# define EXPORT_SYMTAB
#endif
-# define DEBUG_SUBSYSTEM S_PORTALS
+# define DEBUG_SUBSYSTEM S_LNET
+#include <stdarg.h>
#include <libcfs/kp30.h>
#include <libcfs/libcfs.h>
-
#include "tracefile.h"
-unsigned int portal_subsystem_debug = ~0 - (S_PORTALS | S_NAL);
-EXPORT_SYMBOL(portal_subsystem_debug);
-
-unsigned int portal_debug = (D_WARNING | D_DLMTRACE | D_ERROR | D_EMERG | D_HA |
- D_RPCTRACE | D_VFSTRACE);
-EXPORT_SYMBOL(portal_debug);
-
-unsigned int portal_printk;
-EXPORT_SYMBOL(portal_printk);
-
-unsigned int portal_stack;
-EXPORT_SYMBOL(portal_stack);
+static char debug_file_name[1024];
#ifdef __KERNEL__
-atomic_t portal_kmemory = ATOMIC_INIT(0);
-EXPORT_SYMBOL(portal_kmemory);
-#endif
+unsigned int libcfs_subsystem_debug = ~0;
+CFS_MODULE_PARM(libcfs_subsystem_debug, "i", int, 0644,
+ "Lustre kernel debug subsystem mask");
+EXPORT_SYMBOL(libcfs_subsystem_debug);
+
+unsigned int libcfs_debug = (D_EMERG | D_ERROR | D_WARNING | D_CONSOLE |
+ D_NETERROR | D_HA | D_CONFIG | D_IOCTL);
+CFS_MODULE_PARM(libcfs_debug, "i", int, 0644,
+ "Lustre kernel debug mask");
+EXPORT_SYMBOL(libcfs_debug);
+
+int libcfs_debug_mb = -1;
+CFS_MODULE_PARM(libcfs_debug_mb, "i", int, 0644,
+ "Total debug buffer size.");
+EXPORT_SYMBOL(libcfs_debug_mb);
+
+unsigned int libcfs_printk = D_CANTMASK;
+CFS_MODULE_PARM(libcfs_printk, "i", uint, 0644,
+ "Lustre kernel debug console mask");
+EXPORT_SYMBOL(libcfs_printk);
+
+unsigned int libcfs_console_ratelimit = 1;
+CFS_MODULE_PARM(libcfs_console_ratelimit, "i", uint, 0644,
+ "Lustre kernel debug console ratelimit (0 to disable)");
+EXPORT_SYMBOL(libcfs_console_ratelimit);
+
+cfs_duration_t libcfs_console_max_delay;
+CFS_MODULE_PARM(libcfs_console_max_delay, "l", ulong, 0644,
+ "Lustre kernel debug console max delay (jiffies)");
+EXPORT_SYMBOL(libcfs_console_max_delay);
+
+cfs_duration_t libcfs_console_min_delay;
+CFS_MODULE_PARM(libcfs_console_min_delay, "l", ulong, 0644,
+ "Lustre kernel debug console min delay (jiffies)");
+EXPORT_SYMBOL(libcfs_console_min_delay);
+
+unsigned int libcfs_console_backoff = CDEBUG_DEFAULT_BACKOFF;
+CFS_MODULE_PARM(libcfs_console_backoff, "i", uint, 0644,
+ "Lustre kernel debug console backoff factor");
+EXPORT_SYMBOL(libcfs_console_backoff);
+
+unsigned int libcfs_debug_binary = 1;
+EXPORT_SYMBOL(libcfs_debug_binary);
+
+unsigned int libcfs_stack;
+EXPORT_SYMBOL(libcfs_stack);
+
+unsigned int portal_enter_debugger;
+EXPORT_SYMBOL(portal_enter_debugger);
+
+unsigned int libcfs_catastrophe;
+EXPORT_SYMBOL(libcfs_catastrophe);
+
+unsigned int libcfs_panic_on_lbug = 0;
+CFS_MODULE_PARM(libcfs_panic_on_lbug, "i", uint, 0644,
+ "Lustre kernel panic on LBUG");
+EXPORT_SYMBOL(libcfs_panic_on_lbug);
+
+atomic_t libcfs_kmemory = ATOMIC_INIT(0);
+EXPORT_SYMBOL(libcfs_kmemory);
static cfs_waitq_t debug_ctlwq;
+#ifdef __arch_um__
+char debug_file_path[1024] = "/r/tmp/lustre-log";
+#else
char debug_file_path[1024] = "/tmp/lustre-log";
-static char debug_file_name[1024];
+#endif
+CFS_MODULE_PARM(debug_file_path, "s", charp, 0644,
