2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
4 * This file is part of Portals, http://www.sf.net/projects/lustre/
6 * Portals is free software; you can redistribute it and/or
7 * modify it under the terms of version 2 of the GNU General Public
8 * License as published by the Free Software Foundation.
10 * Portals is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with Portals; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include <libcfs/libcfsutil.h>
22 #include <lnet/api-support.h>
23 #include <lnet/lnetctl.h>
24 #include <lnet/socklnd.h>
26 unsigned int libcfs_debug;
27 unsigned int libcfs_printk = D_CANTMASK;
32 /* Convert a string boolean to an int; "enable" -> 1 */
34 lnet_parse_bool (int *b, char *str)
36 if (!strcasecmp (str, "no") ||
37 !strcasecmp (str, "n") ||
38 !strcasecmp (str, "off") ||
39 !strcasecmp (str, "down") ||
40 !strcasecmp (str, "disable"))
46 if (!strcasecmp (str, "yes") ||
47 !strcasecmp (str, "y") ||
48 !strcasecmp (str, "on") ||
49 !strcasecmp (str, "up") ||
50 !strcasecmp (str, "enable"))
60 lnet_parse_port (int *port, char *str)
64 *port = strtol (str, &end, 0);
66 if (*end == 0 && /* parsed whole string */
67 *port > 0 && *port < 65536) /* minimal sanity check */
73 #ifdef HAVE_GETHOSTBYNAME
74 static struct hostent *
75 ptl_gethostbyname(char * hname) {
77 he = gethostbyname(hname);
82 fprintf(stderr, "Unable to resolve hostname: %s\n",
86 fprintf(stderr, "gethostbyname error for %s: %s\n",
87 hname, strerror(h_errno));
97 lnet_parse_ipquad (__u32 *ipaddrp, char *str)
104 if (sscanf (str, "%d.%d.%d.%d", &a, &b, &c, &d) == 4 &&
105 (a & ~0xff) == 0 && (b & ~0xff) == 0 &&
106 (c & ~0xff) == 0 && (d & ~0xff) == 0)
108 *ipaddrp = (a<<24)|(b<<16)|(c<<8)|d;
116 lnet_parse_ipaddr (__u32 *ipaddrp, char *str)
118 #ifdef HAVE_GETHOSTBYNAME
122 if (!strcmp (str, "_all_")) {
127 if (lnet_parse_ipquad(ipaddrp, str) == 0)
130 #ifdef HAVE_GETHOSTBYNAME
131 if ((('a' <= str[0] && str[0] <= 'z') ||
132 ('A' <= str[0] && str[0] <= 'Z')) &&
133 (he = ptl_gethostbyname (str)) != NULL) {
134 __u32 addr = *(__u32 *)he->h_addr;
136 *ipaddrp = ntohl(addr); /* HOST byte order */
145 ptl_ipaddr_2_str(__u32 ipaddr, char *str, size_t strsize, int lookup)
147 #ifdef HAVE_GETHOSTBYNAME
152 net_ip = htonl (ipaddr);
153 he = gethostbyaddr (&net_ip, sizeof (net_ip), AF_INET);
155 strncpy(str, he->h_name, strsize - 1);
156 str[strsize - 1] = '\0';
162 sprintf (str, "%d.%d.%d.%d",
163 (ipaddr >> 24) & 0xff, (ipaddr >> 16) & 0xff,
164 (ipaddr >> 8) & 0xff, ipaddr & 0xff);
169 lnet_parse_time (time_t *t, char *str)
175 *t = strtol (str, &end, 0);
176 if (*end == 0) /* parsed whole string */
179 memset (&tm, 0, sizeof (tm));
180 n = sscanf (str, "%d-%d-%d-%d:%d:%d",
181 &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
182 &tm.tm_hour, &tm.tm_min, &tm.tm_sec);
186 tm.tm_mon--; /* convert to 0 == Jan */
187 tm.tm_year -= 1900; /* y2k quirk */
188 tm.tm_isdst = -1; /* dunno if it's daylight savings... */
191 if (*t == (time_t)-1)
198 lnet_parse_nid(char *nid_str, lnet_process_id_t *id_ptr)
200 id_ptr->pid = LNET_PID_ANY;
201 id_ptr->nid = libcfs_str2nid(nid_str);
202 if (id_ptr->nid == LNET_NID_ANY) {
203 fprintf (stderr, "Can't parse nid \"%s\"\n", nid_str);
210 int g_net_is_set (char *cmd)
217 "You must run the 'network' command before '%s'.\n",
222 int g_net_is_compatible (char *cmd, ...)
