1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
6 * This file is part of Portals, http://www.sf.net/projects/lustre/
8 * Portals is free software; you can redistribute it and/or
9 * modify it under the terms of version 2 of the GNU General Public
10 * License as published by the Free Software Foundation.
12 * Portals is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Portals; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include <libcfs/libcfsutil.h>
24 #include <lnet/api-support.h>
25 #include <lnet/lnetctl.h>
26 #include <lnet/socklnd.h>
28 unsigned int libcfs_debug;
29 unsigned int libcfs_printk = D_CANTMASK;
34 /* Convert a string boolean to an int; "enable" -> 1 */
36 lnet_parse_bool (int *b, char *str)
38 if (!strcasecmp (str, "no") ||
39 !strcasecmp (str, "n") ||
40 !strcasecmp (str, "off") ||
41 !strcasecmp (str, "down") ||
42 !strcasecmp (str, "disable"))
48 if (!strcasecmp (str, "yes") ||
49 !strcasecmp (str, "y") ||
50 !strcasecmp (str, "on") ||
51 !strcasecmp (str, "up") ||
52 !strcasecmp (str, "enable"))
62 lnet_parse_port (int *port, char *str)
66 *port = strtol (str, &end, 0);
68 if (*end == 0 && /* parsed whole string */
69 *port > 0 && *port < 65536) /* minimal sanity check */
75 #ifdef HAVE_GETHOSTBYNAME
76 static struct hostent *
77 ptl_gethostbyname(char * hname) {
79 he = gethostbyname(hname);
84 fprintf(stderr, "Unable to resolve hostname: %s\n",
88 fprintf(stderr, "gethostbyname error for %s: %s\n",
89 hname, strerror(h_errno));
99 lnet_parse_ipquad (__u32 *ipaddrp, char *str)
106 if (sscanf (str, "%d.%d.%d.%d", &a, &b, &c, &d) == 4 &&
107 (a & ~0xff) == 0 && (b & ~0xff) == 0 &&
108 (c & ~0xff) == 0 && (d & ~0xff) == 0)
110 *ipaddrp = (a<<24)|(b<<16)|(c<<8)|d;
118 lnet_parse_ipaddr (__u32 *ipaddrp, char *str)
120 #ifdef HAVE_GETHOSTBYNAME
124 if (!strcmp (str, "_all_")) {
129 if (lnet_parse_ipquad(ipaddrp, str) == 0)
132 #ifdef HAVE_GETHOSTBYNAME
133 if ((('a' <= str[0] && str[0] <= 'z') ||
134 ('A' <= str[0] && str[0] <= 'Z')) &&
135 (he = ptl_gethostbyname (str)) != NULL) {
136 __u32 addr = *(__u32 *)he->h_addr;
138 *ipaddrp = ntohl(addr); /* HOST byte order */
147 ptl_ipaddr_2_str (__u32 ipaddr, char *str, int lookup)
149 #ifdef HAVE_GETHOSTBYNAME
154 net_ip = htonl (ipaddr);
155 he = gethostbyaddr (&net_ip, sizeof (net_ip), AF_INET);
157 strcpy(str, he->h_name);
163 sprintf (str, "%d.%d.%d.%d",
164 (ipaddr >> 24) & 0xff, (ipaddr >> 16) & 0xff,
165 (ipaddr >> 8) & 0xff, ipaddr & 0xff);
170 lnet_parse_time (time_t *t, char *str)
176 *t = strtol (str, &end, 0);
177 if (*end == 0) /* parsed whole string */
180 memset (&tm, 0, sizeof (tm));
181 n = sscanf (str, "%d-%d-%d-%d:%d:%d",
182 &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
183 &tm.tm_hour, &tm.tm_min, &tm.tm_sec);
187 tm.tm_mon--; /* convert to 0 == Jan */
188 tm.tm_year -= 1900; /* y2k quirk */
189 tm.tm_isdst = -1; /* dunno if it's daylight savings... */
192 if (*t == (time_t)-1)
199 lnet_parse_nid(char *nid_str, lnet_process_id_t *id_ptr)
201 id_ptr->pid = LNET_PID_ANY;
202 id_ptr->nid = libcfs_str2nid(nid_str);
203 if (id_ptr->nid == LNET_NID_ANY) {
204 fprintf (stderr, "Can't parse nid \"%s\"\n", nid_str);
211 int g_net_is_set (char *cmd)
218 "You must run the 'network' command before '%s'.\n",
223 int g_net_is_compatible (char *cmd, ...)