+ "Path for dumping debug logs, "
+ "set 'NONE' to prevent log dumping");
+
+int libcfs_panic_in_progress;
-void portals_debug_dumplog_internal(void *arg)
+/* libcfs_debug_token2mask() expects the returned
+ * string in lower-case */
+const char *
+libcfs_debug_subsys2str(int subsys)
+{
+ switch (subsys) {
+ default:
+ return NULL;
+ case S_UNDEFINED:
+ return "undefined";
+ case S_MDC:
+ return "mdc";
+ case S_MDS:
+ return "mds";
+ case S_OSC:
+ return "osc";
+ case S_OST:
+ return "ost";
+ case S_CLASS:
+ return "class";
+ case S_LOG:
+ return "log";
+ case S_LLITE:
+ return "llite";
+ case S_RPC:
+ return "rpc";
+ case S_LNET:
+ return "lnet";
+ case S_LND:
+ return "lnd";
+ case S_PINGER:
+ return "pinger";
+ case S_FILTER:
+ return "filter";
+ case S_ECHO:
+ return "echo";
+ case S_LDLM:
+ return "ldlm";
+ case S_LOV:
+ return "lov";
+ case S_LMV:
+ return "lmv";
+ case S_SEC:
+ return "sec";
+ case S_GSS:
+ return "gss";
+ case S_MGC:
+ return "mgc";
+ case S_MGS:
+ return "mgs";
+ case S_FID:
+ return "fid";
+ case S_FLD:
+ return "fld";
+ }
+}
+
+/* libcfs_debug_token2mask() expects the returned
+ * string in lower-case */
+const char *
+libcfs_debug_dbg2str(int debug)
+{
+ switch (debug) {
+ default:
+ return NULL;
+ case D_TRACE:
+ return "trace";
+ case D_INODE:
+ return "inode";
+ case D_SUPER:
+ return "super";
+ case D_EXT2:
+ return "ext2";
+ case D_MALLOC:
+ return "malloc";
+ case D_CACHE:
+ return "cache";
+ case D_INFO:
+ return "info";
+ case D_IOCTL:
+ return "ioctl";
+ case D_NETERROR:
+ return "neterror";
+ case D_NET:
+ return "net";
+ case D_WARNING:
+ return "warning";
+ case D_BUFFS:
+ return "buffs";
+ case D_OTHER:
+ return "other";
+ case D_DENTRY:
+ return "dentry";
+ case D_NETTRACE:
+ return "nettrace";
+ case D_PAGE:
+ return "page";
+ case D_DLMTRACE:
+ return "dlmtrace";
+ case D_ERROR:
+ return "error";
+ case D_EMERG:
+ return "emerg";
+ case D_HA:
+ return "ha";
+ case D_RPCTRACE:
+ return "rpctrace";
+ case D_VFSTRACE:
+ return "vfstrace";
+ case D_READA:
+ return "reada";
+ case D_MMAP:
+ return "mmap";
+ case D_CONFIG:
+ return "config";
+ case D_CONSOLE:
+ return "console";
+ case D_QUOTA:
+ return "quota";
+ case D_SEC:
+ return "sec";
+ }
+}
+
+int
+libcfs_debug_mask2str(char *str, int size, int mask, int is_subsys)
+{
+ const char *(*fn)(int bit) = is_subsys ? libcfs_debug_subsys2str :
+ libcfs_debug_dbg2str;
+ int len = 0;
+ const char *token;
+ int bit;
+ int i;
+
+ if (mask == 0) { /* "0" */
+ if (size > 0)
+ str[0] = '0';
+ len = 1;
+ } else { /* space-separated tokens */
+ for (i = 0; i < 32; i++) {
+ bit = 1 << i;
+
+ if ((mask & bit) == 0)
+ continue;
+
+ token = fn(bit);
+ if (token == NULL) /* unused bit */
+ continue;
+
+ if (len > 0) { /* separator? */
+ if (len < size)
+ str[len] = ' ';
+ len++;
+ }
+
+ while (*token != 0) {
+ if (len < size)
+ str[len] = *token;
+ token++;
+ len++;
+ }
+ }
+ }
+
+ /* terminate 'str' */
+ if (len < size)
+ str[len] = 0;
+ else
+ str[size - 1] = 0;
+
+ return len;
+}
+
+int