227 if (!g_net_is_set(cmd))
233 nal = va_arg (ap, int);
234 if (nal == LNET_NETTYP(g_net)) {
244 "Command %s not compatible with %s NAL\n",
246 libcfs_lnd2str(LNET_NETTYP(g_net)));
250 int ptl_initialize(int argc, char **argv)
252 register_ioc_dev(LNET_DEV_ID, LNET_DEV_PATH,
253 LNET_DEV_MAJOR, LNET_DEV_MINOR);
258 int jt_ptl_network(int argc, char **argv)
260 struct libcfs_ioctl_data data;
261 __u32 net = LNET_NIDNET(LNET_NID_ANY);
265 fprintf(stderr, "usage: %s <net>|up|down\n", argv[0]);
269 if (!strcmp(argv[1], "unconfigure") ||
270 !strcmp(argv[1], "down")) {
271 LIBCFS_IOC_INIT(data);
272 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_UNCONFIGURE, &data);
275 printf ("LNET ready to unload\n");
280 fprintf(stderr, "LNET busy\n");
282 fprintf(stderr, "LNET unconfigure error %d: %s\n",
283 errno, strerror(errno));
287 if (!strcmp(argv[1], "configure") ||
288 !strcmp(argv[1], "up")) {
289 LIBCFS_IOC_INIT(data);
290 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_CONFIGURE, &data);
293 printf ("LNET configured\n");
297 fprintf(stderr, "LNET configure error %d: %s\n",
298 errno, strerror(errno));
302 net = libcfs_str2net(argv[1]);
303 if (net == LNET_NIDNET(LNET_NID_ANY)) {
304 fprintf(stderr, "Can't parse net %s\n", argv[1]);
308 if (LNET_NETTYP(net) == CIBLND ||
309 LNET_NETTYP(net) == OPENIBLND ||
310 LNET_NETTYP(net) == IIBLND ||
311 LNET_NETTYP(net) == VIBLND) {
312 fprintf(stderr, "Net %s obsoleted\n", libcfs_lnd2str(net));
322 jt_ptl_list_nids(int argc, char **argv)
324 struct libcfs_ioctl_data data;
325 int all = 0, return_nid = 0;
329 all = (argc == 2) && (strcmp(argv[1], "all") == 0);
330 /* Hack to pass back value */
331 return_nid = (argc == 2) && (argv[1][0] == 1);
333 if ((argc > 2) && !(all || return_nid)) {
334 fprintf(stderr, "usage: %s [all]\n", argv[0]);
338 for (count = 0;; count++) {
339 LIBCFS_IOC_INIT (data);
340 data.ioc_count = count;
341 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_NI, &data);
344 if ((count > 0) && (errno == ENOENT))
345 /* We found them all */
347 fprintf(stderr,"IOC_LIBCFS_GET_NI error %d: %s\n",
348 errno, strerror(errno));
352 if (all || (LNET_NETTYP(LNET_NIDNET(data.ioc_nid)) != LOLND)) {
353 printf("%s\n", libcfs_nid2str(data.ioc_nid));
355 *(__u64 *)(argv[1]) = data.ioc_nid;
365 jt_ptl_which_nid (int argc, char **argv)
367 struct libcfs_ioctl_data data;
370 lnet_nid_t best_nid = LNET_NID_ANY;
379 fprintf(stderr, "usage: %s NID [NID...]\n", argv[0]);
383 for (i = 1; i < argc; i++) {
385 nid = libcfs_str2nid(nidstr);
386 if (nid == LNET_NID_ANY) {
387 fprintf(stderr, "Can't parse NID %s\n", nidstr);
391 LIBCFS_IOC_INIT(data);
394 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LNET_DIST, &data);
396 fprintf(stderr, "Can't get distance to %s: %s\n",
397 nidstr, strerror(errno));
401 dist = data.ioc_u32[0];
402 order = data.ioc_u32[1];
405 if (dist == -EHOSTUNREACH)
408 fprintf(stderr, "Unexpected distance to %s: %d\n",
413 if (best_nid == LNET_NID_ANY ||
415 (dist == best_dist && order < best_order)) {
422 if (best_nid == LNET_NID_ANY) {
423 fprintf(stderr, "No reachable NID\n");
427 printf("%s\n", libcfs_nid2str(best_nid));
432 jt_ptl_print_interfaces (int argc, char **argv)
434 struct libcfs_ioctl_data data;
435 char buffer[3][HOST_NAME_MAX + 1];
439 if (!g_net_is_compatible (argv[0], SOCKLND, 0))
442 for (index = 0;;index++) {
443 LIBCFS_IOC_INIT(data);
444 data.ioc_net = g_net;
445 data.ioc_count = index;
447 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_INTERFACE, &data);
451 printf ("%s: (%s/%s) npeer %d nroute %d\n",
452 ptl_ipaddr_2_str(data.ioc_u32[0], buffer[2],
453 sizeof(buffer[2]), 1),
454 ptl_ipaddr_2_str(data.ioc_u32[0], buffer[0],
