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client: Fix a memory leak in an error path
[fio.git] / client.c
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1#include <stdio.h>
2#include <stdlib.h>
3#include <unistd.h>
4#include <errno.h>
5#include <fcntl.h>
6#include <poll.h>
7#include <sys/types.h>
8#include <sys/stat.h>
9#include <sys/socket.h>
10#include <sys/un.h>
11#include <netinet/in.h>
12#include <arpa/inet.h>
13#include <netdb.h>
14#include <signal.h>
15#ifdef CONFIG_ZLIB
16#include <zlib.h>
17#endif
18
19#include "fio.h"
20#include "client.h"
21#include "server.h"
22#include "flist.h"
23#include "hash.h"
24#include "verify-state.h"
25
26static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd);
27static void handle_ts(struct fio_client *client, struct fio_net_cmd *cmd);
28static void handle_gs(struct fio_client *client, struct fio_net_cmd *cmd);
29static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd);
30static void handle_text(struct fio_client *client, struct fio_net_cmd *cmd);
31static void handle_stop(struct fio_client *client);
32static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd);
33
34static void convert_text(struct fio_net_cmd *cmd);
35static void client_display_thread_status(struct jobs_eta *je);
36
37struct client_ops fio_client_ops = {
38 .text = handle_text,
39 .disk_util = handle_du,
40 .thread_status = handle_ts,
41 .group_stats = handle_gs,
42 .stop = handle_stop,
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,
48};
49
50static struct timespec eta_ts;
51
52static FLIST_HEAD(client_list);
53static FLIST_HEAD(eta_list);
54
55static FLIST_HEAD(arg_list);
56
57struct thread_stat client_ts;
58struct group_run_stats client_gs;
59int sum_stat_clients;
60
61static int sum_stat_nr;
62static struct buf_output allclients;
63static struct json_object *root = NULL;
64static struct json_object *job_opt_object = NULL;
65static struct json_array *clients_array = NULL;
66static struct json_array *du_array = NULL;
67
68static int error_clients;
69
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)
73static struct flist_head client_hash[FIO_CLIENT_HASH_SZ];
74
75static struct cmd_iolog_pdu *convert_iolog(struct fio_net_cmd *, bool *);
76
77static void fio_client_add_hash(struct fio_client *client)
78{
79 int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS);
80
81 bucket &= FIO_CLIENT_HASH_MASK;
82 flist_add(&client->hash_list, &client_hash[bucket]);
83}
84
85static void fio_client_remove_hash(struct fio_client *client)
86{
87 if (!flist_empty(&client->hash_list))
88 flist_del_init(&client->hash_list);
89}
90
91static void fio_init fio_client_hash_init(void)
92{
93 int i;
94
95 for (i = 0; i < FIO_CLIENT_HASH_SZ; i++)
96 INIT_FLIST_HEAD(&client_hash[i]);
97}
98
99static int read_data(int fd, void *data, size_t size)
100{
101 ssize_t ret;
102
103 while (size) {
104 ret = read(fd, data, size);
105 if (ret < 0) {
106 if (errno == EAGAIN || errno == EINTR)
107 continue;
108 break;
109 } else if (!ret)
110 break;
111 else {
112 data += ret;
113 size -= ret;
114 }
115 }
116
117 if (size)
118 return EAGAIN;
119
120 return 0;
121}
122
123static int read_ini_data(int fd, void *data, size_t size)
124{
125 char *p = data;
126 int ret = 0;
127 FILE *fp;
128 int dupfd;
129
130 dupfd = dup(fd);
131 if (dupfd < 0)
132 return errno;
133
134 fp = fdopen(dupfd, "r");
135 if (!fp) {
136 ret = errno;
137 close(dupfd);
138 goto out;
139 }
140
141 while (1) {
142 ssize_t len;
143 char buf[OPT_LEN_MAX+1], *sub;
144
145 if (!fgets(buf, sizeof(buf), fp)) {
146 if (ferror(fp)) {
147 if (errno == EAGAIN || errno == EINTR)
148 continue;
149 ret = errno;
150 }
151 break;
152 }
153
154 sub = fio_option_dup_subs(buf);
155 len = strlen(sub);
156 if (len + 1 > size) {
157 log_err("fio: no space left to read data\n");
158 free(sub);
159 ret = ENOSPC;
160 break;
161 }
162
163 memcpy(p, sub, len);
164 free(sub);
165 p += len;
166 *p = '\0';
167 size -= len;
168 }
169
170 fclose(fp);
171out:
172 return ret;
173}
174
175static void fio_client_json_init(void)
176{
177 char time_buf[32];
178 time_t time_p;
179
180 if (!(output_format & FIO_OUTPUT_JSON))
181 return;
182
183 time(&time_p);
184 os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
185 time_buf[strlen(time_buf) - 1] = '\0';
186
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);
191
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);
198}
199
200static void fio_client_json_fini(void)
201{
202 struct buf_output out;
203
204 if (!root)
205 return;
206
207 buf_output_init(&out);
208
209 __log_buf(&out, "\n");
210 json_print_object(root, &out);
211 __log_buf(&out, "\n");
212 log_info_buf(out.buf, out.buflen);
213
214 buf_output_free(&out);
215
216 json_free_object(root);
217 root = NULL;
218 job_opt_object = NULL;
219 clients_array = NULL;
220 du_array = NULL;
221}
222
223static struct fio_client *find_client_by_fd(int fd)
224{
225 int bucket = hash_long(fd, FIO_CLIENT_HASH_BITS) & FIO_CLIENT_HASH_MASK;
226 struct fio_client *client;
227 struct flist_head *entry;
228
229 flist_for_each(entry, &client_hash[bucket]) {
230 client = flist_entry(entry, struct fio_client, hash_list);
231
232 if (client->fd == fd) {
233 client->refs++;
234 return client;
235 }
236 }
237
238 return NULL;
239}
240
241void fio_put_client(struct fio_client *client)
242{
243 if (--client->refs)
244 return;
245
246 log_info_buf(client->buf.buf, client->buf.buflen);
247 buf_output_free(&client->buf);
248
249 free(client->hostname);
250 if (client->argv)
251 free(client->argv);
252 if (client->name)
253 free(client->name);
254 while (client->nr_files) {
255 struct client_file *cf = &client->files[--client->nr_files];
256
257 free(cf->file);
258 }
259 if (client->files)
260 free(client->files);
261 if (client->opt_lists)
262 free(client->opt_lists);
263
264 if (!client->did_stat)
265 sum_stat_clients--;
266
267 if (client->error)
268 error_clients++;
269
270 free(client);
271}
272
273static int fio_client_dec_jobs_eta(struct client_eta *eta, client_eta_op eta_fn)
274{
275 if (!--eta->pending) {
276 eta_fn(&eta->eta);
277 free(eta);
278 return 0;
279 }
280
281 return 1;
282}
283
284static void fio_drain_client_text(struct fio_client *client)
285{
286 do {
287 struct fio_net_cmd *cmd;
288
289 cmd = fio_net_recv_cmd(client->fd, false);
290 if (!cmd)
291 break;
292
293 if (cmd->opcode == FIO_NET_CMD_TEXT) {
294 convert_text(cmd);
295 client->ops->text(client, cmd);
296 }
297
298 free(cmd);
299 } while (1);
300}
301
302static void remove_client(struct fio_client *client)
303{
304 assert(client->refs);
305
306 dprint(FD_NET, "client: removed <%s>\n", client->hostname);
307
308 fio_drain_client_text(client);
309
310 if (!flist_empty(&client->list))
311 flist_del_init(&client->list);
312
313 fio_client_remove_hash(client);
314
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);
318 }
319
320 close(client->fd);
321 client->fd = -1;
322
323 if (client->ops->removed)
324 client->ops->removed(client);
325
326 nr_clients--;
327 fio_put_client(client);
328}
329
330struct fio_client *fio_get_client(struct fio_client *client)
331{
332 client->refs++;
333 return client;
334}
335
336static void __fio_client_add_cmd_option(struct fio_client *client,
337 const char *opt)
338{
339 int index;
340
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);
345}
346
347void fio_client_add_cmd_option(void *cookie, const char *opt)
348{
349 struct fio_client *client = cookie;
350 struct flist_head *entry;
351
352 if (!client || !opt)
353 return;
354
355 __fio_client_add_cmd_option(client, opt);
356
357 /*
358 * Duplicate arguments to shared client group
359 */
360 flist_for_each(entry, &arg_list) {
361 client = flist_entry(entry, struct fio_client, arg_list);
362
363 __fio_client_add_cmd_option(client, opt);
364 }
365}
366
367static struct fio_client *get_new_client(void)
368{
369 struct fio_client *client;
370
371 client = malloc(sizeof(*client));
372 memset(client, 0, sizeof(*client));
373
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);
379
380 buf_output_init(&client->buf);
381
382 return client;
383}
384
385struct fio_client *fio_client_add_explicit(struct client_ops *ops,
386 const char *hostname, int type,
387 int port)
388{
389 struct fio_client *client;
390
391 client = get_new_client();
392
393 client->hostname = strdup(hostname);
394
395 if (type == Fio_client_socket)
396 client->is_sock = true;
397 else {
398 int ipv6;
399
400 ipv6 = type == Fio_client_ipv6;
401 if (fio_server_parse_host(hostname, ipv6,
402 &client->addr.sin_addr,
403 &client->addr6.sin6_addr))
404 goto err;
405
406 client->port = port;
407 }
408
409 client->fd = -1;
410 client->ops = ops;
411 client->refs = 1;
412 client->type = ops->client_type;
413
414 __fio_client_add_cmd_option(client, "fio");
415
416 flist_add(&client->list, &client_list);
417 nr_clients++;
418 dprint(FD_NET, "client: added <%s>\n", client->hostname);
419 return client;
420err:
421 free(client);
422 return NULL;
423}
424
425int fio_client_add_ini_file(void *cookie, const char *ini_file, bool remote)
426{
427 struct fio_client *client = cookie;
428 struct client_file *cf;
429 size_t new_size;
430 void *new_files;
431
432 if (!client)
433 return 1;
434
435 dprint(FD_NET, "client <%s>: add ini %s\n", client->hostname, ini_file);
436
437 new_size = (client->nr_files + 1) * sizeof(struct client_file);
438 new_files = realloc(client->files, new_size);
439 if (!new_files)
440 return 1;
441
442 client->files = new_files;
443 cf = &client->files[client->nr_files];
444 cf->file = strdup(ini_file);
445 cf->remote = remote;
446 client->nr_files++;
447 return 0;
448}
449
450int fio_client_add(struct client_ops *ops, const char *hostname, void **cookie)
451{
452 struct fio_client *existing = *cookie;
453 struct fio_client *client;
454
455 if (existing) {
456 /*
457 * We always add our "exec" name as the option, hence 1
458 * means empty.