+libcfs_debug_token2mask(int *mask, const char *str, int len, int is_subsys)
+{
+ const char *(*fn)(int bit) = is_subsys ? libcfs_debug_subsys2str :
+ libcfs_debug_dbg2str;
+ int i;
+ int j;
+ int bit;
+ const char *token;
+
+ /* match against known tokens */
+ for (i = 0; i < 32; i++) {
+ bit = 1 << i;
+
+ token = fn(bit);
+ if (token == NULL) /* unused? */
+ continue;
+
+ /* strcasecmp */
+ for (j = 0; ; j++) {
+ if (j == len) { /* end of token */
+ if (token[j] == 0) {
+ *mask = bit;
+ return 0;
+ }
+ break;
+ }
+
+ if (token[j] == 0)
+ break;
+
+ if (str[j] == token[j])
+ continue;
+
+ if (str[j] < 'A' || 'Z' < str[j])
+ break;
+
+ if (str[j] - 'A' + 'a' != token[j])
+ break;
+ }
+ }
+
+ return -EINVAL; /* no match */
+}
+
+int
+libcfs_debug_str2mask(int *mask, const char *str, int is_subsys)
+{
+ int m = 0;
+ char op = 0;
+ int matched;
+ int n;
+ int t;
+
+ /* Allow a number for backwards compatibility */
+
+ for (n = strlen(str); n > 0; n--)
+ if (!isspace(str[n-1]))
+ break;
+ matched = n;
+
+ if ((t = sscanf(str, "%i%n", &m, &matched)) >= 1 &&
+ matched == n) {
+ *mask = m;
+ return 0;
+ }
+
+ /* <str> must be a list of debug tokens or numbers separated by
+ * whitespace and optionally an operator ('+' or '-'). If an operator
+ * appears first in <str>, '*mask' is used as the starting point
+ * (relative), otherwise 0 is used (absolute). An operator applies to
+ * all following tokens up to the next operator. */
+
+ matched = 0;
+ while (*str != 0) {
+ while (isspace(*str)) /* skip whitespace */
+ str++;
+
+ if (*str == 0)
+ break;
+
+ if (*str == '+' || *str == '-') {
+ op = *str++;
+
+ /* op on first token == relative */
+ if (!matched)
+ m = *mask;
+
+ while (isspace(*str)) /* skip whitespace */
+ str++;
+
+ if (*str == 0) /* trailing op */
+ return -EINVAL;
+ }
+
+ /* find token length */
+ for (n = 0; str[n] != 0 && !isspace(str[n]); n++);
+
+ /* match token */
+ if (libcfs_debug_token2mask(&t, str, n, is_subsys) != 0)
+ return -EINVAL;
+
+ matched = 1;
+ if (op == '-')
+ m &= ~t;
+ else
+ m |= t;
+
+ str += n;
+ }
+
+ if (!matched)
+ return -EINVAL;
+
+ *mask = m;
+ return 0;
+}
+
+void libcfs_debug_dumplog_internal(void *arg)
{
CFS_DECL_JOURNAL_DATA;
CFS_PUSH_JOURNAL;
- snprintf(debug_file_name, sizeof(debug_file_path) - 1,
- "%s.%ld.%ld", debug_file_path, cfs_time_current_sec(), (long)arg);
- printk(KERN_ALERT "LustreError: dumping log to %s\n", debug_file_name);
- tracefile_dump_all_pages(debug_file_name);
-
+ if (strncmp(debug_file_path, "NONE", 4) != 0) {
+ snprintf(debug_file_name, sizeof(debug_file_path) - 1,
+ "%s.%ld.%ld", debug_file_path, cfs_time_current_sec(),
+ (long)arg);
+ printk(KERN_ALERT "LustreError: dumping log to %s\n",
+ debug_file_name);
+ tracefile_dump_all_pages(debug_file_name);
+ }
CFS_POP_JOURNAL;
}
-int portals_debug_dumplog_thread(void *arg)
+int libcfs_debug_dumplog_thread(void *arg)
{
- kportal_daemonize("");
- reparent_to_init();
- portals_debug_dumplog_internal(arg);
+ cfs_daemonize("");
+ libcfs_debug_dumplog_internal(arg);
cfs_waitq_signal(&debug_ctlwq);
return 0;
}
