-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
extern unsigned int libcfs_printk;
extern unsigned int libcfs_console_ratelimit;
extern unsigned int libcfs_watchdog_ratelimit;
-extern cfs_duration_t libcfs_console_max_delay;
-extern cfs_duration_t libcfs_console_min_delay;
+extern unsigned int libcfs_console_max_delay;
+extern unsigned int libcfs_console_min_delay;
extern unsigned int libcfs_console_backoff;
extern unsigned int libcfs_debug_binary;
-extern char debug_file_path_arr[1024];
-#ifdef __KERNEL__
-extern char *debug_file_path;
-#endif
+extern char libcfs_debug_file_path_arr[PATH_MAX];
int libcfs_debug_mask2str(char *str, int size, int mask, int is_subsys);
int libcfs_debug_str2mask(int *mask, const char *str, int is_subsys);
__u32 ph_flags;
__u32 ph_subsys;
__u32 ph_mask;
- __u32 ph_cpu_id;
+ __u16 ph_cpu_id;
+ __u16 ph_type;
__u32 ph_sec;
__u64 ph_usec;
__u32 ph_stack;
#define PH_FLAG_FIRST_RECORD 1
/* Debugging subsystems (32 bits, non-overlapping) */
-/* keep these in sync with lnet/utils/debug.c and lnet/libcfs/debug.c */
-#define S_UNDEFINED 0x00000001
-#define S_MDC 0x00000002
-#define S_MDS 0x00000004
-#define S_OSC 0x00000008
-#define S_OST 0x00000010
-#define S_CLASS 0x00000020
-#define S_LOG 0x00000040
-#define S_LLITE 0x00000080
-#define S_RPC 0x00000100
-#define S_MGMT 0x00000200
-#define S_LNET 0x00000400
-#define S_LND 0x00000800 /* ALL LNDs */
-#define S_PINGER 0x00001000
-#define S_FILTER 0x00002000
-/* unused */
-#define S_ECHO 0x00008000
-#define S_LDLM 0x00010000
-#define S_LOV 0x00020000
-#define S_LQUOTA 0x00040000
+#define S_UNDEFINED 0x00000001
+#define S_MDC 0x00000002
+#define S_MDS 0x00000004
+#define S_OSC 0x00000008
+#define S_OST 0x00000010
+#define S_CLASS 0x00000020
+#define S_LOG 0x00000040
+#define S_LLITE 0x00000080
+#define S_RPC 0x00000100
+#define S_MGMT 0x00000200
+#define S_LNET 0x00000400
+#define S_LND 0x00000800 /* ALL LNDs */
+#define S_PINGER 0x00001000
+#define S_FILTER 0x00002000
/* unused */
+#define S_ECHO 0x00008000
+#define S_LDLM 0x00010000
+#define S_LOV 0x00020000
+#define S_LQUOTA 0x00040000
+#define S_OSD 0x00080000
+#define S_LFSCK 0x00100000
/* unused */
/* unused */
+#define S_LMV 0x00800000 /* b_new_cmd */
/* unused */
-#define S_LMV 0x00800000 /* b_new_cmd */
+#define S_SEC 0x02000000 /* upcall cache */
+#define S_GSS 0x04000000 /* b_new_cmd */
/* unused */
-#define S_SEC 0x02000000 /* upcall cache */
-#define S_GSS 0x04000000 /* b_new_cmd */
-/* unused */
-#define S_MGC 0x10000000
-#define S_MGS 0x20000000
-#define S_FID 0x40000000 /* b_new_cmd */
-#define S_FLD 0x80000000 /* b_new_cmd */
-/* keep these in sync with lnet/utils/debug.c and lnet/libcfs/debug.c */
+#define S_MGC 0x10000000
+#define S_MGS 0x20000000
+#define S_FID 0x40000000 /* b_new_cmd */
+#define S_FLD 0x80000000 /* b_new_cmd */
+
+#define LIBCFS_DEBUG_SUBSYS_NAMES { \
+ "undefined", "mdc", "mds", "osc", "ost", "class", "log", \
+ "llite", "rpc", "mgmt", "lnet", "lnd", "pinger", "filter", "", \
+ "echo", "ldlm", "lov", "lquota", "osd", "lfsck", "", "", "lmv", \
+ "", "sec", "gss", "", "mgc", "mgs", "fid", "fld", NULL }
/* Debugging masks (32 bits, non-overlapping) */
-/* keep these in sync with lnet/utils/debug.c and lnet/libcfs/debug.c */
-#define D_TRACE 0x00000001 /* ENTRY/EXIT markers */
-#define D_INODE 0x00000002
-#define D_SUPER 0x00000004
-#define D_EXT2 0x00000008 /* anything from ext2_debug */
-#define D_MALLOC 0x00000010 /* print malloc, free information */
-#define D_CACHE 0x00000020 /* cache-related items */
-#define D_INFO 0x00000040 /* general information */
-#define D_IOCTL 0x00000080 /* ioctl related information */
-#define D_NETERROR 0x00000100 /* network errors */