459 */
460 if (existing->argc == 1)
461 flist_add_tail(&existing->arg_list, &arg_list);
462 else {
463 while (!flist_empty(&arg_list))
464 flist_del_init(arg_list.next);
465 }
466 }
467
468 client = get_new_client();
469
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,
474 &client->ipv6)) {
475 fio_put_client(client);
476 return -1;
477 }
478
479 client->fd = -1;
480 client->ops = ops;
481 client->refs = 1;
482 client->type = ops->client_type;
483
484 __fio_client_add_cmd_option(client, "fio");
485
486 flist_add(&client->list, &client_list);
487 nr_clients++;
488 dprint(FD_NET, "client: added <%s>\n", client->hostname);
489 *cookie = client;
490 return 0;
491}
492
493static const char *server_name(struct fio_client *client, char *buf,
494 size_t bufsize)
495{
496 const char *from;
497
498 if (client->ipv6)
499 from = inet_ntop(AF_INET6, (struct sockaddr *) &client->addr6.sin6_addr, buf, bufsize);
500 else if (client->is_sock)
501 from = "sock";
502 else
503 from = inet_ntop(AF_INET, (struct sockaddr *) &client->addr.sin_addr, buf, bufsize);
504
505 return from;
506}
507
508static void probe_client(struct fio_client *client)
509{
510 struct cmd_client_probe_pdu pdu;
511 const char *sname;
512 uint64_t tag;
513 char buf[64];
514
515 dprint(FD_NET, "client: send probe\n");
516
517#ifdef CONFIG_ZLIB
518 pdu.flags = __le64_to_cpu(FIO_PROBE_FLAG_ZLIB);
519#else
520 pdu.flags = 0;
521#endif
522
523 sname = server_name(client, buf, sizeof(buf));
524 memset(pdu.server, 0, sizeof(pdu.server));
525 snprintf((char *) pdu.server, sizeof(pdu.server), "%s", sname);
526
527 fio_net_send_cmd(client->fd, FIO_NET_CMD_PROBE, &pdu, sizeof(pdu), &tag, &client->cmd_list);
528}
529
530static int fio_client_connect_ip(struct fio_client *client)
531{
532 struct sockaddr *addr;
533 socklen_t socklen;
534 int fd, domain;
535
536 if (client->ipv6) {
537 client->addr6.sin6_family = AF_INET6;
538 client->addr6.sin6_port = htons(client->port);
539 domain = AF_INET6;
540 addr = (struct sockaddr *) &client->addr6;
541 socklen = sizeof(client->addr6);
542 } else {
543 client->addr.sin_family = AF_INET;
544 client->addr.sin_port = htons(client->port);
545 domain = AF_INET;
546 addr = (struct sockaddr *) &client->addr;
547 socklen = sizeof(client->addr);
548 }
549
550 fd = socket(domain, SOCK_STREAM, 0);
551 if (fd < 0) {
552 int ret = -errno;
553
554 log_err("fio: socket: %s\n", strerror(errno));
555 return ret;
556 }
557
558 if (connect(fd, addr, socklen) < 0) {
559 int ret = -errno;
560
561 log_err("fio: connect: %s\n", strerror(errno));
562 log_err("fio: failed to connect to %s:%u\n", client->hostname,
563 client->port);
564 close(fd);
565 return ret;
566 }
567
568 return fd;
569}
570
571static int fio_client_connect_sock(struct fio_client *client)
572{
573 struct sockaddr_un *addr = &client->addr_un;
574 socklen_t len;
575 int fd;
576
577 memset(addr, 0, sizeof(*addr));
578 addr->sun_family = AF_UNIX;
579 snprintf(addr->sun_path, sizeof(addr->sun_path), "%s",
580 client->hostname);
581
582 fd = socket(AF_UNIX, SOCK_STREAM, 0);
583 if (fd < 0) {
584 int ret = -errno;
585
586 log_err("fio: socket: %s\n", strerror(errno));
587 return ret;
588 }
589
590 len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1;
591 if (connect(fd, (struct sockaddr *) addr, len) < 0) {
592 int ret = -errno;
593
594 log_err("fio: connect; %s\n", strerror(errno));
595 close(fd);
596 return ret;
597 }
598
599 return fd;
600}
601
602int fio_client_connect(struct fio_client *client)
603{
604 int fd;
605
606 dprint(FD_NET, "client: connect to host %s\n", client->hostname);
607
608 if (client->is_sock)
609 fd = fio_client_connect_sock(client);
610 else
611 fd = fio_client_connect_ip(client);
612
613 dprint(FD_NET, "client: %s connected %d\n", client->hostname, fd);
614
615 if (fd < 0)
616 return fd;
617
618 client->fd = fd;
619 fio_client_add_hash(client);
620 client->state = Client_connected;
621
622 probe_client(client);
623 return 0;
624}
625
626int fio_client_terminate(struct fio_client *client)
627{
628 return fio_net_send_quit(client->fd);
629}
630
631static void fio_clients_terminate(void)
632{
633 struct flist_head *entry;
634 struct fio_client *client;
635
636 dprint(FD_NET, "client: terminate clients\n");
637
638 flist_for_each(entry, &client_list) {
639 client = flist_entry(entry, struct fio_client, list);
640 fio_client_terminate(client);
641 }
642}
643
644static void sig_int(int sig)
645{
646 dprint(FD_NET, "client: got signal %d\n", sig);
647 fio_clients_terminate();
648}
649
650static void client_signal_handler(void)
651{
652 struct sigaction act;
653
654 memset(&act, 0, sizeof(act));
655 act.sa_handler = sig_int;
656 act.sa_flags = SA_RESTART;
657 sigaction(SIGINT, &act, NULL);
658
659 memset(&act, 0, sizeof(act));
660 act.sa_handler = sig_int;
661 act.sa_flags = SA_RESTART;
662 sigaction(SIGTERM, &act, NULL);
663
664/* Windows uses SIGBREAK as a quit signal from other applications */
665#ifdef WIN32
666 memset(&act, 0, sizeof(act));
667 act.sa_handler = sig_int;
668 act.sa_flags = SA_RESTART;
669 sigaction(SIGBREAK, &act, NULL);
670#endif
671
672 memset(&act, 0, sizeof(act));
673 act.sa_handler = sig_show_status;
674 act.sa_flags = SA_RESTART;
675 sigaction(SIGUSR1, &act, NULL);
676}
677
678static int send_client_cmd_line(struct fio_client *client)
679{
680 struct cmd_single_line_pdu *cslp;
681 struct cmd_line_pdu *clp;
682 unsigned long offset;
683 unsigned int *lens;
684 void *pdu;
685 size_t mem;
686 int i, ret;
687
688 dprint(FD_NET, "client: send cmdline %d\n", client->argc);
689
690 lens = malloc(client->argc * sizeof(unsigned int));
691
692 /*
693 * Find out how much mem we need
694 */
695 for (i = 0, mem = 0; i < client->argc; i++) {
696 lens[i] = strlen(client->argv[i]) + 1;
697 mem += lens[i];
698 }
699
700 /*
701 * We need one cmd_line_pdu, and argc number of cmd_single_line_pdu
702 */
703 mem += sizeof(*clp) + (client->argc * sizeof(*cslp));
704
705 pdu = malloc(mem);
706 clp = pdu;
707 offset = sizeof(*clp);
708
709 for (i = 0; i < client->argc; i++) {
710 uint16_t arg_len = lens[i];
711
712 cslp = pdu + offset;
713 strcpy((char *) cslp->text, client->argv[i]);
714 cslp->len = cpu_to_le16(arg_len);
715 offset += sizeof(*cslp) + arg_len;
716 }
717
718 free(lens);
719 clp->lines = cpu_to_le16(client->argc);
720 clp->client_type = __cpu_to_le16(client->type);
721 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, mem, NULL, NULL);
722 free(pdu);
723 return ret;
724}
725
726int fio_clients_connect(void)
727{
728 struct fio_client *client;
729 struct flist_head *entry, *tmp;
730 int ret;
731
732#ifdef WIN32
733 WSADATA wsd;
734 WSAStartup(MAKEWORD(2, 2), &wsd);
735#endif
736
737 dprint(FD_NET, "client: connect all\n");
738
739 client_signal_handler();
740
741 flist_for_each_safe(entry, tmp, &client_list) {
742 client = flist_entry(entry, struct fio_client, list);
743
744 ret = fio_client_connect(client);
745 if (ret) {
746 remove_client(client);
747 continue;
748 }
749
750 if (client->argc > 1)
751 send_client_cmd_line(client);
752 }
753
754 return !nr_clients;
755}
756
757int fio_start_client(struct fio_client *client)
758{
759 dprint(FD_NET, "client: start %s\n", client->hostname);
760 return fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_RUN, 0, NULL);
761}
762
763int fio_start_all_clients(void)
764{
765 struct fio_client *client;
766 struct flist_head *entry, *tmp;
767 int ret;
768
769 dprint(FD_NET, "client: start all\n");
770
771 fio_client_json_init();
772
773 flist_for_each_safe(entry, tmp, &client_list) {
774 client = flist_entry(entry, struct fio_client, list);
775
776 ret = fio_start_client(client);
777 if (ret) {
778 remove_client(client);
779 continue;
780 }
781 }
782
783 return flist_empty(&client_list);
784}
785
786static int __fio_client_send_remote_ini(struct fio_client *client,
787 const char *filename)
788{
789 struct cmd_load_file_pdu *pdu;
790 size_t p_size;
791 int ret;
792
793 dprint(FD_NET, "send remote ini %s to %s\n", filename, client->hostname);
794
795 p_size = sizeof(*pdu) + strlen(filename) + 1;
796 pdu = malloc(p_size);
797 memset(pdu, 0, p_size);
798 pdu->name_len = strlen(filename);
799 strcpy((char *) pdu->file, filename);
800 pdu->client_type = cpu_to_le16((uint16_t) client->type);
801
802 client->sent_job = true;
803 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_LOAD_FILE, pdu, p_size,NULL, NULL);
804 free(pdu);
805 return ret;
806}
807
808/*
809 * Send file contents to server backend. We could use sendfile(), but to remain
810 * more portable lets just read/write the darn thing.
811 */
812static int __fio_client_send_local_ini(struct fio_client *client,
813 const char *filename)
814{
815 struct cmd_job_pdu *pdu;
816 size_t p_size;
817 struct stat sb;
818 char *p;
819 void *buf;
820 off_t len;
821 int fd, ret;
822
823 dprint(FD_NET, "send ini %s to %s\n", filename, client->hostname);
824
825 fd = open(filename, O_RDONLY);
826 if (fd < 0) {
827 ret = -errno;
828 log_err("fio: job file <%s> open: %s\n", filename, strerror(errno));
829 return ret;
830 }
831
832 if (fstat(fd, &sb) < 0) {
833 ret = -errno;
834 log_err("fio: job file stat: %s\n", strerror(errno));
835 close(fd);
836 return ret;
837 }
838
839 /*
840 * Add extra space for variable expansion, but doesn't guarantee.
841 */
842 sb.st_size += OPT_LEN_MAX;
843 p_size = sb.st_size + sizeof(*pdu);
844 pdu = malloc(p_size);
845 buf = pdu->buf;
846
847 len = sb.st_size;
848 p = buf;
849 if (read_ini_data(fd, p, len)) {
850 log_err("fio: failed reading job file %s\n", filename);
851 close(fd);
852 free(pdu);
853 return 1;
854 }
855
856 pdu->buf_len = __cpu_to_le32(sb.st_size);
857 pdu->client_type = cpu_to_le32(client->type);
858
859 client->sent_job = true;
860 ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, pdu, p_size, NULL, NULL);
861 free(pdu);
862 close(fd);
863 return ret;
864}
865
866int fio_client_send_ini(struct fio_client *client, const char *filename,
867 bool remote)
868{
869 int ret;
870
871 if (!remote)
872 ret = __fio_client_send_local_ini(client, filename);
873 else
874 ret = __fio_client_send_remote_ini(client, filename);
875
876 if (!ret)
877 client->sent_job = true;
878
879 return ret;
880}
881
882static int fio_client_send_cf(struct fio_client *client,
883 struct client_file *cf)
884{
885 return fio_client_send_ini(client, cf->file, cf->remote);
886}
887
888int fio_clients_send_ini(const char *filename)
889{
890 struct fio_client *client;
891 struct flist_head *entry, *tmp;
892
893 flist_for_each_safe(entry, tmp, &client_list) {
894 bool failed = false;
895
896 client = flist_entry(entry, struct fio_client, list);
897
898 if (client->nr_files) {
899 int i;
900
901 for (i = 0; i < client->nr_files; i++) {
902 struct client_file *cf;
903
904 cf = &client->files[i];
905
906 if (fio_client_send_cf(client, cf)) {
907 failed = true;
908 remove_client(client);
909 break;
910 }
911 }
912 }
913 if (client->sent_job || failed)
914 continue;
915 if (!filename || fio_client_send_ini(client, filename, 0))
916 remove_client(client);
917 }
918
919 return !nr_clients;
920}
921
922int fio_client_update_options(struct fio_client *client,
923 struct thread_options *o, uint64_t *tag)
924{
925 struct cmd_add_job_pdu pdu;
926
927 pdu.thread_number = cpu_to_le32(client->thread_number);
928 pdu.groupid = cpu_to_le32(client->groupid);
929 convert_thread_options_to_net(&pdu.top, o);
930
931 return fio_net_send_cmd(client->fd, FIO_NET_CMD_UPDATE_JOB, &pdu, sizeof(pdu), tag, &client->cmd_list);
932}
933
934static void convert_io_stat(struct io_stat *dst, struct io_stat *src)
935{
936 dst->max_val = le64_to_cpu(src->max_val);
937 dst->min_val = le64_to_cpu(src->min_val);
938 dst->samples = le64_to_cpu(src->samples);
939
940 /*
941 * Floats arrive as IEEE 754 encoded uint64_t, convert back to double
942 */
943 dst->mean.u.f = fio_uint64_to_double(le64_to_cpu(dst->mean.u.i));
944 dst->S.u.f = fio_uint64_to_double(le64_to_cpu(dst->S.u.i));
945}
946
947static void convert_ts(struct thread_stat *dst, struct thread_stat *src)
948{
949 int i, j, k;
950
951 dst->error = le32_to_cpu(src->error);
952 dst->thread_number = le32_to_cpu(src->thread_number);
953 dst->groupid = le32_to_cpu(src->groupid);
954 dst->pid = le32_to_cpu(src->pid);
955 dst->members = le32_to_cpu(src->members);
956 dst->unified_rw_rep = le32_to_cpu(src->unified_rw_rep);
957
958 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
959 convert_io_stat(&dst->clat_stat[i], &src->clat_stat[i]);
960 convert_io_stat(&dst->slat_stat[i], &src->slat_stat[i]);
961 convert_io_stat(&dst->lat_stat[i], &src->lat_stat[i]);
962 convert_io_stat(&dst->bw_stat[i], &src->bw_stat[i]);
963 convert_io_stat(&dst->iops_stat[i], &src->iops_stat[i]);
964 }
965 convert_io_stat(&dst->sync_stat, &src->sync_stat);
966
967 dst->usr_time = le64_to_cpu(src->usr_time);
968 dst->sys_time = le64_to_cpu(src->sys_time);
969 dst->ctx = le64_to_cpu(src->ctx);
970 dst->minf = le64_to_cpu(src->minf);
971 dst->majf = le64_to_cpu(src->majf);
972 dst->clat_percentiles = le32_to_cpu(src->clat_percentiles);
973 dst->lat_percentiles = le32_to_cpu(src->lat_percentiles);
974 dst->slat_percentiles = le32_to_cpu(src->slat_percentiles);
975 dst->percentile_precision = le64_to_cpu(src->percentile_precision);
976
977 for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
978 fio_fp64_t *fps = &src->percentile_list[i];
979 fio_fp64_t *fpd = &dst->percentile_list[i];
980
981 fpd->u.f = fio_uint64_to_double(le64_to_cpu(fps->u.i));
982 }
983
984 for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
985 dst->io_u_map[i] = le64_to_cpu(src->io_u_map[i]);
986 dst->io_u_submit[i] = le64_to_cpu(src->io_u_submit[i]);
987 dst->io_u_complete[i] = le64_to_cpu(src->io_u_complete[i]);
988 }
989
