+++ /dev/null
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * 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.
- *
- * 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
- * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * 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 (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
- * Use is subject to license terms.
- *
- * Copyright (c) 2012, Intel Corporation.
- */
-/*
- * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
- *
- * libcfs/libcfs/posix/posix_debug.c
- *
- * Userspace debugging.
- *
- */
-
-# define DEBUG_SUBSYSTEM S_LNET
-
-#include <libcfs/libcfs.h>
-
-static char debug_file_name[1024];
-unsigned int libcfs_subsystem_debug = ~(S_LNET | S_LND);
-unsigned int libcfs_debug = 0;
-
-#ifdef HAVE_NETDB_H
-#include <sys/utsname.h>
-#endif /* HAVE_NETDB_H */
-struct utsname *tmp_utsname;
-static char source_nid[sizeof(tmp_utsname->nodename)];
-
-static int source_pid;
-int smp_processor_id = 1;
-char libcfs_debug_file_path[1024];
-FILE *debug_file_fd;
-
-int portals_do_debug_dumplog(void *arg)
-{
- printf("Look in %s\n", debug_file_name);
- return 0;
-}
-
-
-void portals_debug_print(void)
-{
- return;
-}
-
-
-void libcfs_debug_dumplog(void)
-{
- printf("Look in %s\n", debug_file_name);
- return;
-}
-
-int libcfs_debug_init(unsigned long bufsize)
-{
- char *debug_mask = NULL;
- char *debug_subsys = NULL;
- char *debug_filename;
-
- struct utsname myname;
-
- if (uname(&myname) == 0)
- strcpy(source_nid, myname.nodename);
- source_pid = getpid();
-
- /* debug masks */
- debug_mask = getenv("LIBLUSTRE_DEBUG_MASK");
- if (debug_mask)
- libcfs_debug = (unsigned int) strtol(debug_mask, NULL, 0);
-
- debug_subsys = getenv("LIBLUSTRE_DEBUG_SUBSYS");
- if (debug_subsys)
- libcfs_subsystem_debug =
- (unsigned int) strtol(debug_subsys, NULL, 0);
-
- debug_filename = getenv("LIBLUSTRE_DEBUG_BASE");
- if (debug_filename) {
- strncpy(libcfs_debug_file_path, debug_filename,
- sizeof(libcfs_debug_file_path));
- libcfs_debug_file_path[sizeof(libcfs_debug_file_path)-1] = '\0';
- }
-
- debug_filename = getenv("LIBLUSTRE_DEBUG_FILE");
- if (debug_filename) {
- strncpy(debug_file_name, debug_filename,
- sizeof(debug_file_name));
- debug_file_name[sizeof(debug_file_name) - 1] = '\0';
- }
-
- if (debug_file_name[0] == '\0' && libcfs_debug_file_path[0] != '\0')
- snprintf(debug_file_name, sizeof(debug_file_name),
- "%s-%s-"CFS_TIME_T".log", libcfs_debug_file_path,
- source_nid, time(0));
-
- if (strcmp(debug_file_name, "stdout") == 0 ||
- strcmp(debug_file_name, "-") == 0) {
- debug_file_fd = stdout;
- } else if (strcmp(debug_file_name, "stderr") == 0) {
- debug_file_fd = stderr;
- } else if (debug_file_name[0] != '\0') {
- debug_file_fd = fopen(debug_file_name, "w");
- if (debug_file_fd == NULL)
- fprintf(stderr, "%s: unable to open '%s': %s\n",
- source_nid, debug_file_name, strerror(errno));
- }
-
- if (debug_file_fd == NULL)
- debug_file_fd = stdout;
-
- return 0;
-}
-
-int libcfs_debug_cleanup(void)
-{
- if (debug_file_fd != stdout && debug_file_fd != stderr)
- fclose(debug_file_fd);
- return 0;
-}
-
-int libcfs_debug_clear_buffer(void)
-{
- return 0;
-}
-
-int libcfs_debug_mark_buffer(const char *text)
-{
-
- fprintf(debug_file_fd, "*******************************************************************************\n");
- fprintf(debug_file_fd, "DEBUG MARKER: %s\n", text);
- fprintf(debug_file_fd, "*******************************************************************************\n");
-
- return 0;
-}
-
-int libcfs_debug_msg(struct libcfs_debug_msg_data *msgdata,
- const char *format, ...)
-{
- va_list args;
- int rc;
-
- va_start(args, format);
- rc = libcfs_debug_vmsg2(msgdata, format, args, NULL);
- va_end(args);
-
- return rc;
-}
-
-int
-libcfs_debug_vmsg2(struct libcfs_debug_msg_data *msgdata,
- const char *format1, va_list args,
- const char *format2, ...)
-{
- struct timeval tv;
- int nob;
- int remain;
- va_list ap;
- char buf[PAGE_CACHE_SIZE]; /* size 4096 used for compatimble
- * with linux, where message can`t
- * be exceed PAGE_SIZE */
- int console = 0;
- char *prefix = "Lustre";
-
- if ((!console) && (!debug_file_fd)) {
- return 0;
- }
-
- if (msgdata->msg_mask & (D_EMERG | D_ERROR))
- prefix = "LustreError";
-
- nob = snprintf(buf, sizeof(buf), "%s: %u-%s:(%s:%d:%s()): ", prefix,
- source_pid, source_nid, msgdata->msg_file,
- msgdata->msg_line, msgdata->msg_fn);
-
- remain = sizeof(buf) - nob;
- if (format1) {
- nob += vsnprintf(&buf[nob], remain, format1, args);
- }
-
- remain = sizeof(buf) - nob;
- if ((format2) && (remain > 0)) {
- va_start(ap, format2);
- nob += vsnprintf(&buf[nob], remain, format2, ap);
- va_end(ap);
- }
-
- if (debug_file_fd == NULL)
- return 0;
-
- gettimeofday(&tv, NULL);
-
- fprintf(debug_file_fd, CFS_TIME_T".%06lu:%u:%s:(%s:%d:%s()): %s",
- tv.tv_sec, (unsigned long)tv.tv_usec, source_pid, source_nid,
- msgdata->msg_file, msgdata->msg_line, msgdata->msg_fn, buf);
-
- return 0;
-}
-
-/*
- * a helper function for RETURN(): the sole purpose is to save 8-16 bytes
- * on the stack - function calling RETURN() doesn't need to allocate two
- * additional 'rc' on the stack
- */
-long libcfs_log_return(struct libcfs_debug_msg_data *msgdata, long rc)
-{
- libcfs_debug_msg(msgdata, "Process leaving (rc=%lu : %ld : %lx)\n",
- rc, rc, rc);
- return rc;
-}
-
-/*
- * a helper function for GOTO(): the sole purpose is to save 8-16 bytes
- * on the stack - function calling GOTO() doesn't need to allocate two
- * additional 'rc' on the stack
- */
-void libcfs_log_goto(struct libcfs_debug_msg_data *msgdata, const char *l,
- long_ptr_t rc)
-{
- libcfs_debug_msg(msgdata, "Process leaving via %s (rc=" LPLU " : "
- LPLD " : " LPLX ")\n", l, (ulong_ptr_t) rc, rc, rc);
-}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff