11 #include <sys/socket.h>
13 #include <netinet/in.h>
14 #include <arpa/inet.h>
28 static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd);
29 static void handle_ts(struct fio_client *client, struct fio_net_cmd *cmd);
30 static void handle_gs(struct fio_client *client, struct fio_net_cmd *cmd);
31 static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd);
32 static void handle_text(struct fio_client *client, struct fio_net_cmd *cmd);
33 static void handle_stop(struct fio_client *client, struct fio_net_cmd *cmd);
34 static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd);
36 struct client_ops fio_client_ops = {
38 .disk_util = handle_du,
39 .thread_status = handle_ts,
40 .group_stats = handle_gs,
42 .start = handle_start,
43 .eta = display_thread_status,
44 .probe = handle_probe,
45 .eta_msec = FIO_CLIENT_DEF_ETA_MSEC,
46 .client_type = FIO_CLIENT_TYPE_CLI,
49 static struct timeval eta_tv;
51 static FLIST_HEAD(client_list);
52 static FLIST_HEAD(eta_list);
54 static FLIST_HEAD(arg_list);
56 struct thread_stat client_ts;
57 struct group_run_stats client_gs;
60 static int sum_stat_nr;
61 static struct json_object *root = NULL;
62 static struct json_object *job_opt_object = NULL;
63 static struct json_array *clients_array = NULL;
64 static struct json_array *du_array = NULL;
66 static int error_clients;
68 #define FIO_CLIENT_HASH_BITS 7
69 #define FIO_CLIENT_HASH_SZ (1 << FIO_CLIENT_HASH_BITS)
70 #define FIO_CLIENT_HASH_MASK (FIO_CLIENT_HASH_SZ - 1)
71 static struct flist_head client_hash[FIO_CLIENT_HASH_SZ];
73 static void fio_client_add_hash(struct fio_client *client)
75 int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS);
77 bucket &= FIO_CLIENT_HASH_MASK;
78 flist_add(&client->hash_list, &client_hash[bucket]);
81 static void fio_client_remove_hash(struct fio_client *client)
83 if (!flist_empty(&client->hash_list))
84 flist_del_init(&client->hash_list);
87 static void fio_init fio_client_hash_init(void)
91 for (i = 0; i < FIO_CLIENT_HASH_SZ; i++)
92 INIT_FLIST_HEAD(&client_hash[i]);
95 static int read_data(int fd, void *data, size_t size)
100 ret = read(fd, data, size);
102 if (errno == EAGAIN || errno == EINTR)
119 static void fio_client_json_init(void)
124 if (!(output_format & FIO_OUTPUT_JSON))
128 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
129 time_buf[strlen(time_buf) - 1] = '\0';
131 root = json_create_object();
132 json_object_add_value_string(root, "fio version", fio_version_string);
133 json_object_add_value_int(root, "timestamp", time_p);
134 json_object_add_value_string(root, "time", time_buf);
136 job_opt_object = json_create_object();
137 json_object_add_value_object(root, "global options", job_opt_object);
138 clients_array = json_create_array();
139 json_object_add_value_array(root, "client_stats", clients_array);
140 du_array = json_create_array();
141 json_object_add_value_array(root, "disk_util", du_array);
144 static void fio_client_json_fini(void)
146 if (!(output_format & FIO_OUTPUT_JSON))
150 json_print_object(root, NULL);
152 json_free_object(root);
154 clients_array = NULL;
158 static struct fio_client *find_client_by_fd(int fd)
160 int bucket = hash_long(fd, FIO_CLIENT_HASH_BITS) & FIO_CLIENT_HASH_MASK;
161 struct fio_client *client;
162 struct flist_head *entry;
164 flist_for_each(entry, &client_hash[bucket]) {
165 client = flist_entry(entry, struct fio_client, hash_list);
167 if (client->fd == fd) {
176 void fio_put_client(struct fio_client *client)
181 free(client->hostname);
186 while (client->nr_files) {
187 struct client_file *cf = &client->files[--client->nr_files];
193 if (client->opt_lists)
194 free(client->opt_lists);
196 if (!client->did_stat)
205 static int fio_client_dec_jobs_eta(struct client_eta *eta, client_eta_op eta_fn)
207 if (!--eta->pending) {
216 static void remove_client(struct fio_client *client)
218 assert(client->refs);
220 dprint(FD_NET, "client: removed <%s>\n", client->hostname);
222 if (!flist_empty(&client->list))
223 flist_del_init(&client->list);
225 fio_client_remove_hash(client);
227 if (!flist_empty(&client->eta_list)) {
228 flist_del_init(&client->eta_list);
229 fio_client_dec_jobs_eta(client->eta_in_flight, client->ops->eta);
235 if (client->ops->removed)
236 client->ops->removed(client);
239 fio_put_client(client);
242 struct fio_client *fio_get_client(struct fio_client *client)
248 static void __fio_client_add_cmd_option(struct fio_client *client,
253 index = client->argc++;
254 client->argv = realloc(client->argv, sizeof(char *) * client->argc);
255 client->argv[index] = strdup(opt);
256 dprint(FD_NET, "client: add cmd %d: %s\n", index, opt);
259 void fio_client_add_cmd_option(void *cookie, const char *opt)
261 struct fio_client *client = cookie;
262 struct flist_head *entry;
267 __fio_client_add_cmd_option(client, opt);
270 * Duplicate arguments to shared client group
272 flist_for_each(entry, &arg_list) {
273 client = flist_entry(entry, struct fio_client, arg_list);
275 __fio_client_add_cmd_option(client, opt);
279 struct fio_client *fio_client_add_explicit(struct client_ops *ops,
280 const char *hostname, int type,
283 struct fio_client *client;