-void portals_debug_dumplog(void)
+void libcfs_debug_dumplog(void)
{
int rc;
cfs_waitlink_t wait;
set_current_state(TASK_INTERRUPTIBLE);
cfs_waitq_add(&debug_ctlwq, &wait);
- rc = cfs_kernel_thread(portals_debug_dumplog_thread,
+ rc = cfs_kernel_thread(libcfs_debug_dumplog_thread,
(void *)(long)cfs_curproc_pid(),
CLONE_VM | CLONE_FS | CLONE_FILES);
if (rc < 0)
printk(KERN_ERR "LustreError: cannot start log dump thread: "
"%d\n", rc);
else
- schedule();
+ cfs_waitq_wait(&wait, CFS_TASK_INTERRUPTIBLE);
/* be sure to teardown if kernel_thread() failed */
cfs_waitq_del(&debug_ctlwq, &wait);
set_current_state(TASK_RUNNING);
}
-#ifdef PORTALS_DUMP_ON_PANIC
-static int panic_dumplog(struct notifier_block *self, unsigned long unused1,
- void *unused2)
+int libcfs_debug_init(unsigned long bufsize)
{
- static int handled_panic; /* to avoid recursive calls to notifiers */
+ int rc = 0;
+ int max = libcfs_debug_mb;
- if (handled_panic)
- return 0;
- else
- handled_panic = 1;
-
- if (in_interrupt()) {
- trace_debug_print();
- return 0;
+ cfs_waitq_init(&debug_ctlwq);
+ libcfs_console_max_delay = CDEBUG_DEFAULT_MAX_DELAY;
+ libcfs_console_min_delay = CDEBUG_DEFAULT_MIN_DELAY;
+ /* If libcfs_debug_mb is set to an invalid value or uninitialized
+ * then just make the total buffers smp_num_cpus * TCD_MAX_PAGES */
+ if (max > trace_max_debug_mb() || max < num_possible_cpus()) {
+ max = TCD_MAX_PAGES;
+ } else {
+ max = (max / num_possible_cpus());
+ max = (max << (20 - CFS_PAGE_SHIFT));
}
+ rc = tracefile_init(max);
- while (current->lock_depth >= 0)
- unlock_kernel();
- portals_debug_dumplog();
- return 0;
-}
+ if (rc == 0)
+ libcfs_register_panic_notifier();
-static struct notifier_block lustre_panic_notifier = {
- notifier_call : panic_dumplog,
- next : NULL,
- priority : 10000
-};
-#endif
-
-#ifdef CRAY_PORTALS
-extern void *lus_portals_debug;
-#endif
-
-int portals_debug_init(unsigned long bufsize)
-{
- cfs_waitq_init(&debug_ctlwq);
-#ifdef CRAY_PORTALS
- lus_portals_debug = &portals_debug_msg;
-#endif
-#ifdef PORTALS_DUMP_ON_PANIC
- /* This is currently disabled because it spews far too much to the
- * console on the rare cases it is ever triggered. */
- notifier_chain_register(&panic_notifier_list, &lustre_panic_notifier);
-#endif
- return tracefile_init();
+ return rc;
}
-int portals_debug_cleanup(void)
+int libcfs_debug_cleanup(void)
{
+ libcfs_unregister_panic_notifier();
tracefile_exit();
-#ifdef PORTALS_DUMP_ON_PANIC
- notifier_chain_unregister(&panic_notifier_list, &lustre_panic_notifier);
-#endif
-#ifdef CRAY_PORTALS
- lus_portals_debug = NULL;
-#endif
return 0;
}
-int portals_debug_clear_buffer(void)
+int libcfs_debug_clear_buffer(void)
{
trace_flush_pages();
return 0;
}
-/* Debug markers, although printed by S_PORTALS
+/* Debug markers, although printed by S_LNET
* should not be be marked as such. */
#undef DEBUG_SUBSYSTEM
#define DEBUG_SUBSYSTEM S_UNDEFINED
-int portals_debug_mark_buffer(char *text)
+int libcfs_debug_mark_buffer(char *text)
{
CDEBUG(D_TRACE,"***************************************************\n");
