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", "ibnal",
71 static const char *portal_debug_masks[] =
72 {"trace", "inode", "super", "ext2", "malloc", "cache", "info", "ioctl",
73 "blocks", "net", "warning", "buffs", "other", "dentry", "portals",
74 "page", "dlmtrace", "error", "emerg", "ha", "rpctrace", "vfstrace",
77 struct debug_daemon_cmd {
82 static const struct debug_daemon_cmd portal_debug_daemon_cmd[] = {
83 {"start", DEBUG_DAEMON_START},
84 {"stop", DEBUG_DAEMON_STOP},
85 {"pause", DEBUG_DAEMON_PAUSE},
86 {"continue", DEBUG_DAEMON_CONTINUE},
90 static int do_debug_mask(char *name, int enable)
94 for (i = 0; portal_debug_subsystems[i] != NULL; i++) {
95 if (strcasecmp(name, portal_debug_subsystems[i]) == 0 ||
96 strcasecmp(name, "all_subs") == 0) {
97 printf("%s output from subsystem \"%s\"\n",
98 enable ? "Enabling" : "Disabling",
99 portal_debug_subsystems[i]);
101 subsystem_mask |= (1 << i);
103 subsystem_mask &= ~(1 << i);
107 for (i = 0; portal_debug_masks[i] != NULL; i++) {
108 if (strcasecmp(name, portal_debug_masks[i]) == 0 ||
109 strcasecmp(name, "all_types") == 0) {
110 printf("%s output of type \"%s\"\n",
111 enable ? "Enabling" : "Disabling",
112 portal_debug_masks[i]);
114 debug_mask |= (1 << i);
116 debug_mask &= ~(1 << i);
124 int dbg_initialize(int argc, char **argv)
129 int jt_dbg_filter(int argc, char **argv)
134 fprintf(stderr, "usage: %s <subsystem ID or debug mask>\n",
139 for (i = 1; i < argc; i++)
140 if (!do_debug_mask(argv[i], 0))
141 fprintf(stderr, "Unknown subsystem or debug type: %s\n",
146 int jt_dbg_show(int argc, char **argv)
151 fprintf(stderr, "usage: %s <subsystem ID or debug mask>\n",
156 for (i = 1; i < argc; i++)
157 if (!do_debug_mask(argv[i], 1))
158 fprintf(stderr, "Unknown subsystem or debug type: %s\n",
164 static int applymask(char* procpath, int value)
168 int len = snprintf(buf, 64, "%d", value);
170 int fd = open(procpath, O_WRONLY);
172 fprintf(stderr, "Unable to open %s: %s\n",
173 procpath, strerror(errno));
176 rc = write(fd, buf, len+1);
178 fprintf(stderr, "Write to %s failed: %s\n",
179 procpath, strerror(errno));
186 extern char *dump_filename;
187 extern int dump(int dev_id, int opc, void *buf);
189 static void applymask_all(unsigned int subs_mask, unsigned int debug_mask)
191 if (!dump_filename) {
192 applymask("/proc/sys/portals/subsystem_debug", subs_mask);
193 applymask("/proc/sys/portals/debug", debug_mask);
195 struct portals_debug_ioctl_data data;
197 data.hdr.ioc_len = sizeof(data);
198 data.hdr.ioc_version = 0;
199 data.subs = subs_mask;
200 data.debug = debug_mask;
202 dump(OBD_DEV_ID, PTL_IOC_DEBUG_MASK, &data);
204 printf("Applied subsystem_debug=%d, debug=%d to /proc/sys/portals\n",
205 subs_mask, debug_mask);
208 int jt_dbg_list(int argc, char **argv)
213 fprintf(stderr, "usage: %s <subs || types>\n", argv[0]);
217 if (strcasecmp(argv[1], "subs") == 0) {
218 printf("Subsystems: all_subs");
219 for (i = 0; portal_debug_subsystems[i] != NULL; i++)
220 printf(", %s", portal_debug_subsystems[i]);
222 } else if (strcasecmp(argv[1], "types") == 0) {
223 printf("Types: all_types");
224 for (i = 0; portal_debug_masks[i] != NULL; i++)
225 printf(", %s", portal_debug_masks[i]);
227 } else if (strcasecmp(argv[1], "applymasks") == 0) {
228 applymask_all(subsystem_mask, debug_mask);
233 /* if 'raw' is true, don't strip the debug information from the front of the