285 client = malloc(sizeof(*client));
286 memset(client, 0, sizeof(*client));
288 INIT_FLIST_HEAD(&client->list);
289 INIT_FLIST_HEAD(&client->hash_list);
290 INIT_FLIST_HEAD(&client->arg_list);
291 INIT_FLIST_HEAD(&client->eta_list);
292 INIT_FLIST_HEAD(&client->cmd_list);
294 client->hostname = strdup(hostname);
296 if (type == Fio_client_socket)
301 ipv6 = type == Fio_client_ipv6;
302 if (fio_server_parse_host(hostname, ipv6,
303 &client->addr.sin_addr,
304 &client->addr6.sin6_addr))
313 client->type = ops->client_type;
315 __fio_client_add_cmd_option(client, "fio");
317 flist_add(&client->list, &client_list);
319 dprint(FD_NET, "client: added <%s>\n", client->hostname);
326 int fio_client_add_ini_file(void *cookie, const char *ini_file, int remote)
328 struct fio_client *client = cookie;
329 struct client_file *cf;
336 dprint(FD_NET, "client <%s>: add ini %s\n", client->hostname, ini_file);
338 new_size = (client->nr_files + 1) * sizeof(struct client_file);
339 new_files = realloc(client->files, new_size);
343 client->files = new_files;
344 cf = &client->files[client->nr_files];
345 cf->file = strdup(ini_file);
351 int fio_client_add(struct client_ops *ops, const char *hostname, void **cookie)
353 struct fio_client *existing = *cookie;
354 struct fio_client *client;
358 * We always add our "exec" name as the option, hence 1
361 if (existing->argc == 1)
362 flist_add_tail(&existing->arg_list, &arg_list);
364 while (!flist_empty(&arg_list))
365 flist_del_init(arg_list.next);
369 client = malloc(sizeof(*client));
370 memset(client, 0, sizeof(*client));
372 INIT_FLIST_HEAD(&client->list);
373 INIT_FLIST_HEAD(&client->hash_list);
374 INIT_FLIST_HEAD(&client->arg_list);
375 INIT_FLIST_HEAD(&client->eta_list);
376 INIT_FLIST_HEAD(&client->cmd_list);
378 if (fio_server_parse_string(hostname, &client->hostname,
379 &client->is_sock, &client->port,
380 &client->addr.sin_addr,
381 &client->addr6.sin6_addr,
388 client->type = ops->client_type;
390 __fio_client_add_cmd_option(client, "fio");
392 flist_add(&client->list, &client_list);
394 dprint(FD_NET, "client: added <%s>\n", client->hostname);
399 static const char *server_name(struct fio_client *client, char *buf,
405 from = inet_ntop(AF_INET6, (struct sockaddr *) &client->addr6.sin6_addr, buf, bufsize);
406 else if (client->is_sock)
409 from = inet_ntop(AF_INET, (struct sockaddr *) &client->addr.sin_addr, buf, bufsize);
414 static void probe_client(struct fio_client *client)
416 struct cmd_client_probe_pdu pdu;
421 dprint(FD_NET, "client: send probe\n");
424 pdu.flags = __le64_to_cpu(FIO_PROBE_FLAG_ZLIB);
429 sname = server_name(client, buf, sizeof(buf));
430 memset(pdu.server, 0, sizeof(pdu.server));
431 strncpy((char *) pdu.server, sname, sizeof(pdu.server) - 1);
433 fio_net_send_cmd(client->fd, FIO_NET_CMD_PROBE, &pdu, sizeof(pdu), &tag, &client->cmd_list);
436 static int fio_client_connect_ip(struct fio_client *client)
438 struct sockaddr *addr;
443 client->addr6.sin6_family = AF_INET6;
444 client->addr6.sin6_port = htons(client->port);
446 addr = (struct sockaddr *) &client->addr6;
447 socklen = sizeof(client->addr6);
449 client->addr.sin_family = AF_INET;
450 client->addr.sin_port = htons(client->port);
452 addr = (struct sockaddr *) &client->addr;
453 socklen = sizeof(client->addr);
456 fd = socket(domain, SOCK_STREAM, 0);
460 log_err("fio: socket: %s\n", strerror(errno));
464 if (connect(fd, addr, socklen) < 0) {
467 log_err("fio: connect: %s\n", strerror(errno));
468 log_err("fio: failed to connect to %s:%u\n", client->hostname,
477 static int fio_client_connect_sock(struct fio_client *client)
479 struct sockaddr_un *addr = &client->addr_un;
483 memset(addr, 0, sizeof(*addr));
484 addr->sun_family = AF_UNIX;
485 strncpy(addr->sun_path, client->hostname, sizeof(addr->sun_path) - 1);
487 fd = socket(AF_UNIX, SOCK_STREAM, 0);
491 log_err("fio: socket: %s\n", strerror(errno));
495 len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1;
496 if (connect(fd, (struct sockaddr *) addr, len) < 0) {
499 log_err("fio: connect; %s\n", strerror(errno));
507 int fio_client_connect(struct fio_client *client)
511 dprint(FD_NET, "client: connect to host %s\n", client->hostname);
514 fd = fio_client_connect_sock(client);
516 fd = fio_client_connect_ip(client);
518 dprint(FD_NET, "client: %s connected %d\n", client->hostname, fd);
524 fio_client_add_hash(client);
525 client->state = Client_connected;
527 probe_client(client);
531 int fio_client_terminate(struct fio_client *client)
533 return fio_net_send_quit(client->fd);
536 void fio_clients_terminate(void)
538 struct flist_head *entry;
539 struct fio_client *client;
541 dprint(FD_NET, "client: terminate clients\n");
543 flist_for_each(entry, &client_list) {
544 client = flist_entry(entry, struct fio_client, list);
545 fio_client_terminate(client);
549 static void sig_int(int sig)
551 dprint(FD_NET, "client: got signal %d\n", sig);
552 fio_clients_terminate();
555 static void client_signal_handler(void)
557 struct sigaction act;
559 memset(&act, 0, sizeof(act));
560 act.sa_handler = sig_int;
561 act.sa_flags = SA_RESTART;
562 sigaction(SIGINT, &act, NULL);
564 memset(&act, 0, sizeof(act));
