11 #include <sys/socket.h>
13 #include <netinet/in.h>
14 #include <arpa/inet.h>
24 struct flist_head list;
25 struct flist_head hash_list;
26 struct sockaddr_in addr;
27 struct sockaddr_un addr_un;
42 static struct jobs_eta client_etas;
43 static int received_etas;
53 static FLIST_HEAD(client_list);
55 #define FIO_CLIENT_HASH_BITS 7
56 #define FIO_CLIENT_HASH_SZ (1 << FIO_CLIENT_HASH_BITS)
57 #define FIO_CLIENT_HASH_MASK (FIO_CLIENT_HASH_SZ - 1)
58 static struct flist_head client_hash[FIO_CLIENT_HASH_SZ];
60 static int handle_client(struct fio_client *client);
62 static void fio_client_add_hash(struct fio_client *client)
64 int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS);
66 bucket &= FIO_CLIENT_HASH_MASK;
67 flist_add(&client->hash_list, &client_hash[bucket]);
70 static void fio_client_remove_hash(struct fio_client *client)
72 if (!flist_empty(&client->hash_list))
73 flist_del_init(&client->hash_list);
76 static void fio_init fio_client_hash_init(void)
80 for (i = 0; i < FIO_CLIENT_HASH_SZ; i++)
81 INIT_FLIST_HEAD(&client_hash[i]);
84 static struct fio_client *find_client_by_fd(int fd)
86 int bucket = hash_long(fd, FIO_CLIENT_HASH_BITS) & FIO_CLIENT_HASH_MASK;
87 struct fio_client *client;
88 struct flist_head *entry;
90 flist_for_each(entry, &client_hash[bucket]) {
91 client = flist_entry(entry, struct fio_client, hash_list);
100 static void remove_client(struct fio_client *client)
102 dprint(FD_NET, "client: removed <%s>\n", client->hostname);
103 flist_del(&client->list);
105 fio_client_remove_hash(client);
107 free(client->hostname);
117 static void __fio_client_add_cmd_option(struct fio_client *client,
122 index = client->argc++;
123 client->argv = realloc(client->argv, sizeof(char *) * client->argc);
124 client->argv[index] = strdup(opt);
125 dprint(FD_NET, "client: add cmd %d: %s\n", index, opt);
128 void fio_client_add_cmd_option(void *cookie, const char *opt)
130 struct fio_client *client = cookie;
135 __fio_client_add_cmd_option(client, opt);
138 int fio_client_add(const char *hostname, void **cookie)
140 struct fio_client *client;
142 client = malloc(sizeof(*client));
143 memset(client, 0, sizeof(*client));
145 INIT_FLIST_HEAD(&client->list);
146 INIT_FLIST_HEAD(&client->hash_list);
148 if (fio_server_parse_string(hostname, &client->hostname,
149 &client->is_sock, &client->port,
150 &client->addr.sin_addr))
155 __fio_client_add_cmd_option(client, "fio");
157 flist_add(&client->list, &client_list);
159 dprint(FD_NET, "client: added <%s>\n", client->hostname);
164 static int fio_client_connect_ip(struct fio_client *client)
168 client->addr.sin_family = AF_INET;
169 client->addr.sin_port = htons(client->port);
171 fd = socket(AF_INET, SOCK_STREAM, 0);
173 log_err("fio: socket: %s\n", strerror(errno));
177 if (connect(fd, (struct sockaddr *) &client->addr, sizeof(client->addr)) < 0) {
178 log_err("fio: connect: %s\n", strerror(errno));
179 log_err("fio: failed to connect to %s:%u\n", client->hostname,
188 static int fio_client_connect_sock(struct fio_client *client)
190 struct sockaddr_un *addr = &client->addr_un;
194 memset(addr, 0, sizeof(*addr));
195 addr->sun_family = AF_UNIX;
196 strcpy(addr->sun_path, client->hostname);
198 fd = socket(AF_UNIX, SOCK_STREAM, 0);
200 log_err("fio: socket: %s\n", strerror(errno));
204 len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1;
205 if (connect(fd, (struct sockaddr *) addr, len) < 0) {
206 log_err("fio: connect; %s\n", strerror(errno));
214 static int fio_client_connect(struct fio_client *client)
218 dprint(FD_NET, "client: connect to host %s\n", client->hostname);