228 if (!g_net_is_set(cmd))
234 nal = va_arg (ap, int);
235 if (nal == LNET_NETTYP(g_net)) {
245 "Command %s not compatible with %s NAL\n",
247 libcfs_lnd2str(LNET_NETTYP(g_net)));
251 int ptl_initialize(int argc, char **argv)
253 register_ioc_dev(LNET_DEV_ID, LNET_DEV_PATH,
254 LNET_DEV_MAJOR, LNET_DEV_MINOR);
259 int jt_ptl_network(int argc, char **argv)
261 struct libcfs_ioctl_data data;
262 __u32 net = LNET_NIDNET(LNET_NID_ANY);
266 fprintf(stderr, "usage: %s <net>|up|down\n", argv[0]);
270 if (!strcmp(argv[1], "unconfigure") ||
271 !strcmp(argv[1], "down")) {
272 LIBCFS_IOC_INIT(data);
273 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_UNCONFIGURE, &data);
276 printf ("LNET ready to unload\n");
281 fprintf(stderr, "LNET busy\n");
283 fprintf(stderr, "LNET unconfigure error %d: %s\n",
284 errno, strerror(errno));
288 if (!strcmp(argv[1], "configure") ||
289 !strcmp(argv[1], "up")) {
290 LIBCFS_IOC_INIT(data);
291 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_CONFIGURE, &data);
294 printf ("LNET configured\n");
298 fprintf(stderr, "LNET configure error %d: %s\n",
299 errno, strerror(errno));
303 net = libcfs_str2net(argv[1]);
304 if (net == LNET_NIDNET(LNET_NID_ANY)) {
305 fprintf(stderr, "Can't parse net %s\n", argv[1]);
309 if (LNET_NETTYP(net) == CIBLND ||
310 LNET_NETTYP(net) == OPENIBLND ||
311 LNET_NETTYP(net) == IIBLND ||
312 LNET_NETTYP(net) == VIBLND) {
313 fprintf(stderr, "Net %s obsoleted\n", libcfs_lnd2str(net));
323 jt_ptl_list_nids(int argc, char **argv)
325 struct libcfs_ioctl_data data;
326 int all = 0, return_nid = 0;
330 all = (argc == 2) && (strcmp(argv[1], "all") == 0);
331 /* Hack to pass back value */
332 return_nid = (argc == 2) && (argv[1][0] == 1);
334 if ((argc > 2) && !(all || return_nid)) {
335 fprintf(stderr, "usage: %s [all]\n", argv[0]);
339 for (count = 0;; count++) {
340 LIBCFS_IOC_INIT (data);
341 data.ioc_count = count;
342 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_NI, &data);
345 if ((count > 0) && (errno == ENOENT))
346 /* We found them all */
348 fprintf(stderr,"IOC_LIBCFS_GET_NI error %d: %s\n",
349 errno, strerror(errno));
353 if (all || (LNET_NETTYP(LNET_NIDNET(data.ioc_nid)) != LOLND)) {
354 printf("%s\n", libcfs_nid2str(data.ioc_nid));
356 *(__u64 *)(argv[1]) = data.ioc_nid;
366 jt_ptl_which_nid (int argc, char **argv)
368 struct libcfs_ioctl_data data;
371 lnet_nid_t best_nid = LNET_NID_ANY;
380 fprintf(stderr, "usage: %s NID [NID...]\n", argv[0]);
384 for (i = 1; i < argc; i++) {
386 nid = libcfs_str2nid(nidstr);
387 if (nid == LNET_NID_ANY) {
388 fprintf(stderr, "Can't parse NID %s\n", nidstr);
392 LIBCFS_IOC_INIT(data);
395 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LNET_DIST, &data);
397 fprintf(stderr, "Can't get distance to %s: %s\n",
398 nidstr, strerror(errno));
402 dist = data.ioc_u32[0];
403 order = data.ioc_u32[1];
406 if (dist == -EHOSTUNREACH)
409 fprintf(stderr, "Unexpected distance to %s: %d\n",
414 if (best_nid == LNET_NID_ANY ||
416 (dist == best_dist && order < best_order)) {
423 if (best_nid == LNET_NID_ANY) {
424 fprintf(stderr, "No reachable NID\n");
428 printf("%s\n", libcfs_nid2str(best_nid));
433 jt_ptl_print_interfaces (int argc, char **argv)
435 struct libcfs_ioctl_data data;
440 if (!g_net_is_compatible (argv[0], SOCKLND, 0))
443 for (index = 0;;index++) {
444 LIBCFS_IOC_INIT(data);
445 data.ioc_net = g_net;
446 data.ioc_count = index;
448 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_INTERFACE, &data);
452 printf ("%s: (%s/%s) npeer %d nroute %d\n",
453 ptl_ipaddr_2_str(data.ioc_u32[0], buffer[2], 1),
454 ptl_ipaddr_2_str(data.ioc_u32[0], buffer[0], 0),
455 ptl_ipaddr_2_str(data.ioc_u32[1], buffer[1], 0),
456 data.ioc_u32[2], data.ioc_u32[3]);