565 act.sa_handler = sig_int;
566 act.sa_flags = SA_RESTART;
567 sigaction(SIGTERM, &act, NULL);
569 /* Windows uses SIGBREAK as a quit signal from other applications */
571 memset(&act, 0, sizeof(act));
572 act.sa_handler = sig_int;
573 act.sa_flags = SA_RESTART;
574 sigaction(SIGBREAK, &act, NULL);
577 memset(&act, 0, sizeof(act));
578 act.sa_handler = sig_show_status;
579 act.sa_flags = SA_RESTART;
580 sigaction(SIGUSR1, &act, NULL);
583 static int send_client_cmd_line(struct fio_client *client)
585 struct cmd_single_line_pdu *cslp;
586 struct cmd_line_pdu *clp;
587 unsigned long offset;
593 dprint(FD_NET, "client: send cmdline %d\n", client->argc);
595 lens = malloc(client->argc * sizeof(unsigned int));
598 * Find out how much mem we need
600 for (i = 0, mem = 0; i < client->argc; i++) {
601 lens[i] = strlen(client->argv[i]) + 1;
606 * We need one cmd_line_pdu, and argc number of cmd_single_line_pdu
608 mem += sizeof(*clp) + (client->argc * sizeof(*cslp));
612 offset = sizeof(*clp);
614 for (i = 0; i < client->argc; i++) {
615 uint16_t arg_len = lens[i];
618 strcpy((char *) cslp->text, client->argv[i]);
619 cslp->len = cpu_to_le16(arg_len);
620 offset += sizeof(*cslp) + arg_len;
624 clp->lines = cpu_to_le16(client->argc);
625 clp->client_type = __cpu_to_le16(client->type);
626 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, mem, NULL, NULL);
631 int fio_clients_connect(void)
633 struct fio_client *client;
634 struct flist_head *entry, *tmp;
639 WSAStartup(MAKEWORD(2, 2), &wsd);
642 dprint(FD_NET, "client: connect all\n");
644 client_signal_handler();
646 flist_for_each_safe(entry, tmp, &client_list) {
647 client = flist_entry(entry, struct fio_client, list);
649 ret = fio_client_connect(client);
651 remove_client(client);
655 if (client->argc > 1)
656 send_client_cmd_line(client);
662 int fio_start_client(struct fio_client *client)
664 dprint(FD_NET, "client: start %s\n", client->hostname);
665 return fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_RUN, 0, NULL);
668 int fio_start_all_clients(void)
670 struct fio_client *client;
671 struct flist_head *entry, *tmp;
674 dprint(FD_NET, "client: start all\n");
676 fio_client_json_init();
678 flist_for_each_safe(entry, tmp, &client_list) {
679 client = flist_entry(entry, struct fio_client, list);
681 ret = fio_start_client(client);
683 remove_client(client);
688 return flist_empty(&client_list);
691 static int __fio_client_send_remote_ini(struct fio_client *client,
692 const char *filename)
694 struct cmd_load_file_pdu *pdu;
698 dprint(FD_NET, "send remote ini %s to %s\n", filename, client->hostname);
700 p_size = sizeof(*pdu) + strlen(filename) + 1;
701 pdu = malloc(p_size);
702 memset(pdu, 0, p_size);
703 pdu->name_len = strlen(filename);
704 strcpy((char *) pdu->file, filename);
705 pdu->client_type = cpu_to_le16((uint16_t) client->type);
707 client->sent_job = 1;
708 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_LOAD_FILE, pdu, p_size,NULL, NULL);
714 * Send file contents to server backend. We could use sendfile(), but to remain
715 * more portable lets just read/write the darn thing.
717 static int __fio_client_send_local_ini(struct fio_client *client,
718 const char *filename)
720 struct cmd_job_pdu *pdu;
728 dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname);
730 fd = open(filename, O_RDONLY);
733 log_err("fio: job file <%s> open: %s\n", filename, strerror(errno));
737 if (fstat(fd, &sb) < 0) {
739 log_err("fio: job file stat: %s\n", strerror(errno));
744 p_size = sb.st_size + sizeof(*pdu);
745 pdu = malloc(p_size);
750 if (read_data(fd, p, len)) {
751 log_err("fio: failed reading job file %s\n", filename);
757 pdu->buf_len = __cpu_to_le32(sb.st_size);
758 pdu->client_type = cpu_to_le32(client->type);
760 client->sent_job = 1;
761 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, pdu, p_size, NULL, NULL);
767 int fio_client_send_ini(struct fio_client *client, const char *filename,
773 ret = __fio_client_send_local_ini(client, filename);
775 ret = __fio_client_send_remote_ini(client, filename);
778 client->sent_job = 1;
783 static int fio_client_send_cf(struct fio_client *client,
784 struct client_file *cf)
786 return fio_client_send_ini(client, cf->file, cf->remote);
789 int fio_clients_send_ini(const char *filename)
791 struct fio_client *client;
792 struct flist_head *entry, *tmp;
794 flist_for_each_safe(entry, tmp, &client_list) {
795 client = flist_entry(entry, struct fio_client, list);
797 if (client->nr_files) {
800 for (i = 0; i < client->nr_files; i++) {
801 struct client_file *cf;
803 cf = &client->files[i];
805 if (fio_client_send_cf(client, cf)) {
806 remove_client(client);
811 if (client->sent_job)
813 if (!filename || fio_client_send_ini(client, filename, 0))
814 remove_client(client);
820 int fio_client_update_options(struct fio_client *client,
821 struct thread_options *o, uint64_t *tag)
823 struct cmd_add_job_pdu pdu;
825 pdu.thread_number = cpu_to_le32(client->thread_number);
826 pdu.groupid = cpu_to_le32(client->groupid);
827 convert_thread_options_to_net(&pdu.top, o);
829 return fio_net_send_cmd(client->fd, FIO_NET_CMD_UPDATE_JOB, &pdu, sizeof(pdu), tag, &client->cmd_list);
