4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2013, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/utils/loadgen.c
38 * See how many local OSCs we can start whaling on a OST
39 * We're doing direct ioctls instead of going though a system() call to lctl
40 * to avoid the bash overhead.
41 * Adds an osc / echo client pair in each thread and starts echo transactions.
43 * Author: Nathan Rutman <nathan@clusterfs.com>
50 #include <sys/types.h>
60 #include <lnet/lnetctl.h>
61 #include <libcfs/libcfsutil.h>
64 static char cmdname[512];
65 static char target[64] = "";
67 static int sig_received = 0;
68 static int o_verbose = 4; /* 0-5 */
69 static int my_oss = 0;
70 static int my_ecs = 0;
72 static int jt_quit(int argc, char **argv) {
73 Parser_quit(argc, argv);
77 static int loadgen_usage(int argc, char **argv)
81 "This is a test program used to simulate large numbers of\n"
82 "clients. The echo obds are used, so the obdecho module must\n"
84 "Typical usage would be:\n"
85 " loadgen> dev lustre-OST0000 set the target device\n"
86 " loadgen> start 20 start 20 echo clients\n"
87 " loadgen> wr 10 5 have 10 clients do the brw_write\n"
88 " test 5 times each\n"
91 return (Parser_help(argc, argv));
94 static int loadgen_verbose(int argc, char **argv);
95 static int loadgen_target(int argc, char **argv);
96 static int loadgen_start_echosrv(int argc, char **argv);
97 static int loadgen_start_clients(int argc, char **argv);
98 static int loadgen_wait(int argc, char **argv);
99 static int loadgen_write(int argc, char **argv);
101 command_t cmdlist[] = {
102 {"device", loadgen_target, 0,
103 "set target ost name (e.g. lustre-OST0000)\n"
104 "usage: device <name> [<nid>]"},
105 {"dl", jt_obd_list, 0, "show all devices\n"
107 {"echosrv", loadgen_start_echosrv, 0, "start an echo server\n"},
108 {"start", loadgen_start_clients, 0, "set up echo clients\n"
109 "usage: start_clients <num>"},
110 {"verbose", loadgen_verbose, 0, "set verbosity level 0-5\n"
111 "usage: verbose <level>"},
112 {"wait", loadgen_wait, 0,
113 "wait for all threads to finish\n"},
114 {"write", loadgen_write, 0,
115 "start a test_brw write test on X clients for Y iterations\n"
116 "usage: write <num_clients> <num_iter> [<delay>]"},
118 /* User interface commands */
119 {"help", loadgen_usage, 0, "help"},
120 {"exit", jt_quit, 0, "quit"},
121 {"quit", jt_quit, 0, "quit"},
127 #define C_STOP 0x0001
128 #define C_CREATE_EVERY 0x0002 /* destroy and recreate every time */
129 #define C_READ 0x0004
130 #define C_WRITE 0x0008
139 struct command_t k_cmd;
140 struct kid_t *k_next;
147 static int live_threads = 0;
148 static struct kid_t *kid_list = NULL;
149 pthread_mutex_t m_list = PTHREAD_MUTEX_INITIALIZER;
151 static struct kid_t *push_kid(int tnum)
154 kid = (struct kid_t *)calloc(1, sizeof(struct kid_t));
156 fprintf(stderr, "malloc failure\n");
159 kid->k_pthread = pthread_self();
160 pthread_mutex_lock(&m_list);
161 kid->k_next = kid_list;
165 pthread_mutex_unlock(&m_list);
169 int trigger_count = 0;
170 int waiting_count = 0;
173 struct timeval trigger_start;
174 struct command_t trigger_cmd;
175 pthread_mutex_t m_trigger = PTHREAD_MUTEX_INITIALIZER;
176 pthread_cond_t cv_trigger = PTHREAD_COND_INITIALIZER;
178 unsigned long long write_bytes;
179 pthread_mutex_t m_count = PTHREAD_MUTEX_INITIALIZER;
181 static void trigger(int command, int threads, int repeat, int delay)