460 if (errno == ENOENT) {
461 printf ("<no interfaces>\n");
463 fprintf(stderr, "Error getting interfaces: %s: "
473 jt_ptl_add_interface (int argc, char **argv)
475 struct libcfs_ioctl_data data;
478 __u32 netmask = 0xffffff00;
483 if (argc < 2 || argc > 3) {
484 fprintf (stderr, "usage: %s ipaddr [netmask]\n", argv[0]);
488 if (!g_net_is_compatible(argv[0], SOCKLND, 0))
491 if (lnet_parse_ipaddr(&ipaddr, argv[1]) != 0) {
492 fprintf (stderr, "Can't parse ip: %s\n", argv[1]);
497 count = strtol(argv[2], &end, 0);
498 if (count > 0 && count < 32 && *end == 0) {
500 for (i = count; i > 0; i--)
501 netmask = netmask|(1<<(32-i));
502 } else if (lnet_parse_ipquad(&netmask, argv[2]) != 0) {
503 fprintf (stderr, "Can't parse netmask: %s\n", argv[2]);
508 LIBCFS_IOC_INIT(data);
509 data.ioc_net = g_net;
510 data.ioc_u32[0] = ipaddr;
511 data.ioc_u32[1] = netmask;
513 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_INTERFACE, &data);
515 fprintf (stderr, "failed to add interface: %s\n",
524 jt_ptl_del_interface (int argc, char **argv)
526 struct libcfs_ioctl_data data;
531 fprintf (stderr, "usage: %s [ipaddr]\n", argv[0]);
535 if (!g_net_is_compatible(argv[0], SOCKLND, 0))
539 lnet_parse_ipaddr(&ipaddr, argv[1]) != 0) {
540 fprintf (stderr, "Can't parse ip: %s\n", argv[1]);
544 LIBCFS_IOC_INIT(data);
545 data.ioc_net = g_net;
546 data.ioc_u32[0] = ipaddr;
548 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_INTERFACE, &data);
550 fprintf (stderr, "failed to delete interface: %s\n",
559 jt_ptl_print_peers (int argc, char **argv)
561 struct libcfs_ioctl_data data;
562 lnet_process_id_t id;
567 if (!g_net_is_compatible (argv[0], SOCKLND, RALND, PTLLND, MXLND,
571 for (index = 0;;index++) {
572 LIBCFS_IOC_INIT(data);
573 data.ioc_net = g_net;
574 data.ioc_count = index;
576 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_PEER, &data);
580 if (g_net_is_compatible(NULL, SOCKLND, 0)) {
581 id.nid = data.ioc_nid;
582 id.pid = data.ioc_u32[4];
583 printf ("%-20s [%d]%s->%s:%d #%d\n",
585 data.ioc_count, /* persistence */
586 ptl_ipaddr_2_str (data.ioc_u32[2], buffer[0], 1), /* my ip */
587 ptl_ipaddr_2_str (data.ioc_u32[0], buffer[1], 1), /* peer ip */
588 data.ioc_u32[1], /* peer port */
589 data.ioc_u32[3]); /* conn_count */
590 } else if (g_net_is_compatible(NULL, PTLLND, 0)) {
591 id.nid = data.ioc_nid;
592 id.pid = data.ioc_u32[4];
593 printf ("%-20s s %d%s [%d] "LPD64".%06d"
594 " m "LPD64"/"LPD64" q %d/%d c %d/%d\n",
596 data.ioc_net, /* state */
597 data.ioc_flags ? "" : " ~!h", /* sent_hello */
598 data.ioc_count, /* refcount */
599 data.ioc_u64[0]/1000000, /* incarnation secs */
600 (int)(data.ioc_u64[0]%1000000), /* incarnation usecs */
601 (((__u64)data.ioc_u32[1])<<32) |
602 ((__u64)data.ioc_u32[0]), /* next_matchbits */
603 (((__u64)data.ioc_u32[3])<<32) |
604 ((__u64)data.ioc_u32[2]), /* last_matchbits_seen */
605 data.ioc_u32[5] >> 16, /* nsendq */
606 data.ioc_u32[5] & 0xffff, /* nactiveq */
607 data.ioc_u32[6] >> 16, /* credits */
608 data.ioc_u32[6] & 0xffff); /* outstanding_credits */
609 } else if (g_net_is_compatible(NULL, RALND, 0)) {
610 printf ("%-20s [%d]@%s:%d\n",
611 libcfs_nid2str(data.ioc_nid), /* peer nid */
612 data.ioc_count, /* peer persistence */
613 ptl_ipaddr_2_str (data.ioc_u32[0], buffer[1], 1), /* peer ip */
614 data.ioc_u32[1]); /* peer port */
616 printf ("%-20s [%d]\n",
617 libcfs_nid2str(data.ioc_nid), data.ioc_count);
622 if (errno == ENOENT) {
623 printf ("<no peers>\n");
625 fprintf(stderr, "Error getting peer list: %s: "
634 jt_ptl_add_peer (int argc, char **argv)
636 struct libcfs_ioctl_data data;
642 if (!g_net_is_compatible (argv[0], SOCKLND, RALND, 0))
646 fprintf (stderr, "usage(tcp,ra): %s nid ipaddr port\n",
