11 #include <sys/socket.h>
13 #include <netinet/in.h>
14 #include <arpa/inet.h>
29 struct flist_head list;
30 struct flist_head hash_list;
31 struct flist_head arg_list;
32 struct sockaddr_in addr;
33 struct sockaddr_un addr_un;
46 struct flist_head eta_list;
47 struct client_eta *eta_in_flight;
49 struct flist_head cmd_list;
55 static struct timeval eta_tv;
66 static FLIST_HEAD(client_list);
67 static FLIST_HEAD(eta_list);
69 static FLIST_HEAD(arg_list);
71 static struct thread_stat client_ts;
72 static struct group_run_stats client_gs;
73 static int sum_stat_clients;
74 static int sum_stat_nr;
76 #define FIO_CLIENT_HASH_BITS 7
77 #define FIO_CLIENT_HASH_SZ (1 << FIO_CLIENT_HASH_BITS)
78 #define FIO_CLIENT_HASH_MASK (FIO_CLIENT_HASH_SZ - 1)
79 static struct flist_head client_hash[FIO_CLIENT_HASH_SZ];
81 static int handle_client(struct fio_client *client);
82 static void dec_jobs_eta(struct client_eta *eta);
84 static void fio_client_add_hash(struct fio_client *client)
86 int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS);
88 bucket &= FIO_CLIENT_HASH_MASK;
89 flist_add(&client->hash_list, &client_hash[bucket]);
92 static void fio_client_remove_hash(struct fio_client *client)
94 if (!flist_empty(&client->hash_list))
95 flist_del_init(&client->hash_list);
98 static void fio_init fio_client_hash_init(void)
102 for (i = 0; i < FIO_CLIENT_HASH_SZ; i++)
103 INIT_FLIST_HEAD(&client_hash[i]);
106 static struct fio_client *find_client_by_fd(int fd)
108 int bucket = hash_long(fd, FIO_CLIENT_HASH_BITS) & FIO_CLIENT_HASH_MASK;
109 struct fio_client *client;
110 struct flist_head *entry;
112 flist_for_each(entry, &client_hash[bucket]) {
113 client = flist_entry(entry, struct fio_client, hash_list);
115 if (client->fd == fd)
122 static void remove_client(struct fio_client *client)
124 dprint(FD_NET, "client: removed <%s>\n", client->hostname);
125 flist_del(&client->list);
127 fio_client_remove_hash(client);
129 if (!flist_empty(&client->eta_list)) {
130 flist_del_init(&client->eta_list);
131 dec_jobs_eta(client->eta_in_flight);
134 free(client->hostname);
145 static void __fio_client_add_cmd_option(struct fio_client *client,
150 index = client->argc++;
151 client->argv = realloc(client->argv, sizeof(char *) * client->argc);
152 client->argv[index] = strdup(opt);
153 dprint(FD_NET, "client: add cmd %d: %s\n", index, opt);
156 void fio_client_add_cmd_option(void *cookie, const char *opt)
158 struct fio_client *client = cookie;
159 struct flist_head *entry;
164 __fio_client_add_cmd_option(client, opt);
167 * Duplicate arguments to shared client group
169 flist_for_each(entry, &arg_list) {
170 client = flist_entry(entry, struct fio_client, arg_list);
172 __fio_client_add_cmd_option(client, opt);
176 int fio_client_add(const char *hostname, void **cookie)
178 struct fio_client *existing = *cookie;
179 struct fio_client *client;
183 * We always add our "exec" name as the option, hence 1
186 if (existing->argc == 1)
187 flist_add_tail(&existing->arg_list, &arg_list);
189 while (!flist_empty(&arg_list))
190 flist_del_init(arg_list.next);
194 client = malloc(sizeof(*client));
195 memset(client, 0, sizeof(*client));
197 INIT_FLIST_HEAD(&client->list);
198 INIT_FLIST_HEAD(&client->hash_list);
199 INIT_FLIST_HEAD(&client->arg_list);
200 INIT_FLIST_HEAD(&client->eta_list);
201 INIT_FLIST_HEAD(&client->cmd_list);
203 if (fio_server_parse_string(hostname, &client->hostname,
204 &client->is_sock, &client->port,
205 &client->addr.sin_addr))
210 __fio_client_add_cmd_option(client, "fio");
212 flist_add(&client->list, &client_list);
214 dprint(FD_NET, "client: added <%s>\n", client->hostname);
219 static int fio_client_connect_ip(struct fio_client *client)