455 sizeof(buffer[0]), 0),
456 ptl_ipaddr_2_str(data.ioc_u32[1], buffer[1],
457 sizeof(buffer[1]), 0),
458 data.ioc_u32[2], data.ioc_u32[3]);
462 if (errno == ENOENT) {
463 printf ("<no interfaces>\n");
465 fprintf(stderr, "Error getting interfaces: %s: "
475 jt_ptl_add_interface (int argc, char **argv)
477 struct libcfs_ioctl_data data;
480 __u32 netmask = 0xffffff00;
485 if (argc < 2 || argc > 3) {
486 fprintf (stderr, "usage: %s ipaddr [netmask]\n", argv[0]);
490 if (!g_net_is_compatible(argv[0], SOCKLND, 0))
493 if (lnet_parse_ipaddr(&ipaddr, argv[1]) != 0) {
494 fprintf (stderr, "Can't parse ip: %s\n", argv[1]);
499 count = strtol(argv[2], &end, 0);
500 if (count > 0 && count < 32 && *end == 0) {
502 for (i = count; i > 0; i--)
503 netmask = netmask|(1<<(32-i));
504 } else if (lnet_parse_ipquad(&netmask, argv[2]) != 0) {
505 fprintf (stderr, "Can't parse netmask: %s\n", argv[2]);
510 LIBCFS_IOC_INIT(data);
511 data.ioc_net = g_net;
512 data.ioc_u32[0] = ipaddr;
513 data.ioc_u32[1] = netmask;
515 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_INTERFACE, &data);
517 fprintf (stderr, "failed to add interface: %s\n",
526 jt_ptl_del_interface (int argc, char **argv)
528 struct libcfs_ioctl_data data;
533 fprintf (stderr, "usage: %s [ipaddr]\n", argv[0]);
537 if (!g_net_is_compatible(argv[0], SOCKLND, 0))
541 lnet_parse_ipaddr(&ipaddr, argv[1]) != 0) {
542 fprintf (stderr, "Can't parse ip: %s\n", argv[1]);
546 LIBCFS_IOC_INIT(data);
547 data.ioc_net = g_net;
548 data.ioc_u32[0] = ipaddr;
550 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_INTERFACE, &data);
552 fprintf (stderr, "failed to delete interface: %s\n",
561 jt_ptl_print_peers (int argc, char **argv)
563 struct libcfs_ioctl_data data;
564 lnet_process_id_t id;
565 char buffer[2][HOST_NAME_MAX + 1];
569 if (!g_net_is_compatible (argv[0], SOCKLND, RALND, PTLLND, MXLND,
573 for (index = 0;;index++) {
574 LIBCFS_IOC_INIT(data);
575 data.ioc_net = g_net;
576 data.ioc_count = index;
578 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_PEER, &data);
582 if (g_net_is_compatible(NULL, SOCKLND, 0)) {
583 id.nid = data.ioc_nid;
584 id.pid = data.ioc_u32[4];
585 printf ("%-20s [%d]%s->%s:%d #%d\n",
587 data.ioc_count, /* persistence */
589 ptl_ipaddr_2_str(data.ioc_u32[2], buffer[0],
590 sizeof(buffer[0]), 1),
592 ptl_ipaddr_2_str(data.ioc_u32[0], buffer[1],
593 sizeof(buffer[1]), 1),
594 data.ioc_u32[1], /* peer port */
595 data.ioc_u32[3]); /* conn_count */
596 } else if (g_net_is_compatible(NULL, PTLLND, 0)) {
597 id.nid = data.ioc_nid;
598 id.pid = data.ioc_u32[4];
599 printf ("%-20s s %d%s [%d] "LPD64".%06d"
600 " m "LPD64"/"LPD64" q %d/%d c %d/%d\n",
602 data.ioc_net, /* state */
603 data.ioc_flags ? "" : " ~!h", /* sent_hello */
604 data.ioc_count, /* refcount */
605 data.ioc_u64[0]/1000000, /* incarnation secs */
606 (int)(data.ioc_u64[0]%1000000), /* incarnation usecs */
607 (((__u64)data.ioc_u32[1])<<32) |
608 ((__u64)data.ioc_u32[0]), /* next_matchbits */
609 (((__u64)data.ioc_u32[3])<<32) |
610 ((__u64)data.ioc_u32[2]), /* last_matchbits_seen */
611 data.ioc_u32[5] >> 16, /* nsendq */
612 data.ioc_u32[5] & 0xffff, /* nactiveq */
613 data.ioc_u32[6] >> 16, /* credits */
614 data.ioc_u32[6] & 0xffff); /* outstanding_credits */
615 } else if (g_net_is_compatible(NULL, RALND, 0)) {
616 printf ("%-20s [%d]@%s:%d\n",
617 libcfs_nid2str(data.ioc_nid), /* peer nid */
618 data.ioc_count, /* peer persistence */
620 ptl_ipaddr_2_str(data.ioc_u32[0], buffer[1],
621 sizeof(buffer[1]), 1),
622 data.ioc_u32[1]); /* peer port */
623 } else if (g_net_is_compatible(NULL, GNILND, 0)) {
624 int disconn = data.ioc_flags >> 16;
630 state = data.ioc_flags & 0xffff ? "C" : "U";