651 nid = libcfs_str2nid(argv[1]);
652 if (nid == LNET_NID_ANY) {
653 fprintf (stderr, "Can't parse NID: %s\n", argv[1]);
657 if (lnet_parse_ipaddr (&ip, argv[2]) != 0) {
658 fprintf (stderr, "Can't parse ip addr: %s\n", argv[2]);
662 if (lnet_parse_port (&port, argv[3]) != 0) {
663 fprintf (stderr, "Can't parse port: %s\n", argv[3]);
667 LIBCFS_IOC_INIT(data);
668 data.ioc_net = g_net;
670 data.ioc_u32[0] = ip;
671 data.ioc_u32[1] = port;
673 rc = l_ioctl (LNET_DEV_ID, IOC_LIBCFS_ADD_PEER, &data);
675 fprintf (stderr, "failed to add peer: %s\n",
684 jt_ptl_del_peer (int argc, char **argv)
686 struct libcfs_ioctl_data data;
687 lnet_nid_t nid = LNET_NID_ANY;
688 lnet_pid_t pid = LNET_PID_ANY;
693 if (!g_net_is_compatible (argv[0], SOCKLND, RALND, MXLND, PTLLND,
697 if (g_net_is_compatible(NULL, SOCKLND, 0)) {
699 fprintf (stderr, "usage: %s [nid] [ipaddr]\n",
703 } else if (g_net_is_compatible(NULL, PTLLND, 0)) {
705 fprintf (stderr, "usage: %s [nid] [pid]\n",
709 } else if (argc > 2) {
710 fprintf (stderr, "usage: %s [nid]\n", argv[0]);
715 !libcfs_str2anynid(&nid, argv[1])) {
716 fprintf (stderr, "Can't parse nid: %s\n", argv[1]);
720 if (g_net_is_compatible(NULL, SOCKLND, 0)) {
722 lnet_parse_ipaddr (&ip, argv[2]) != 0) {
723 fprintf (stderr, "Can't parse ip addr: %s\n",
727 } else if (g_net_is_compatible(NULL, PTLLND, 0)) {
729 pid = strtol(argv[2], &end, 0);
730 if (end == argv[2] || *end == 0) {
731 fprintf(stderr, "Can't parse pid %s\n",
738 LIBCFS_IOC_INIT(data);
739 data.ioc_net = g_net;
741 data.ioc_u32[0] = ip;
742 data.ioc_u32[1] = pid;
744 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_PEER, &data);
746 fprintf (stderr, "failed to remove peer: %s\n",
755 jt_ptl_print_connections (int argc, char **argv)
757 struct libcfs_ioctl_data data;
758 lnet_process_id_t id;
763 if (!g_net_is_compatible (argv[0], SOCKLND, RALND, MXLND, O2IBLND, 0))
766 for (index = 0; ; index++) {
767 LIBCFS_IOC_INIT(data);
768 data.ioc_net = g_net;
769 data.ioc_count = index;
771 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_CONN, &data);
775 if (g_net_is_compatible (NULL, SOCKLND, 0)) {
776 id.nid = data.ioc_nid;
777 id.pid = data.ioc_u32[6];
778 printf ("%-20s %s[%d]%s->%s:%d %d/%d %s\n",
780 (data.ioc_u32[3] == SOCKLND_CONN_ANY) ? "A" :
781 (data.ioc_u32[3] == SOCKLND_CONN_CONTROL) ? "C" :
782 (data.ioc_u32[3] == SOCKLND_CONN_BULK_IN) ? "I" :
783 (data.ioc_u32[3] == SOCKLND_CONN_BULK_OUT) ? "O" : "?",
784 data.ioc_u32[4], /* scheduler */
785 ptl_ipaddr_2_str (data.ioc_u32[2], buffer[0], 1), /* local IP addr */
786 ptl_ipaddr_2_str (data.ioc_u32[0], buffer[1], 1), /* remote IP addr */
787 data.ioc_u32[1], /* remote port */
788 data.ioc_count, /* tx buffer size */
789 data.ioc_u32[5], /* rx buffer size */
790 data.ioc_flags ? "nagle" : "nonagle");
791 } else if (g_net_is_compatible (NULL, RALND, 0)) {
792 printf ("%-20s [%d]\n",
793 libcfs_nid2str(data.ioc_nid),
794 data.ioc_u32[0] /* device id */);
795 } else if (g_net_is_compatible (NULL, O2IBLND, 0)) {
796 printf ("%s mtu %d\n",
797 libcfs_nid2str(data.ioc_nid),
798 data.ioc_u32[0]); /* path MTU */
800 printf ("%s\n", libcfs_nid2str(data.ioc_nid));
805 if (errno == ENOENT) {
806 printf ("<no connections>\n");
808 fprintf(stderr, "Error getting connection list: %s: "
816 int jt_ptl_disconnect(int argc, char **argv)
818 struct libcfs_ioctl_data data;
819 lnet_nid_t nid = LNET_NID_ANY;
824 fprintf(stderr, "usage: %s [nid] [ipaddr]\n", argv[0]);
828 if (!g_net_is_compatible (NULL, SOCKLND, RALND, MXLND, O2IBLND, 0))
832 !libcfs_str2anynid(&nid, argv[1])) {
833 fprintf (stderr, "Can't parse nid %s\n", argv[1]);
837 if (g_net_is_compatible (NULL, SOCKLND, 0) &&
839 lnet_parse_ipaddr (&ipaddr, argv[2]) != 0) {