-#define D_NET 0x00000200 /* network communications */
-#define D_WARNING 0x00000400 /* CWARN(...) == CDEBUG (D_WARNING, ...) */
-#define D_BUFFS 0x00000800
-#define D_OTHER 0x00001000
-#define D_DENTRY 0x00002000
-#define D_NETTRACE 0x00004000
-#define D_PAGE 0x00008000 /* bulk page handling */
-#define D_DLMTRACE 0x00010000
-#define D_ERROR 0x00020000 /* CERROR(...) == CDEBUG (D_ERROR, ...) */
-#define D_EMERG 0x00040000 /* CEMERG(...) == CDEBUG (D_EMERG, ...) */
-#define D_HA 0x00080000 /* recovery and failover */
-#define D_RPCTRACE 0x00100000 /* for distributed debugging */
-#define D_VFSTRACE 0x00200000
-#define D_READA 0x00400000 /* read-ahead */
-#define D_MMAP 0x00800000
-#define D_CONFIG 0x01000000
-#define D_CONSOLE 0x02000000
-#define D_QUOTA 0x04000000
-#define D_SEC 0x08000000
-/* keep these in sync with lnet/{utils,libcfs}/debug.c */
+#define D_TRACE 0x00000001 /* ENTRY/EXIT markers */
+#define D_INODE 0x00000002
+#define D_SUPER 0x00000004
+#define D_EXT2 0x00000008 /* anything from ext2_debug */
+#define D_MALLOC 0x00000010 /* print malloc, free information */
+#define D_CACHE 0x00000020 /* cache-related items */
+#define D_INFO 0x00000040 /* general information */
+#define D_IOCTL 0x00000080 /* ioctl related information */
+#define D_NETERROR 0x00000100 /* network errors */
+#define D_NET 0x00000200 /* network communications */
+#define D_WARNING 0x00000400 /* CWARN(...) == CDEBUG (D_WARNING, ...) */
+#define D_BUFFS 0x00000800
+#define D_OTHER 0x00001000
+#define D_DENTRY 0x00002000
+#define D_NETTRACE 0x00004000
+#define D_PAGE 0x00008000 /* bulk page handling */
+#define D_DLMTRACE 0x00010000
+#define D_ERROR 0x00020000 /* CERROR(...) == CDEBUG (D_ERROR, ...) */
+#define D_EMERG 0x00040000 /* CEMERG(...) == CDEBUG (D_EMERG, ...) */
+#define D_HA 0x00080000 /* recovery and failover */
+#define D_RPCTRACE 0x00100000 /* for distributed debugging */
+#define D_VFSTRACE 0x00200000
+#define D_READA 0x00400000 /* read-ahead */
+#define D_MMAP 0x00800000
+#define D_CONFIG 0x01000000
+#define D_CONSOLE 0x02000000
+#define D_QUOTA 0x04000000
+#define D_SEC 0x08000000
+#define D_LFSCK 0x10000000 /* For both OI scrub and LFSCK */
+#define D_HSM 0x20000000
+
+#define LIBCFS_DEBUG_MASKS_NAMES { \
+ "trace", "inode", "super", "ext2", "malloc", "cache", "info", \
+ "ioctl", "neterror", "net", "warning", "buffs", "other", \
+ "dentry", "nettrace", "page", "dlmtrace", "error", "emerg", \
+ "ha", "rpctrace", "vfstrace", "reada", "mmap", "config", \
+ "console", "quota", "sec", "lfsck", "hsm", NULL }
#define D_CANTMASK (D_ERROR | D_EMERG | D_WARNING | D_CONSOLE)
#define CDEBUG_DEFAULT_BACKOFF 2
typedef struct {
cfs_time_t cdls_next;
+ unsigned int cdls_delay;
int cdls_count;
- cfs_duration_t cdls_delay;
} cfs_debug_limit_state_t;
-#if defined(__KERNEL__) || (defined(__arch_lib__) && !defined(LUSTRE_UTILS))
+struct libcfs_debug_msg_data {
+ const char *msg_file;
+ const char *msg_fn;
+ int msg_subsys;
+ int msg_line;
+ int msg_mask;
+ cfs_debug_limit_state_t *msg_cdls;
+};
-#ifdef CDEBUG_ENABLED
+#define LIBCFS_DEBUG_MSG_DATA_INIT(data, mask, cdls) \
+do { \
+ (data)->msg_subsys = DEBUG_SUBSYSTEM; \
+ (data)->msg_file = __FILE__; \
+ (data)->msg_fn = __FUNCTION__; \
+ (data)->msg_line = __LINE__; \
+ (data)->msg_cdls = (cdls); \
+ (data)->msg_mask = (mask); \
+} while (0)
+
+#define LIBCFS_DEBUG_MSG_DATA_DECL(dataname, mask, cdls) \
+ static struct libcfs_debug_msg_data dataname = { \
+ .msg_subsys = DEBUG_SUBSYSTEM, \
+ .msg_file = __FILE__, \
+ .msg_fn = __FUNCTION__, \
+ .msg_line = __LINE__, \
+ .msg_cdls = (cdls) }; \
+ dataname.msg_mask = (mask);
+
+#ifdef __KERNEL__
+
+# ifdef CDEBUG_ENABLED
/**
* Filters out logging messages based on mask and subsystem.