832 static void convert_io_stat(struct io_stat *dst, struct io_stat *src)
834 dst->max_val = le64_to_cpu(src->max_val);
835 dst->min_val = le64_to_cpu(src->min_val);
836 dst->samples = le64_to_cpu(src->samples);
839 * Floats arrive as IEEE 754 encoded uint64_t, convert back to double
841 dst->mean.u.f = fio_uint64_to_double(le64_to_cpu(dst->mean.u.i));
842 dst->S.u.f = fio_uint64_to_double(le64_to_cpu(dst->S.u.i));
845 static void convert_ts(struct thread_stat *dst, struct thread_stat *src)
849 dst->error = le32_to_cpu(src->error);
850 dst->thread_number = le32_to_cpu(src->thread_number);
851 dst->groupid = le32_to_cpu(src->groupid);
852 dst->pid = le32_to_cpu(src->pid);
853 dst->members = le32_to_cpu(src->members);
854 dst->unified_rw_rep = le32_to_cpu(src->unified_rw_rep);
856 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
857 convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]);
858 convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]);
859 convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]);
860 convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]);
863 dst->usr_time = le64_to_cpu(src->usr_time);
864 dst->sys_time = le64_to_cpu(src->sys_time);
865 dst->ctx = le64_to_cpu(src->ctx);
866 dst->minf = le64_to_cpu(src->minf);
867 dst->majf = le64_to_cpu(src->majf);
868 dst->clat_percentiles = le64_to_cpu(src->clat_percentiles);
869 dst->percentile_precision = le64_to_cpu(src->percentile_precision);
871 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
872 fio_fp64_t *fps = &src->percentile_list[i];
873 fio_fp64_t *fpd = &dst->percentile_list[i];
875 fpd->u.f = fio_uint64_to_double(le64_to_cpu(fps->u.i));
878 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
879 dst->io_u_map[i] = le32_to_cpu(src->io_u_map[i]);
880 dst->io_u_submit[i] = le32_to_cpu(src->io_u_submit[i]);
881 dst->io_u_complete[i] = le32_to_cpu(src->io_u_complete[i]);
884 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
885 dst->io_u_lat_u[i] = le32_to_cpu(src->io_u_lat_u[i]);
886 dst->io_u_lat_m[i] = le32_to_cpu(src->io_u_lat_m[i]);
889 for (i = 0; i < DDIR_RWDIR_CNT; i++)
890 for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
891 dst->io_u_plat[i][j] = le32_to_cpu(src->io_u_plat[i][j]);
893 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
894 dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]);
895 dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]);
896 dst->drop_io_u[i] = le64_to_cpu(src->drop_io_u[i]);
899 dst->total_submit = le64_to_cpu(src->total_submit);
900 dst->total_complete = le64_to_cpu(src->total_complete);
902 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
903 dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]);
904 dst->runtime[i] = le64_to_cpu(src->runtime[i]);
907 dst->total_run_time = le64_to_cpu(src->total_run_time);
908 dst->continue_on_error = le16_to_cpu(src->continue_on_error);
909 dst->total_err_count = le64_to_cpu(src->total_err_count);
910 dst->first_error = le32_to_cpu(src->first_error);
911 dst->kb_base = le32_to_cpu(src->kb_base);
912 dst->unit_base = le32_to_cpu(src->unit_base);
914 dst->latency_depth = le32_to_cpu(src->latency_depth);
915 dst->latency_target = le64_to_cpu(src->latency_target);
916 dst->latency_window = le64_to_cpu(src->latency_window);
917 dst->latency_percentile.u.f = fio_uint64_to_double(le64_to_cpu(src->latency_percentile.u.i));
919 dst->nr_block_infos = le64_to_cpu(src->nr_block_infos);
920 for (i = 0; i < dst->nr_block_infos; i++)
921 dst->block_infos[i] = le32_to_cpu(src->block_infos[i]);
924 static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src)
928 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
929 dst->max_run[i] = le64_to_cpu(src->max_run[i]);
930 dst->min_run[i] = le64_to_cpu(src->min_run[i]);
931 dst->max_bw[i] = le64_to_cpu(src->max_bw[i]);
932 dst->min_bw[i] = le64_to_cpu(src->min_bw[i]);
933 dst->io_kb[i] = le64_to_cpu(src->io_kb[i]);
934 dst->agg[i] = le64_to_cpu(src->agg[i]);
937 dst->kb_base = le32_to_cpu(src->kb_base);
938 dst->unit_base = le32_to_cpu(src->unit_base);
939 dst->groupid = le32_to_cpu(src->groupid);
940 dst->unified_rw_rep = le32_to_cpu(src->unified_rw_rep);
943 static void json_object_add_client_info(struct json_object *obj,
944 struct fio_client *client)
946 const char *hostname = client->hostname ? client->hostname : "";
948 json_object_add_value_string(obj, "hostname", hostname);
949 json_object_add_value_int(obj, "port", client->port);
952 static void handle_ts(struct fio_client *client, struct fio_net_cmd *cmd)
954 struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
955 struct flist_head *opt_list = NULL;
956 struct json_object *tsobj;
958 if (client->opt_lists && p->ts.thread_number <= client->jobs)
959 opt_list = &client->opt_lists[p->ts.thread_number - 1];
961 tsobj = show_thread_status(&p->ts, &p->rs, opt_list, NULL);
962 client->did_stat = 1;
964 json_object_add_client_info(tsobj, client);
965 json_array_add_value_object(clients_array, tsobj);
968 if (sum_stat_clients <= 1)
971 sum_thread_stats(&client_ts, &p->ts, sum_stat_nr == 1);
972 sum_group_stats(&client_gs, &p->rs);