235 static void dump_buffer(FILE *fd, char *buf, int size, int raw)
238 unsigned long subsystem, debug, dropped = 0, kept = 0;
241 p = memchr(buf, '\n', size);
244 subsystem = strtoul(buf, &z, 16);
245 debug = strtoul(z + 1, &z, 16);
248 /* for some reason %*s isn't working. */
250 if ((subsystem_mask & subsystem) &&
251 (!debug || (debug_mask & debug))) {
253 fprintf(fd, "%s\n", buf);
255 fprintf(fd, "%s\n", z);
256 //printf("%s\n", buf);
259 //fprintf(stderr, "dropping line (%lx:%lx): %s\n", subsystem, debug, buf);
268 printf("Debug log: %lu lines, %lu kept, %lu dropped.\n",
269 dropped + kept, kept, dropped);
272 int jt_dbg_debug_kernel(int argc, char **argv)
276 const int databuf_size = (6 << 20);
277 struct portal_ioctl_data data, *newdata;
278 char *databuf = NULL;
281 fprintf(stderr, "usage: %s [file] [raw]\n", argv[0]);
286 fd = fopen(argv[1], "w");
288 fprintf(stderr, "fopen(%s) failed: %s\n", argv[1],
296 databuf = malloc(databuf_size);
298 fprintf(stderr, "No memory for buffer.\n");
302 memset(&data, 0, sizeof(data));
303 data.ioc_plen1 = databuf_size;
304 data.ioc_pbuf1 = databuf;
306 if (portal_ioctl_pack(&data, &buf, max) != 0) {
307 fprintf(stderr, "portal_ioctl_pack failed.\n");
311 rc = l_ioctl(PORTALS_DEV_ID, IOC_PORTAL_GET_DEBUG, buf);
313 fprintf(stderr, "IOC_PORTAL_GET_DEBUG failed: %s\n",
318 newdata = (struct portal_ioctl_data *)buf;
319 if (newdata->ioc_size > 0)
320 dump_buffer(fd, databuf, newdata->ioc_size, raw);
330 int jt_dbg_debug_daemon(int argc, char **argv)
333 unsigned int cmd = 0;
335 struct portal_ioctl_data data;
338 fprintf(stderr, "usage: %s [start file <#MB>|stop|pause|"
339 "continue]\n", argv[0]);
342 for (i = 0; portal_debug_daemon_cmd[i].cmd != NULL; i++) {
343 if (strcasecmp(argv[1], portal_debug_daemon_cmd[i].cmd) == 0) {
344 cmd = portal_debug_daemon_cmd[i].cmdv;
348 if (portal_debug_daemon_cmd[i].cmd == NULL) {
349 fprintf(stderr, "usage: %s [start file <#MB>|stop|pause|"
350 "continue]\n", argv[0]);
353 memset(&data, 0, sizeof(data));
354 if (cmd == DEBUG_DAEMON_START) {
356 fprintf(stderr, "usage: %s [start file <#MB>|stop|"
357 "pause|continue]\n", argv[0]);
360 if (access(argv[2], F_OK) != 0) {
361 fd = fopen(argv[2], "w");
368 if (access(argv[2], W_OK) == 0)
370 fprintf(stderr, "fopen(%s) failed: %s\n", argv[2],
374 data.ioc_inllen1 = strlen(argv[2]) + 1;
375 data.ioc_inlbuf1 = argv[2];
380 size = strtoul(argv[3], NULL, 0);
382 fprintf(stderr, "file size(%s): error %s\n",
383 argv[3], strerror(errno));
386 data.ioc_misc = size;
389 data.ioc_count = cmd;
390 if (portal_ioctl_pack(&data, &buf, max) != 0) {
391 fprintf(stderr, "portal_ioctl_pack failed.\n");
394 rc = l_ioctl(PORTALS_DEV_ID, IOC_PORTAL_SET_DAEMON, buf);
396 fprintf(stderr, "IOC_PORTAL_SET_DEMON failed: %s\n",
403 int jt_dbg_debug_file(int argc, char **argv)
405 int rc, fd = -1, raw = 1;
406 FILE *output = stdout;
407 char *databuf = NULL;
410 if (argc > 4 || argc < 2) {
411 fprintf(stderr, "usage: %s <input> [output] [raw]\n", argv[0]);
415 fd = open(argv[1], O_RDONLY);
417 fprintf(stderr, "fopen(%s) failed: %s\n", argv[1],
422 rc = fstat(fd, &statbuf);
424 fprintf(stderr, "fstat failed: %s\n", strerror(errno));
429 output = fopen(argv[2], "w");
430 if (output == NULL) {
431 fprintf(stderr, "fopen(%s) failed: %s\n", argv[2],
440 databuf = mmap(NULL, statbuf.st_size, PROT_READ | PROT_WRITE,
442 if (databuf == NULL) {