223 client->addr.sin_family = AF_INET;
224 client->addr.sin_port = htons(client->port);
226 fd = socket(AF_INET, SOCK_STREAM, 0);
228 log_err("fio: socket: %s\n", strerror(errno));
232 if (connect(fd, (struct sockaddr *) &client->addr, sizeof(client->addr)) < 0) {
233 log_err("fio: connect: %s\n", strerror(errno));
234 log_err("fio: failed to connect to %s:%u\n", client->hostname,
243 static int fio_client_connect_sock(struct fio_client *client)
245 struct sockaddr_un *addr = &client->addr_un;
249 memset(addr, 0, sizeof(*addr));
250 addr->sun_family = AF_UNIX;
251 strcpy(addr->sun_path, client->hostname);
253 fd = socket(AF_UNIX, SOCK_STREAM, 0);
255 log_err("fio: socket: %s\n", strerror(errno));
259 len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1;
260 if (connect(fd, (struct sockaddr *) addr, len) < 0) {
261 log_err("fio: connect; %s\n", strerror(errno));
269 static int fio_client_connect(struct fio_client *client)
273 dprint(FD_NET, "client: connect to host %s\n", client->hostname);
276 fd = fio_client_connect_sock(client);
278 fd = fio_client_connect_ip(client);
280 dprint(FD_NET, "client: %s connected %d\n", client->hostname, fd);
286 fio_client_add_hash(client);
287 client->state = Client_connected;
291 void fio_clients_terminate(void)
293 struct flist_head *entry;
294 struct fio_client *client;
296 dprint(FD_NET, "client: terminate clients\n");
298 flist_for_each(entry, &client_list) {
299 client = flist_entry(entry, struct fio_client, list);
301 fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_QUIT, 0, NULL);
305 static void sig_int(int sig)
307 dprint(FD_NET, "client: got signal %d\n", sig);
308 fio_clients_terminate();
311 static void client_signal_handler(void)
313 struct sigaction act;
315 memset(&act, 0, sizeof(act));
316 act.sa_handler = sig_int;
317 act.sa_flags = SA_RESTART;
318 sigaction(SIGINT, &act, NULL);
320 memset(&act, 0, sizeof(act));
321 act.sa_handler = sig_int;
322 act.sa_flags = SA_RESTART;
323 sigaction(SIGTERM, &act, NULL);
326 static void probe_client(struct fio_client *client)
328 dprint(FD_NET, "client: send probe\n");
330 fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_PROBE, 0, &client->cmd_list);
333 static int send_client_cmd_line(struct fio_client *client)
335 struct cmd_single_line_pdu *cslp;
336 struct cmd_line_pdu *clp;
337 unsigned long offset;
343 dprint(FD_NET, "client: send cmdline %d\n", client->argc);
345 lens = malloc(client->argc * sizeof(unsigned int));
348 * Find out how much mem we need
350 for (i = 0, mem = 0; i < client->argc; i++) {
351 lens[i] = strlen(client->argv[i]) + 1;
356 * We need one cmd_line_pdu, and argc number of cmd_single_line_pdu
358 mem += sizeof(*clp) + (client->argc * sizeof(*cslp));
362 offset = sizeof(*clp);
364 for (i = 0; i < client->argc; i++) {
365 uint16_t arg_len = lens[i];
368 strcpy((char *) cslp->text, client->argv[i]);
369 cslp->len = cpu_to_le16(arg_len);
370 offset += sizeof(*cslp) + arg_len;
374 clp->lines = cpu_to_le16(client->argc);
375 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, mem, 0);
380 int fio_clients_connect(void)
382 struct fio_client *client;
383 struct flist_head *entry, *tmp;
386 dprint(FD_NET, "client: connect all\n");
388 client_signal_handler();
390 flist_for_each_safe(entry, tmp, &client_list) {
391 client = flist_entry(entry, struct fio_client, list);
393 ret = fio_client_connect(client);
395 remove_client(client);
399 probe_client(client);
401 if (client->argc > 1)
402 send_client_cmd_line(client);
409 * Send file contents to server backend. We could use sendfile(), but to remain
410 * more portable lets just read/write the darn thing.
412 static int fio_client_send_ini(struct fio_client *client, const char *filename)
419 dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname);
421 fd = open(filename, O_RDONLY);
423 log_err("fio: job file <%s> open: %s\n", filename, strerror(errno));
427 if (fstat(fd, &sb) < 0) {
428 log_err("fio: job file stat: %s\n", strerror(errno));
433 buf = malloc(sb.st_size);
438 ret = read(fd, p, len);
447 else if (errno == EAGAIN || errno == EINTR)
452 log_err("fio: failed reading job file %s\n", filename);
458 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, buf, sb.st_size, 0);
464 int fio_clients_send_ini(const char *filename)
466 struct fio_client *client;
467 struct flist_head *entry, *tmp;
469 flist_for_each_safe(entry, tmp, &client_list) {
470 client = flist_entry(entry, struct fio_client, list);
472 if (fio_client_send_ini(client, filename))
473 remove_client(client);
479 static void convert_io_stat(struct io_stat *dst, struct io_stat *src)
481 dst->max_val = le64_to_cpu(src->max_val);
482 dst->min_val = le64_to_cpu(src->min_val);
483 dst->samples = le64_to_cpu(src->samples);
486 * Floats arrive as IEEE 754 encoded uint64_t, convert back to double
488 dst->mean.u.f = fio_uint64_to_double(le64_to_cpu(dst->mean.u.i));
489 dst->S.u.f = fio_uint64_to_double(le64_to_cpu(dst->S.u.i));
492 static void convert_ts(struct thread_stat *dst, struct thread_stat *src)
496 dst->error = le32_to_cpu(src->error);
497 dst->groupid = le32_to_cpu(src->groupid);
498 dst->pid = le32_to_cpu(src->pid);
499 dst->members = le32_to_cpu(src->members);
501 for (i = 0; i < 2; i++) {
502 convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]);
503 convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]);
504 convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]);
505 convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]);
508 dst->usr_time = le64_to_cpu(src->usr_time);
509 dst->sys_time = le64_to_cpu(src->sys_time);
510 dst->ctx = le64_to_cpu(src->ctx);
511 dst->minf = le64_to_cpu(src->minf);
512 dst->majf = le64_to_cpu(src->majf);
513 dst->clat_percentiles = le64_to_cpu(src->clat_percentiles);
515 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
516 fio_fp64_t *fps = &src->percentile_list[i];
517 fio_fp64_t *fpd = &dst->percentile_list[i];
519 fpd->u.f = fio_uint64_to_double(le64_to_cpu(fps->u.i));
522 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
523 dst->io_u_map[i] = le32_to_cpu(src->io_u_map[i]);
524 dst->io_u_submit[i] = le32_to_cpu(src->io_u_submit[i]);
525 dst->io_u_complete[i] = le32_to_cpu(src->io_u_complete[i]);
528 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
529 dst->io_u_lat_u[i] = le32_to_cpu(src->io_u_lat_u[i]);
530 dst->io_u_lat_m[i] = le32_to_cpu(src->io_u_lat_m[i]);
533 for (i = 0; i < 2; i++)
534 for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
535 dst->io_u_plat[i][j] = le32_to_cpu(src->io_u_plat[i][j]);
537 for (i = 0; i < 3; i++) {
538 dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]);
539 dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]);
542 dst->total_submit = le64_to_cpu(src->total_submit);
543 dst->total_complete = le64_to_cpu(src->total_complete);