840 fprintf (stderr, "Can't parse ip addr %s\n", argv[2]);
844 LIBCFS_IOC_INIT(data);
845 data.ioc_net = g_net;
847 data.ioc_u32[0] = ipaddr;
849 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_CLOSE_CONNECTION, &data);
851 fprintf(stderr, "failed to remove connection: %s\n",
859 int jt_ptl_push_connection (int argc, char **argv)
861 struct libcfs_ioctl_data data;
863 lnet_nid_t nid = LNET_NID_ANY;
866 fprintf(stderr, "usage: %s [nid]\n", argv[0]);
870 if (!g_net_is_compatible (argv[0], SOCKLND, 0))
874 !libcfs_str2anynid(&nid, argv[1])) {
875 fprintf(stderr, "Can't parse nid: %s\n", argv[1]);
879 LIBCFS_IOC_INIT(data);
880 data.ioc_net = g_net;
883 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_PUSH_CONNECTION, &data);
885 fprintf(stderr, "failed to push connection: %s\n",
894 jt_ptl_print_active_txs (int argc, char **argv)
896 struct libcfs_ioctl_data data;
900 if (!g_net_is_compatible (argv[0], QSWLND, 0))
903 for (index = 0;;index++) {
904 LIBCFS_IOC_INIT(data);
905 data.ioc_net = g_net;
906 data.ioc_count = index;
908 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_TXDESC, &data);
912 printf ("type %u payload %6d to %s via %s by pid %6d: "
913 "%s, %s, state %d\n",
916 libcfs_nid2str(data.ioc_nid),
917 libcfs_nid2str(data.ioc_u64[0]),
919 (data.ioc_flags & 1) ? "delayed" : "immediate",
920 (data.ioc_flags & 2) ? "nblk" : "normal",
921 data.ioc_flags >> 2);
925 if (errno == ENOENT) {
926 printf ("<no active descs>\n");
928 fprintf(stderr, "Error getting active transmits list: "
929 "%s: check dmesg.\n",
936 int jt_ptl_ping(int argc, char **argv)
940 lnet_process_id_t id;
941 lnet_process_id_t ids[16];
942 int maxids = sizeof(ids)/sizeof(ids[0]);
943 struct libcfs_ioctl_data data;
948 fprintf(stderr, "usage: %s id [timeout (secs)]\n", argv[0]);
952 sep = strchr(argv[1], '-');
954 rc = lnet_parse_nid(argv[1], &id);
960 if (argv[1][0] == 'u' ||
962 id.pid = strtoul(&argv[1][1], &end, 0) | LNET_PID_USERFLAG;
964 id.pid = strtoul(argv[1], &end, 0);
966 if (end != sep) { /* assuming '-' is part of hostname */
967 rc = lnet_parse_nid(argv[1], &id);
971 id.nid = libcfs_str2nid(sep + 1);
973 if (id.nid == LNET_NID_ANY) {
975 "Can't parse process id \"%s\"\n",
983 timeout = 1000 * atol(argv[2]);
985 timeout = 1000; /* default 1 second timeout */
987 LIBCFS_IOC_INIT (data);
988 data.ioc_nid = id.nid;
989 data.ioc_u32[0] = id.pid;
990 data.ioc_u32[1] = timeout;
991 data.ioc_plen1 = sizeof(ids);
992 data.ioc_pbuf1 = (char *)ids;
994 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_PING, &data);
996 fprintf(stderr, "failed to ping %s: %s\n",
997 id.pid == LNET_PID_ANY ?
998 libcfs_nid2str(id.nid) : libcfs_id2str(id),
1003 for (i = 0; i < data.ioc_count && i < maxids; i++)
1004 printf("%s\n", libcfs_id2str(ids[i]));
1006 if (data.ioc_count > maxids)
1007 printf("%d out of %d ids listed\n", maxids, data.ioc_count);
1012 int jt_ptl_mynid(int argc, char **argv)
1014 struct libcfs_ioctl_data data;
1019 fprintf(stderr, "usage: %s NID\n", argv[0]);
1023 nid = libcfs_str2nid(argv[1]);
1024 if (nid == LNET_NID_ANY) {
1025 fprintf(stderr, "Can't parse NID '%s'\n", argv[1]);
1029 LIBCFS_IOC_INIT(data);
1030 data.ioc_net = LNET_NIDNET(nid);
1033 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_REGISTER_MYNID, &data);
1035 fprintf(stderr, "setting my NID failed: %s\n",
1038 printf("registered my nid %s\n", libcfs_nid2str(nid));
1044 jt_ptl_fail_nid (int argc, char **argv)
1048 unsigned int threshold;
1049 struct libcfs_ioctl_data data;
1051 if (argc < 2 || argc > 3)
1053 fprintf (stderr, "usage: %s nid|\"*\" [count (0 == mend)]\n", argv[0]);
1057 if (!libcfs_str2anynid(&nid, argv[1]))
1059 fprintf (stderr, "Can't parse nid \"%s\"\n", argv[1]);