*/
-static inline int cdebug_show(unsigned int mask, unsigned int subsystem)
+static inline int cfs_cdebug_show(unsigned int mask, unsigned int subsystem)
{
return mask & D_CANTMASK ||
((libcfs_debug & mask) && (libcfs_subsystem_debug & subsystem));
}
-#define __CDEBUG(cdls, mask, format, ...) \
+# define __CDEBUG(cdls, mask, format, ...) \
do { \
- CHECK_STACK(); \
+ static struct libcfs_debug_msg_data msgdata; \
+ \
+ CFS_CHECK_STACK(&msgdata, mask, cdls); \
\
- if (cdebug_show(mask, DEBUG_SUBSYSTEM)) \
- libcfs_debug_msg(cdls, DEBUG_SUBSYSTEM, mask, \
- __FILE__, __FUNCTION__, __LINE__, \
- format, ## __VA_ARGS__); \
+ if (cfs_cdebug_show(mask, DEBUG_SUBSYSTEM)) { \
+ LIBCFS_DEBUG_MSG_DATA_INIT(&msgdata, mask, cdls); \
+ libcfs_debug_msg(&msgdata, format, ## __VA_ARGS__); \
+ } \
} while (0)
-#define CDEBUG(mask, format, ...) __CDEBUG(NULL, mask, format, ## __VA_ARGS__)
+# define CDEBUG(mask, format, ...) __CDEBUG(NULL, mask, format, ## __VA_ARGS__)
-#define CDEBUG_LIMIT(mask, format, ...) \
+# define CDEBUG_LIMIT(mask, format, ...) \
do { \
static cfs_debug_limit_state_t cdls; \
\
__CDEBUG(&cdls, mask, format, ## __VA_ARGS__);\
} while (0)
-#else /* !CDEBUG_ENABLED */
-static inline int cdebug_show(unsigned int mask, unsigned int subsystem)
+# else /* !CDEBUG_ENABLED */
+static inline int cfs_cdebug_show(unsigned int mask, unsigned int subsystem)
{
return 0;
}
-#define CDEBUG(mask, format, ...) (void)(0)
-#define CDEBUG_LIMIT(mask, format, ...) (void)(0)
-#warning "CDEBUG IS DISABLED. THIS SHOULD NEVER BE DONE FOR PRODUCTION!"
-#endif
-
-#else /* !__KERNEL__ && (!__arch_lib__ || LUSTRE_UTILS) */
+# define CDEBUG(mask, format, ...) (void)(0)
+# define CDEBUG_LIMIT(mask, format, ...) (void)(0)
+# warning "CDEBUG IS DISABLED. THIS SHOULD NEVER BE DONE FOR PRODUCTION!"
