/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
+ * GPL HEADER START
*
- * This file is part of Lustre Networking, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * LNET is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * LNET is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * You should have received a copy of the GNU General Public License
- * along with LNET; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see [sun.com URL with a
+ * copy of GPLv2].
*
- * Some day I'll split all of this functionality into a cfs_debug module
- * of its own. That day is not today.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*
+ * lnet/utils/debug.c
+ * Some day I'll split all of this functionality into a cfs_debug module
+ * of its own. That day is not today.
*/
#define __USE_FILE_OFFSET64
#include <sys/types.h>
#include <sys/socket.h>
-#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <sys/utsname.h>
"ost", "class", "log", "llite",
"rpc", "mgmt", "lnet", "lnd",
"pinger", "filter", "", "echo",
- "ldlm", "lov", "", "",
+ "ldlm", "lov", "lquota", "",
"", "", "", "lmv",
"", "sec", "gss", "",
"mgc", "mgs", "fid", "fld", NULL};
char *file;
char *fn;
char *text;
- struct list_head chain;
};
-/* nurr. */
-static void list_add_ordered(struct dbg_line *new, struct list_head *head)
+static int cmp_rec(const void *p1, const void *p2)
{
- struct list_head *pos;
- struct dbg_line *curr;
+ struct dbg_line *d1 = *(struct dbg_line **)p1;
+ struct dbg_line *d2 = *(struct dbg_line **)p2;
- list_for_each(pos, head) {
- curr = list_entry(pos, struct dbg_line, chain);
-
- if (curr->hdr->ph_sec < new->hdr->ph_sec)
- continue;
- if (curr->hdr->ph_sec == new->hdr->ph_sec &&
- curr->hdr->ph_usec < new->hdr->ph_usec)
- continue;
-
- list_add(&new->chain, pos->prev);
- return;
- }
- list_add_tail(&new->chain, head);
+ if (d1->hdr->ph_sec < d2->hdr->ph_sec)
+ return -1;
+ if (d1->hdr->ph_sec == d2->hdr->ph_sec &&
+ d1->hdr->ph_usec < d2->hdr->ph_usec)
+ return -1;
+ if (d1->hdr->ph_sec == d2->hdr->ph_sec &&
+ d1->hdr->ph_usec == d2->hdr->ph_usec)
+ return 0;
+ return 1;
}
-static void print_saved_records(struct list_head *list, FILE *out)
+static void print_rec(struct dbg_line **linev, int used, FILE *out)
{
- struct list_head *pos, *tmp;
-
- list_for_each_safe(pos, tmp, list) {
- struct dbg_line *line;
- struct ptldebug_header *hdr;
+ int i;
- line = list_entry(pos, struct dbg_line, chain);
- list_del(&line->chain);
+ for (i = 0; i < used; i++) {
+ struct dbg_line *line = linev[i];
+ struct ptldebug_header *hdr = line->hdr;
- hdr = line->hdr;
fprintf(out, "%08x:%08x:%u:%u.%06llu:%u:%u:%u:(%s:%u:%s()) %s",
hdr->ph_subsys, hdr->ph_mask, hdr->ph_cpu_id,
hdr->ph_sec, (unsigned long long)hdr->ph_usec,
free(line->hdr);
free(line);
}
+ free(linev);
+}
+
+static int add_rec(struct dbg_line *line, struct dbg_line ***linevp, int *lenp,
+ int used)
+{
+ struct dbg_line **linev = *linevp;
+
+ if (used == *lenp) {
+ int nlen = *lenp + 512;
+ int nsize = nlen * sizeof(struct dbg_line *);
+
+ linev = *linevp ? realloc(*linevp, nsize) : malloc(nsize);
+ if (!linev)
+ return 0;
+ *linevp = linev;
+ *lenp = nlen;
+ }
+ linev[used] = line;
+ return 1;
}
static int parse_buffer(FILE *in, FILE *out)
char buf[4097], *p;
int rc;
unsigned long dropped = 0, kept = 0;
- struct list_head chunk_list;
-
- CFS_INIT_LIST_HEAD(&chunk_list);
+ struct dbg_line **linev = NULL;
+ int linev_len = 0;
while (1) {
rc = fread(buf, sizeof(hdr->ph_len) + sizeof(hdr->ph_flags), 1, in);
break;
}
- if (hdr->ph_flags & PH_FLAG_FIRST_RECORD) {
- print_saved_records(&chunk_list, out);
- assert(list_empty(&chunk_list));
- }
-
rc = fread(buf + sizeof(hdr->ph_len) + sizeof(hdr->ph_flags), 1,
hdr->ph_len - sizeof(hdr->ph_len) - sizeof(hdr->ph_flags), in);
if (rc <= 0)
break;
- if (hdr->ph_mask &&
- (!(subsystem_mask & hdr->ph_subsys) ||
- (!(debug_mask & hdr->ph_mask)))) {
+ if ((hdr->ph_subsys && !(subsystem_mask & hdr->ph_subsys)) ||
+ (hdr->ph_mask && !(debug_mask & hdr->ph_mask))) {
dropped++;
continue;
}
p += strlen(line->fn) + 1;
line->text = p;
- list_add_ordered(line, &chunk_list);
+ if (!add_rec(line, &linev, &linev_len, kept)) {
+ fprintf(stderr, "malloc failed; printing accumulated "
+ "records and exiting.\n");
+ break;
+ }
kept++;
}
- print_saved_records(&chunk_list, out);
+ if (linev) {
+ qsort(linev, kept, sizeof(struct dbg_line *), cmp_rec);
+ print_rec(linev, kept, out);
+ }
printf("Debug log: %lu lines, %lu kept, %lu dropped.\n",
dropped + kept, kept, dropped);
if (argc > 1 && raw)
strcpy(filename, argv[1]);
else
- sprintf(filename, "/tmp/lustre-log.%lu.%u",time(NULL),getpid());
+ sprintf(filename, "/tmp/lustre-log."CFS_TIME_T".%u",
+ time(NULL),getpid());
if (stat(filename, &st) == 0 && S_ISREG(st.st_mode))
unlink(filename);
{"mdc", "lustre/mdc"},
{"llite", "lustre/llite"},
{"lustre", "lustre/llite"},
- {"ldiskfs", "lustre/ldiskfs"},
+ {"llite_lloop", "lustre/llite"},
+ {"ldiskfs", "ldiskfs/ldiskfs"},
{"smfs", "lustre/smfs"},
{"obdecho", "lustre/obdecho"},
{"ldlm", "lustre/ldlm"},
git://git.whamcloud.com / fs / lustre-release.git / blobdiff