1064 threshold = LNET_MD_THRESH_INF;
1065 } else if (sscanf (argv[2], "%i", &threshold) != 1) {
1066 fprintf (stderr, "Can't parse count \"%s\"\n", argv[2]);
1070 LIBCFS_IOC_INIT (data);
1072 data.ioc_count = threshold;
1074 rc = l_ioctl (LNET_DEV_ID, IOC_LIBCFS_FAIL_NID, &data);
1076 fprintf (stderr, "IOC_LIBCFS_FAIL_NID failed: %s\n",
1079 printf ("%s %s\n", threshold == 0 ? "Unfailing" : "Failing", argv[1]);
1085 jt_ptl_add_route (int argc, char **argv)
1087 struct libcfs_ioctl_data data;
1088 lnet_nid_t gateway_nid;
1089 unsigned int hops = 1;
1093 if (argc < 2 || argc > 3)
1095 fprintf (stderr, "usage: %s gateway [hopcount]\n", argv[0]);
1099 if (!g_net_is_set(argv[0]))
1102 gateway_nid = libcfs_str2nid(argv[1]);
1103 if (gateway_nid == LNET_NID_ANY) {
1104 fprintf (stderr, "Can't parse gateway NID \"%s\"\n", argv[1]);
1109 hops = strtoul(argv[2], &end, 0);
1110 if (hops >= 256 || *end != 0) {
1111 fprintf (stderr, "Can't parse hopcount \"%s\"\n", argv[2]);
1116 LIBCFS_IOC_INIT(data);
1117 data.ioc_net = g_net;
1118 data.ioc_count = hops;
1119 data.ioc_nid = gateway_nid;
1121 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_ROUTE, &data);
1123 fprintf (stderr, "IOC_LIBCFS_ADD_ROUTE failed: %s\n", strerror (errno));
1131 jt_ptl_del_route (int argc, char **argv)
1133 struct libcfs_ioctl_data data;
1138 fprintf (stderr, "usage: %s gatewayNID\n", argv[0]);
1142 if (!libcfs_str2anynid(&nid, argv[1])) {
1143 fprintf (stderr, "Can't parse gateway NID "
1144 "\"%s\"\n", argv[1]);
1148 LIBCFS_IOC_INIT(data);
1149 data.ioc_net = g_net_set ? g_net : LNET_NIDNET(LNET_NID_ANY);
1152 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_ROUTE, &data);
1154 fprintf (stderr, "IOC_LIBCFS_DEL_ROUTE (%s) failed: %s\n",
1155 libcfs_nid2str(nid), strerror (errno));
1163 jt_ptl_notify_router (int argc, char **argv)
1165 struct libcfs_ioctl_data data;
1174 fprintf (stderr, "usage: %s targetNID <up/down> [<time>]\n",
1179 nid = libcfs_str2nid(argv[1]);
1180 if (nid == LNET_NID_ANY) {
1181 fprintf (stderr, "Can't parse target NID \"%s\"\n", argv[1]);
1185 if (lnet_parse_bool (&enable, argv[2]) != 0) {
1186 fprintf (stderr, "Can't parse boolean %s\n", argv[2]);
1190 gettimeofday(&now, NULL);
1194 } else if (lnet_parse_time (&when, argv[3]) != 0) {
1195 fprintf(stderr, "Can't parse time %s\n"
1196 "Please specify either 'YYYY-MM-DD-HH:MM:SS'\n"
1197 "or an absolute unix time in seconds\n", argv[3]);
1199 } else if (when > now.tv_sec) {
1200 fprintf (stderr, "%s specifies a time in the future\n",
1205 LIBCFS_IOC_INIT(data);
1207 data.ioc_flags = enable;
1208 /* Yeuch; 'cept I need a __u64 on 64 bit machines... */
1209 data.ioc_u64[0] = (__u64)when;
1211 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_NOTIFY_ROUTER, &data);
1213 fprintf (stderr, "IOC_LIBCFS_NOTIFY_ROUTER (%s) failed: %s\n",
1214 libcfs_nid2str(nid), strerror (errno));
1222 jt_ptl_print_routes (int argc, char **argv)
1224 struct libcfs_ioctl_data data;
1232 for (index = 0;;index++)
1234 LIBCFS_IOC_INIT(data);
1235 data.ioc_count = index;
1237 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_ROUTE, &data);
1242 hops = data.ioc_count;
1244 alive = data.ioc_flags;
1246 printf ("net %18s hops %u gw %32s %s\n",
1247 libcfs_net2str(net), hops,
1248 libcfs_nid2str(nid), alive ? "up" : "down");
1251 if (errno != ENOENT)
1252 fprintf(stderr, "Error getting routes: %s: check dmesg.\n",
1259 lwt_control(int enable, int clear)
1261 struct libcfs_ioctl_data data;
1264 LIBCFS_IOC_INIT(data);
1265 data.ioc_flags = (enable ? 1 : 0) | (clear ? 2 : 0);
1267 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LWT_CONTROL, &data);
1271 fprintf(stderr, "IOC_LIBCFS_LWT_CONTROL failed: %s\n",