184 pthread_mutex_lock(&m_trigger);
185 trigger_cmd.c_flags = command;
186 trigger_cmd.c_rpt = repeat;
187 trigger_cmd.c_delay = delay;
188 trigger_count = threads;
190 printf("trigger %d cmd c=%d f=%x\n", trigger_count,
191 trigger_cmd.c_rpt, trigger_cmd.c_flags);
192 gettimeofday(&trigger_start, NULL);
194 pthread_mutex_lock(&m_count);
196 pthread_mutex_unlock(&m_count);
198 pthread_cond_broadcast(&cv_trigger);
199 pthread_mutex_unlock(&m_trigger);
202 static __inline__ void stop_all(int unused)
207 static void kill_kids(void)
209 struct kid_t *tmp = kid_list;
212 trigger(C_STOP, 0, 0, 0);
214 pthread_kill(tmp->k_pthread, SIGTERM);
219 static void sig_master(int unused)
225 static int wait_for_threads()
227 struct kid_t *tmp = kid_list;
231 printf("waiting for %d children\n", live_threads);
234 rc = pthread_join(tmp->k_pthread, &statusp);
235 status = (long)statusp;
237 printf("%d: joined, rc = %d, status = %d\n",
238 tmp->k_id, rc, status);
239 kid_list = tmp->k_next;
246 printf("%s done, rc = %d\n", cmdname, rc);
250 static int write_proc(char *proc_path, char *value)
254 fd = open(proc_path, O_WRONLY);
256 fprintf(stderr, "open('%s') failed: %s\n",
257 proc_path, strerror(errno));
260 rc = write(fd, value, strlen(value));
262 fprintf(stderr, "write('%s') failed: %s\n",
263 proc_path, strerror(errno));
270 static int read_proc(char *proc_path, unsigned long long *value)
275 fd = open(proc_path, O_RDONLY);
277 fprintf(stderr, "open('%s') failed: %s\n",
278 proc_path, strerror(errno));
282 rc = read(fd, buf, sizeof(buf));
284 if (errno == EOPNOTSUPP) {
285 /* probably an echo server */
289 fprintf(stderr, "read('%s') failed: %s (%d)\n",
290 proc_path, strerror(errno), errno);
293 *value = strtoull(buf, NULL, 10);
297 static int grant_estimate(int thread)
299 unsigned long long avail, grant;
304 /* I don't really care about protecting this with a mutex */
311 /* Divide /proc/fs/lustre/osc/o_0001/kbytesavail
312 by /proc/fs/lustre/osc/o_0001/cur_grant_bytes to find max clients */
313 sprintf(proc_path, "/proc/fs/lustre/osc/o%.5d/kbytesavail", thread);
314 rc = read_proc(proc_path, &avail);
317 sprintf(proc_path, "/proc/fs/lustre/osc/o%.5d/cur_grant_bytes", thread);
318 rc = read_proc(proc_path, &grant);
324 printf("Estimate %llu clients before we run out of grant space "
325 "(%lluK / %llu)\n", (avail << 10) / grant, avail, grant);
330 /* We hold a thread mutex around create/cleanup because cur_dev is not
331 shared-memory safe */
332 pthread_mutex_t m_config = PTHREAD_MUTEX_INITIALIZER;
334 static int cleanup(char *obdname, int quiet)
339 pthread_mutex_lock(&m_config);
343 rc = jt_lcfg_device(2, args);
345 fprintf(stderr, "%s: can't configure '%s' (%d)\n",
346 cmdname, obdname, rc);
348 rc = jt_obd_cleanup(2, args);
350 fprintf(stderr, "%s: can't cleanup '%s' (%d)\n",
351 cmdname, obdname, rc);
352 rc = jt_obd_detach(1, args);
354 fprintf(stderr, "%s: can't detach '%s' (%d)\n",
355 cmdname, obdname, rc);
357 pthread_mutex_unlock(&m_config);
361 static int echocli_setup(char *oname, char *ename, int *dev)
367 pthread_mutex_lock(&m_config);
372 /* attach "osc" oscname oscuuid */
374 args[2] = args[3] = oname;
375 rc = jt_lcfg_attach(4, args);
377 fprintf(stderr, "%s: can't attach osc '%s' (%d)\n",
379 /* Assume we want e.g. an old one cleaned anyhow. */
382 /* setup ostname "OSS_UUID" */
384 args[2] = "OSS_UUID";
385 rc = jt_lcfg_setup(3, args);