975 client_ts.thread_number = p->ts.thread_number;
976 client_ts.groupid = p->ts.groupid;
977 client_ts.unified_rw_rep = p->ts.unified_rw_rep;
979 if (++sum_stat_nr == sum_stat_clients) {
980 strcpy(client_ts.name, "All clients");
981 tsobj = show_thread_status(&client_ts, &client_gs, NULL, NULL);
983 json_object_add_client_info(tsobj, client);
984 json_array_add_value_object(clients_array, tsobj);
989 static void handle_gs(struct fio_client *client, struct fio_net_cmd *cmd)
991 struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
993 if (output_format & FIO_OUTPUT_NORMAL)
994 show_group_stats(gs, NULL);
997 static void handle_job_opt(struct fio_client *client, struct fio_net_cmd *cmd)
999 struct cmd_job_option *pdu = (struct cmd_job_option *) cmd->payload;
1000 struct print_option *p;
1002 if (!job_opt_object)
1005 pdu->global = le16_to_cpu(pdu->global);
1006 pdu->truncated = le16_to_cpu(pdu->truncated);
1007 pdu->groupid = le32_to_cpu(pdu->groupid);
1009 p = malloc(sizeof(*p));
1010 p->name = strdup((char *) pdu->name);
1011 if (pdu->value[0] != '\0')
1012 p->value = strdup((char *) pdu->value);
1017 const char *pos = "";
1022 json_object_add_value_string(job_opt_object, p->name, pos);
1023 } else if (client->opt_lists) {
1024 struct flist_head *opt_list = &client->opt_lists[pdu->groupid];
1026 flist_add_tail(&p->list, opt_list);
1030 static void handle_text(struct fio_client *client, struct fio_net_cmd *cmd)
1032 struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmd->payload;
1033 const char *buf = (const char *) pdu->buf;
1037 name = client->name ? client->name : client->hostname;
1039 if (!client->skip_newline)
1040 fprintf(f_out, "<%s> ", name);
1041 ret = fwrite(buf, pdu->buf_len, 1, f_out);
1043 client->skip_newline = strchr(buf, '\n') == NULL;
1046 static void convert_agg(struct disk_util_agg *agg)
1050 for (i = 0; i < 2; i++) {
1051 agg->ios[i] = le64_to_cpu(agg->ios[i]);
1052 agg->merges[i] = le64_to_cpu(agg->merges[i]);
1053 agg->sectors[i] = le64_to_cpu(agg->sectors[i]);
1054 agg->ticks[i] = le64_to_cpu(agg->ticks[i]);
1057 agg->io_ticks = le64_to_cpu(agg->io_ticks);
1058 agg->time_in_queue = le64_to_cpu(agg->time_in_queue);
1059 agg->slavecount = le32_to_cpu(agg->slavecount);
1060 agg->max_util.u.f = fio_uint64_to_double(le64_to_cpu(agg->max_util.u.i));
1063 static void convert_dus(struct disk_util_stat *dus)
1067 for (i = 0; i < 2; i++) {
1068 dus->s.ios[i] = le64_to_cpu(dus->s.ios[i]);
1069 dus->s.merges[i] = le64_to_cpu(dus->s.merges[i]);
1070 dus->s.sectors[i] = le64_to_cpu(dus->s.sectors[i]);
1071 dus->s.ticks[i] = le64_to_cpu(dus->s.ticks[i]);
1074 dus->s.io_ticks = le64_to_cpu(dus->s.io_ticks);
1075 dus->s.time_in_queue = le64_to_cpu(dus->s.time_in_queue);
1076 dus->s.msec = le64_to_cpu(dus->s.msec);
1079 static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd)
1081 struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload;
1083 if (!client->disk_stats_shown) {
1084 client->disk_stats_shown = 1;
1085 log_info("\nDisk stats (read/write):\n");
1088 if (output_format & FIO_OUTPUT_JSON) {
1089 struct json_object *duobj;
1090 json_array_add_disk_util(&du->dus, &du->agg, du_array);
1091 duobj = json_array_last_value_object(du_array);
1092 json_object_add_client_info(duobj, client);
1094 if (output_format & FIO_OUTPUT_TERSE)
1095 print_disk_util(&du->dus, &du->agg, 1, NULL);
1096 if (output_format & FIO_OUTPUT_NORMAL)
1097 print_disk_util(&du->dus, &du->agg, 0, NULL);
1100 static void convert_jobs_eta(struct jobs_eta *je)
1104 je->nr_running = le32_to_cpu(je->nr_running);
1105 je->nr_ramp = le32_to_cpu(je->nr_ramp);
1106 je->nr_pending = le32_to_cpu(je->nr_pending);
1107 je->nr_setting_up = le32_to_cpu(je->nr_setting_up);
1108 je->files_open = le32_to_cpu(je->files_open);
1110 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1111 je->m_rate[i] = le32_to_cpu(je->m_rate[i]);
1112 je->t_rate[i] = le32_to_cpu(je->t_rate[i]);
1113 je->m_iops[i] = le32_to_cpu(je->m_iops[i]);
1114 je->t_iops[i] = le32_to_cpu(je->t_iops[i]);
1115 je->rate[i] = le32_to_cpu(je->rate[i]);
1116 je->iops[i] = le32_to_cpu(je->iops[i]);
1119 je->elapsed_sec = le64_to_cpu(je->elapsed_sec);
1120 je->eta_sec = le64_to_cpu(je->eta_sec);
1121 je->nr_threads = le32_to_cpu(je->nr_threads);
1122 je->is_pow2 = le32_to_cpu(je->is_pow2);
1123 je->unit_base = le32_to_cpu(je->unit_base);
1126 void fio_client_sum_jobs_eta(struct jobs_eta *dst, struct jobs_eta *je)
1130 dst->nr_running += je->nr_running;
1131 dst->nr_ramp += je->nr_ramp;
1132 dst->nr_pending += je->nr_pending;
1133 dst->nr_setting_up += je->nr_setting_up;
1134 dst->files_open += je->files_open;
1136 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1137 dst->m_rate[i] += je->m_rate[i];
1138 dst->t_rate[i] += je->t_rate[i];
1139 dst->m_iops[i] += je->m_iops[i];
1140 dst->t_iops[i] += je->t_iops[i];
1141 dst->rate[i] += je->rate[i];
1142 dst->iops[i] += je->iops[i];
1145 dst->elapsed_sec += je->elapsed_sec;
1147 if (je->eta_sec > dst->eta_sec)
1148 dst->eta_sec = je->eta_sec;
1150 dst->nr_threads += je->nr_threads;
1153 * This wont be correct for multiple strings, but at least it
1154 * works for the basic cases.