+# endif /* CDEBUG_ENABLED */
-#define CDEBUG(mask, format, ...) \
+#else /* !__KERNEL__ */
+static inline int cfs_cdebug_show(unsigned int mask, unsigned int subsystem)
+{
+ return 0;
+}
+# define CDEBUG(mask, format, ...) \
do { \
if (((mask) & D_CANTMASK) != 0) \
fprintf(stderr, "(%s:%d:%s()) " format, \
__FILE__, __LINE__, __FUNCTION__, ## __VA_ARGS__);\
} while (0)
-#define CDEBUG_LIMIT CDEBUG
-
-#endif /* !__KERNEL__ ... */
+# define CDEBUG_LIMIT CDEBUG
+#endif /* __KERNEL__ */
#define CWARN(format, ...) CDEBUG_LIMIT(D_WARNING, format, ## __VA_ARGS__)
#define CERROR(format, ...) CDEBUG_LIMIT(D_ERROR, format, ## __VA_ARGS__)
+#define CNETERR(format, a...) CDEBUG_LIMIT(D_NETERROR, format, ## a)
#define CEMERG(format, ...) CDEBUG_LIMIT(D_EMERG, format, ## __VA_ARGS__)
#define LCONSOLE(mask, format, ...) CDEBUG(D_CONSOLE | (mask), format, ## __VA_ARGS__)
#define LCONSOLE_EMERG(format, ...) CDEBUG(D_CONSOLE | D_EMERG, format, ## __VA_ARGS__)
-#ifdef CDEBUG_ENABLED
-
-#define GOTO(label, rc) \
-do { \
- long_ptr_t GOTO__ret = (long_ptr_t)(rc); \
- CDEBUG(D_TRACE,"Process leaving via %s (rc=" LPLU " : " LPLD \
- " : " LPLX ")\n", #label, (ulong_ptr_t)GOTO__ret, \
- GOTO__ret, GOTO__ret); \
- goto label; \
+#if defined(CDEBUG_ENTRY_EXIT) && defined(__KERNEL__)
+
+void libcfs_log_goto(struct libcfs_debug_msg_data *goto_data,
+ const char *label, long_ptr_t rc);
+
+# define GOTO(label, rc) \
+do { \
+ if (cfs_cdebug_show(D_TRACE, DEBUG_SUBSYSTEM)) { \
+ LIBCFS_DEBUG_MSG_DATA_DECL(_goto_data, D_TRACE, NULL); \
+ libcfs_log_goto(&_goto_data, #label, (long_ptr_t)(rc)); \
+ } else { \
+ (void)(rc); \
+ } \
+ \
+ goto label; \
} while (0)
-#else
-#define GOTO(label, rc) do { ((void)(rc)); goto label; } while (0)
-#endif
-#ifdef CDEBUG_ENTRY_EXIT
-/*
- * if rc == NULL, we need to code as RETURN((void *)NULL), otherwise
- * there will be a warning in osx.
- */
-#if defined(__GNUC__)
-#define RETURN(rc) \
-do { \
- typeof(rc) RETURN__ret = (rc); \
- CDEBUG(D_TRACE, "Process leaving (rc=%lu : %ld : %lx)\n", \
- (long)RETURN__ret, (long)RETURN__ret, (long)RETURN__ret);\
- EXIT_NESTING; \
- return RETURN__ret; \
+long libcfs_log_return(struct libcfs_debug_msg_data *, long rc);
+# if BITS_PER_LONG > 32
+# define RETURN(rc) \
+do { \
+ if (cfs_cdebug_show(D_TRACE, DEBUG_SUBSYSTEM)) { \
+ LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, D_TRACE, NULL); \
+ return (typeof(rc))libcfs_log_return(&msgdata, \
+ (long)(rc)); \
+ } \
+ \
+ return (rc); \
} while (0)
-#elif defined(_MSC_VER)
-#define RETURN(rc) \
-do { \
- CDEBUG(D_TRACE, "Process leaving.\n"); \
- EXIT_NESTING; \
- return (rc); \
+# else /* BITS_PER_LONG == 32 */
+/* We need an on-stack variable, because we cannot case a 32-bit pointer
+ * directly to (long long) without generating a complier warning/error, yet
+ * casting directly to (long) will truncate 64-bit return values. The log
+ * values will print as 32-bit values, but they always have been. LU-1436
+ */
+# define RETURN(rc) \
+do { \
+ if (cfs_cdebug_show(D_TRACE, DEBUG_SUBSYSTEM)) { \
+ typeof(rc) __rc = (rc); \
+ LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, D_TRACE, NULL); \
+ libcfs_log_return(&msgdata, (long_ptr_t)__rc); \
+ return __rc; \
+ } \
+ \
+ return (rc); \
} while (0)
-#else
-# error "Unkown compiler"
-#endif /* __GNUC__ */
-#define ENTRY \
-ENTRY_NESTING; \
-do { \