387 fprintf(stderr, "%s: can't setup osc '%s' (%d)\n",
392 /* Large grants cause ENOSPC to be reported, even though
393 there's space left. We can reduce the grant size by
395 sprintf(proc_path, "/proc/fs/lustre/osc/%s/max_dirty_mb", oname);
396 rc = write_proc(proc_path, "1");
397 sprintf(proc_path, "/proc/fs/lustre/osc/%s/max_rpcs_in_flight", oname);
398 rc = write_proc(proc_path, "1");
401 /* attach "echo_client" echoname echouuid */
402 args[1] = "echo_client";
403 args[2] = args[3] = ename;
404 rc = jt_lcfg_attach(4, args);
406 fprintf(stderr, "%s: can't attach '%s' (%d)\n",
409 fprintf(stderr, "%s: is the obdecho module loaded?\n",
415 rc = jt_lcfg_setup(2, args);
417 fprintf(stderr, "%s: can't setup '%s' (%d)\n",
423 rc = jt_obd_device(2, args);
425 fprintf(stderr, "%s: can't set device '%s' (%d)\n",
431 *dev = jt_obd_get_device();
432 pthread_mutex_unlock(&m_config);
436 pthread_mutex_unlock(&m_config);
442 /* We can't use the libptlctl library fns because they are not shared-memory
443 safe with respect to the ioctl device (cur_dev) */
444 static int obj_ioctl(int cmd, struct obd_ioctl_data *data, int unpack)
449 //IOC_PACK(cmdname, data);
450 if (obd_ioctl_pack(data, &buf, sizeof(*data))) {
451 fprintf(stderr, "dev %d invalid ioctl\n", data->ioc_dev);
456 rc = l_ioctl(OBD_DEV_ID, cmd, buf);
459 //IOC_UNPACK(argv[0], data);
460 if (obd_ioctl_unpack(data, buf, sizeof(*data))) {
461 fprintf(stderr, "dev %d invalid reply\n", data->ioc_dev);
473 /* See jt_obd_create */
474 static int obj_create(struct kid_t *kid)
476 struct obd_ioctl_data data;
479 memset(&data, 0, sizeof(data));
480 data.ioc_dev = kid->k_dev;
481 data.ioc_obdo1.o_mode = 0100644;
482 ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
483 ostid_set_id(&data.ioc_obdo1.o_oi, 1);
484 data.ioc_obdo1.o_uid = 0;
485 data.ioc_obdo1.o_gid = 0;
486 data.ioc_obdo1.o_valid = OBD_MD_FLTYPE | OBD_MD_FLMODE |
487 OBD_MD_FLID | OBD_MD_FLUID | OBD_MD_FLGID;
489 rc = obj_ioctl(OBD_IOC_CREATE, &data, 1);
491 fprintf(stderr, "%d: create (%d) %s\n",
492 kid->k_id, rc, strerror(errno));
496 if (!(data.ioc_obdo1.o_valid & OBD_MD_FLID)) {
497 fprintf(stderr, "%d: create oid not valid "LPX64"\n",
498 kid->k_id, data.ioc_obdo1.o_valid);
502 kid->k_objid = ostid_id(&data.ioc_obdo1.o_oi);
505 printf("%d: cr "LPX64"\n", kid->k_id, kid->k_objid);
510 /* See jt_obd_destroy */
511 static int obj_delete(struct kid_t *kid)
513 struct obd_ioctl_data data;
517 printf("%d: del "LPX64"\n", kid->k_id, kid->k_objid);
519 memset(&data, 0, sizeof(data));
520 data.ioc_dev = kid->k_dev;
521 ostid_set_id(&data.ioc_obdo1.o_oi, kid->k_objid);
522 data.ioc_obdo1.o_mode = S_IFREG | 0644;
523 data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLMODE;
525 rc = obj_ioctl(OBD_IOC_DESTROY, &data, 1);
527 fprintf(stderr, "%s-%d: can't destroy obj "LPX64" (%d)\n",
528 cmdname, kid->k_id, kid->k_objid, rc);
534 #define difftime(a, b) \
535 ((a)->tv_sec - (b)->tv_sec + \
536 ((a)->tv_usec - (b)->tv_usec) / 1000000.0)
538 /* See jt_obd_test_brw */
539 static int obj_write(struct kid_t *kid)
541 struct obd_ioctl_data data;
542 struct timeval start;
544 int rc = 0, i, pages = 0;
547 printf("%d: wr "LPX64"\n", kid->k_id, kid->k_objid);
551 len = pages * getpagesize();
553 memset(&data, 0, sizeof(data));
554 data.ioc_dev = kid->k_dev;
555 /* communicate the 'type' of brw test and batching to echo_client.
