Viewing: libcfs_debug.h
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
* Copyright (c) 2012, 2014, Intel Corporation.
*/
/* This file is part of Lustre, http://www.lustre.org/
*
* Debug messages and assertions
*/
#ifndef __UAPI_LIBCFS_DEBUG_H__
#define __UAPI_LIBCFS_DEBUG_H__
#include <linux/types.h>
/**
* Format for debug message headers
*/
struct ptldebug_header {
__u32 ph_len;
__u32 ph_flags;
__u32 ph_subsys;
__u32 ph_mask;
__u16 ph_cpu_id;
__u16 ph_type;
/* time_t overflow in 2106 */
__u32 ph_sec;
__u64 ph_usec;
__u32 ph_stack;
__u32 ph_pid;
__u32 ph_extern_pid;
__u32 ph_line_num;
} __attribute__((packed));
#define PH_FLAG_FIRST_RECORD 1
/* Debugging subsystems (32 bits, non-overlapping) */
enum libcfs_debug_subsys {
S_UNDEFINED = 0x00000001,
S_MDC = 0x00000002,
S_MDS = 0x00000004,
S_OSC = 0x00000008,
S_OST = 0x00000010,
S_CLASS = 0x00000020,
S_LOG = 0x00000040,
S_LLITE = 0x00000080,
S_RPC = 0x00000100,
S_MGMT = 0x00000200,
S_LNET = 0x00000400,
S_LND = 0x00000800, /* ALL LNDs */
S_PINGER = 0x00001000,
S_FILTER = 0x00002000,
S_LIBCFS = 0x00004000,
S_ECHO = 0x00008000,
S_LDLM = 0x00010000,
S_LOV = 0x00020000,
S_LQUOTA = 0x00040000,
S_OSD = 0x00080000,
S_LFSCK = 0x00100000,
S_SNAPSHOT = 0x00200000,
/* unused */
S_LMV = 0x00800000,
/* unused */
S_SEC = 0x02000000, /* upcall cache */
S_GSS = 0x04000000,
/* unused */
S_MGC = 0x10000000,
S_MGS = 0x20000000,
S_FID = 0x40000000,
S_FLD = 0x80000000,
};
#define LIBCFS_S_DEFAULT (~0)
#define LIBCFS_DEBUG_SUBSYS_NAMES { \
"undefined", "mdc", "mds", "osc", "ost", "class", "log", \
"llite", "rpc", "mgmt", "lnet", "lnd", "pinger", "filter", \
"libcfs", "echo", "ldlm", "lov", "lquota", "osd", "lfsck", \
"snapshot", "", "lmv", "", "sec", "gss", "", "mgc", "mgs", \
"fid", "fld", NULL }
/* Debugging masks (32 bits, non-overlapping) */
enum libcfs_debug_masks {
D_TRACE = 0x00000001, /* ENTRY/EXIT markers */
D_INODE = 0x00000002,
D_SUPER = 0x00000004,
D_IOTRACE = 0x00000008, /* simple, low overhead io tracing */
D_MALLOC = 0x00000010, /* print malloc, free information */
D_CACHE = 0x00000020, /* cache-related items */
D_INFO = 0x00000040, /* general information */
D_IOCTL = 0x00000080, /* ioctl related information */
D_NETERROR = 0x00000100, /* network errors */
D_NET = 0x00000200, /* network communications */
D_WARNING = 0x00000400, /* CWARN(...) == CDEBUG(D_WARNING, ...) */
D_BUFFS = 0x00000800,
D_OTHER = 0x00001000,
D_DENTRY = 0x00002000,
D_NETTRACE = 0x00004000,
D_PAGE = 0x00008000, /* bulk page handling */
D_DLMTRACE = 0x00010000,
D_ERROR = 0x00020000, /* CERROR(...) == CDEBUG(D_ERROR, ...) */
D_EMERG = 0x00040000, /* CEMERG(...) == CDEBUG(D_EMERG, ...) */
D_HA = 0x00080000, /* recovery and failover */
D_RPCTRACE = 0x00100000, /* for distributed debugging */
D_VFSTRACE = 0x00200000,
D_READA = 0x00400000, /* read-ahead */
D_MMAP = 0x00800000,
D_CONFIG = 0x01000000,
D_CONSOLE = 0x02000000,
D_QUOTA = 0x04000000,
D_SEC = 0x08000000,
D_LFSCK = 0x10000000, /* For both OI scrub and LFSCK */
D_HSM = 0x20000000,
D_SNAPSHOT = 0x40000000,
D_LAYOUT = 0x80000000,
};
#define LIBCFS_D_DEFAULT (D_CANTMASK | D_NETERROR | D_HA | D_CONFIG | D_IOCTL |\
D_LFSCK)
#define LIBCFS_DEBUG_MASKS_NAMES { \
"trace", "inode", "super", "iotrace", "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", "snapshot", "layout",\
NULL }
#define D_CANTMASK (D_ERROR | D_EMERG | D_WARNING | D_CONSOLE)
#define LIBCFS_DEBUG_FILE_PATH_DEFAULT "/tmp/lustre-log"
#endif /* __UAPI_LIBCFS_DEBUG_H__ */
