1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
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.
21 * Some day I'll split all of this functionality into a cfs_debug module
22 * of its own. That day is not today.
26 #define __USE_FILE_OFFSET64
40 #include <sys/types.h>
41 #include <sys/socket.h>
42 #include <sys/ioctl.h>
46 #define BUG() /* workaround for module.h includes */
47 #include <linux/version.h>
49 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
50 #include <linux/module.h>
53 #include <portals/api-support.h>
54 #include <portals/ptlctl.h>
57 static char rawbuf[8192];
58 static char *buf = rawbuf;
59 static int max = 8192;
60 //static int g_pfd = -1;
61 static int subsystem_mask = ~0;
62 static int debug_mask = ~0;
64 #define MAX_MARK_SIZE 100
66 static const char *portal_debug_subsystems[] =
67 {"undefined", "mdc", "mds", "osc", "ost", "class", "log", "llite",
68 "rpc", "mgmt", "portals", "socknal", "qswnal", "pinger", "filter",
69 "ptlbd", "echo", "ldlm", "lov", "gmnal", "router", "cobd", NULL};
70 static const char *portal_debug_masks[] =
71 {"trace", "inode", "super", "ext2", "malloc", "cache", "info", "ioctl",
72 "blocks", "net", "warning", "buffs", "other", "dentry", "portals",
73 "page", "dlmtrace", "error", "emerg", "ha", "rpctrace", "vfstrace",
76 struct debug_daemon_cmd {
81 static const struct debug_daemon_cmd portal_debug_daemon_cmd[] = {
82 {"start", DEBUG_DAEMON_START},
83 {"stop", DEBUG_DAEMON_STOP},
84 {"pause", DEBUG_DAEMON_PAUSE},
85 {"continue", DEBUG_DAEMON_CONTINUE},
89 static int do_debug_mask(char *name, int enable)
93 for (i = 0; portal_debug_subsystems[i] != NULL; i++) {
94 if (strcasecmp(name, portal_debug_subsystems[i]) == 0 ||
95 strcasecmp(name, "all_subs") == 0) {
96 printf("%s output from subsystem \"%s\"\n",
97 enable ? "Enabling" : "Disabling",
98 portal_debug_subsystems[i]);
100 subsystem_mask |= (1 << i);
102 subsystem_mask &= ~(1 << i);
106 for (i = 0; portal_debug_masks[i] != NULL; i++) {
107 if (strcasecmp(name, portal_debug_masks[i]) == 0 ||
108 strcasecmp(name, "all_types") == 0) {
109 printf("%s output of type \"%s\"\n",
110 enable ? "Enabling" : "Disabling",
111 portal_debug_masks[i]);
113 debug_mask |= (1 << i);
115 debug_mask &= ~(1 << i);
123 int dbg_initialize(int argc, char **argv)
128 int jt_dbg_filter(int argc, char **argv)
133 fprintf(stderr, "usage: %s <subsystem ID or debug mask>\n",
138 for (i = 1; i < argc; i++)
139 if (!do_debug_mask(argv[i], 0))
140 fprintf(stderr, "Unknown subsystem or debug type: %s\n",
145 int jt_dbg_show(int argc, char **argv)
150 fprintf(stderr, "usage: %s <subsystem ID or debug mask>\n",
155 for (i = 1; i < argc; i++)
156 if (!do_debug_mask(argv[i], 1))
157 fprintf(stderr, "Unknown subsystem or debug type: %s\n",
163 static int applymask(char* procpath, int value)
167 int len = snprintf(buf, 64, "%d", value);
169 int fd = open(procpath, O_WRONLY);
171 fprintf(stderr, "Unable to open %s: %s\n",
172 procpath, strerror(errno));
175 rc = write(fd, buf, len+1);
177 fprintf(stderr, "Write to %s failed: %s\n",
178 procpath, strerror(errno));
185 extern char *dump_filename;
186 extern int dump(int dev_id, int opc, void *buf);
188 static void applymask_all(unsigned int subs_mask, unsigned int debug_mask)
190 if (!dump_filename) {
191 applymask("/proc/sys/portals/subsystem_debug", subs_mask);
192 applymask("/proc/sys/portals/debug", debug_mask);
194 struct portals_debug_ioctl_data data;
196 data.hdr.ioc_len = sizeof(data);
197 data.hdr.ioc_version = 0;
198 data.subs = subs_mask;
199 data.debug = debug_mask;
201 dump(OBD_DEV_ID, PTL_IOC_DEBUG_MASK, &data);
203 printf("Applied subsystem_debug=%d, debug=%d to /proc/sys/portals\n",
204 subs_mask, debug_mask);