632 printf ("%-20s (%d) %s [%d] "LPU64" "
633 "sq %d/%d tx %d/%d/%d\n",
634 libcfs_nid2str(data.ioc_nid), /* peer nid */
635 data.ioc_net, /* gemini device id */
636 state, /* peer is Connecting, Up, or Down */
637 data.ioc_count, /* peer refcount */
638 data.ioc_u64[0], /* peerstamp */
639 data.ioc_u32[2], data.ioc_u32[3], /* tx and rx seq */
640 /* fmaq, nfma, nrdma */
641 data.ioc_u32[0], data.ioc_u32[1], data.ioc_u32[4]
644 printf ("%-20s [%d]\n",
645 libcfs_nid2str(data.ioc_nid), data.ioc_count);
650 if (errno == ENOENT) {
651 printf ("<no peers>\n");
653 fprintf(stderr, "Error getting peer list: %s: "
662 jt_ptl_add_peer (int argc, char **argv)
664 struct libcfs_ioctl_data data;
670 if (!g_net_is_compatible (argv[0], SOCKLND, RALND,
675 fprintf (stderr, "usage(tcp,ra,gni): %s nid ipaddr port\n",
680 nid = libcfs_str2nid(argv[1]);
681 if (nid == LNET_NID_ANY) {
682 fprintf (stderr, "Can't parse NID: %s\n", argv[1]);
686 if (lnet_parse_ipaddr (&ip, argv[2]) != 0) {
687 fprintf (stderr, "Can't parse ip addr: %s\n", argv[2]);
691 if (lnet_parse_port (&port, argv[3]) != 0) {
692 fprintf (stderr, "Can't parse port: %s\n", argv[3]);
696 LIBCFS_IOC_INIT(data);
697 data.ioc_net = g_net;
699 data.ioc_u32[0] = ip;
700 data.ioc_u32[1] = port;
702 rc = l_ioctl (LNET_DEV_ID, IOC_LIBCFS_ADD_PEER, &data);
704 fprintf (stderr, "failed to add peer: %s\n",
713 jt_ptl_del_peer (int argc, char **argv)
715 struct libcfs_ioctl_data data;
716 lnet_nid_t nid = LNET_NID_ANY;
717 lnet_pid_t pid = LNET_PID_ANY;
722 if (!g_net_is_compatible (argv[0], SOCKLND, RALND, MXLND, PTLLND,
726 if (g_net_is_compatible(NULL, SOCKLND, 0)) {
728 fprintf (stderr, "usage: %s [nid] [ipaddr]\n",
732 } else if (g_net_is_compatible(NULL, PTLLND, 0)) {
734 fprintf (stderr, "usage: %s [nid] [pid]\n",
738 } else if (argc > 2) {
739 fprintf (stderr, "usage: %s [nid]\n", argv[0]);
744 !libcfs_str2anynid(&nid, argv[1])) {
745 fprintf (stderr, "Can't parse nid: %s\n", argv[1]);
749 if (g_net_is_compatible(NULL, SOCKLND, 0)) {
751 lnet_parse_ipaddr (&ip, argv[2]) != 0) {
752 fprintf (stderr, "Can't parse ip addr: %s\n",
756 } else if (g_net_is_compatible(NULL, PTLLND, 0)) {
758 pid = strtol(argv[2], &end, 0);
759 if (end == argv[2] || *end == 0) {
760 fprintf(stderr, "Can't parse pid %s\n",
767 LIBCFS_IOC_INIT(data);
768 data.ioc_net = g_net;
770 data.ioc_u32[0] = ip;
771 data.ioc_u32[1] = pid;
773 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_PEER, &data);
775 fprintf (stderr, "failed to remove peer: %s\n",
784 jt_ptl_print_connections (int argc, char **argv)
786 struct libcfs_ioctl_data data;
787 lnet_process_id_t id;
788 char buffer[2][HOST_NAME_MAX + 1];
792 if (!g_net_is_compatible (argv[0], SOCKLND, RALND, MXLND, O2IBLND,
796 for (index = 0; ; index++) {
797 LIBCFS_IOC_INIT(data);
798 data.ioc_net = g_net;
799 data.ioc_count = index;
801 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_CONN, &data);
805 if (g_net_is_compatible (NULL, SOCKLND, 0)) {
806 id.nid = data.ioc_nid;
807 id.pid = data.ioc_u32[6];
808 printf ("%-20s %s[%d]%s->%s:%d %d/%d %s\n",
810 (data.ioc_u32[3] == SOCKLND_CONN_ANY) ? "A" :
811 (data.ioc_u32[3] == SOCKLND_CONN_CONTROL) ? "C" :
812 (data.ioc_u32[3] == SOCKLND_CONN_BULK_IN) ? "I" :
813 (data.ioc_u32[3] == SOCKLND_CONN_BULK_OUT) ? "O" : "?",
814 data.ioc_u32[4], /* scheduler */
816 ptl_ipaddr_2_str(data.ioc_u32[2], buffer[0],
817 sizeof(buffer[0]), 1),
819 ptl_ipaddr_2_str(data.ioc_u32[0], buffer[1],
820 sizeof(buffer[1]), 1),
821 data.ioc_u32[1], /* remote port */
822 data.ioc_count, /* tx buffer size */
823 data.ioc_u32[5], /* rx buffer size */
824 data.ioc_flags ? "nagle" : "nonagle");
825 } else if (g_net_is_compatible (NULL, RALND, 0)) {