1277 lwt_snapshot(cfs_cycles_t *now, int *ncpu, int *totalsize,
1278 lwt_event_t *events, int size)
1280 struct libcfs_ioctl_data data;
1283 LIBCFS_IOC_INIT(data);
1284 data.ioc_pbuf1 = (char *)events;
1285 data.ioc_plen1 = size;
1287 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LWT_SNAPSHOT, &data);
1289 fprintf(stderr, "IOC_LIBCFS_LWT_SNAPSHOT failed: %s\n",
1294 /* crappy overloads */
1295 if (data.ioc_u32[2] != sizeof(lwt_event_t) ||
1296 data.ioc_u32[3] != offsetof(lwt_event_t, lwte_where)) {
1297 fprintf(stderr,"kernel/user LWT event mismatch %d(%d),%d(%d)\n",
1298 (int)data.ioc_u32[2], (int)sizeof(lwt_event_t),
1299 (int)data.ioc_u32[3],
1300 (int)offsetof(lwt_event_t, lwte_where));
1305 *now = data.ioc_u64[0];
1307 LASSERT (data.ioc_u32[0] != 0);
1309 *ncpu = data.ioc_u32[0];
1311 LASSERT (data.ioc_u32[1] != 0);
1312 if (totalsize != NULL)
1313 *totalsize = data.ioc_u32[1];
1319 lwt_get_string(char *kstr)
1322 struct libcfs_ioctl_data data;
1326 /* FIXME: this could maintain a symbol table since we expect to be
1327 * looking up the same strings all the time... */
1329 LIBCFS_IOC_INIT(data);
1330 data.ioc_pbuf1 = kstr;
1331 data.ioc_plen1 = 1; /* non-zero just to fool portal_ioctl_is_invalid() */
1332 data.ioc_pbuf2 = NULL;
1335 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LWT_LOOKUP_STRING, &data);
1337 fprintf(stderr, "IOC_LIBCFS_LWT_LOOKUP_STRING failed: %s\n",
1342 size = data.ioc_count;
1343 ustr = (char *)malloc(size);
1345 fprintf(stderr, "Can't allocate string storage of size %d\n",
1350 LIBCFS_IOC_INIT(data);
1351 data.ioc_pbuf1 = kstr;
1352 data.ioc_plen1 = 1; /* non-zero just to fool portal_ioctl_is_invalid() */
1353 data.ioc_pbuf2 = ustr;
1354 data.ioc_plen2 = size;
1356 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LWT_LOOKUP_STRING, &data);
1358 fprintf(stderr, "IOC_LIBCFS_LWT_LOOKUP_STRING failed: %s\n",
1363 LASSERT(strlen(ustr) == size - 1);
1368 lwt_put_string(char *ustr)
1374 lwt_print(FILE *f, cfs_cycles_t t0, cfs_cycles_t tlast, double mhz, int cpu,
1378 # error "__WORDSIZE not defined"
1379 #elif __WORDSIZE == 32
1380 # define XFMT "%#010lx"
1381 #elif __WORDSIZE== 64
1382 # define XFMT "%#018lx"
1384 # error "Unexpected __WORDSIZE"
1386 char *where = lwt_get_string(e->lwte_where);
1391 fprintf(f, XFMT" "XFMT" "XFMT" "XFMT": "XFMT" %2d %10.6f %10.2f %s\n",
1392 e->lwte_p1, e->lwte_p2, e->lwte_p3, e->lwte_p4,
1393 (long)e->lwte_task, cpu, (e->lwte_when - t0) / (mhz * 1000000.0),
1394 (t0 == e->lwte_when) ? 0.0 : (e->lwte_when - tlast) / mhz,
1397 lwt_put_string(where);
1404 get_cycles_per_usec ()
1406 FILE *f = fopen ("/proc/cpuinfo", "r");
1411 while (fgets (line, sizeof (line), f) != NULL)
1412 if (sscanf (line, "cpu MHz : %lf", &mhz) == 1) {
1419 fprintf (stderr, "Can't read/parse /proc/cpuinfo\n");
1423 #define LWT_MAX_CPUS (32)
1426 jt_ptl_lwt(int argc, char **argv)
1430 int nevents_per_cpu;
1431 lwt_event_t *events;
1432 lwt_event_t *cpu_event[LWT_MAX_CPUS + 1];
1433 lwt_event_t *next_event[LWT_MAX_CPUS];
1434 lwt_event_t *first_event[LWT_MAX_CPUS];
1443 struct timeval tvnow;
1444 int printed_date = 0;
1449 (strcmp(argv[1], "start") &&
1450 strcmp(argv[1], "stop"))) {
1453 " %s stop [fname]\n", argv[0], argv[0]);
1457 if (!strcmp(argv[1], "start")) {
1459 if (lwt_control(0, 0) != 0)
1463 if (lwt_control(0, 1) != 0)
1467 if (lwt_control(1, 0) != 0)
1473 if (lwt_snapshot(NULL, &ncpus, &totalspace, NULL, 0) != 0)
1476 if (ncpus > LWT_MAX_CPUS) {
1477 fprintf(stderr, "Too many cpus: %d (%d)\n",
1478 ncpus, LWT_MAX_CPUS);
1482 events = (lwt_event_t *)malloc(totalspace);
1483 if (events == NULL) {
1484 fprintf(stderr, "Can't allocate %d\n", totalspace);
1488 if (lwt_control(0, 0) != 0) { /* disable */