CDEBUG(D_WARNING, "DEBUG MARKER: %s\n", text);
return 0;
}
#undef DEBUG_SUBSYSTEM
-#define DEBUG_SUBSYSTEM S_PORTALS
+#define DEBUG_SUBSYSTEM S_LNET
-void portals_debug_set_level(unsigned int debug_level)
+void libcfs_debug_set_level(unsigned int debug_level)
{
printk(KERN_WARNING "Lustre: Setting portals debug level to %08x\n",
debug_level);
- portal_debug = debug_level;
-}
-
-char *portals_nid2str(int nal, ptl_nid_t nid, char *str)
-{
- if (nid == PTL_NID_ANY) {
- snprintf(str, PTL_NALFMT_SIZE, "%s", "PTL_NID_ANY");
- return str;
- }
-
- switch(nal){
-/* XXX this could be a nal method of some sort, 'cept it's config
- * dependent whether (say) socknal NIDs are actually IP addresses... */
-#if !CRAY_PORTALS
- case TCPNAL:
- /* userspace NAL */
- case IIBNAL:
- case VIBNAL:
- case OPENIBNAL:
- case RANAL:
- case SOCKNAL:
- snprintf(str, PTL_NALFMT_SIZE, "%u:%u.%u.%u.%u",
- (__u32)(nid >> 32), HIPQUAD(nid));
- break;
- case QSWNAL:
- case GMNAL:
- case LONAL:
- snprintf(str, PTL_NALFMT_SIZE, "%u:%u",
- (__u32)(nid >> 32), (__u32)nid);
- break;
+ libcfs_debug = debug_level;
+}
+
+EXPORT_SYMBOL(libcfs_debug_dumplog);
+EXPORT_SYMBOL(libcfs_debug_set_level);
+
+
+#else /* !__KERNEL__ */
+
+#include <libcfs/libcfs.h>
+
+#ifdef HAVE_CATAMOUNT_DATA_H
+#include <catamount/data.h>
+#include <catamount/lputs.h>
+
+static char source_nid[16];
+/* 0 indicates no messages to console, 1 is errors, > 1 is all debug messages */
+static int toconsole = 1;
+unsigned int libcfs_console_ratelimit = 1;
+cfs_duration_t libcfs_console_max_delay;
+cfs_duration_t libcfs_console_min_delay;
+unsigned int libcfs_console_backoff = CDEBUG_DEFAULT_BACKOFF;
+#else /* !HAVE_CATAMOUNT_DATA_H */
+#ifdef HAVE_NETDB_H
+#include <sys/utsname.h>
+#endif /* HAVE_NETDB_H */
+struct utsname *tmp_utsname;
+static char source_nid[sizeof(tmp_utsname->nodename)];
+#endif /* HAVE_CATAMOUNT_DATA_H */
+
+static int source_pid;
+int smp_processor_id = 1;
+char 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;
+
+#ifdef HAVE_CATAMOUNT_DATA_H
+ char *debug_console = NULL;
+ char *debug_ratelimit = NULL;
+ char *debug_max_delay = NULL;
+ char *debug_min_delay = NULL;
+ char *debug_backoff = NULL;
+
+ libcfs_console_max_delay = CDEBUG_DEFAULT_MAX_DELAY;
+ libcfs_console_min_delay = CDEBUG_DEFAULT_MIN_DELAY;
+
+ snprintf(source_nid, sizeof(source_nid) - 1, "%u", _my_pnid);
+ source_pid = _my_pid;
+
+ debug_console = getenv("LIBLUSTRE_DEBUG_CONSOLE");
+ if (debug_console != NULL) {
+ toconsole = strtoul(debug_console, NULL, 0);
+ CDEBUG(D_INFO, "set liblustre toconsole to %u\n", toconsole);
+ }
+ debug_ratelimit = getenv("LIBLUSTRE_DEBUG_CONSOLE_RATELIMIT");
+ if (debug_ratelimit != NULL) {
+ libcfs_console_ratelimit = strtoul(debug_ratelimit, NULL, 0);
+ CDEBUG(D_INFO, "set liblustre console ratelimit to %u\n",
+ libcfs_console_ratelimit);
+ }
+ debug_max_delay = getenv("LIBLUSTRE_DEBUG_CONSOLE_MAX_DELAY");
+ if (debug_max_delay != NULL)
+ libcfs_console_max_delay =
+ cfs_time_seconds(strtoul(debug_max_delay, NULL, 0));