826 printf ("%-20s [%d]\n",
827 libcfs_nid2str(data.ioc_nid),
828 data.ioc_u32[0] /* device id */);
829 } else if (g_net_is_compatible (NULL, O2IBLND, 0)) {
830 printf ("%s mtu %d\n",
831 libcfs_nid2str(data.ioc_nid),
832 data.ioc_u32[0]); /* path MTU */
833 } else if (g_net_is_compatible (NULL, GNILND, 0)) {
834 printf ("%-20s [%d]\n",
835 libcfs_nid2str(data.ioc_nid),
836 data.ioc_u32[0] /* device id */);
838 printf ("%s\n", libcfs_nid2str(data.ioc_nid));
843 if (errno == ENOENT) {
844 printf ("<no connections>\n");
846 fprintf(stderr, "Error getting connection list: %s: "
854 int jt_ptl_disconnect(int argc, char **argv)
856 struct libcfs_ioctl_data data;
857 lnet_nid_t nid = LNET_NID_ANY;
862 fprintf(stderr, "usage: %s [nid] [ipaddr]\n", argv[0]);
866 if (!g_net_is_compatible (NULL, SOCKLND, RALND, MXLND, O2IBLND,
871 !libcfs_str2anynid(&nid, argv[1])) {
872 fprintf (stderr, "Can't parse nid %s\n", argv[1]);
876 if (g_net_is_compatible (NULL, SOCKLND, 0) &&
878 lnet_parse_ipaddr (&ipaddr, argv[2]) != 0) {
879 fprintf (stderr, "Can't parse ip addr %s\n", argv[2]);
883 LIBCFS_IOC_INIT(data);
884 data.ioc_net = g_net;
886 data.ioc_u32[0] = ipaddr;
888 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_CLOSE_CONNECTION, &data);
890 fprintf(stderr, "failed to remove connection: %s\n",
898 int jt_ptl_push_connection (int argc, char **argv)
900 struct libcfs_ioctl_data data;
902 lnet_nid_t nid = LNET_NID_ANY;
905 fprintf(stderr, "usage: %s [nid]\n", argv[0]);
909 if (!g_net_is_compatible (argv[0], SOCKLND, GNILND, 0))
913 !libcfs_str2anynid(&nid, argv[1])) {
914 fprintf(stderr, "Can't parse nid: %s\n", argv[1]);
918 LIBCFS_IOC_INIT(data);
919 data.ioc_net = g_net;
922 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_PUSH_CONNECTION, &data);
924 fprintf(stderr, "failed to push connection: %s\n",
933 jt_ptl_print_active_txs (int argc, char **argv)
935 struct libcfs_ioctl_data data;
939 if (!g_net_is_compatible (argv[0], QSWLND, 0))
942 for (index = 0;;index++) {
943 LIBCFS_IOC_INIT(data);
944 data.ioc_net = g_net;
945 data.ioc_count = index;
947 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_TXDESC, &data);
951 printf ("type %u payload %6d to %s via %s by pid %6d: "
952 "%s, %s, state %d\n",
955 libcfs_nid2str(data.ioc_nid),
956 libcfs_nid2str(data.ioc_u64[0]),
958 (data.ioc_flags & 1) ? "delayed" : "immediate",
959 (data.ioc_flags & 2) ? "nblk" : "normal",
960 data.ioc_flags >> 2);
964 if (errno == ENOENT) {
965 printf ("<no active descs>\n");
967 fprintf(stderr, "Error getting active transmits list: "
968 "%s: check dmesg.\n",
975 int jt_ptl_ping(int argc, char **argv)
979 lnet_process_id_t id;
980 lnet_process_id_t ids[16];
981 int maxids = sizeof(ids)/sizeof(ids[0]);
982 struct libcfs_ioctl_data data;
987 fprintf(stderr, "usage: %s id [timeout (secs)]\n", argv[0]);
991 sep = strchr(argv[1], '-');
993 rc = lnet_parse_nid(argv[1], &id);
999 if (argv[1][0] == 'u' ||
1001 id.pid = strtoul(&argv[1][1], &end, 0) | LNET_PID_USERFLAG;
1003 id.pid = strtoul(argv[1], &end, 0);
1005 if (end != sep) { /* assuming '-' is part of hostname */
1006 rc = lnet_parse_nid(argv[1], &id);
1010 id.nid = libcfs_str2nid(sep + 1);
1012 if (id.nid == LNET_NID_ANY) {
1014 "Can't parse process id \"%s\"\n",
1022 timeout = 1000 * atol(argv[2]);
1024 timeout = 1000; /* default 1 second timeout */
1026 LIBCFS_IOC_INIT (data);
1027 data.ioc_nid = id.nid;
1028 data.ioc_u32[0] = id.pid;
1029 data.ioc_u32[1] = timeout;
1030 data.ioc_plen1 = sizeof(ids);
1031 data.ioc_pbuf1 = (char *)ids;
1033 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_PING, &data);
1035 fprintf(stderr, "failed to ping %s: %s\n",
1036 id.pid == LNET_PID_ANY ?