221 fd = fio_client_connect_sock(client);
223 fd = fio_client_connect_ip(client);
229 fio_client_add_hash(client);
230 client->state = Client_connected;
234 void fio_clients_terminate(void)
236 struct flist_head *entry;
237 struct fio_client *client;
239 dprint(FD_NET, "client: terminate clients\n");
241 flist_for_each(entry, &client_list) {
242 client = flist_entry(entry, struct fio_client, list);
244 fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_QUIT, 0);
248 static void sig_int(int sig)
250 dprint(FD_NET, "client: got signal %d\n", sig);
251 fio_clients_terminate();
254 static void client_signal_handler(void)
256 struct sigaction act;
258 memset(&act, 0, sizeof(act));
259 act.sa_handler = sig_int;
260 act.sa_flags = SA_RESTART;
261 sigaction(SIGINT, &act, NULL);
263 memset(&act, 0, sizeof(act));
264 act.sa_handler = sig_int;
265 act.sa_flags = SA_RESTART;
266 sigaction(SIGTERM, &act, NULL);
269 static void probe_client(struct fio_client *client)
271 dprint(FD_NET, "client: send probe\n");
273 fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_PROBE, 0);
274 handle_client(client);
277 static int send_client_cmd_line(struct fio_client *client)
279 struct cmd_single_line_pdu *cslp;
280 struct cmd_line_pdu *clp;
281 unsigned long offset;
286 dprint(FD_NET, "client: send cmdline %d\n", client->argc);
289 * Find out how much mem we need
291 for (i = 0, mem = 0; i < client->argc; i++)
292 mem += strlen(client->argv[i]) + 1;
295 * We need one cmd_line_pdu, and argc number of cmd_single_line_pdu
297 mem += sizeof(*clp) + (client->argc * sizeof(*cslp));
301 offset = sizeof(*clp);
303 for (i = 0; i < client->argc; i++) {
304 uint16_t arg_len = strlen(client->argv[i]) + 1;
307 strcpy((char *) cslp->text, client->argv[i]);
308 cslp->len = cpu_to_le16(arg_len);
309 offset += sizeof(*cslp) + arg_len;
312 clp->lines = cpu_to_le16(client->argc);
313 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, mem);
318 int fio_clients_connect(void)
320 struct fio_client *client;
321 struct flist_head *entry, *tmp;
324 dprint(FD_NET, "client: connect all\n");
326 client_signal_handler();
328 flist_for_each_safe(entry, tmp, &client_list) {
329 client = flist_entry(entry, struct fio_client, list);
331 ret = fio_client_connect(client);
333 remove_client(client);
337 probe_client(client);
339 if (client->argc > 1)
340 send_client_cmd_line(client);
347 * Send file contents to server backend. We could use sendfile(), but to remain
348 * more portable lets just read/write the darn thing.
350 static int fio_client_send_ini(struct fio_client *client, const char *filename)
357 dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname);
359 fd = open(filename, O_RDONLY);
361 log_err("fio: job file <%s> open: %s\n", filename, strerror(errno));
365 if (fstat(fd, &sb) < 0) {
366 log_err("fio: job file stat: %s\n", strerror(errno));
371 buf = malloc(sb.st_size);
376 ret = read(fd, p, len);
385 else if (errno == EAGAIN || errno == EINTR)
390 log_err("fio: failed reading job file %s\n", filename);
396 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, buf, sb.st_size);
402 int fio_clients_send_ini(const char *filename)
404 struct fio_client *client;
405 struct flist_head *entry, *tmp;
407 flist_for_each_safe(entry, tmp, &client_list) {
408 client = flist_entry(entry, struct fio_client, list);
410 if (fio_client_send_ini(client, filename))
411 remove_client(client);
417 static void convert_io_stat(struct io_stat *dst, struct io_stat *src)
419 dst->max_val = le64_to_cpu(src->max_val);