- CDEBUG(D_TRACE, "Process entered\n"); \
-} while (0)
+# endif /* BITS_PER_LONG > 32 */
-#define EXIT \
-do { \
- CDEBUG(D_TRACE, "Process leaving\n"); \
- EXIT_NESTING; \
-} while(0)
-#else /* !CDEBUG_ENTRY_EXIT */
+# define ENTRY CDEBUG(D_TRACE, "Process entered\n")
+# define EXIT CDEBUG(D_TRACE, "Process leaving\n")
-#define RETURN(rc) return (rc)
-#define ENTRY do { } while (0)
-#define EXIT do { } while (0)
+#else /* !CDEBUG_ENTRY_EXIT || !__KERNEL__ */
-#endif /* !CDEBUG_ENTRY_EXIT */
+# define GOTO(label, rc) \
+ do { \
+ ((void)(rc)); \
+ goto label; \
+ } while (0)
-#define RETURN_EXIT \
-do { \
- EXIT_NESTING; \
- return; \
+# define RETURN(rc) return (rc)
+# define ENTRY do { } while (0)
+# define EXIT do { } while (0)
+
+#endif /* CDEBUG_ENTRY_EXIT && __KERNEL__ */
+
+#define RETURN_EXIT \
+do { \
+ EXIT; \
+ return; \
} while (0)
-struct libcfs_debug_msg_data {
- cfs_debug_limit_state_t *msg_cdls;
- int msg_subsys;
- const char *msg_file;
- const char *msg_fn;
- int msg_line;
-};
+extern int libcfs_debug_msg(struct libcfs_debug_msg_data *msgdata,
+ const char *format1, ...)
+ __attribute__ ((format (printf, 2, 3)));
-#define DEBUG_MSG_DATA_INIT(cdls, subsystem, file, func, ln ) { \
- /* msg_cdls */ (cdls), \
- /* msg_subsys */ (subsystem), \
- /* msg_file */ (file), \
- /* msg_fn */ (func), \
- /* msg_line */ (ln) \
- }
-
-
-extern 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, ...)
- __attribute__ ((format (printf, 9, 10)));
-
-#define libcfs_debug_vmsg(cdls, subsys, mask, file, fn, line, format, args) \
- libcfs_debug_vmsg2(cdls, subsys, mask, file, fn,line,format,args,NULL,NULL)
-
-#define libcfs_debug_msg(cdls, subsys, mask, file, fn, line, format, ...) \
- libcfs_debug_vmsg2(cdls, subsys, mask, file, fn,line,NULL,NULL,format, ## __VA_ARGS__)
-
-#define cdebug_va(cdls, mask, file, func, line, fmt, args) do { \
- CHECK_STACK(); \
- \
- if (cdebug_show(mask, DEBUG_SUBSYSTEM)) \
- libcfs_debug_vmsg(cdls, DEBUG_SUBSYSTEM, (mask), \
- (file), (func), (line), fmt, args); \
-} while(0);
-
-#define cdebug(cdls, mask, file, func, line, fmt, ...) do { \
- CHECK_STACK(); \
- \
- if (cdebug_show(mask, DEBUG_SUBSYSTEM)) \
- libcfs_debug_msg(cdls, DEBUG_SUBSYSTEM, (mask), \
- (file), (func), (line), fmt, ## __VA_ARGS__);\
-} while(0);
-
-extern void libcfs_assertion_failed(const char *expr, const char *file,
- const char *fn, const int line);
-
-
-#if defined(HAVE_BGL_SUPPORT)
-#define DEBUG_FILE_PATH_DEFAULT "/bgl/ion/tmp/lustre-log"
-#elif defined(__arch_um__)
-#define DEBUG_FILE_PATH_DEFAULT "/r/tmp/lustre-log"
-#elif defined(__WINNT__)
-#define DEBUG_FILE_PATH_DEFAULT "\\SystemRoot\\temp\\lustre-log"
-#else
-#define DEBUG_FILE_PATH_DEFAULT "/tmp/lustre-log"
-#endif
+extern int libcfs_debug_vmsg2(struct libcfs_debug_msg_data *msgdata,
+ const char *format1,
+ va_list args, const char *format2, ...)
+ __attribute__ ((format (printf, 4, 5)));
+
+/* other external symbols that tracefile provides: */
+extern int cfs_trace_copyin_string(char *knl_buffer, int knl_buffer_nob,
+ const char __user *usr_buffer,
+ int usr_buffer_nob);
+extern int cfs_trace_copyout_string(char __user *usr_buffer, int usr_buffer_nob,
+ const char *knl_buffer, char *append);
+
+#define LIBCFS_DEBUG_FILE_PATH_DEFAULT "/tmp/lustre-log"
#endif /* __LIBCFS_DEBUG_H__ */
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