990 for (i = 0; i < FIO_IO_U_LAT_N_NR; i++)
991 dst->io_u_lat_n[i] = le64_to_cpu(src->io_u_lat_n[i]);
992 for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
993 dst->io_u_lat_u[i] = le64_to_cpu(src->io_u_lat_u[i]);
994 for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
995 dst->io_u_lat_m[i] = le64_to_cpu(src->io_u_lat_m[i]);
996
997 for (i = 0; i < FIO_LAT_CNT; i++)
998 for (j = 0; j < DDIR_RWDIR_CNT; j++)
999 for (k = 0; k < FIO_IO_U_PLAT_NR; k++)
1000 dst->io_u_plat[i][j][k] = le64_to_cpu(src->io_u_plat[i][j][k]);
1001
1002 for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
1003 dst->io_u_sync_plat[j] = le64_to_cpu(src->io_u_sync_plat[j]);
1004
1005 for (i = 0; i < DDIR_RWDIR_SYNC_CNT; i++)
1006 dst->total_io_u[i] = le64_to_cpu(src->total_io_u[i]);
1007
1008 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1009 dst->short_io_u[i] = le64_to_cpu(src->short_io_u[i]);
1010 dst->drop_io_u[i] = le64_to_cpu(src->drop_io_u[i]);
1011 }
1012
1013 dst->total_submit = le64_to_cpu(src->total_submit);
1014 dst->total_complete = le64_to_cpu(src->total_complete);
1015 dst->nr_zone_resets = le64_to_cpu(src->nr_zone_resets);
1016
1017 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1018 dst->io_bytes[i] = le64_to_cpu(src->io_bytes[i]);
1019 dst->runtime[i] = le64_to_cpu(src->runtime[i]);
1020 }
1021
1022 dst->total_run_time = le64_to_cpu(src->total_run_time);
1023 dst->continue_on_error = le16_to_cpu(src->continue_on_error);
1024 dst->total_err_count = le64_to_cpu(src->total_err_count);
1025 dst->first_error = le32_to_cpu(src->first_error);
1026 dst->kb_base = le32_to_cpu(src->kb_base);
1027 dst->unit_base = le32_to_cpu(src->unit_base);
1028
1029 dst->sig_figs = le32_to_cpu(src->sig_figs);
1030
1031 dst->latency_depth = le32_to_cpu(src->latency_depth);
1032 dst->latency_target = le64_to_cpu(src->latency_target);
1033 dst->latency_window = le64_to_cpu(src->latency_window);
1034 dst->latency_percentile.u.f = fio_uint64_to_double(le64_to_cpu(src->latency_percentile.u.i));
1035
1036 dst->nr_block_infos = le64_to_cpu(src->nr_block_infos);
1037 for (i = 0; i < dst->nr_block_infos; i++)
1038 dst->block_infos[i] = le32_to_cpu(src->block_infos[i]);
1039 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1040 for (j = 0; j < FIO_IO_U_PLAT_NR; j++) {
1041 dst->io_u_plat_high_prio[i][j] = le64_to_cpu(src->io_u_plat_high_prio[i][j]);
1042 dst->io_u_plat_low_prio[i][j] = le64_to_cpu(src->io_u_plat_low_prio[i][j]);
1043 }
1044 convert_io_stat(&dst->clat_high_prio_stat[i], &src->clat_high_prio_stat[i]);
1045 convert_io_stat(&dst->clat_low_prio_stat[i], &src->clat_low_prio_stat[i]);
1046 }
1047
1048 dst->ss_dur = le64_to_cpu(src->ss_dur);
1049 dst->ss_state = le32_to_cpu(src->ss_state);
1050 dst->ss_head = le32_to_cpu(src->ss_head);
1051 dst->ss_limit.u.f = fio_uint64_to_double(le64_to_cpu(src->ss_limit.u.i));
1052 dst->ss_slope.u.f = fio_uint64_to_double(le64_to_cpu(src->ss_slope.u.i));
1053 dst->ss_deviation.u.f = fio_uint64_to_double(le64_to_cpu(src->ss_deviation.u.i));
1054 dst->ss_criterion.u.f = fio_uint64_to_double(le64_to_cpu(src->ss_criterion.u.i));
1055
1056 if (dst->ss_state & FIO_SS_DATA) {
1057 for (i = 0; i < dst->ss_dur; i++ ) {
1058 dst->ss_iops_data[i] = le64_to_cpu(src->ss_iops_data[i]);
1059 dst->ss_bw_data[i] = le64_to_cpu(src->ss_bw_data[i]);
1060 }
1061 }
1062
1063 dst->cachehit = le64_to_cpu(src->cachehit);
1064 dst->cachemiss = le64_to_cpu(src->cachemiss);
1065}
1066
1067static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src)
1068{
1069 int i;
1070
1071 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1072 dst->max_run[i] = le64_to_cpu(src->max_run[i]);
1073 dst->min_run[i] = le64_to_cpu(src->min_run[i]);
1074 dst->max_bw[i] = le64_to_cpu(src->max_bw[i]);
1075 dst->min_bw[i] = le64_to_cpu(src->min_bw[i]);
1076 dst->iobytes[i] = le64_to_cpu(src->iobytes[i]);
1077 dst->agg[i] = le64_to_cpu(src->agg[i]);
1078 }
1079
1080 dst->kb_base = le32_to_cpu(src->kb_base);
1081 dst->unit_base = le32_to_cpu(src->unit_base);
1082 dst->sig_figs = le32_to_cpu(src->sig_figs);
1083 dst->groupid = le32_to_cpu(src->groupid);
1084 dst->unified_rw_rep = le32_to_cpu(src->unified_rw_rep);
1085}
1086
1087static void json_object_add_client_info(struct json_object *obj,
1088 struct fio_client *client)
1089{
1090 const char *hostname = client->hostname ? client->hostname : "";
1091
1092 json_object_add_value_string(obj, "hostname", hostname);
1093 json_object_add_value_int(obj, "port", client->port);
1094}
1095
1096static void handle_ts(struct fio_client *client, struct fio_net_cmd *cmd)
1097{
1098 struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
1099 struct flist_head *opt_list = NULL;
1100 struct json_object *tsobj;
1101
1102 if (client->opt_lists && p->ts.thread_number <= client->jobs)
1103 opt_list = &client->opt_lists[p->ts.thread_number - 1];
1104
1105 tsobj = show_thread_status(&p->ts, &p->rs, opt_list, &client->buf);
1106 client->did_stat = true;
1107 if (tsobj) {
1108 json_object_add_client_info(tsobj, client);
1109 json_array_add_value_object(clients_array, tsobj);
1110 }
1111
1112 if (sum_stat_clients <= 1)
1113 return;
1114
1115 sum_thread_stats(&client_ts, &p->ts, sum_stat_nr == 1);
1116 sum_group_stats(&client_gs, &p->rs);
1117
1118 client_ts.members++;
1119 client_ts.thread_number = p->ts.thread_number;
1120 client_ts.groupid = p->ts.groupid;
1121 client_ts.unified_rw_rep = p->ts.unified_rw_rep;
1122 client_ts.sig_figs = p->ts.sig_figs;
1123
1124 if (++sum_stat_nr == sum_stat_clients) {
1125 strcpy(client_ts.name, "All clients");
1126 tsobj = show_thread_status(&client_ts, &client_gs, NULL, &allclients);
1127 if (tsobj) {
1128 json_object_add_client_info(tsobj, client);
1129 json_array_add_value_object(clients_array, tsobj);
1130 }
1131 }
1132}
1133
1134static void handle_gs(struct fio_client *client, struct fio_net_cmd *cmd)
1135{
1136 struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
1137
1138 if (output_format & FIO_OUTPUT_NORMAL)
1139 show_group_stats(gs, &client->buf);
1140}
1141
1142static void handle_job_opt(struct fio_client *client, struct fio_net_cmd *cmd)
1143{
1144 struct cmd_job_option *pdu = (struct cmd_job_option *) cmd->payload;
1145 struct print_option *p;
1146
1147 if (!job_opt_object)
1148 return;
1149
1150 pdu->global = le16_to_cpu(pdu->global);
1151 pdu->truncated = le16_to_cpu(pdu->truncated);
1152 pdu->groupid = le32_to_cpu(pdu->groupid);
1153
1154 p = malloc(sizeof(*p));
1155 p->name = strdup((char *) pdu->name);
1156 if (pdu->value[0] != '\0')
1157 p->value = strdup((char *) pdu->value);
1158 else
1159 p->value = NULL;
1160
1161 if (pdu->global) {
1162 const char *pos = "";
1163
1164 if (p->value)
1165 pos = p->value;
1166
1167 json_object_add_value_string(job_opt_object, p->name, pos);
1168 } else if (client->opt_lists) {
1169 struct flist_head *opt_list = &client->opt_lists[pdu->groupid];