1493 if (lwt_snapshot(&tnow, NULL, NULL, events, totalspace)) {
1498 /* we want this time to be sampled at snapshot time */
1499 gettimeofday(&tvnow, NULL);
1502 f = fopen (argv[2], "w");
1504 fprintf(stderr, "Can't open %s for writing: %s\n", argv[2], strerror (errno));
1510 mhz = get_cycles_per_usec();
1512 /* carve events into per-cpu slices */
1513 nevents_per_cpu = totalspace / (ncpus * sizeof(lwt_event_t));
1514 for (cpu = 0; cpu <= ncpus; cpu++)
1515 cpu_event[cpu] = &events[cpu * nevents_per_cpu];
1517 /* find the earliest event on each cpu */
1518 for (cpu = 0; cpu < ncpus; cpu++) {
1519 first_event[cpu] = NULL;
1521 for (e = cpu_event[cpu]; e < cpu_event[cpu + 1]; e++) {
1523 if (e->lwte_where == NULL) /* not an event */
1526 if (first_event[cpu] == NULL ||
1527 first_event[cpu]->lwte_when > e->lwte_when)
1528 first_event[cpu] = e;
1531 next_event[cpu] = first_event[cpu];
1535 for (cpu = 0; cpu < ncpus; cpu++) {
1536 e = first_event[cpu];
1537 if (e == NULL) /* no events this cpu */
1540 if (e == cpu_event[cpu])
1541 e = cpu_event[cpu + 1] - 1;
1545 /* If there's an event immediately before the first one, this
1546 * cpu wrapped its event buffer */
1547 if (e->lwte_where == NULL)
1550 /* We should only start outputting events from the most recent
1551 * first event in any wrapped cpu. Events before this time on
1552 * other cpus won't have any events from this CPU to interleave
1554 if (t0 < first_event[cpu]->lwte_when)
1555 t0 = first_event[cpu]->lwte_when;
1559 /* find which cpu has the next event */
1561 for (i = 0; i < ncpus; i++) {
1563 if (next_event[i] == NULL) /* this cpu exhausted */
1567 next_event[i]->lwte_when < next_event[cpu]->lwte_when)
1571 if (cpu < 0) /* all cpus exhausted */
1575 /* no wrapped cpus and this is he first ever event */
1576 t0 = next_event[cpu]->lwte_when;
1579 if (t0 <= next_event[cpu]->lwte_when) {
1580 /* on or after the first event */
1581 if (!printed_date) {
1582 cfs_cycles_t du = (tnow - t0) / mhz;
1583 time_t then = tvnow.tv_sec - du/1000000;
1585 if (du % 1000000 > tvnow.tv_usec)
1588 fprintf(f, "%s", ctime(&then));
1592 rc = lwt_print(f, t0, tlast, mhz, cpu, next_event[cpu]);
1596 if (++nlines % 10000 == 0 && f != stdout) {
1597 /* show some activity... */
1603 tlast = next_event[cpu]->lwte_when;
1606 if (next_event[cpu] == cpu_event[cpu + 1])
1607 next_event[cpu] = cpu_event[cpu];
1609 if (next_event[cpu]->lwte_where == NULL ||
1610 next_event[cpu] == first_event[cpu])
1611 next_event[cpu] = NULL;
1623 int jt_ptl_memhog(int argc, char **argv)
1625 static int gfp = 0; /* sticky! */
1627 struct libcfs_ioctl_data data;
1633 fprintf(stderr, "usage: %s <npages> [<GFP flags>]\n", argv[0]);
1637 count = strtol(argv[1], &end, 0);
1638 if (count < 0 || *end != 0) {
1639 fprintf(stderr, "Can't parse page count '%s'\n", argv[1]);
1644 rc = strtol(argv[2], &end, 0);
1646 fprintf(stderr, "Can't parse gfp flags '%s'\n", argv[2]);
1652 LIBCFS_IOC_INIT(data);
1653 data.ioc_count = count;
1654 data.ioc_flags = gfp;
1655 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_MEMHOG, &data);
1658 fprintf(stderr, "memhog %d failed: %s\n", count, strerror(errno));
1662 printf("memhog %d OK\n", count);
1666 int jt_ptl_testprotocompat(int argc, char **argv)
1668 struct libcfs_ioctl_data data;
1674 fprintf(stderr, "usage: %s <number>\n", argv[0]);
1678 flags = strtol(argv[1], &end, 0);
1679 if (flags < 0 || *end != 0) {
1680 fprintf(stderr, "Can't parse flags '%s'\n", argv[1]);
1684 LIBCFS_IOC_INIT(data);
1685 data.ioc_flags = flags;
1686 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_TESTPROTOCOMPAT, &data);
1689 fprintf(stderr, "test proto compat %x failed: %s\n",
1690 flags, strerror(errno));
1694 printf("test proto compat %x OK\n", flags);