd));
2073 init_thread_stat(&client_ts);
2074 init_group_run_stat(&client_gs);
2076 while (!exit_backend && nr_clients) {
2077 struct flist_head *entry, *tmp;
2078 struct fio_client *client;
2081 flist_for_each_safe(entry, tmp, &client_list) {
2082 client = flist_entry(entry, struct fio_client, list);
2084 if (!client->sent_job && !client->ops->stay_connected &&
2085 flist_empty(&client->cmd_list)) {
2086 remove_client(client);
2090 pfds[i].fd = client->fd;
2091 pfds[i].events = POLLIN;
2098 assert(i == nr_clients);
2104 fio_gettime(&ts, NULL);
2105 if (eta_time_within_slack(mtime_since(&eta_ts, &ts))) {
2106 request_client_etas(ops);
2107 memcpy(&eta_ts, &ts, sizeof(ts));
2109 if (fio_check_clients_timed_out())
2113 check_trigger_file();
2115 timeout = min(100u, ops->eta_msec);
2117 ret = poll(pfds, nr_clients, timeout);
2121 log_err("fio: poll clients: %s\n", strerror(errno));
2127 for (i = 0; i < nr_clients; i++) {
2128 if (!(pfds[i].revents & POLLIN))
2131 client = find_client_by_fd(pfds[i].fd);
2133 log_err("fio: unknown client fd %ld\n", (long) pfds[i].fd);
2136 if (!fio_handle_client(client)) {
2137 log_info("client: host=%s disconnected\n",
2139 remove_client(client);
2141 } else if (client->error)
2143 fio_put_client(client);
2147 log_info_buf(allclients.buf, allclients.buflen);
2148 buf_output_free(&allclients);
2150 fio_client_json_fini();
2153 return retval || error_clients;
2156 static void client_display_thread_status(struct jobs_eta *je)
2158 if (!(output_format & FIO_OUTPUT_JSON))
2159 display_thread_status(je);