1156 strcpy((char *) dst->run_str, (char *) je->run_str);
1159 static void remove_reply_cmd(struct fio_client *client, struct fio_net_cmd *cmd)
1161 struct fio_net_cmd_reply *reply = NULL;
1162 struct flist_head *entry;
1164 flist_for_each(entry, &client->cmd_list) {
1165 reply = flist_entry(entry, struct fio_net_cmd_reply, list);
1167 if (cmd->tag == (uintptr_t) reply)
1174 log_err("fio: client: unable to find matching tag (%llx)\n", (unsigned long long) cmd->tag);
1178 flist_del(&reply->list);
1179 cmd->tag = reply->saved_tag;
1183 int fio_client_wait_for_reply(struct fio_client *client, uint64_t tag)
1186 struct fio_net_cmd_reply *reply = NULL;
1187 struct flist_head *entry;
1189 flist_for_each(entry, &client->cmd_list) {
1190 reply = flist_entry(entry, struct fio_net_cmd_reply, list);
1192 if (tag == (uintptr_t) reply)
1207 static void handle_eta(struct fio_client *client, struct fio_net_cmd *cmd)
1209 struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
1210 struct client_eta *eta = (struct client_eta *) (uintptr_t) cmd->tag;
1212 dprint(FD_NET, "client: got eta tag %p, %d\n", eta, eta->pending);
1214 assert(client->eta_in_flight == eta);
1216 client->eta_in_flight = NULL;
1217 flist_del_init(&client->eta_list);
1218 client->eta_timeouts = 0;
1220 if (client->ops->jobs_eta)
1221 client->ops->jobs_eta(client, je);
1223 fio_client_sum_jobs_eta(&eta->eta, je);
1224 fio_client_dec_jobs_eta(eta, client->ops->eta);
1227 static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd)
1229 struct cmd_probe_reply_pdu *probe = (struct cmd_probe_reply_pdu *) cmd->payload;
1230 const char *os, *arch;
1233 os = fio_get_os_string(probe->os);
1237 arch = fio_get_arch_string(probe->arch);
1241 sprintf(bit, "%d-bit", probe->bpp * 8);
1242 probe->flags = le64_to_cpu(probe->flags);
1244 log_info("hostname=%s, be=%u, %s, os=%s, arch=%s, fio=%s, flags=%lx\n",
1245 probe->hostname, probe->bigendian, bit, os, arch,
1246 probe->fio_version, (unsigned long) probe->flags);
1249 client->name = strdup((char *) probe->hostname);
1252 static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd)
1254 struct cmd_start_pdu *pdu = (struct cmd_start_pdu *) cmd->payload;
1256 client->state = Client_started;
1257 client->jobs = le32_to_cpu(pdu->jobs);
1258 client->nr_stat = le32_to_cpu(pdu->stat_outputs);
1263 if (client->opt_lists)
1264 free(client->opt_lists);
1266 client->opt_lists = malloc(client->jobs * sizeof(struct flist_head));
1267 for (i = 0; i < client->jobs; i++)
1268 INIT_FLIST_HEAD(&client->opt_lists[i]);
1271 sum_stat_clients += client->nr_stat;
1274 static void handle_stop(struct fio_client *client, struct fio_net_cmd *cmd)
1277 log_info("client <%s>: exited with error %d\n", client->hostname, client->error);
1280 static void convert_stop(struct fio_net_cmd *cmd)
1282 struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload;
1284 pdu->error = le32_to_cpu(pdu->error);
1287 static void convert_text(struct fio_net_cmd *cmd)
1289 struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmd->payload;
1291 pdu->level = le32_to_cpu(pdu->level);
1292 pdu->buf_len = le32_to_cpu(pdu->buf_len);
1293 pdu->log_sec = le64_to_cpu(pdu->log_sec);
1294 pdu->log_usec = le64_to_cpu(pdu->log_usec);
1297 static struct cmd_iolog_pdu *convert_iolog_gz(struct fio_net_cmd *cmd,
1298 struct cmd_iolog_pdu *pdu)
1301 struct cmd_iolog_pdu *ret;
1303 uint32_t nr_samples;
1307 stream.zalloc = Z_NULL;
1308 stream.zfree = Z_NULL;
1309 stream.opaque = Z_NULL;
1310 stream.avail_in = 0;
1311 stream.next_in = Z_NULL;
1313 if (inflateInit(&stream) != Z_OK)
1317 * Get header first, it's not compressed
1319 nr_samples = le64_to_cpu(pdu->nr_samples);
1321 total = nr_samples * __log_entry_sz(le32_to_cpu(pdu->log_offset));
1322 ret = malloc(total + sizeof(*pdu));
1323 ret->nr_samples = nr_samples;
1325 memcpy(ret, pdu, sizeof(*pdu));
1327 p = (void *) ret + sizeof(*pdu);
1329 stream.avail_in = cmd->pdu_len - sizeof(*pdu);
1330 stream.next_in = (void *) pdu + sizeof(*pdu);
1331 while (stream.avail_in) {
1332 unsigned int this_chunk = 65536;
1333 unsigned int this_len;
1336 if (this_chunk > total)
1339 stream.avail_out = this_chunk;
1340 stream.next_out = p;
1341 err = inflate(&stream, Z_NO_FLUSH);
1342 /* may be Z_OK, or Z_STREAM_END */
1344 log_err("fio: inflate error %d\n", err);
1350 this_len = this_chunk - stream.avail_out;
1356 inflateEnd(&stream);
1364 * This has been compressed on the server side, since it can be big.