420 dst->min_val = le64_to_cpu(src->min_val);
421 dst->samples = le64_to_cpu(src->samples);
424 * Floats arrive as IEEE 754 encoded uint64_t, convert back to double
426 dst->mean.u.f = fio_uint64_to_double(le64_to_cpu(dst->mean.u.i));
427 dst->S.u.f = fio_uint64_to_double(le64_to_cpu(dst->S.u.i));
430 static void convert_ts(struct thread_stat *dst, struct thread_stat *src)
434 dst->error = le32_to_cpu(src->error);
435 dst->groupid = le32_to_cpu(src->groupid);
436 dst->pid = le32_to_cpu(src->pid);
437 dst->members = le32_to_cpu(src->members);
439 for (i = 0; i < 2; i++) {
440 convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]);
441 convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]);
442 convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]);
443 convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]);
446 dst->usr_time = le64_to_cpu(src->usr_time);
447 dst->sys_time = le64_to_cpu(src->sys_time);
448 dst->ctx = le64_to_cpu(src->ctx);
449 dst->minf = le64_to_cpu(src->minf);
450 dst->majf = le64_to_cpu(src->majf);
451 dst->clat_percentiles = le64_to_cpu(src->clat_percentiles);
453 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
454 fio_fp64_t *fps = &src->percentile_list[i];
455 fio_fp64_t *fpd = &dst->percentile_list[i];
457 fpd->u.f = fio_uint64_to_double(le64_to_cpu(fps->u.i));
460 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
461 dst->io_u_map[i] = le32_to_cpu(src->io_u_map[i]);
462 dst->io_u_submit[i] = le32_to_cpu(src->io_u_submit[i]);
463 dst->io_u_complete[i] = le32_to_cpu(src->io_u_complete[i]);
466 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) {
467 dst->io_u_lat_u[i] = le32_to_cpu(src->io_u_lat_u[i]);
468 dst->io_u_lat_m[i] = le32_to_cpu(src->io_u_lat_m[i]);
471 for (i = 0; i < 2; i++)
472 for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
473 dst->io_u_plat[i][j] = le32_to_cpu(src->io_u_plat[i][j]);
475 for (i = 0; i < 3; i++) {
476 dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]);
477 dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]);
480 dst->total_submit = le64_to_cpu(src->total_submit);
481 dst->total_complete = le64_to_cpu(src->total_complete);
483 for (i = 0; i < 2; i++) {
484 dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]);
485 dst->runtime[i] = le64_to_cpu(src->runtime[i]);
488 dst->total_run_time = le64_to_cpu(src->total_run_time);
489 dst->continue_on_error = le16_to_cpu(src->continue_on_error);
490 dst->total_err_count = le64_to_cpu(src->total_err_count);
491 dst->first_error = le32_to_cpu(src->first_error);
492 dst->kb_base = le32_to_cpu(src->kb_base);
495 static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src)
499 for (i = 0; i < 2; i++) {
500 dst->max_run[i] = le64_to_cpu(src->max_run[i]);
501 dst->min_run[i] = le64_to_cpu(src->min_run[i]);
502 dst->max_bw[i] = le64_to_cpu(src->max_bw[i]);
503 dst->min_bw[i] = le64_to_cpu(src->min_bw[i]);
504 dst->io_kb[i] = le64_to_cpu(src->io_kb[i]);
505 dst->agg[i] = le64_to_cpu(src->agg[i]);
508 dst->kb_base = le32_to_cpu(src->kb_base);
509 dst->groupid = le32_to_cpu(src->groupid);
512 static void handle_ts(struct fio_net_cmd *cmd)
514 struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
516 convert_ts(&p->ts, &p->ts);
517 convert_gs(&p->rs, &p->rs);
519 show_thread_status(&p->ts, &p->rs);
522 static void handle_gs(struct fio_net_cmd *cmd)
524 struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
527 show_group_stats(gs);
530 static void convert_jobs_eta(struct jobs_eta *je)
534 je->nr_running = le32_to_cpu(je->nr_running);
535 je->nr_ramp = le32_to_cpu(je->nr_ramp);
536 je->nr_pending = le32_to_cpu(je->nr_pending);
537 je->files_open = le32_to_cpu(je->files_open);
538 je->m_rate = le32_to_cpu(je->m_rate);
539 je->t_rate = le32_to_cpu(je->t_rate);
540 je->m_iops = le32_to_cpu(je->m_iops);
541 je->t_iops = le32_to_cpu(je->t_iops);
543 for (i = 0; i < 2; i++) {
544 je->rate[i] = le32_to_cpu(je->rate[i]);
545 je->iops[i] = le32_to_cpu(je->iops[i]);
548 je->elapsed_sec = le64_to_cpu(je->elapsed_sec);
549 je->eta_sec = le64_to_cpu(je->eta_sec);
552 static void sum_jobs_eta(struct jobs_eta *je)
554 struct jobs_eta *dst = &client_etas;
557 dst->nr_running += je->nr_running;
558 dst->nr_ramp += je->nr_ramp;
559 dst->nr_pending += je->nr_pending;
560 dst->files_open += je->files_open;
561 dst->m_rate += je->m_rate;
562 dst->t_rate += je->t_rate;
563 dst->m_iops += je->m_iops;
564 dst->t_iops += je->t_iops;
566 for (i = 0; i < 2; i++) {
567 dst->rate[i] += je->rate[i];
568 dst->iops[i] += je->iops[i];
571 dst->elapsed_sec += je->elapsed_sec;
573 if (je->eta_sec > dst->eta_sec)
574 dst->eta_sec = je->eta_sec;
577 static void handle_eta(struct fio_net_cmd *cmd)
579 struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
581 convert_jobs_eta(je);
583 if (nr_clients > 1) {
586 if (received_etas == nr_clients) {
588 display_thread_status(&client_etas);
589 memset(&client_etas, 0, sizeof(client_etas));
592 display_thread_status(je);
595 static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd)
597 struct cmd_probe_pdu *probe = (struct cmd_probe_pdu *) cmd->payload;
598 const char *os, *arch;
600 os = fio_get_os_string(probe->os);
604 arch = fio_get_arch_string(probe->arch);
608 log_info("hostname=%s, be=%u, os=%s, arch=%s, fio=%u.%u.%u\n",
609 probe->hostname, probe->bigendian, os, arch, probe->fio_major,
610 probe->fio_minor, probe->fio_patch);
613 client->name = strdup((char *) probe->hostname);
616 static int handle_client(struct fio_client *client)
618 struct fio_net_cmd *cmd;
620 dprint(FD_NET, "client: handle %s\n", client->hostname);
622 cmd = fio_net_recv_cmd(client->fd);
626 dprint(FD_NET, "client: got cmd op %d from %s\n",
627 cmd->opcode, client->hostname);
629 switch (cmd->opcode) {
630 case FIO_NET_CMD_QUIT:
631 remove_client(client);
634 case FIO_NET_CMD_TEXT: {
635 const char *buf = (const char *) cmd->payload;
639 name = client->name ? client->name : client->hostname;
641 if (!client->skip_newline)
642 fprintf(f_out, "<%s> ", name);
643 ret = fwrite(buf, cmd->pdu_len, 1, f_out);
645 client->skip_newline = strchr(buf, '\n') == NULL;
657 case FIO_NET_CMD_ETA:
661 case FIO_NET_CMD_PROBE:
662 handle_probe(client, cmd);
665 case FIO_NET_CMD_START:
666 client->state = Client_started;
669 case FIO_NET_CMD_STOP:
670 client->state = Client_stopped;
674 log_err("fio: unknown client op: %d\n", cmd->opcode);
682 int fio_handle_clients(void)
684 struct fio_client *client;
685 struct flist_head *entry;
689 pfds = malloc(nr_clients * sizeof(struct pollfd));
691 while (!exit_backend && nr_clients) {
693 flist_for_each(entry, &client_list) {
694 client = flist_entry(entry, struct fio_client, list);
696 pfds[i].fd = client->fd;
697 pfds[i].events = POLLIN;
701 assert(i == nr_clients);
704 ret = poll(pfds, nr_clients, 100);
708 log_err("fio: poll clients: %s\n", strerror(errno));
714 for (i = 0; i < nr_clients; i++) {
715 if (!(pfds[i].revents & POLLIN))
718 client = find_client_by_fd(pfds[i].fd);
720 log_err("fio: unknown client fd %d\n", pfds[i].fd);
723 if (!handle_client(client)) {
724 log_info("client: host=%s disconnected\n",
726 remove_client(client);