207 int jt_dbg_list(int argc, char **argv)
212 fprintf(stderr, "usage: %s <subs || types>\n", argv[0]);
216 if (strcasecmp(argv[1], "subs") == 0) {
217 printf("Subsystems: all_subs");
218 for (i = 0; portal_debug_subsystems[i] != NULL; i++)
219 printf(", %s", portal_debug_subsystems[i]);
221 } else if (strcasecmp(argv[1], "types") == 0) {
222 printf("Types: all_types");
223 for (i = 0; portal_debug_masks[i] != NULL; i++)
224 printf(", %s", portal_debug_masks[i]);
226 } else if (strcasecmp(argv[1], "applymasks") == 0) {
227 applymask_all(subsystem_mask, debug_mask);
232 /* if 'raw' is true, don't strip the debug information from the front of the
234 static void dump_buffer(FILE *fd, char *buf, int size, int raw)
237 unsigned long subsystem, debug, dropped = 0, kept = 0;
240 p = memchr(buf, '\n', size);
243 subsystem = strtoul(buf, &z, 16);
244 debug = strtoul(z + 1, &z, 16);
247 /* for some reason %*s isn't working. */
249 if ((subsystem_mask & subsystem) &&
250 (!debug || (debug_mask & debug))) {
252 fprintf(fd, "%s\n", buf);
254 fprintf(fd, "%s\n", z);
255 //printf("%s\n", buf);
258 //fprintf(stderr, "dropping line (%lx:%lx): %s\n", subsystem, debug, buf);
267 printf("Debug log: %lu lines, %lu kept, %lu dropped.\n",
268 dropped + kept, kept, dropped);
271 int jt_dbg_debug_kernel(int argc, char **argv)
275 const int databuf_size = (6 << 20);
276 struct portal_ioctl_data data, *newdata;
277 char *databuf = NULL;
280 fprintf(stderr, "usage: %s [file] [raw]\n", argv[0]);
285 fd = fopen(argv[1], "w");
287 fprintf(stderr, "fopen(%s) failed: %s\n", argv[1],
295 databuf = malloc(databuf_size);
297 fprintf(stderr, "No memory for buffer.\n");
301 memset(&data, 0, sizeof(data));
302 data.ioc_plen1 = databuf_size;
303 data.ioc_pbuf1 = databuf;
305 if (portal_ioctl_pack(&data, &buf, max) != 0) {
306 fprintf(stderr, "portal_ioctl_pack failed.\n");
310 rc = l_ioctl(PORTALS_DEV_ID, IOC_PORTAL_GET_DEBUG, buf);
312 fprintf(stderr, "IOC_PORTAL_GET_DEBUG failed: %s\n",
317 newdata = (struct portal_ioctl_data *)buf;
318 if (newdata->ioc_size > 0)
319 dump_buffer(fd, databuf, newdata->ioc_size, raw);
329 int jt_dbg_debug_daemon(int argc, char **argv)
332 unsigned int cmd = 0;
334 struct portal_ioctl_data data;
337 fprintf(stderr, "usage: %s [start file <#MB>|stop|pause|"
338 "continue]\n", argv[0]);
341 for (i = 0; portal_debug_daemon_cmd[i].cmd != NULL; i++) {
342 if (strcasecmp(argv[1], portal_debug_daemon_cmd[i].cmd) == 0) {
343 cmd = portal_debug_daemon_cmd[i].cmdv;
347 if (portal_debug_daemon_cmd[i].cmd == NULL) {
348 fprintf(stderr, "usage: %s [start file <#MB>|stop|pause|"
349 "continue]\n", argv[0]);
352 memset(&data, 0, sizeof(data));
353 if (cmd == DEBUG_DAEMON_START) {
355 fprintf(stderr, "usage: %s [start file <#MB>|stop|"
356 "pause|continue]\n", argv[0]);
359 if (access(argv[2], F_OK) != 0) {
360 fd = fopen(argv[2], "w");
367 if (access(argv[2], W_OK) == 0)
369 fprintf(stderr, "fopen(%s) failed: %s\n", argv[2],
373 data.ioc_inllen1 = strlen(argv[2]) + 1;
374 data.ioc_inlbuf1 = argv[2];
379 size = strtoul(argv[3], NULL, 0);
381 fprintf(stderr, "file size(%s): error %s\n",
382 argv[3], strerror(errno));
385 data.ioc_misc = size;
388 data.ioc_count = cmd;
389 if (portal_ioctl_pack(&data, &buf, max) != 0) {
390 fprintf(stderr, "portal_ioctl_pack failed.\n");
393 rc = l_ioctl(PORTALS_DEV_ID, IOC_PORTAL_SET_DAEMON, buf);
395 fprintf(stderr, "IOC_PORTAL_SET_DEMON failed: %s\n",
402 int jt_dbg_debug_file(int argc, char **argv)
404 int rc, fd = -1, raw = 1;
405 FILE *output = stdout;
406 char *databuf = NULL;
409 if (argc > 4 || argc < 2) {
410 fprintf(stderr, "usage: %s <input> [output] [raw]\n", argv[0]);
414 fd = open(argv[1], O_RDONLY);
416 fprintf(stderr, "fopen(%s) failed: %s\n", argv[1],