1037 libcfs_nid2str(id.nid) : libcfs_id2str(id),
1042 for (i = 0; i < data.ioc_count && i < maxids; i++)
1043 printf("%s\n", libcfs_id2str(ids[i]));
1045 if (data.ioc_count > maxids)
1046 printf("%d out of %d ids listed\n", maxids, data.ioc_count);
1051 int jt_ptl_mynid(int argc, char **argv)
1053 struct libcfs_ioctl_data data;
1058 fprintf(stderr, "usage: %s NID\n", argv[0]);
1062 nid = libcfs_str2nid(argv[1]);
1063 if (nid == LNET_NID_ANY) {
1064 fprintf(stderr, "Can't parse NID '%s'\n", argv[1]);
1068 LIBCFS_IOC_INIT(data);
1069 data.ioc_net = LNET_NIDNET(nid);
1072 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_REGISTER_MYNID, &data);
1074 fprintf(stderr, "setting my NID failed: %s\n",
1077 printf("registered my nid %s\n", libcfs_nid2str(nid));
1083 jt_ptl_fail_nid (int argc, char **argv)
1087 unsigned int threshold;
1088 struct libcfs_ioctl_data data;
1090 if (argc < 2 || argc > 3)
1092 fprintf (stderr, "usage: %s nid|\"*\" [count (0 == mend)]\n", argv[0]);
1096 if (!libcfs_str2anynid(&nid, argv[1]))
1098 fprintf (stderr, "Can't parse nid \"%s\"\n", argv[1]);
1103 threshold = LNET_MD_THRESH_INF;
1104 } else if (sscanf (argv[2], "%i", &threshold) != 1) {
1105 fprintf (stderr, "Can't parse count \"%s\"\n", argv[2]);
1109 LIBCFS_IOC_INIT (data);
1111 data.ioc_count = threshold;
1113 rc = l_ioctl (LNET_DEV_ID, IOC_LIBCFS_FAIL_NID, &data);
1115 fprintf (stderr, "IOC_LIBCFS_FAIL_NID failed: %s\n",
1118 printf ("%s %s\n", threshold == 0 ? "Unfailing" : "Failing", argv[1]);
1124 jt_ptl_add_route (int argc, char **argv)
1126 struct libcfs_ioctl_data data;
1127 lnet_nid_t gateway_nid;
1128 unsigned int hops = 1;
1132 if (argc < 2 || argc > 3)
1134 fprintf (stderr, "usage: %s gateway [hopcount]\n", argv[0]);
1138 if (!g_net_is_set(argv[0]))
1141 gateway_nid = libcfs_str2nid(argv[1]);
1142 if (gateway_nid == LNET_NID_ANY) {
1143 fprintf (stderr, "Can't parse gateway NID \"%s\"\n", argv[1]);
1148 hops = strtoul(argv[2], &end, 0);
1149 if (hops >= 256 || *end != 0) {
1150 fprintf (stderr, "Can't parse hopcount \"%s\"\n", argv[2]);
1155 LIBCFS_IOC_INIT(data);
1156 data.ioc_net = g_net;
1157 data.ioc_count = hops;
1158 data.ioc_nid = gateway_nid;
1160 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_ADD_ROUTE, &data);
1162 fprintf (stderr, "IOC_LIBCFS_ADD_ROUTE failed: %s\n", strerror (errno));
1170 jt_ptl_del_route (int argc, char **argv)
1172 struct libcfs_ioctl_data data;
1177 fprintf (stderr, "usage: %s gatewayNID\n", argv[0]);
1181 if (!libcfs_str2anynid(&nid, argv[1])) {
1182 fprintf (stderr, "Can't parse gateway NID "
1183 "\"%s\"\n", argv[1]);
1187 LIBCFS_IOC_INIT(data);
1188 data.ioc_net = g_net_set ? g_net : LNET_NIDNET(LNET_NID_ANY);
1191 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_DEL_ROUTE, &data);
1193 fprintf (stderr, "IOC_LIBCFS_DEL_ROUTE (%s) failed: %s\n",
1194 libcfs_nid2str(nid), strerror (errno));
1202 jt_ptl_notify_router (int argc, char **argv)
1204 struct libcfs_ioctl_data data;
1213 fprintf (stderr, "usage: %s targetNID <up/down> [<time>]\n",
1218 nid = libcfs_str2nid(argv[1]);
1219 if (nid == LNET_NID_ANY) {
1220 fprintf (stderr, "Can't parse target NID \"%s\"\n", argv[1]);
1224 if (lnet_parse_bool (&enable, argv[2]) != 0) {
1225 fprintf (stderr, "Can't parse boolean %s\n", argv[2]);
1229 gettimeofday(&now, NULL);
1233 } else if (lnet_parse_time (&when, argv[3]) != 0) {
1234 fprintf(stderr, "Can't parse time %s\n"
1235 "Please specify either 'YYYY-MM-DD-HH:MM:SS'\n"
1236 "or an absolute unix time in seconds\n", argv[3]);
1238 } else if (when > now.tv_sec) {
1239 fprintf (stderr, "%s specifies a time in the future\n",
1244 LIBCFS_IOC_INIT(data);
1246 data.ioc_flags = enable;
1247 /* Yeuch; 'cept I need a __u64 on 64 bit machines... */
1248 data.ioc_u64[0] = (__u64)when;
1250 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_NOTIFY_ROUTER, &data);
1252 fprintf (stderr, "IOC_LIBCFS_NOTIFY_ROUTER (%s) failed: %s\n",
1253 libcfs_nid2str(nid), strerror (errno));
1261 jt_ptl_print_routes (int argc, char **argv)
1263 struct libcfs_ioctl_data data;
1271 for (index = 0;;index++)