1170
1171 flist_add_tail(&p->list, opt_list);
1172 } else {
1173 free(p->value);
1174 free(p->name);
1175 free(p);
1176 }
1177}
1178
1179static void handle_text(struct fio_client *client, struct fio_net_cmd *cmd)
1180{
1181 struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmd->payload;
1182 const char *buf = (const char *) pdu->buf;
1183 const char *name;
1184 int fio_unused ret;
1185 struct buf_output out;
1186
1187 buf_output_init(&out);
1188
1189 name = client->name ? client->name : client->hostname;
1190
1191 if (!client->skip_newline && !(output_format & FIO_OUTPUT_TERSE))
1192 __log_buf(&out, "<%s> ", name);
1193 __log_buf(&out, "%s", buf);
1194 log_info_buf(out.buf, out.buflen);
1195 buf_output_free(&out);
1196 client->skip_newline = strchr(buf, '\n') == NULL;
1197}
1198
1199static void convert_agg(struct disk_util_agg *agg)
1200{
1201 int i;
1202
1203 for (i = 0; i < 2; i++) {
1204 agg->ios[i] = le64_to_cpu(agg->ios[i]);
1205 agg->merges[i] = le64_to_cpu(agg->merges[i]);
1206 agg->sectors[i] = le64_to_cpu(agg->sectors[i]);
1207 agg->ticks[i] = le64_to_cpu(agg->ticks[i]);
1208 }
1209
1210 agg->io_ticks = le64_to_cpu(agg->io_ticks);
1211 agg->time_in_queue = le64_to_cpu(agg->time_in_queue);
1212 agg->slavecount = le32_to_cpu(agg->slavecount);
1213 agg->max_util.u.f = fio_uint64_to_double(le64_to_cpu(agg->max_util.u.i));
1214}
1215
1216static void convert_dus(struct disk_util_stat *dus)
1217{
1218 int i;
1219
1220 for (i = 0; i < 2; i++) {
1221 dus->s.ios[i] = le64_to_cpu(dus->s.ios[i]);
1222 dus->s.merges[i] = le64_to_cpu(dus->s.merges[i]);
1223 dus->s.sectors[i] = le64_to_cpu(dus->s.sectors[i]);
1224 dus->s.ticks[i] = le64_to_cpu(dus->s.ticks[i]);
1225 }
1226
1227 dus->s.io_ticks = le64_to_cpu(dus->s.io_ticks);
1228 dus->s.time_in_queue = le64_to_cpu(dus->s.time_in_queue);
1229 dus->s.msec = le64_to_cpu(dus->s.msec);
1230}
1231
1232static void handle_du(struct fio_client *client, struct fio_net_cmd *cmd)
1233{
1234 struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload;
1235
1236 if (!client->disk_stats_shown)
1237 client->disk_stats_shown = true;
1238
1239 if (output_format & FIO_OUTPUT_JSON) {
1240 struct json_object *duobj;
1241
1242 json_array_add_disk_util(&du->dus, &du->agg, du_array);
1243 duobj = json_array_last_value_object(du_array);
1244 json_object_add_client_info(duobj, client);
1245 }
1246 if (output_format & FIO_OUTPUT_NORMAL) {
1247 __log_buf(&client->buf, "\nDisk stats (read/write):\n");
1248 print_disk_util(&du->dus, &du->agg, 0, &client->buf);
1249 }
1250 if (output_format & FIO_OUTPUT_TERSE && terse_version >= 3) {
1251 print_disk_util(&du->dus, &du->agg, 1, &client->buf);
1252 __log_buf(&client->buf, "\n");
1253 }
1254}
1255
1256static void convert_jobs_eta(struct jobs_eta *je)
1257{
1258 int i;
1259
1260 je->nr_running = le32_to_cpu(je->nr_running);
1261 je->nr_ramp = le32_to_cpu(je->nr_ramp);
1262 je->nr_pending = le32_to_cpu(je->nr_pending);
1263 je->nr_setting_up = le32_to_cpu(je->nr_setting_up);
1264 je->files_open = le32_to_cpu(je->files_open);
1265
1266 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1267 je->m_rate[i] = le64_to_cpu(je->m_rate[i]);
1268 je->t_rate[i] = le64_to_cpu(je->t_rate[i]);
1269 je->m_iops[i] = le32_to_cpu(je->m_iops[i]);
1270 je->t_iops[i] = le32_to_cpu(je->t_iops[i]);
1271 je->rate[i] = le64_to_cpu(je->rate[i]);
1272 je->iops[i] = le32_to_cpu(je->iops[i]);
1273 }
1274
1275 je->elapsed_sec = le64_to_cpu(je->elapsed_sec);
1276 je->eta_sec = le64_to_cpu(je->eta_sec);
1277 je->nr_threads = le32_to_cpu(je->nr_threads);
1278 je->is_pow2 = le32_to_cpu(je->is_pow2);
1279 je->unit_base = le32_to_cpu(je->unit_base);
1280 je->sig_figs = le32_to_cpu(je->sig_figs);
1281}
1282
1283void fio_client_sum_jobs_eta(struct jobs_eta *dst, struct jobs_eta *je)
1284{
1285 int i;
1286
1287 dst->nr_running += je->nr_running;
1288 dst->nr_ramp += je->nr_ramp;
1289 dst->nr_pending += je->nr_pending;
1290 dst->nr_setting_up += je->nr_setting_up;
1291 dst->files_open += je->files_open;
1292
1293 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
1294 dst->m_rate[i] += je->m_rate[i];
1295 dst->t_rate[i] += je->t_rate[i];
1296 dst->m_iops[i] += je->m_iops[i];
1297 dst->t_iops[i] += je->t_iops[i];
1298 dst->rate[i] += je->rate[i];
1299 dst->iops[i] += je->iops[i];
1300 }
1301
1302 dst->elapsed_sec += je->elapsed_sec;
1303
1304 if (je->eta_sec > dst->eta_sec)
1305 dst->eta_sec = je->eta_sec;
1306
1307 dst->nr_threads += je->nr_threads;
1308
1309 /*
1310 * This wont be correct for multiple strings, but at least it
1311 * works for the basic cases.
1312 */
1313 strcpy((char *) dst->run_str, (char *) je->run_str);
1314}
1315
1316static bool remove_reply_cmd(struct fio_client *client, struct fio_net_cmd *cmd)
1317{
1318 struct fio_net_cmd_reply *reply = NULL;
1319 struct flist_head *entry;
1320
1321 flist_for_each(entry, &client->cmd_list) {
1322 reply = flist_entry(entry, struct fio_net_cmd_reply, list);
1323
1324 if (cmd->tag == (uintptr_t) reply)
1325 break;
1326
1327 reply = NULL;
1328 }
1329
1330 if (!reply) {
1331 log_err("fio: client: unable to find matching tag (%llx)\n", (unsigned long long) cmd->tag);
1332 return false;
1333 }
1334
1335 flist_del(&reply->list);
1336 cmd->tag = reply->saved_tag;
1337 free(reply);
1338 return true;
1339}
1340
1341int fio_client_wait_for_reply(struct fio_client *client, uint64_t tag)
1342{
1343 do {
1344 struct fio_net_cmd_reply *reply = NULL;
1345 struct flist_head *entry;
1346
1347 flist_for_each(entry, &client->cmd_list) {
1348 reply = flist_entry(entry, struct fio_net_cmd_reply, list);
1349
1350 if (tag == (uintptr_t) reply)
1351 break;
1352
1353 reply = NULL;
1354 }
1355
1356 if (!reply)
1357 break;
1358
1359 usleep(1000);
1360 } while (1);
1361
1362 return 0;
1363}
1364
1365static void handle_eta(struct fio_client *client, struct fio_net_cmd *cmd)
1366{
1367 struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
1368 struct client_eta *eta = (struct client_eta *) (uintptr_t) cmd->tag;
1369
1370 dprint(FD_NET, "client: got eta tag %p, %d\n", eta, eta->pending);
1371
1372 assert(client->eta_in_flight == eta);
1373
1374 client->eta_in_flight = NULL;
1375 flist_del_init(&client->eta_list);
1376 client->eta_timeouts = 0;
1377
1378 if (client->ops->jobs_eta)
1379 client->ops->jobs_eta(client, je);
1380
1381 fio_client_sum_jobs_eta(&eta->eta, je);
1382 fio_client_dec_jobs_eta(eta, client->ops->eta);
1383}
1384
1385static void client_flush_hist_samples(FILE *f, int hist_coarseness, void *samples,
1386 uint64_t sample_size)
1387{
1388 struct io_sample *s;
1389 int log_offset;
1390 uint64_t i, j, nr_samples;
1391 struct io_u_plat_entry *entry;
1392 uint64_t *io_u_plat;
1393
1394 int stride = 1 << hist_coarseness;
1395
1396 if (!sample_size)
1397 return;
1398
1399 s = __get_sample(samples, 0, 0);
1400 log_offset = (s->__ddir & LOG_OFFSET_SAMPLE_BIT) != 0;