556 * don't start. we'd love to refactor this lctl->echo_client
558 data.ioc_pbuf1 = (void *)1;
561 ostid_set_seq_echo(&data.ioc_obdo1.o_oi);
562 ostid_set_id(&data.ioc_obdo1.o_oi, kid->k_objid);
563 data.ioc_obdo1.o_mode = S_IFREG;
564 data.ioc_obdo1.o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLMODE |
565 OBD_MD_FLFLAGS | OBD_MD_FLGROUP;
566 data.ioc_obdo1.o_flags = OBD_FL_DEBUG_CHECK;
567 data.ioc_count = len;
570 gettimeofday(&start, NULL);
572 for (i = 1; i <= count; i++) {
573 data.ioc_obdo1.o_valid &= ~(OBD_MD_FLBLOCKS|OBD_MD_FLGRANT);
574 rc = obj_ioctl(OBD_IOC_BRW_WRITE, &data, 0);
576 fprintf(stderr, "%d: write %s\n", kid->k_id,
577 strerror(rc = errno));
581 data.ioc_offset += len;
588 gettimeofday(&end, NULL);
589 diff = difftime(&end, &start);
593 pthread_mutex_lock(&m_count);
594 write_bytes += i * len;
595 pthread_mutex_unlock(&m_count);
598 printf("%d: wrote %dx%d pages in %.3fs (%.3f MB/s): %s",
599 kid->k_id, i, pages, diff,
600 ((double)i * len) / (diff * 1048576.0),
605 fprintf(stderr, "%s-%d: err test_brw obj "LPX64" (%d)\n",
606 cmdname, kid->k_id, kid->k_objid, rc);
610 static int do_work(struct kid_t *kid)
612 int rc = 0, err, iter = 0;
614 if (!(kid->k_cmd.c_flags & C_CREATE_EVERY))
615 rc = obj_create(kid);
617 for (iter = 0; iter < kid->k_cmd.c_rpt; iter++) {
618 if (rc || sig_received)
621 if (kid->k_cmd.c_flags & C_CREATE_EVERY) {
622 rc = obj_create(kid);
627 if (kid->k_cmd.c_flags & C_WRITE) {
629 grant_estimate(kid->k_id);
632 if (kid->k_cmd.c_flags & C_CREATE_EVERY) {
633 err = obj_delete(kid);
637 if ((o_verbose > 3) && (iter % 10 == 0))
638 printf("%d: i%d\n", kid->k_id, iter);
640 sleep(kid->k_cmd.c_delay);
643 if (!(kid->k_cmd.c_flags & C_CREATE_EVERY)) {
644 err = obj_delete(kid);
649 printf("%d: done (%d)\n", kid->k_id, rc);
654 static void report_perf()
659 gettimeofday(&end, NULL);
660 diff = difftime(&end, &trigger_start);
662 pthread_mutex_lock(&m_count);
663 printf("wrote %lluMB in %.3fs (%.3f MB/s)\n",
664 write_bytes >> 20, diff,
665 (write_bytes >> 20) / diff);
666 pthread_mutex_unlock(&m_count);
670 static void *run_one_child(void *threadvp)
673 char oname[10], ename[10];
674 int thread = (long)threadvp, dev = 0;
678 printf("%s: running thread #%d\n", cmdname, thread);
680 sprintf(oname, "o%.5d", thread);
681 sprintf(ename, "e%.5d", thread);
682 rc = echocli_setup(oname, ename, &dev);
684 fprintf(stderr, "%s: can't setup '%s/%s' (%d)\n",
685 cmdname, oname, ename, rc);
686 pthread_exit((void *)(long)rc);
689 kid = push_kid(thread);
696 while(!(rc || sig_received)) {
697 pthread_mutex_lock(&m_trigger);
698 pthread_mutex_lock(&m_list);
700 if ((waiting_count == live_threads) && timer_on) {
705 pthread_mutex_unlock(&m_list);
706 pthread_cond_wait(&cv_trigger, &m_trigger);
710 /* First trigger_count threads will do the work, the rest
714 printf("%d: trigger %d cmd %x\n",
715 kid->k_id, trigger_count,
716 trigger_cmd.c_flags);