1273 LIBCFS_IOC_INIT(data);
1274 data.ioc_count = index;
1276 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_GET_ROUTE, &data);
1281 hops = data.ioc_count;
1283 alive = data.ioc_flags;
1285 printf ("net %18s hops %u gw %32s %s\n",
1286 libcfs_net2str(net), hops,
1287 libcfs_nid2str(nid), alive ? "up" : "down");
1290 if (errno != ENOENT)
1291 fprintf(stderr, "Error getting routes: %s: check dmesg.\n",
1298 lwt_control(int enable, int clear)
1300 struct libcfs_ioctl_data data;
1303 LIBCFS_IOC_INIT(data);
1304 data.ioc_flags = (enable ? 1 : 0) | (clear ? 2 : 0);
1306 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LWT_CONTROL, &data);
1310 fprintf(stderr, "IOC_LIBCFS_LWT_CONTROL failed: %s\n",
1316 lwt_snapshot(cfs_cycles_t *now, int *ncpu, int *totalsize,
1317 lwt_event_t *events, int size)
1319 struct libcfs_ioctl_data data;
1322 LIBCFS_IOC_INIT(data);
1323 data.ioc_pbuf1 = (char *)events;
1324 data.ioc_plen1 = size;
1326 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LWT_SNAPSHOT, &data);
1328 fprintf(stderr, "IOC_LIBCFS_LWT_SNAPSHOT failed: %s\n",
1333 /* crappy overloads */
1334 if (data.ioc_u32[2] != sizeof(lwt_event_t) ||
1335 data.ioc_u32[3] != offsetof(lwt_event_t, lwte_where)) {
1336 fprintf(stderr,"kernel/user LWT event mismatch %d(%d),%d(%d)\n",
1337 (int)data.ioc_u32[2], (int)sizeof(lwt_event_t),
1338 (int)data.ioc_u32[3],
1339 (int)offsetof(lwt_event_t, lwte_where));
1344 *now = data.ioc_u64[0];
1346 LASSERT (data.ioc_u32[0] != 0);
1348 *ncpu = data.ioc_u32[0];
1350 LASSERT (data.ioc_u32[1] != 0);
1351 if (totalsize != NULL)
1352 *totalsize = data.ioc_u32[1];
1358 lwt_get_string(char *kstr)
1361 struct libcfs_ioctl_data data;
1365 /* FIXME: this could maintain a symbol table since we expect to be
1366 * looking up the same strings all the time... */
1368 LIBCFS_IOC_INIT(data);
1369 data.ioc_pbuf1 = kstr;
1370 data.ioc_plen1 = 1; /* non-zero just to fool portal_ioctl_is_invalid() */
1371 data.ioc_pbuf2 = NULL;
1374 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LWT_LOOKUP_STRING, &data);
1376 fprintf(stderr, "IOC_LIBCFS_LWT_LOOKUP_STRING failed: %s\n",
1381 size = data.ioc_count;
1382 ustr = (char *)malloc(size);
1384 fprintf(stderr, "Can't allocate string storage of size %d\n",
1389 LIBCFS_IOC_INIT(data);
1390 data.ioc_pbuf1 = kstr;
1391 data.ioc_plen1 = 1; /* non-zero just to fool portal_ioctl_is_invalid() */
1392 data.ioc_pbuf2 = ustr;
1393 data.ioc_plen2 = size;
1395 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LWT_LOOKUP_STRING, &data);
1397 fprintf(stderr, "IOC_LIBCFS_LWT_LOOKUP_STRING failed: %s\n",
1402 LASSERT(strlen(ustr) == size - 1);
1407 lwt_put_string(char *ustr)
1413 lwt_print(FILE *f, cfs_cycles_t t0, cfs_cycles_t tlast, double mhz, int cpu,
1417 # error "__WORDSIZE not defined"
1418 #elif __WORDSIZE == 32
1419 # define XFMT "%#010lx"
1420 #elif __WORDSIZE== 64
1421 # define XFMT "%#018lx"
1423 # error "Unexpected __WORDSIZE"
1425 char *where = lwt_get_string(e->lwte_where);
1430 fprintf(f, XFMT" "XFMT" "XFMT" "XFMT": "XFMT" %2d %10.6f %10.2f %s\n",
1431 e->lwte_p1, e->lwte_p2, e->lwte_p3, e->lwte_p4,
1432 (long)e->lwte_task, cpu, (e->lwte_when - t0) / (mhz * 1000000.0),
1433 (t0 == e->lwte_when) ? 0.0 : (e->lwte_when - tlast) / mhz,
1436 lwt_put_string(where);
1443 get_cycles_per_usec ()
1445 FILE *f = fopen ("/proc/cpuinfo", "r");
1450 while (fgets (line, sizeof (line), f) != NULL)
1451 if (sscanf (line, "cpu MHz : %lf", &mhz) == 1) {
1458 fprintf (stderr, "Can't read/parse /proc/cpuinfo\n");
1462 #define LWT_MAX_CPUS (32)
1465 jt_ptl_lwt(int argc, char **argv)
1469 int nevents_per_cpu;
1470 lwt_event_t *events;
1471 lwt_event_t *cpu_event[LWT_MAX_CPUS + 1];
1472 lwt_event_t *next_event[LWT_MAX_CPUS];
1473 lwt_event_t *first_event[LWT_MAX_CPUS];
1482 struct timeval tvnow;
1483 int printed_date = 0;
1488 (strcmp(argv[1], "start") &&
1489 strcmp(argv[1], "stop"))) {
1492 " %s stop [fname]\n", argv[0], argv[0]);
1496 if (!strcmp(argv[1], "start")) {
1498 if (lwt_control(0, 0) != 0)
1502 if (lwt_control(0, 1) != 0)
1506 if (lwt_control(1, 0) != 0)