545 for (i = 0; i < 2; i++) {
546 dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]);
547 dst->runtime[i] = le64_to_cpu(src->runtime[i]);
550 dst->total_run_time = le64_to_cpu(src->total_run_time);
551 dst->continue_on_error = le16_to_cpu(src->continue_on_error);
552 dst->total_err_count = le64_to_cpu(src->total_err_count);
553 dst->first_error = le32_to_cpu(src->first_error);
554 dst->kb_base = le32_to_cpu(src->kb_base);
557 static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src)
561 for (i = 0; i < 2; i++) {
562 dst->max_run[i] = le64_to_cpu(src->max_run[i]);
563 dst->min_run[i] = le64_to_cpu(src->min_run[i]);
564 dst->max_bw[i] = le64_to_cpu(src->max_bw[i]);
565 dst->min_bw[i] = le64_to_cpu(src->min_bw[i]);
566 dst->io_kb[i] = le64_to_cpu(src->io_kb[i]);
567 dst->agg[i] = le64_to_cpu(src->agg[i]);
570 dst->kb_base = le32_to_cpu(src->kb_base);
571 dst->groupid = le32_to_cpu(src->groupid);
574 static void handle_ts(struct fio_net_cmd *cmd)
576 struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
578 convert_ts(&p->ts, &p->ts);
579 convert_gs(&p->rs, &p->rs);
581 show_thread_status(&p->ts, &p->rs);
583 if (sum_stat_clients == 1)
586 sum_thread_stats(&client_ts, &p->ts, sum_stat_nr);
587 sum_group_stats(&client_gs, &p->rs);
590 client_ts.groupid = p->ts.groupid;
592 if (++sum_stat_nr == sum_stat_clients) {
593 strcpy(client_ts.name, "All clients");
594 show_thread_status(&client_ts, &client_gs);
598 static void handle_gs(struct fio_net_cmd *cmd)
600 struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
603 show_group_stats(gs);
606 static void convert_agg(struct disk_util_agg *agg)
610 for (i = 0; i < 2; i++) {
611 agg->ios[i] = le32_to_cpu(agg->ios[i]);
612 agg->merges[i] = le32_to_cpu(agg->merges[i]);
613 agg->sectors[i] = le64_to_cpu(agg->sectors[i]);
614 agg->ticks[i] = le32_to_cpu(agg->ticks[i]);
617 agg->io_ticks = le32_to_cpu(agg->io_ticks);
618 agg->time_in_queue = le32_to_cpu(agg->time_in_queue);
619 agg->slavecount = le32_to_cpu(agg->slavecount);
620 agg->max_util.u.f = __le64_to_cpu(fio_uint64_to_double(agg->max_util.u.i));
623 static void convert_dus(struct disk_util_stat *dus)
627 for (i = 0; i < 2; i++) {
628 dus->ios[i] = le32_to_cpu(dus->ios[i]);
629 dus->merges[i] = le32_to_cpu(dus->merges[i]);
630 dus->sectors[i] = le64_to_cpu(dus->sectors[i]);
631 dus->ticks[i] = le32_to_cpu(dus->ticks[i]);
634 dus->io_ticks = le32_to_cpu(dus->io_ticks);
635 dus->time_in_queue = le32_to_cpu(dus->time_in_queue);
636 dus->msec = le64_to_cpu(dus->msec);
639 static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd)
641 struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload;
643 convert_dus(&du->dus);
644 convert_agg(&du->agg);
646 if (!client->disk_stats_shown) {
647 client->disk_stats_shown = 1;
648 log_info("\nDisk stats (read/write):\n");
651 print_disk_util(&du->dus, &du->agg, terse_output);
654 static void convert_jobs_eta(struct jobs_eta *je)
658 je->nr_running = le32_to_cpu(je->nr_running);
659 je->nr_ramp = le32_to_cpu(je->nr_ramp);
660 je->nr_pending = le32_to_cpu(je->nr_pending);
661 je->files_open = le32_to_cpu(je->files_open);
662 je->m_rate = le32_to_cpu(je->m_rate);