421 rc = fstat(fd, &statbuf);
423 fprintf(stderr, "fstat failed: %s\n", strerror(errno));
428 output = fopen(argv[2], "w");
429 if (output == NULL) {
430 fprintf(stderr, "fopen(%s) failed: %s\n", argv[2],
439 databuf = mmap(NULL, statbuf.st_size, PROT_READ | PROT_WRITE,
441 if (databuf == NULL) {
442 fprintf(stderr, "mmap failed: %s\n", strerror(errno));
446 dump_buffer(output, databuf, statbuf.st_size, raw);
450 munmap(databuf, statbuf.st_size);
451 if (output != stdout)
458 int jt_dbg_clear_debug_buf(int argc, char **argv)
461 struct portal_ioctl_data data;
464 fprintf(stderr, "usage: %s\n", argv[0]);
468 memset(&data, 0, sizeof(data));
469 if (portal_ioctl_pack(&data, &buf, max) != 0) {
470 fprintf(stderr, "portal_ioctl_pack failed.\n");
474 rc = l_ioctl(PORTALS_DEV_ID, IOC_PORTAL_CLEAR_DEBUG, buf);
476 fprintf(stderr, "IOC_PORTAL_CLEAR_DEBUG failed: %s\n",
483 int jt_dbg_mark_debug_buf(int argc, char **argv)
485 int rc, max_size = MAX_MARK_SIZE-1;
486 struct portal_ioctl_data data;
488 time_t now = time(NULL);
492 text = malloc(MAX_MARK_SIZE);
493 strncpy(text, argv[1], max_size);
494 max_size-=strlen(argv[1]);
495 for(counter = 2; (counter < argc) && (max_size > 0) ; counter++){
496 strncat(text, " ", 1);
498 strncat(text, argv[counter], max_size);
499 max_size-=strlen(argv[counter]);
503 text[strlen(text) - 1] = '\0'; /* stupid \n */
506 text[MAX_MARK_SIZE - 1] = '\0';
509 memset(&data, 0, sizeof(data));
510 data.ioc_inllen1 = strlen(text) + 1;
511 data.ioc_inlbuf1 = text;
512 if (portal_ioctl_pack(&data, &buf, max) != 0) {
513 fprintf(stderr, "portal_ioctl_pack failed.\n");
517 rc = l_ioctl(PORTALS_DEV_ID, IOC_PORTAL_MARK_DEBUG, buf);
519 fprintf(stderr, "IOC_PORTAL_MARK_DEBUG failed: %s\n",
526 int jt_dbg_modules(int argc, char **argv)
528 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
531 } *mp, mod_paths[] = {
532 {"portals", "lustre/portals/libcfs"},
533 {"ksocknal", "lustre/portals/knals/socknal"},
534 {"kptlrouter", "lustre/portals/router"},
535 {"lvfs", "lustre/lvfs"},
536 {"obdclass", "lustre/obdclass"},
537 {"llog_test", "lustre/obdclass"},
538 {"ptlrpc", "lustre/ptlrpc"},
539 {"obdext2", "lustre/obdext2"},
540 {"ost", "lustre/ost"},
541 {"osc", "lustre/osc"},
542 {"mds", "lustre/mds"},
543 {"mdc", "lustre/mdc"},
544 {"llite", "lustre/llite"},
545 {"obdecho", "lustre/obdecho"},
546 {"ldlm", "lustre/ldlm"},
547 {"obdfilter", "lustre/obdfilter"},
548 {"extN", "lustre/extN"},
549 {"lov", "lustre/lov"},
550 {"fsfilt_ext3", "lustre/lvfs"},
551 {"fsfilt_extN", "lustre/lvfs"},
552 {"fsfilt_reiserfs", "lustre/lvfs"},
553 {"mds_ext2", "lustre/mds"},
554 {"mds_ext3", "lustre/mds"},
555 {"mds_extN", "lustre/mds"},
556 {"ptlbd", "lustre/ptlbd"},
557 {"mgmt_svc", "lustre/mgmt"},
558 {"mgmt_cli", "lustre/mgmt"},
562 char *kernel = "linux";
569 printf("%s [path] [kernel]\n", argv[0]);
573 for (mp = mod_paths; mp->name != NULL; mp++) {
574 struct module_info info;
577 int query_module(const char *name, int which, void *buf,
578 size_t bufsize, size_t *ret);
580 rc = query_module(mp->name, QM_INFO, &info, sizeof(info),
584 printf("query_module(%s) failed: %s\n",
585 mp->name, strerror(errno));
587 printf("add-symbol-file %s/%s/%s.o 0x%0lx\n", path,
589 info.addr + sizeof(struct module));
595 printf("jt_dbg_module is not yet implemented for Linux 2.5\n");
597 #endif /* linux 2.5 */
600 int jt_dbg_panic(int argc, char **argv)
603 struct portal_ioctl_data data;
606 fprintf(stderr, "usage: %s\n", argv[0]);
610 memset(&data, 0, sizeof(data));
611 if (portal_ioctl_pack(&data, &buf, max) != 0) {
612 fprintf(stderr, "portal_ioctl_pack failed.\n");
616 rc = l_ioctl(PORTALS_DEV_ID, IOC_PORTAL_PANIC, buf);
618 fprintf(stderr, "IOC_PORTAL_PANIC failed: %s\n",