718 memcpy(&kid->k_cmd, &trigger_cmd, sizeof(trigger_cmd));
719 pthread_mutex_unlock(&m_trigger);
722 pthread_mutex_unlock(&m_trigger);
727 printf("%s: thread #%d done (%d)\n", cmdname, thread, rc);
733 err = cleanup(ename, 0);
735 err = cleanup(oname, 0);
738 pthread_exit((void *)(long)rc);
742 * PTHREAD_STACK_MIN is 16K minimal stack for threads. This
743 * is stack consumed by one thread, which executes NULL procedure.
744 * We need some more here and 20k stack for one client thread
745 * is enough to not overflow. In same time it does not consume
746 * a lot of memory for large number of threads.
748 * 20K virtual clients will only consume 320M + 400M. Still to
749 * create this number of virtual clients we need to fix 8192
752 #define CLIENT_THREAD_STACK_SIZE (PTHREAD_STACK_MIN + (20 * 1024))
754 static int loadgen_start_clients(int argc, char **argv)
757 struct timespec ts = {0, 1000*1000*100}; /* .1 sec */
763 numt = strtoul(argv[1], NULL, 0);
768 fprintf(stderr, "%s: target OST is not defined, use 'device' "
769 "command\n", cmdname);
773 rc = pthread_attr_init(&attr);
775 fprintf(stderr, "%s: pthread_attr_init:(%d) %s\n",
776 cmdname, rc, strerror(errno));
779 pthread_attr_setstacksize (&attr, CLIENT_THREAD_STACK_SIZE);
780 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
782 numt += live_threads;
784 printf("start %d to %d\n", i, numt);
785 while(!rc && !sig_received && (i < numt)) {
789 rc = pthread_create(&thread, &attr, run_one_child,
792 fprintf(stderr, "%s: pthread: #%d - (%d) %s\n",
793 cmdname, i, rc, strerror(rc));
797 /* give them slightly different start times */
798 nanosleep(&ts, NULL);
801 pthread_attr_destroy(&attr);
806 static int loadgen_target(int argc, char **argv)
812 if (argc < 2 || argc > 3)
818 nidx = libcfs_str2nid(argv[2]);
819 if (nidx == LNET_NID_ANY) {
820 fprintf(stderr, "%s: invalid nid '%s'\n",
825 /* Local device should be in list */
827 rc = jt_obd_device(2, args);
829 fprintf(stderr, "%s: local device '%s' doesn't "
830 "seem to exist. You must use obdfilter device "
831 "names like 'lustre-OST0000'. Use 'dl' to "
832 "list all devices.\n",
837 /* Use the first local nid */
838 args[1] = (char *)(&nidx);
839 args[1][0] = 1; /* hack to get back first nid */
840 rc = jt_ptl_list_nids(2, args);
842 fprintf(stderr, "%s: can't get local nid (%d)\n",
847 if (strcmp(nid, libcfs_nid2str(nidx)) != 0) {
848 /* if new, do an add_uuid */
849 sprintf(nid, "%s", libcfs_nid2str(nidx));
851 /* Fixme change the uuid for every new one */
852 args[1] = "OSS_UUID";
854 rc = jt_lcfg_add_uuid(3, args);
856 fprintf(stderr, "%s: can't add uuid '%s' (%d)\n",
857 cmdname, args[2], rc);
862 snprintf(target, sizeof(target), "%s", argv[1]);
863 printf("Target OST name is '%s'\n", target);
868 static int loadgen_verbose(int argc, char **argv)
872 o_verbose = atoi(argv[1]);
873 printf("verbosity set to %d\n", o_verbose);
877 static int loadgen_write(int argc, char **argv)
881 if (argc < 3 || argc > 4)