663 je->t_rate = le32_to_cpu(je->t_rate);
664 je->m_iops = le32_to_cpu(je->m_iops);
665 je->t_iops = le32_to_cpu(je->t_iops);
667 for (i = 0; i < 2; i++) {
668 je->rate[i] = le32_to_cpu(je->rate[i]);
669 je->iops[i] = le32_to_cpu(je->iops[i]);
672 je->elapsed_sec = le64_to_cpu(je->elapsed_sec);
673 je->eta_sec = le64_to_cpu(je->eta_sec);
676 static void sum_jobs_eta(struct jobs_eta *dst, struct jobs_eta *je)
680 dst->nr_running += je->nr_running;
681 dst->nr_ramp += je->nr_ramp;
682 dst->nr_pending += je->nr_pending;
683 dst->files_open += je->files_open;
684 dst->m_rate += je->m_rate;
685 dst->t_rate += je->t_rate;
686 dst->m_iops += je->m_iops;
687 dst->t_iops += je->t_iops;
689 for (i = 0; i < 2; i++) {
690 dst->rate[i] += je->rate[i];
691 dst->iops[i] += je->iops[i];
694 dst->elapsed_sec += je->elapsed_sec;
696 if (je->eta_sec > dst->eta_sec)
697 dst->eta_sec = je->eta_sec;
700 static void dec_jobs_eta(struct client_eta *eta)
702 if (!--eta->pending) {
703 display_thread_status(&eta->eta);
708 static void remove_reply_cmd(struct fio_client *client, struct fio_net_cmd *cmd)
710 struct fio_net_int_cmd *icmd = NULL;
711 struct flist_head *entry;
713 flist_for_each(entry, &client->cmd_list) {
714 icmd = flist_entry(entry, struct fio_net_int_cmd, list);
716 if (cmd->tag == (uintptr_t) icmd)
723 log_err("fio: client: unable to find matching tag\n");
727 flist_del(&icmd->list);
728 cmd->tag = icmd->saved_tag;
732 static void handle_eta(struct fio_client *client, struct fio_net_cmd *cmd)
734 struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
735 struct client_eta *eta = (struct client_eta *) (uintptr_t) cmd->tag;
737 dprint(FD_NET, "client: got eta tag %p, %d\n", eta, eta->pending);
739 assert(client->eta_in_flight == eta);
741 client->eta_in_flight = NULL;
742 flist_del_init(&client->eta_list);
744 convert_jobs_eta(je);
745 sum_jobs_eta(&eta->eta, je);
749 static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd)
751 struct cmd_probe_pdu *probe = (struct cmd_probe_pdu *) cmd->payload;
752 const char *os, *arch;
755 os = fio_get_os_string(probe->os);
759 arch = fio_get_arch_string(probe->arch);
763 sprintf(bit, "%d-bit", probe->bpp * 8);
765 log_info("hostname=%s, be=%u, %s, os=%s, arch=%s, fio=%u.%u.%u\n",
766 probe->hostname, probe->bigendian, bit, os, arch,
767 probe->fio_major, probe->fio_minor, probe->fio_patch);
770 client->name = strdup((char *) probe->hostname);
773 static int handle_client(struct fio_client *client)
775 struct fio_net_cmd *cmd;
777 dprint(FD_NET, "client: handle %s\n", client->hostname);
779 cmd = fio_net_recv_cmd(client->fd);
783 dprint(FD_NET, "client: got cmd op %s from %s\n",
784 fio_server_op(cmd->opcode), client->hostname);
786 switch (cmd->opcode) {
787 case FIO_NET_CMD_QUIT:
788 remove_client(client);
791 case FIO_NET_CMD_TEXT: {
792 const char *buf = (const char *) cmd->payload;
796 name = client->name ? client->name : client->hostname;
798 if (!client->skip_newline)
799 fprintf(f_out, "<%s> ", name);
800 ret = fwrite(buf, cmd->pdu_len, 1, f_out);
802 client->skip_newline = strchr(buf, '\n') == NULL;
807 handle_du(client, cmd);
818 case FIO_NET_CMD_ETA:
819 remove_reply_cmd(client, cmd);
820 handle_eta(client, cmd);
823 case FIO_NET_CMD_PROBE:
824 remove_reply_cmd(client, cmd);
825 handle_probe(client, cmd);
828 case FIO_NET_CMD_RUN:
829 client->state = Client_running;
832 case FIO_NET_CMD_START:
833 client->state = Client_started;
836 case FIO_NET_CMD_STOP:
837 client->state = Client_stopped;
841 log_err("fio: unknown client op: %s\n", fio_server_op(cmd->opcode));
849 static void request_client_etas(void)
851 struct fio_client *client;
852 struct flist_head *entry;
853 struct client_eta *eta;
856 dprint(FD_NET, "client: request eta (%d)\n", nr_clients);
858 eta = malloc(sizeof(*eta));
859 memset(&eta->eta, 0, sizeof(eta->eta));
860 eta->pending = nr_clients;
862 flist_for_each(entry, &client_list) {
863 client = flist_entry(entry, struct fio_client, list);
865 if (!flist_empty(&client->eta_list)) {
869 if (client->state != Client_running)
872 assert(!client->eta_in_flight);
873 flist_add_tail(&client->eta_list, &eta_list);
874 client->eta_in_flight = eta;
875 fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_SEND_ETA,
876 (uintptr_t) eta, &client->cmd_list);
882 dprint(FD_NET, "client: requested eta tag %p\n", eta);
885 static int client_check_cmd_timeout(struct fio_client *client,
888 struct fio_net_int_cmd *cmd;
889 struct flist_head *entry, *tmp;
892 flist_for_each_safe(entry, tmp, &client->cmd_list) {
893 cmd = flist_entry(entry, struct fio_net_int_cmd, list);
895 if (mtime_since(&cmd->tv, now) < FIO_NET_CLIENT_TIMEOUT)
898 log_err("fio: client %s, timeout on cmd %s\n", client->hostname,
899 fio_server_op(cmd->cmd.opcode));
900 flist_del(&cmd->list);
905 return flist_empty(&client->cmd_list) && ret;
908 static int fio_client_timed_out(void)
910 struct fio_client *client;
911 struct flist_head *entry, *tmp;
915 gettimeofday(&tv, NULL);
917 flist_for_each_safe(entry, tmp, &client_list) {
918 client = flist_entry(entry, struct fio_client, list);
920 if (flist_empty(&client->cmd_list))
923 if (!client_check_cmd_timeout(client, &tv))
926 log_err("fio: client %s timed out\n", client->hostname);
927 remove_client(client);
934 int fio_handle_clients(void)
936 struct fio_client *client;
937 struct flist_head *entry;
941 gettimeofday(&eta_tv, NULL);
943 pfds = malloc(nr_clients * sizeof(struct pollfd));
945 sum_stat_clients = nr_clients;
946 init_thread_stat(&client_ts);
947 init_group_run_stat(&client_gs);
949 while (!exit_backend && nr_clients) {
951 flist_for_each(entry, &client_list) {
952 client = flist_entry(entry, struct fio_client, list);
954 pfds[i].fd = client->fd;
955 pfds[i].events = POLLIN;
959 assert(i == nr_clients);
964 gettimeofday(&tv, NULL);
965 if (mtime_since(&eta_tv, &tv) >= 900) {
966 request_client_etas();
967 memcpy(&eta_tv, &tv, sizeof(tv));
969 if (fio_client_timed_out())
973 ret = poll(pfds, nr_clients, 100);
977 log_err("fio: poll clients: %s\n", strerror(errno));
983 for (i = 0; i < nr_clients; i++) {
984 if (!(pfds[i].revents & POLLIN))
987 client = find_client_by_fd(pfds[i].fd);
989 log_err("fio: unknown client fd %d\n", pfds[i].fd);
992 if (!handle_client(client)) {
993 log_info("client: host=%s disconnected\n",
995 remove_client(client);