443 fprintf(stderr, "mmap failed: %s\n", strerror(errno));
447 dump_buffer(output, databuf, statbuf.st_size, raw);
451 munmap(databuf, statbuf.st_size);
452 if (output != stdout)
459 int jt_dbg_clear_debug_buf(int argc, char **argv)
462 struct portal_ioctl_data data;
465 fprintf(stderr, "usage: %s\n", argv[0]);
469 memset(&data, 0, sizeof(data));
470 if (portal_ioctl_pack(&data, &buf, max) != 0) {
471 fprintf(stderr, "portal_ioctl_pack failed.\n");
475 rc = l_ioctl(PORTALS_DEV_ID, IOC_PORTAL_CLEAR_DEBUG, buf);
477 fprintf(stderr, "IOC_PORTAL_CLEAR_DEBUG failed: %s\n",
484 int jt_dbg_mark_debug_buf(int argc, char **argv)
486 int rc, max_size = MAX_MARK_SIZE-1;
487 struct portal_ioctl_data data;
489 time_t now = time(NULL);
493 text = malloc(MAX_MARK_SIZE);
494 strncpy(text, argv[1], max_size);
495 max_size-=strlen(argv[1]);
496 for(counter = 2; (counter < argc) && (max_size > 0) ; counter++){
497 strncat(text, " ", 1);
499 strncat(text, argv[counter], max_size);
500 max_size-=strlen(argv[counter]);
504 text[strlen(text) - 1] = '\0'; /* stupid \n */
507 text[MAX_MARK_SIZE - 1] = '\0';
510 memset(&data, 0, sizeof(data));
511 data.ioc_inllen1 = strlen(text) + 1;
512 data.ioc_inlbuf1 = text;
513 if (portal_ioctl_pack(&data, &buf, max) != 0) {
514 fprintf(stderr, "portal_ioctl_pack failed.\n");
518 rc = l_ioctl(PORTALS_DEV_ID, IOC_PORTAL_MARK_DEBUG, buf);
520 fprintf(stderr, "IOC_PORTAL_MARK_DEBUG failed: %s\n",
527 int jt_dbg_modules(int argc, char **argv)
529 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
532 } *mp, mod_paths[] = {
533 {"portals", "lustre/portals/libcfs"},
534 {"ksocknal", "lustre/portals/knals/socknal"},
535 {"kptlrouter", "lustre/portals/router"},
536 {"lvfs", "lustre/lvfs"},
537 {"obdclass", "lustre/obdclass"},
538 {"llog_test", "lustre/obdclass"},
539 {"ptlrpc", "lustre/ptlrpc"},
540 {"obdext2", "lustre/obdext2"},
541 {"ost", "lustre/ost"},
542 {"osc", "lustre/osc"},
543 {"mds", "lustre/mds"},
544 {"mdc", "lustre/mdc"},
545 {"llite", "lustre/llite"},
546 {"obdecho", "lustre/obdecho"},
547 {"ldlm", "lustre/ldlm"},
548 {"obdfilter", "lustre/obdfilter"},
549 {"extN", "lustre/extN"},
550 {"lov", "lustre/lov"},
551 {"fsfilt_ext3", "lustre/lvfs"},
552 {"fsfilt_extN", "lustre/lvfs"},
553 {"fsfilt_reiserfs", "lustre/lvfs"},
554 {"mds_ext2", "lustre/mds"},
555 {"mds_ext3", "lustre/mds"},
556 {"mds_extN", "lustre/mds"},
557 {"ptlbd", "lustre/ptlbd"},
558 {"mgmt_svc", "lustre/mgmt"},
559 {"mgmt_cli", "lustre/mgmt"},
563 char *kernel = "linux";
570 printf("%s [path] [kernel]\n", argv[0]);
574 for (mp = mod_paths; mp->name != NULL; mp++) {
575 struct module_info info;
578 int query_module(const char *name, int which, void *buf,
579 size_t bufsize, size_t *ret);
581 rc = query_module(mp->name, QM_INFO, &info, sizeof(info),
585 printf("query_module(%s) failed: %s\n",
586 mp->name, strerror(errno));
588 printf("add-symbol-file %s/%s/%s.o 0x%0lx\n", path,
590 info.addr + sizeof(struct module));
596 printf("jt_dbg_module is not yet implemented for Linux 2.5\n");
598 #endif /* linux 2.5 */
601 int jt_dbg_panic(int argc, char **argv)
604 struct portal_ioctl_data data;
607 fprintf(stderr, "usage: %s\n", argv[0]);
611 memset(&data, 0, sizeof(data));
612 if (portal_ioctl_pack(&data, &buf, max) != 0) {
613 fprintf(stderr, "portal_ioctl_pack failed.\n");
617 rc = l_ioctl(PORTALS_DEV_ID, IOC_PORTAL_PANIC, buf);
619 fprintf(stderr, "IOC_PORTAL_PANIC failed: %s\n",