883 threads = atoi(argv[1]);
884 pthread_mutex_lock(&m_list);
885 if (threads > live_threads) {
886 pthread_mutex_unlock(&m_list);
887 fprintf(stderr, "requested %d threads but only %d are running. "
888 "Use 'start' to start some more.\n",
889 threads, live_threads);
892 pthread_mutex_unlock(&m_list);
894 trigger(C_WRITE, threads, atoi(argv[2]),
895 (argc == 4) ? atoi(argv[3]) : 0);
899 char ecsname[] = "echosrv";
900 static int loadgen_stop_echosrv(int argc, char **argv)
902 int verbose = (argc != 9);
905 cleanup(name, verbose);
908 if (my_ecs || (argc == 9)) {
909 cleanup(ecsname, verbose);
915 static int loadgen_start_echosrv(int argc, char **argv)
920 pthread_mutex_lock(&m_config);
924 /* attach obdecho echosrv echosrv_UUID */
926 args[2] = args[3] = ecsname;
927 rc = jt_lcfg_attach(4, args);
929 fprintf(stderr, "%s: can't attach echo server (%d)\n",
931 /* Assume we want e.g. an old one cleaned anyhow. */
937 rc = jt_lcfg_setup(1, args);
939 fprintf(stderr, "%s: can't setup echo server (%d)\n",
944 /* Create an OSS to handle the communications */
945 /* attach ost OSS OSS_UUID */
947 args[2] = args[3] = "OSS";
949 rc = jt_lcfg_attach(4, args);
951 /* Already set up for somebody else, that's fine. */
952 printf("OSS already set up, no problem.\n");
953 pthread_mutex_unlock(&m_config);
957 fprintf(stderr, "%s: can't attach OSS (%d)\n",
964 rc = jt_lcfg_setup(1, args);
966 fprintf(stderr, "%s: can't setup OSS (%d)\n",
971 pthread_mutex_unlock(&m_config);
975 pthread_mutex_unlock(&m_config);
976 loadgen_stop_echosrv(9, argv);
980 static int loadgen_wait(int argc, char **argv)
982 /* Give scripts a chance to start some threads */
990 static int loadgen_init(int argc, char **argv)
995 sprintf(cmdname, "%s", argv[0]);
997 signal(SIGTERM, sig_master);
998 signal(SIGINT, sig_master);
1000 /* Test to make sure obdecho module is loaded */
1002 args[1] = "echo_client";
1003 args[2] = args[3] = "ecc_test";
1004 rc = jt_lcfg_attach(4, args);
1006 fprintf(stderr, "%s: can't attach echo client (%d)\n",
1009 fprintf(stderr, "%s: is the obdecho module loaded?\n",
1013 jt_obd_detach(1, args);
1019 static int loadgen_exit()
1023 printf("stopping %d children\n", live_threads);
1025 rc = wait_for_threads();
1027 loadgen_stop_echosrv(0, NULL);
1032 /* libptlctl interface */
1033 static int loadgen_main(int argc, char **argv)
1038 /* without this threaded errors cause segfault */
1041 if ((rc = ptl_initialize(argc, argv)) < 0)
1043 if ((rc = obd_initialize(argc, argv)) < 0)
1045 if ((rc = dbg_initialize(argc, argv)) < 0)
1048 Parser_init("loadgen> ", cmdlist);
1050 rc = loadgen_init(argc, argv);
1055 rc = Parser_execarg(argc - 1, argv + 1, cmdlist);
1057 rc = Parser_commands();
1060 rc = loadgen_exit();
1063 obd_finalize(argc, argv);
1064 return rc < 0 ? -rc : rc;
1067 #ifndef LIBLUSTRE_TEST
1068 int main (int argc, char **argv)
1071 rc = loadgen_main(argc, argv);
1072 pthread_exit((void *)(long)rc);