1367 static struct cmd_iolog_pdu *convert_iolog(struct fio_net_cmd *cmd)
1369 struct cmd_iolog_pdu *pdu = (struct cmd_iolog_pdu *) cmd->payload;
1370 struct cmd_iolog_pdu *ret;
1375 * Convert if compressed and we support it. If it's not
1376 * compressed, we need not do anything.
1378 if (le32_to_cpu(pdu->compressed)) {
1380 log_err("fio: server sent compressed data by mistake\n");
1383 ret = convert_iolog_gz(cmd, pdu);
1385 log_err("fio: failed decompressing log\n");
1391 ret->nr_samples = le64_to_cpu(ret->nr_samples);
1392 ret->thread_number = le32_to_cpu(ret->thread_number);
1393 ret->log_type = le32_to_cpu(ret->log_type);
1394 ret->compressed = le32_to_cpu(ret->compressed);
1395 ret->log_offset = le32_to_cpu(ret->log_offset);
1397 samples = &ret->samples[0];
1398 for (i = 0; i < ret->nr_samples; i++) {
1399 struct io_sample *s;
1401 s = __get_sample(samples, ret->log_offset, i);
1402 s->time = le64_to_cpu(s->time);
1403 s->val = le64_to_cpu(s->val);
1404 s->__ddir = le32_to_cpu(s->__ddir);
1405 s->bs = le32_to_cpu(s->bs);
1407 if (ret->log_offset) {
1408 struct io_sample_offset *so = (void *) s;
1410 so->offset = le64_to_cpu(so->offset);
1417 static void sendfile_reply(int fd, struct cmd_sendfile_reply *rep,
1418 size_t size, uint64_t tag)
1420 rep->error = cpu_to_le32(rep->error);
1421 fio_net_send_cmd(fd, FIO_NET_CMD_SENDFILE, rep, size, &tag, NULL);
1424 static int send_file(struct fio_client *client, struct cmd_sendfile *pdu,
1427 struct cmd_sendfile_reply *rep;
1432 size = sizeof(*rep);
1435 if (stat((char *)pdu->path, &sb) < 0) {
1438 sendfile_reply(client->fd, rep, size, tag);
1444 rep = realloc(rep, size);
1445 rep->size = cpu_to_le32((uint32_t) sb.st_size);
1447 fd = open((char *)pdu->path, O_RDONLY);
1451 rep->error = read_data(fd, &rep->data, sb.st_size);
1452 sendfile_reply(client->fd, rep, size, tag);
1458 int fio_handle_client(struct fio_client *client)
1460 struct client_ops *ops = client->ops;
1461 struct fio_net_cmd *cmd;
1463 dprint(FD_NET, "client: handle %s\n", client->hostname);
1465 cmd = fio_net_recv_cmd(client->fd);
1469 dprint(FD_NET, "client: got cmd op %s from %s (pdu=%u)\n",
1470 fio_server_op(cmd->opcode), client->hostname, cmd->pdu_len);
1472 switch (cmd->opcode) {
1473 case FIO_NET_CMD_QUIT:
1475 ops->quit(client, cmd);
1476 remove_client(client);
1478 case FIO_NET_CMD_TEXT:
1480 ops->text(client, cmd);
1482 case FIO_NET_CMD_DU: {
1483 struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload;
1485 convert_dus(&du->dus);
1486 convert_agg(&du->agg);
1488 ops->disk_util(client, cmd);
1491 case FIO_NET_CMD_TS: {
1492 struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
1494 convert_ts(&p->ts, &p->ts);
1495 convert_gs(&p->rs, &p->rs);
1497 ops->thread_status(client, cmd);
1500 case FIO_NET_CMD_GS: {
1501 struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
1505 ops->group_stats(client, cmd);
1508 case FIO_NET_CMD_ETA: {
1509 struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
1511 remove_reply_cmd(client, cmd);
1512 convert_jobs_eta(je);
1513 handle_eta(client, cmd);
1516 case FIO_NET_CMD_PROBE:
1517 remove_reply_cmd(client, cmd);
1518 ops->probe(client, cmd);
1520 case FIO_NET_CMD_SERVER_START:
1521 client->state = Client_running;
1523 ops->job_start(client, cmd);
1525 case FIO_NET_CMD_START: {
1526 struct cmd_start_pdu *pdu = (struct cmd_start_pdu *) cmd->payload;
1528 pdu->jobs = le32_to_cpu(pdu->jobs);
1529 ops->start(client, cmd);
1532 case FIO_NET_CMD_STOP: {
1533 struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload;
1536 client->state = Client_stopped;
1537 client->error = le32_to_cpu(pdu->error);
1538 client->signal = le32_to_cpu(pdu->signal);
1539 ops->stop(client, cmd);
1542 case FIO_NET_CMD_ADD_JOB: {
1543 struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload;
1545 client->thread_number = le32_to_cpu(pdu->thread_number);
1546 client->groupid = le32_to_cpu(pdu->groupid);
1549 ops->add_job(client, cmd);
1552 case FIO_NET_CMD_IOLOG:
1554 struct cmd_iolog_pdu *pdu;
1556 pdu = convert_iolog(cmd);
1557 ops->iolog(client, pdu);
1560 case FIO_NET_CMD_UPDATE_JOB:
1561 ops->update_job(client, cmd);
1562 remove_reply_cmd(client, cmd);
1564 case FIO_NET_CMD_VTRIGGER: {
1565 struct all_io_list *pdu = (struct all_io_list *) cmd->payload;
1570 strcpy(buf, aux_path);
1574 __verify_save_state(pdu, server_name(client, &buf[off], sizeof(buf) - off));
1575 exec_trigger(trigger_cmd);
1578 case FIO_NET_CMD_SENDFILE: {
1579 struct cmd_sendfile *pdu = (struct cmd_sendfile *) cmd->payload;
1580 send_file(client, pdu, cmd->tag);
1583 case FIO_NET_CMD_JOB_OPT: {
1584 handle_job_opt(client, cmd);