+ debug_min_delay = getenv("LIBLUSTRE_DEBUG_CONSOLE_MIN_DELAY");
+ if (debug_min_delay != NULL)
+ libcfs_console_min_delay =
+ cfs_time_seconds(strtoul(debug_min_delay, NULL, 0));
+ if (debug_min_delay || debug_max_delay) {
+ if (!libcfs_console_max_delay || !libcfs_console_min_delay ||
+ libcfs_console_max_delay < libcfs_console_min_delay) {
+ libcfs_console_max_delay = CDEBUG_DEFAULT_MAX_DELAY;
+ libcfs_console_min_delay = CDEBUG_DEFAULT_MIN_DELAY;
+ CDEBUG(D_INFO, "LIBLUSTRE_DEBUG_CONSOLE_MAX_DELAY "
+ "should be greater than "
+ "LIBLUSTRE_DEBUG_CONSOLE_MIN_DELAY "
+ "and both parameters should be non-null"
+ ": restore default values\n");
+ } else {
+ CDEBUG(D_INFO, "set liblustre console max delay to %lus"
+ " and min delay to %lus\n",
+ (cfs_duration_t)
+ cfs_duration_sec(libcfs_console_max_delay),
+ (cfs_duration_t)
+ cfs_duration_sec(libcfs_console_min_delay));
+ }
+ }
+ debug_backoff = getenv("LIBLUSTRE_DEBUG_CONSOLE_BACKOFF");
+ if (debug_backoff != NULL) {
+ libcfs_console_backoff = strtoul(debug_backoff, NULL, 0);
+ if (libcfs_console_backoff <= 0) {
+ libcfs_console_backoff = CDEBUG_DEFAULT_BACKOFF;
+ CDEBUG(D_INFO, "LIBLUSTRE_DEBUG_CONSOLE_BACKOFF <= 0: "
+ "restore default value\n");
+ } else {
+ CDEBUG(D_INFO, "set liblustre console backoff to %u\n",
+ libcfs_console_backoff);
+ }
+ }
+#else
+ struct utsname myname;
+
+ if (uname(&myname) == 0)
+ strcpy(source_nid, myname.nodename);
+ source_pid = getpid();
#endif
- default:
- snprintf(str, PTL_NALFMT_SIZE, "?%x? %llx",
- nal, (long long)nid);
- break;
+ /* 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(debug_file_path,debug_filename,sizeof(debug_file_path));
+
+ debug_filename = getenv("LIBLUSTRE_DEBUG_FILE");
+ if (debug_filename)
+ strncpy(debug_file_name,debug_filename,sizeof(debug_file_path));
+
+ if (debug_file_name[0] == '\0' && debug_file_path[0] != '\0')
+ snprintf(debug_file_name, sizeof(debug_file_name) - 1,
+ "%s-%s-"CFS_TIME_T".log", 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));
}
- return str;
+
+ 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;
}
-char *portals_id2str(int nal, ptl_process_id_t id, char *str)
+int libcfs_debug_clear_buffer(void)
{
- int len;
+ return 0;
+}
+
+int libcfs_debug_mark_buffer(char *text)
+{
+
+ fprintf(debug_file_fd, "*******************************************************************************\n");
+ fprintf(debug_file_fd, "DEBUG MARKER: %s\n", text);
+ fprintf(debug_file_fd, "*******************************************************************************\n");
+
+ return 0;
+}
+
+#ifdef HAVE_CATAMOUNT_DATA_H
+#define CATAMOUNT_MAXLINE (256-4)
+void catamount_printline(char *buf, size_t size)
+{
+ char *pos = buf;
+ int prsize = size;
+
+ while (prsize > 0){
+ lputs(pos);
+ pos += CATAMOUNT_MAXLINE;
+ prsize -= CATAMOUNT_MAXLINE;
+ }
+}
+#endif
+
+int
+libcfs_debug_vmsg2(cfs_debug_limit_state_t *cdls,
+ int subsys, int mask,
+ const char *file, const char *fn, const int line,
+ const char *format1, va_list args,
+ const char *format2, ...)