1512 if (lwt_snapshot(NULL, &ncpus, &totalspace, NULL, 0) != 0)
1515 if (ncpus > LWT_MAX_CPUS) {
1516 fprintf(stderr, "Too many cpus: %d (%d)\n",
1517 ncpus, LWT_MAX_CPUS);
1521 events = (lwt_event_t *)malloc(totalspace);
1522 if (events == NULL) {
1523 fprintf(stderr, "Can't allocate %d\n", totalspace);
1527 if (lwt_control(0, 0) != 0) { /* disable */
1532 if (lwt_snapshot(&tnow, NULL, NULL, events, totalspace)) {
1537 /* we want this time to be sampled at snapshot time */
1538 gettimeofday(&tvnow, NULL);
1541 f = fopen (argv[2], "w");
1543 fprintf(stderr, "Can't open %s for writing: %s\n", argv[2], strerror (errno));
1549 mhz = get_cycles_per_usec();
1551 /* carve events into per-cpu slices */
1552 nevents_per_cpu = totalspace / (ncpus * sizeof(lwt_event_t));
1553 for (cpu = 0; cpu <= ncpus; cpu++)
1554 cpu_event[cpu] = &events[cpu * nevents_per_cpu];
1556 /* find the earliest event on each cpu */
1557 for (cpu = 0; cpu < ncpus; cpu++) {
1558 first_event[cpu] = NULL;
1560 for (e = cpu_event[cpu]; e < cpu_event[cpu + 1]; e++) {
1562 if (e->lwte_where == NULL) /* not an event */
1565 if (first_event[cpu] == NULL ||
1566 first_event[cpu]->lwte_when > e->lwte_when)
1567 first_event[cpu] = e;
1570 next_event[cpu] = first_event[cpu];
1574 for (cpu = 0; cpu < ncpus; cpu++) {
1575 e = first_event[cpu];
1576 if (e == NULL) /* no events this cpu */
1579 if (e == cpu_event[cpu])
1580 e = cpu_event[cpu + 1] - 1;
1584 /* If there's an event immediately before the first one, this
1585 * cpu wrapped its event buffer */
1586 if (e->lwte_where == NULL)
1589 /* We should only start outputting events from the most recent
1590 * first event in any wrapped cpu. Events before this time on
1591 * other cpus won't have any events from this CPU to interleave
1593 if (t0 < first_event[cpu]->lwte_when)
1594 t0 = first_event[cpu]->lwte_when;
1598 /* find which cpu has the next event */
1600 for (i = 0; i < ncpus; i++) {
1602 if (next_event[i] == NULL) /* this cpu exhausted */
1606 next_event[i]->lwte_when < next_event[cpu]->lwte_when)
1610 if (cpu < 0) /* all cpus exhausted */
1614 /* no wrapped cpus and this is he first ever event */
1615 t0 = next_event[cpu]->lwte_when;
1618 if (t0 <= next_event[cpu]->lwte_when) {
1619 /* on or after the first event */
1620 if (!printed_date) {
1621 cfs_cycles_t du = (tnow - t0) / mhz;
1622 time_t then = tvnow.tv_sec - du/1000000;
1624 if (du % 1000000 > tvnow.tv_usec)
1627 fprintf(f, "%s", ctime(&then));
1631 rc = lwt_print(f, t0, tlast, mhz, cpu, next_event[cpu]);
1635 if (++nlines % 10000 == 0 && f != stdout) {
1636 /* show some activity... */
1642 tlast = next_event[cpu]->lwte_when;
1645 if (next_event[cpu] == cpu_event[cpu + 1])
1646 next_event[cpu] = cpu_event[cpu];
1648 if (next_event[cpu]->lwte_where == NULL ||
1649 next_event[cpu] == first_event[cpu])
1650 next_event[cpu] = NULL;
1662 int jt_ptl_memhog(int argc, char **argv)
1664 static int gfp = 0; /* sticky! */
1666 struct libcfs_ioctl_data data;
1672 fprintf(stderr, "usage: %s <npages> [<GFP flags>]\n", argv[0]);
1676 count = strtol(argv[1], &end, 0);
1677 if (count < 0 || *end != 0) {
1678 fprintf(stderr, "Can't parse page count '%s'\n", argv[1]);
1683 rc = strtol(argv[2], &end, 0);
1685 fprintf(stderr, "Can't parse gfp flags '%s'\n", argv[2]);
1691 LIBCFS_IOC_INIT(data);
1692 data.ioc_count = count;
1693 data.ioc_flags = gfp;
1694 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_MEMHOG, &data);
1697 fprintf(stderr, "memhog %d failed: %s\n", count, strerror(errno));
1701 printf("memhog %d OK\n", count);
1705 int jt_ptl_testprotocompat(int argc, char **argv)
1707 struct libcfs_ioctl_data data;
1713 fprintf(stderr, "usage: %s <number>\n", argv[0]);
1717 flags = strtol(argv[1], &end, 0);
1718 if (flags < 0 || *end != 0) {
1719 fprintf(stderr, "Can't parse flags '%s'\n", argv[1]);
1723 LIBCFS_IOC_INIT(data);
1724 data.ioc_flags = flags;
1725 rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_TESTPROTOCOMPAT, &data);
1728 fprintf(stderr, "test proto compat %x failed: %s\n",
1729 flags, strerror(errno));
1733 printf("test proto compat %x OK\n", flags);