1588 log_err("fio: unknown client op: %s\n", fio_server_op(cmd->opcode));
1596 int fio_clients_send_trigger(const char *cmd)
1598 struct flist_head *entry;
1599 struct fio_client *client;
1602 dprint(FD_NET, "client: send vtrigger: %s\n", cmd);
1609 flist_for_each(entry, &client_list) {
1610 struct cmd_vtrigger_pdu *pdu;
1612 client = flist_entry(entry, struct fio_client, list);
1614 pdu = malloc(sizeof(*pdu) + slen);
1615 pdu->len = cpu_to_le16((uint16_t) slen);
1617 memcpy(pdu->cmd, cmd, slen);
1618 fio_net_send_cmd(client->fd, FIO_NET_CMD_VTRIGGER, pdu,
1619 sizeof(*pdu) + slen, NULL, NULL);
1626 static void request_client_etas(struct client_ops *ops)
1628 struct fio_client *client;
1629 struct flist_head *entry;
1630 struct client_eta *eta;
1633 dprint(FD_NET, "client: request eta (%d)\n", nr_clients);
1635 eta = calloc(1, sizeof(*eta) + __THREAD_RUNSTR_SZ(REAL_MAX_JOBS));
1636 eta->pending = nr_clients;
1638 flist_for_each(entry, &client_list) {
1639 client = flist_entry(entry, struct fio_client, list);
1641 if (!flist_empty(&client->eta_list)) {
1645 if (client->state != Client_running)
1648 assert(!client->eta_in_flight);
1649 flist_add_tail(&client->eta_list, &eta_list);
1650 client->eta_in_flight = eta;
1651 fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_SEND_ETA,
1652 (uintptr_t) eta, &client->cmd_list);
1656 if (!fio_client_dec_jobs_eta(eta, ops->eta))
1660 dprint(FD_NET, "client: requested eta tag %p\n", eta);
1664 * A single SEND_ETA timeout isn't fatal. Attempt to recover.
1666 static int handle_cmd_timeout(struct fio_client *client,
1667 struct fio_net_cmd_reply *reply)
1669 flist_del(&reply->list);
1672 if (reply->opcode != FIO_NET_CMD_SEND_ETA)
1675 log_info("client <%s>: timeout on SEND_ETA\n", client->hostname);
1677 flist_del_init(&client->eta_list);
1678 if (client->eta_in_flight) {
1679 fio_client_dec_jobs_eta(client->eta_in_flight, client->ops->eta);
1680 client->eta_in_flight = NULL;
1684 * If we fail 5 in a row, give up...
1686 if (client->eta_timeouts++ > 5)
1692 static int client_check_cmd_timeout(struct fio_client *client,
1693 struct timeval *now)
1695 struct fio_net_cmd_reply *reply;
1696 struct flist_head *entry, *tmp;
1699 flist_for_each_safe(entry, tmp, &client->cmd_list) {
1700 reply = flist_entry(entry, struct fio_net_cmd_reply, list);
1702 if (mtime_since(&reply->tv, now) < FIO_NET_CLIENT_TIMEOUT)
1705 if (!handle_cmd_timeout(client, reply))
1708 log_err("fio: client %s, timeout on cmd %s\n", client->hostname,
1709 fio_server_op(reply->opcode));
1713 return flist_empty(&client->cmd_list) && ret;
1716 static int fio_check_clients_timed_out(void)
1718 struct fio_client *client;
1719 struct flist_head *entry, *tmp;
1723 fio_gettime(&tv, NULL);
1725 flist_for_each_safe(entry, tmp, &client_list) {
1726 client = flist_entry(entry, struct fio_client, list);
1728 if (flist_empty(&client->cmd_list))
1731 if (!client_check_cmd_timeout(client, &tv))
1734 if (client->ops->timed_out)
1735 client->ops->timed_out(client);
1737 log_err("fio: client %s timed out\n", client->hostname);
1739 client->error = ETIMEDOUT;
1740 remove_client(client);
1747 int fio_handle_clients(struct client_ops *ops)
1749 struct pollfd *pfds;
1750 int i, ret = 0, retval = 0;
1752 fio_gettime(&eta_tv, NULL);
1754 pfds = malloc(nr_clients * sizeof(struct pollfd));
1756 init_thread_stat(&client_ts);
1757 init_group_run_stat(&client_gs);
1759 while (!exit_backend && nr_clients) {
1760 struct flist_head *entry, *tmp;
1761 struct fio_client *client;
1764 flist_for_each_safe(entry, tmp, &client_list) {
1765 client = flist_entry(entry, struct fio_client, list);
1767 if (!client->sent_job && !client->ops->stay_connected &&
1768 flist_empty(&client->cmd_list)) {
1769 remove_client(client);
1773 pfds[i].fd = client->fd;
1774 pfds[i].events = POLLIN;
1781 assert(i == nr_clients);
1787 fio_gettime(&tv, NULL);
1788 if (mtime_since(&eta_tv, &tv) >= 900) {
1789 request_client_etas(ops);
1790 memcpy(&eta_tv, &tv, sizeof(tv));
1792 if (fio_check_clients_timed_out())
1796 check_trigger_file();
1798 timeout = min(100u, ops->eta_msec);
1800 ret = poll(pfds, nr_clients, timeout);
1804 log_err("fio: poll clients: %s\n", strerror(errno));
1810 for (i = 0; i < nr_clients; i++) {
1811 if (!(pfds[i].revents & POLLIN))
1814 client = find_client_by_fd(pfds[i].fd);
1816 log_err("fio: unknown client fd %ld\n", (long) pfds[i].fd);
1819 if (!fio_handle_client(client)) {
1820 log_info("client: host=%s disconnected\n",
1822 remove_client(client);
1824 } else if (client->error)
1826 fio_put_client(client);
1830 fio_client_json_fini();
1833 return retval || error_clients;