1401
1402 nr_samples = sample_size / __log_entry_sz(log_offset);
1403
1404 for (i = 0; i < nr_samples; i++) {
1405
1406 s = (struct io_sample *)((char *)__get_sample(samples, log_offset, i) +
1407 i * sizeof(struct io_u_plat_entry));
1408
1409 entry = s->data.plat_entry;
1410 io_u_plat = entry->io_u_plat;
1411
1412 fprintf(f, "%lu, %u, %llu, ", (unsigned long) s->time,
1413 io_sample_ddir(s), (unsigned long long) s->bs);
1414 for (j = 0; j < FIO_IO_U_PLAT_NR - stride; j += stride) {
1415 fprintf(f, "%llu, ", (unsigned long long)hist_sum(j, stride, io_u_plat, NULL));
1416 }
1417 fprintf(f, "%llu\n", (unsigned long long)
1418 hist_sum(FIO_IO_U_PLAT_NR - stride, stride, io_u_plat, NULL));
1419
1420 }
1421}
1422
1423static int fio_client_handle_iolog(struct fio_client *client,
1424 struct fio_net_cmd *cmd)
1425{
1426 struct cmd_iolog_pdu *pdu = NULL;
1427 bool store_direct;
1428 char *log_pathname = NULL;
1429 int ret = 0;
1430
1431 pdu = convert_iolog(cmd, &store_direct);
1432 if (!pdu) {
1433 log_err("fio: failed converting IO log\n");
1434 ret = 1;
1435 goto out;
1436 }
1437
1438 /* allocate buffer big enough for next sprintf() call */
1439 log_pathname = malloc(10 + strlen((char *)pdu->name) +
1440 strlen(client->hostname));
1441 if (!log_pathname) {
1442 log_err("fio: memory allocation of unique pathname failed\n");
1443 ret = -1;
1444 goto out;
1445 }
1446 /* generate a unique pathname for the log file using hostname */
1447 sprintf(log_pathname, "%s.%s", pdu->name, client->hostname);
1448
1449 if (store_direct) {
1450 ssize_t wrote;
1451 size_t sz;
1452 int fd;
1453
1454 fd = open((const char *) log_pathname,
1455 O_WRONLY | O_CREAT | O_TRUNC, 0644);
1456 if (fd < 0) {
1457 log_err("fio: open log %s: %s\n",
1458 log_pathname, strerror(errno));
1459 ret = 1;
1460 goto out;
1461 }
1462
1463 sz = cmd->pdu_len - sizeof(*pdu);
1464 wrote = write(fd, pdu->samples, sz);
1465 close(fd);
1466
1467 if (wrote != sz) {
1468 log_err("fio: short write on compressed log\n");
1469 ret = 1;
1470 goto out;
1471 }
1472
1473 ret = 0;
1474 } else {
1475 FILE *f;
1476 f = fopen((const char *) log_pathname, "w");
1477 if (!f) {
1478 log_err("fio: fopen log %s : %s\n",
1479 log_pathname, strerror(errno));
1480 ret = 1;
1481 goto out;
1482 }
1483
1484 if (pdu->log_type == IO_LOG_TYPE_HIST) {
1485 client_flush_hist_samples(f, pdu->log_hist_coarseness, pdu->samples,
1486 pdu->nr_samples * sizeof(struct io_sample));
1487 } else {
1488 flush_samples(f, pdu->samples,
1489 pdu->nr_samples * sizeof(struct io_sample));
1490 }
1491 fclose(f);
1492 ret = 0;
1493 }
1494
1495out:
1496 if (pdu && pdu != (void *) cmd->payload)
1497 free(pdu);
1498
1499 if (log_pathname)
1500 free(log_pathname);
1501
1502 return ret;
1503}
1504
1505static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd)
1506{
1507 struct cmd_probe_reply_pdu *probe = (struct cmd_probe_reply_pdu *) cmd->payload;
1508 const char *os, *arch;
1509 char bit[16];
1510
1511 os = fio_get_os_string(probe->os);
1512 if (!os)
1513 os = "unknown";
1514
1515 arch = fio_get_arch_string(probe->arch);
1516 if (!arch)
1517 os = "unknown";
1518
1519 sprintf(bit, "%d-bit", probe->bpp * 8);
1520 probe->flags = le64_to_cpu(probe->flags);
1521
1522 if (output_format & FIO_OUTPUT_NORMAL) {
1523 log_info("hostname=%s, be=%u, %s, os=%s, arch=%s, fio=%s, flags=%lx\n",
1524 probe->hostname, probe->bigendian, bit, os, arch,
1525 probe->fio_version, (unsigned long) probe->flags);
1526 }
1527
1528 if (!client->name)
1529 client->name = strdup((char *) probe->hostname);
1530}
1531
1532static void handle_start(struct fio_client *client, struct fio_net_cmd *cmd)
1533{
1534 struct cmd_start_pdu *pdu = (struct cmd_start_pdu *) cmd->payload;
1535
1536 client->state = Client_started;
1537 client->jobs = le32_to_cpu(pdu->jobs);
1538 client->nr_stat = le32_to_cpu(pdu->stat_outputs);
1539
1540 if (client->jobs) {
1541 int i;
1542
1543 if (client->opt_lists)
1544 free(client->opt_lists);
1545
1546 client->opt_lists = malloc(client->jobs * sizeof(struct flist_head));
1547 for (i = 0; i < client->jobs; i++)
1548 INIT_FLIST_HEAD(&client->opt_lists[i]);
1549 }
1550
1551 sum_stat_clients += client->nr_stat;
1552}
1553
1554static void handle_stop(struct fio_client *client)
1555{
1556 if (client->error)
1557 log_info("client <%s>: exited with error %d\n", client->hostname, client->error);
1558}
1559
1560static void convert_stop(struct fio_net_cmd *cmd)
1561{
1562 struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload;
1563
1564 pdu->error = le32_to_cpu(pdu->error);
1565}
1566
1567static void convert_text(struct fio_net_cmd *cmd)
1568{
1569 struct cmd_text_pdu *pdu = (struct cmd_text_pdu *) cmd->payload;
1570
1571 pdu->level = le32_to_cpu(pdu->level);
1572 pdu->buf_len = le32_to_cpu(pdu->buf_len);
1573 pdu->log_sec = le64_to_cpu(pdu->log_sec);
1574 pdu->log_usec = le64_to_cpu(pdu->log_usec);
1575}
1576
1577static struct cmd_iolog_pdu *convert_iolog_gz(struct fio_net_cmd *cmd,
1578 struct cmd_iolog_pdu *pdu)
1579{
1580#ifdef CONFIG_ZLIB
1581 struct cmd_iolog_pdu *ret;
1582 z_stream stream;
1583 uint64_t nr_samples;
1584 size_t total;
1585 char *p;
1586
1587 stream.zalloc = Z_NULL;
1588 stream.zfree = Z_NULL;
1589 stream.opaque = Z_NULL;
1590 stream.avail_in = 0;
1591 stream.next_in = Z_NULL;
1592
1593 if (inflateInit(&stream) != Z_OK)
1594 return NULL;
1595
1596 /*
1597 * Get header first, it's not compressed
1598 */
1599 nr_samples = le64_to_cpu(pdu->nr_samples);
1600
1601 if (pdu->log_type == IO_LOG_TYPE_HIST)
1602 total = nr_samples * (__log_entry_sz(le32_to_cpu(pdu->log_offset)) +
1603 sizeof(struct io_u_plat_entry));
1604 else
1605 total = nr_samples * __log_entry_sz(le32_to_cpu(pdu->log_offset));
1606 ret = malloc(total + sizeof(*pdu));
1607 ret->nr_samples = nr_samples;
1608
1609 memcpy(ret, pdu, sizeof(*pdu));
1610
1611 p = (char *) ret + sizeof(*pdu);
1612
1613 stream.avail_in = cmd->pdu_len - sizeof(*pdu);
1614 stream.next_in = (void *)((char *) pdu + sizeof(*pdu));
1615 while (stream.avail_in) {
1616 unsigned int this_chunk = 65536;
1617 unsigned int this_len;
1618 int err;
1619
1620 if (this_chunk > total)
1621 this_chunk = total;
1622
1623 stream.avail_out = this_chunk;
1624 stream.next_out = (void *)p;
1625 err = inflate(&stream, Z_NO_FLUSH);
1626 /* may be Z_OK, or Z_STREAM_END */
1627 if (err < 0) {
1628 /*
1629 * Z_STREAM_ERROR and Z_BUF_ERROR can safely be
1630 * ignored */
1631 if (err == Z_STREAM_ERROR || err == Z_BUF_ERROR)
1632 break;
1633 log_err("fio: inflate error %d\n", err);
1634 free(ret);
1635 ret = NULL;
1636 goto err;
1637 }
1638
1639 this_len = this_chunk - stream.avail_out;
1640 p += this_len;
1641 total -= this_len;
1642 }
1643
1644err:
1645 inflateEnd(&stream);
1646 return ret;
1647#else
1648 return NULL;
1649#endif
1650}
1651
1652/*
1653 * This has been compressed on the server side, since it can be big.
1654 * Uncompress here.
1655 */
1656static struct cmd_iolog_pdu *convert_iolog(struct fio_net_cmd *cmd,
1657 bool *store_direct)
1658{
1659 struct cmd_iolog_pdu *pdu = (struct cmd_iolog_pdu *) cmd->payload;
1660 struct cmd_iolog_pdu *ret;
1661 uint64_t i;
1662 int compressed;
1663 void *samples;
1664
1665 *store_direct = false;
1666
1667 /*
1668 * Convert if compressed and we support it. If it's not
1669 * compressed, we need not do anything.
1670 */
1671 compressed = le32_to_cpu(pdu->compressed);
1672 if (compressed == XMIT_COMPRESSED) {
1673#ifndef CONFIG_ZLIB
1674 log_err("fio: server sent compressed data by mistake\n");
1675 return NULL;
1676#endif
1677 ret = convert_iolog_gz(cmd, pdu);
1678 if (!ret) {
1679 log_err("fio: failed decompressing log\n");
1680 return NULL;
1681 }
1682 } else if (compressed == STORE_COMPRESSED) {
1683 *store_direct = true;
1684 ret = pdu;
1685 } else
1686 ret = pdu;
1687
1688 ret->nr_samples = le64_to_cpu(ret->nr_samples);
1689 ret->thread_number = le32_to_cpu(ret->thread_number);
1690 ret->log_type = le32_to_cpu(ret->log_type);
1691 ret->compressed = le32_to_cpu(ret->compressed);
1692 ret->log_offset = le32_to_cpu(ret->log_offset);
1693 ret->log_hist_coarseness = le32_to_cpu(ret->log_hist_coarseness);
1694
1695 if (*store_direct)
1696 return ret;
1697
1698 samples = &ret->samples[0];
1699 for (i = 0; i < ret->nr_samples; i++) {
1700 struct io_sample *s;
1701
1702 s = __get_sample(samples, ret->log_offset, i);
1703 if (ret->log_type == IO_LOG_TYPE_HIST)
1704 s = (struct io_sample *)((char *)s + sizeof(struct io_u_plat_entry) * i);
1705
1706 s->time = le64_to_cpu(s->time);
1707 s->data.val = le64_to_cpu(s->data.val);
1708 s->__ddir = __le32_to_cpu(s->__ddir);
1709 s->bs = le64_to_cpu(s->bs);
1710
1711 if (ret->log_offset) {
1712 struct io_sample_offset *so = (void *) s;
1713
1714 so->offset = le64_to_cpu(so->offset);
1715 }
1716
1717 if (ret->log_type == IO_LOG_TYPE_HIST) {
1718 s->data.plat_entry = (struct io_u_plat_entry *)(((char *)s) + sizeof(*s));
1719 s->data.plat_entry->list.next = NULL;
1720 s->data.plat_entry->list.prev = NULL;
1721 }
1722 }
1723
1724 return ret;
1725}
1726
1727static void sendfile_reply(int fd, struct cmd_sendfile_reply *rep,
1728 size_t size, uint64_t tag)
1729{
1730 rep->error = cpu_to_le32(rep->error);
1731 fio_net_send_cmd(fd, FIO_NET_CMD_SENDFILE, rep, size, &tag, NULL);
1732}
1733
1734static int fio_send_file(struct fio_client *client, struct cmd_sendfile *pdu,
1735 uint64_t tag)
1736{
1737 struct cmd_sendfile_reply *rep;
1738 struct stat sb;
1739 size_t size;
1740 int fd;
1741
1742 size = sizeof(*rep);
1743 rep = malloc(size);
1744
1745 if (stat((char *)pdu->path, &sb) < 0) {
1746fail:
1747 rep->error = errno;
1748 sendfile_reply(client->fd, rep, size, tag);
1749 free(rep);
1750 return 1;
1751 }
1752
1753 size += sb.st_size;
1754 rep = realloc(rep, size);
1755 rep->size = cpu_to_le32((uint32_t) sb.st_size);
1756
1757 fd = open((char *)pdu->path, O_RDONLY);
1758 if (fd == -1 )
1759 goto fail;
1760
1761 rep->error = read_data(fd, &rep->data, sb.st_size);
1762 sendfile_reply(client->fd, rep, size, tag);
1763 free(rep);
1764 close(fd);
1765 return 0;
1766}
1767
1768int fio_handle_client(struct fio_client *client)
1769{
1770 struct client_ops *ops = client->ops;
1771 struct fio_net_cmd *cmd;
1772 int size;
1773
1774 dprint(FD_NET, "client: handle %s\n", client->hostname);
1775
1776 cmd = fio_net_recv_cmd(client->fd, true);
1777 if (!cmd)
1778 return 0;
1779
1780 dprint(FD_NET, "client: got cmd op %s from %s (pdu=%u)\n",
1781 fio_server_op(cmd->opcode), client->hostname, cmd->pdu_len);
1782
1783 client->last_cmd = cmd->opcode;
1784
1785 switch (cmd->opcode) {
1786 case FIO_NET_CMD_QUIT:
1787 if (ops->quit)
1788 ops->quit(client, cmd);
1789 remove_client(client);
1790 break;
1791 case FIO_NET_CMD_TEXT:
1792 convert_text(cmd);
1793 ops->text(client, cmd);
1794 break;
1795 case FIO_NET_CMD_DU: {
1796 struct cmd_du_pdu *du = (struct cmd_du_pdu *) cmd->payload;
1797
1798 convert_dus(&du->dus);
1799 convert_agg(&du->agg);
1800
1801 ops->disk_util(client, cmd);
1802 break;
1803 }
1804 case FIO_NET_CMD_TS: {
1805 struct cmd_ts_pdu *p = (struct cmd_ts_pdu *) cmd->payload;
1806
1807 dprint(FD_NET, "client: ts->ss_state = %u\n", (unsigned int) le32_to_cpu(p->ts.ss_state));
1808 if (le32_to_cpu(p->ts.ss_state) & FIO_SS_DATA) {
1809 dprint(FD_NET, "client: received steadystate ring buffers\n");
1810
1811 size = le64_to_cpu(p->ts.ss_dur);
1812 p->ts.ss_iops_data = (uint64_t *) ((struct cmd_ts_pdu *)cmd->payload + 1);
1813 p->ts.ss_bw_data = p->ts.ss_iops_data + size;
1814 }
1815
1816 convert_ts(&p->ts, &p->ts);
1817 convert_gs(&p->rs, &p->rs);
1818
1819 ops->thread_status(client, cmd);
1820 break;
1821 }
1822 case FIO_NET_CMD_GS: {
1823 struct group_run_stats *gs = (struct group_run_stats *) cmd->payload;
1824
1825 convert_gs(gs, gs);
1826
1827 ops->group_stats(client, cmd);
1828 break;
1829 }
1830 case FIO_NET_CMD_ETA: {
1831 struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
1832
1833 if (!remove_reply_cmd(client, cmd))
1834 break;
1835 convert_jobs_eta(je);
1836 handle_eta(client, cmd);
1837 break;
1838 }
1839 case FIO_NET_CMD_PROBE:
1840 remove_reply_cmd(client, cmd);
1841 ops->probe(client, cmd);
1842 break;
1843 case FIO_NET_CMD_SERVER_START:
1844 client->state = Client_running;
1845 if (ops->job_start)
1846 ops->job_start(client, cmd);
1847 break;
1848 case FIO_NET_CMD_START: {
1849 struct cmd_start_pdu *pdu = (struct cmd_start_pdu *) cmd->payload;
1850
1851 pdu->jobs = le32_to_cpu(pdu->jobs);
1852 ops->start(client, cmd);
1853 break;
1854 }
1855 case FIO_NET_CMD_STOP: {
1856 struct cmd_end_pdu *pdu = (struct cmd_end_pdu *) cmd->payload;
1857
1858 convert_stop(cmd);
1859 client->state = Client_stopped;
1860 client->error = le32_to_cpu(pdu->error);
1861 client->signal = le32_to_cpu(pdu->signal);
1862 ops->stop(client);
1863 break;
1864 }
1865 case FIO_NET_CMD_ADD_JOB: {
1866 struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload;
1867
1868 client->thread_number = le32_to_cpu(pdu->thread_number);
1869 client->groupid = le32_to_cpu(pdu->groupid);
1870
1871 if (ops->add_job)
1872 ops->add_job(client, cmd);
1873 break;
1874 }
1875 case FIO_NET_CMD_IOLOG:
1876 fio_client_handle_iolog(client, cmd);
1877 break;
1878 case FIO_NET_CMD_UPDATE_JOB:
1879 ops->update_job(client, cmd);
1880 remove_reply_cmd(client, cmd);
1881 break;
1882 case FIO_NET_CMD_VTRIGGER: {
1883 struct all_io_list *pdu = (struct all_io_list *) cmd->payload;
1884 char buf[128];
1885 int off = 0;
1886
1887 if (aux_path) {
1888 strcpy(buf, aux_path);
1889 off = strlen(buf);
1890 }
1891
1892 __verify_save_state(pdu, server_name(client, &buf[off], sizeof(buf) - off));
1893 exec_trigger(trigger_cmd);
1894 break;
1895 }
1896 case FIO_NET_CMD_SENDFILE: {
1897 struct cmd_sendfile *pdu = (struct cmd_sendfile *) cmd->payload;
1898 fio_send_file(client, pdu, cmd->tag);
1899 break;
1900 }
1901 case FIO_NET_CMD_JOB_OPT: {
1902 handle_job_opt(client, cmd);
1903 break;
1904 }
1905 default:
1906 log_err("fio: unknown client op: %s\n", fio_server_op(cmd->opcode));
1907 break;
1908 }
1909
1910 free(cmd);
1911 return 1;
1912}
1913
1914int fio_clients_send_trigger(const char *cmd)
1915{
1916 struct flist_head *entry;
1917 struct fio_client *client;
1918 size_t slen;
1919
1920 dprint(FD_NET, "client: send vtrigger: %s\n", cmd);
1921
1922 if (!cmd)
1923 slen = 0;
1924 else
1925 slen = strlen(cmd);
1926
1927 flist_for_each(entry, &client_list) {
1928 struct cmd_vtrigger_pdu *pdu;
1929
1930 client = flist_entry(entry, struct fio_client, list);
1931
1932 pdu = malloc(sizeof(*pdu) + slen);
1933 pdu->len = cpu_to_le16((uint16_t) slen);
1934 if (slen)
1935 memcpy(pdu->cmd, cmd, slen);
1936 fio_net_send_cmd(client->fd, FIO_NET_CMD_VTRIGGER, pdu,
1937 sizeof(*pdu) + slen, NULL, NULL);
1938 free(pdu);
1939 }
1940
1941 return 0;
1942}
1943
1944static void request_client_etas(struct client_ops *ops)
1945{
1946 struct fio_client *client;
1947 struct flist_head *entry;
1948 struct client_eta *eta;
1949 int skipped = 0;
1950
1951 if (eta_print == FIO_ETA_NEVER)
1952 return;
1953
1954 dprint(FD_NET, "client: request eta (%d)\n", nr_clients);
1955
1956 eta = calloc(1, sizeof(*eta) + __THREAD_RUNSTR_SZ(REAL_MAX_JOBS));
1957 eta->pending = nr_clients;
1958
1959 flist_for_each(entry, &client_list) {
1960 client = flist_entry(entry, struct fio_client, list);
1961
1962 if (!flist_empty(&client->eta_list)) {
1963 skipped++;
1964 continue;
1965 }
1966 if (client->state != Client_running)
1967 continue;
1968
1969 assert(!client->eta_in_flight);
1970 flist_add_tail(&client->eta_list, &eta_list);
1971 client->eta_in_flight = eta;
1972 fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_SEND_ETA,
1973 (uintptr_t) eta, &client->cmd_list);
1974 }
1975
1976 while (skipped--) {
1977 if (!fio_client_dec_jobs_eta(eta, ops->eta))
1978 break;
1979 }
1980
1981 dprint(FD_NET, "client: requested eta tag %p\n", eta);
1982}
1983
1984/*
1985 * A single SEND_ETA timeout isn't fatal. Attempt to recover.
1986 */
1987static int handle_cmd_timeout(struct fio_client *client,
1988 struct fio_net_cmd_reply *reply)
1989{
1990 uint16_t reply_opcode = reply->opcode;
1991
1992 flist_del(&reply->list);
1993 free(reply);
1994
1995 if (reply_opcode != FIO_NET_CMD_SEND_ETA)
1996 return 1;
1997
1998 log_info("client <%s>: timeout on SEND_ETA\n", client->hostname);
1999
2000 flist_del_init(&client->eta_list);
2001 if (client->eta_in_flight) {
2002 fio_client_dec_jobs_eta(client->eta_in_flight, client->ops->eta);
2003 client->eta_in_flight = NULL;
2004 }
2005
2006 /*
2007 * If we fail 5 in a row, give up...
2008 */
2009 if (client->eta_timeouts++ > 5)
2010 return 1;
2011
2012 return 0;
2013}
2014
2015static int client_check_cmd_timeout(struct fio_client *client,
2016 struct timespec *now)
2017{
2018 struct fio_net_cmd_reply *reply;
2019 struct flist_head *entry, *tmp;
2020 int ret = 0;
2021
2022 flist_for_each_safe(entry, tmp, &client->cmd_list) {
2023 unsigned int op;
2024
2025 reply = flist_entry(entry, struct fio_net_cmd_reply, list);
2026
2027 if (mtime_since(&reply->ts, now) < FIO_NET_CLIENT_TIMEOUT)
2028 continue;
2029
2030 op = reply->opcode;
2031 if (!handle_cmd_timeout(client, reply))
2032 continue;
2033
2034 log_err("fio: client %s, timeout on cmd %s\n", client->hostname,
2035 fio_server_op(op));
2036 ret = 1;
2037 }
2038
2039 return flist_empty(&client->cmd_list) && ret;
2040}
2041
2042static int fio_check_clients_timed_out(void)
2043{
2044 struct fio_client *client;
2045 struct flist_head *entry, *tmp;
2046 struct timespec ts;
2047 int ret = 0;
2048
2049 fio_gettime(&ts, NULL);
2050
2051 flist_for_each_safe(entry, tmp, &client_list) {
2052 client = flist_entry(entry, struct fio_client, list);
2053
2054 if (flist_empty(&client->cmd_list))
2055 continue;
2056
2057 if (!client_check_cmd_timeout(client, &ts))
2058 continue;
2059
2060 if (client->ops->timed_out)
2061 client->ops->timed_out(client);
2062 else
2063 log_err("fio: client %s timed out\n", client->hostname);
2064
2065 if (client->last_cmd != FIO_NET_CMD_VTRIGGER)
2066 client->error = ETIMEDOUT;
2067 else
2068 log_info("fio: ignoring timeout due to vtrigger\n");
2069 remove_client(client);
2070 ret = 1;
2071 }
2072
2073 return ret;
2074}
2075
2076int fio_handle_clients(struct client_ops *ops)
2077{
2078 struct pollfd *pfds;
2079 int i, ret = 0, retval = 0;
2080
2081 fio_gettime(&eta_ts, NULL);
2082
2083 pfds = malloc(nr_clients * sizeof(struct pollfd));
2084
2085 init_thread_stat(&client_ts);
2086 init_group_run_stat(&client_gs);
2087
2088 while (!exit_backend && nr_clients) {
2089 struct flist_head *entry, *tmp;
2090 struct fio_client *client;
2091
2092 i = 0;
2093 flist_for_each_safe(entry, tmp, &client_list) {
2094 client = flist_entry(entry, struct fio_client, list);
2095
2096 if (!client->sent_job && !client->ops->stay_connected &&
2097 flist_empty(&client->cmd_list)) {
2098 remove_client(client);
2099 continue;
2100 }
2101
2102 pfds[i].fd = client->fd;
2103 pfds[i].events = POLLIN;
2104 i++;
2105 }
2106
2107 if (!nr_clients)
2108 break;
2109
2110 assert(i == nr_clients);
2111
2112 do {
2113 struct timespec ts;
2114 int timeout;
2115
2116 fio_gettime(&ts, NULL);
2117 if (eta_time_within_slack(mtime_since(&eta_ts, &ts))) {
2118 request_client_etas(ops);
2119 memcpy(&eta_ts, &ts, sizeof(ts));
2120
2121 if (fio_check_clients_timed_out())
2122 break;
2123 }
2124
2125 check_trigger_file();
2126
2127 timeout = min(100u, ops->eta_msec);
2128
2129 ret = poll(pfds, nr_clients, timeout);
2130 if (ret < 0) {
2131 if (errno == EINTR)
2132 continue;
2133 log_err("fio: poll clients: %s\n", strerror(errno));
2134 break;
2135 } else if (!ret)
2136 continue;
2137 } while (ret <= 0);
2138
2139 for (i = 0; i < nr_clients; i++) {
2140 if (!(pfds[i].revents & POLLIN))
2141 continue;
2142
2143 client = find_client_by_fd(pfds[i].fd);
2144 if (!client) {
2145 log_err("fio: unknown client fd %ld\n", (long) pfds[i].fd);
2146 continue;
2147 }
2148 if (!fio_handle_client(client)) {
2149 log_info("client: host=%s disconnected\n",
2150 client->hostname);
2151 remove_client(client);
2152 retval = 1;
2153 } else if (client->error)
2154 retval = 1;
2155 fio_put_client(client);
2156 }
2157 }
2158
2159 log_info_buf(allclients.buf, allclients.buflen);
2160 buf_output_free(&allclients);
2161
2162 fio_client_json_fini();
2163
2164 free(pfds);
2165 return retval || error_clients;
2166}
2167
2168static void client_display_thread_status(struct jobs_eta *je)
2169{
2170 if (!(output_format & FIO_OUTPUT_JSON))
2171 display_thread_status(je);
2172}
fio - Flexible IO Tester