+{
+ struct timeval tv;
+ int nob;
+ int remain;
+ va_list ap;
+ char buf[CFS_PAGE_SIZE]; /* size 4096 used for compatimble
+ * with linux, where message can`t
+ * be exceed PAGE_SIZE */
+ int console = 0;
+ char *prefix = "Lustre";
+
+#ifdef HAVE_CATAMOUNT_DATA_H
+ /* toconsole == 0 - all messages to debug_file_fd
+ * toconsole == 1 - warnings to console, all to debug_file_fd
+ * toconsole > 1 - all debug to console */
+ if (((mask & libcfs_printk) && toconsole == 1) || toconsole > 1)
+ console = 1;
+#endif
+
+ if ((!console) && (!debug_file_fd)) {
+ return 0;
+ }
+
+ if (mask & (D_EMERG | D_ERROR))
+ prefix = "LustreError";
+
+ nob = snprintf(buf, sizeof(buf), "%s: %u-%s:(%s:%d:%s()): ", prefix,
+ source_pid, source_nid, file, line, fn);
+
+ remain = sizeof(buf) - nob;
+ if (format1) {
+ nob += vsnprintf(&buf[nob], remain, format1, args);
+ }
- portals_nid2str(nal, id.nid, str);
- len = strlen(str);
- snprintf(str + len, PTL_NALFMT_SIZE - len, "-%u", id.pid);
- return str;
+ remain = sizeof(buf) - nob;
+ if ((format2) && (remain > 0)) {
+ va_start(ap, format2);
+ nob += vsnprintf(&buf[nob], remain, format2, ap);
+ va_end(ap);
+ }
+
+#ifdef HAVE_CATAMOUNT_DATA_H
+ if (console) {
+ /* check rate limit for console */
+ if (cdls != NULL) {
+ if (libcfs_console_ratelimit &&
+ cdls->cdls_next != 0 && /* not first time ever */
+ !cfs_time_after(cfs_time_current(), cdls->cdls_next)) {
+
+ /* skipping a console message */
+ cdls->cdls_count++;
+ goto out_file;
+ }
+
+ if (cfs_time_after(cfs_time_current(), cdls->cdls_next +
+ libcfs_console_max_delay +
+ cfs_time_seconds(10))) {
+ /* last timeout was a long time ago */
+ cdls->cdls_delay /= libcfs_console_backoff * 4;
+ } else {
+ cdls->cdls_delay *= libcfs_console_backoff;
+
+ if (cdls->cdls_delay <
+ libcfs_console_min_delay)
+ cdls->cdls_delay =
+ libcfs_console_min_delay;
+ else if (cdls->cdls_delay >
+ libcfs_console_max_delay)
+ cdls->cdls_delay =
+ libcfs_console_max_delay;
+ }
+
+ /* ensure cdls_next is never zero after it's been seen */
+ cdls->cdls_next = (cfs_time_current() + cdls->cdls_delay) | 1;
+ }
+
+ if (cdls != NULL && cdls->cdls_count != 0) {
+ char buf2[100];
+
+ nob = snprintf(buf2, sizeof(buf2),
+ "Skipped %d previous similar message%s\n",
+ cdls->cdls_count, (cdls->cdls_count > 1) ? "s" : "");
+
+ catamount_printline(buf2, nob);
+ cdls->cdls_count = 0;
+ goto out_file;
+ }
+ catamount_printline(buf, nob);
+ }
+out_file:
+ /* return on toconsole > 1, as we don't want the user getting
+ * spammed by the debug data */
+ if (toconsole > 1)
+ return 0;
+#endif
+ 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, tv.tv_usec, source_pid, source_nid,
+ file, line, fn, buf);
+
+ return 0;
+}
+
+void
+libcfs_assertion_failed(const char *expr, const char *file, const char *func,
+ const int line)
+{
+ libcfs_debug_msg(NULL, 0, D_EMERG, file, func, line,
+ "ASSERTION(%s) failed\n", expr);
+ abort();
}
-EXPORT_SYMBOL(portals_debug_dumplog);
-EXPORT_SYMBOL(portals_debug_set_level);
-EXPORT_SYMBOL(portals_nid2str);
-EXPORT_SYMBOL(portals_id2str);
+#endif /* __KERNEL__ */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff