* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, Whamcloud, Inc.
+ * Copyright (c) 2011, 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
*
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
-
# define DEBUG_SUBSYSTEM S_LNET
#include <libcfs/libcfs.h>
/* libcfs_debug_token2mask() expects the returned
* string in lower-case */
-const char *
-libcfs_debug_subsys2str(int subsys)
+const char *libcfs_debug_subsys2str(int subsys)
{
- switch (1 << 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_LQUOTA:
- return "lquota";
- 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";
- }
+ static const char *libcfs_debug_subsystems[] = LIBCFS_DEBUG_SUBSYS_NAMES;
+
+ if (subsys >= ARRAY_SIZE(libcfs_debug_subsystems))
+ return NULL;
+
+ return libcfs_debug_subsystems[subsys];
}
/* libcfs_debug_token2mask() expects the returned
* string in lower-case */
-const char *
-libcfs_debug_dbg2str(int debug)
+const char *libcfs_debug_dbg2str(int debug)
{
- switch (1 << 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";
- }
+ static const char *libcfs_debug_masks[] = LIBCFS_DEBUG_MASKS_NAMES;
+
+ if (debug >= ARRAY_SIZE(libcfs_debug_masks))
+ return NULL;
+
+ return libcfs_debug_masks[debug];
}
int
/* we're being careful to ensure that the kernel thread is
* able to set our state to running as it exits before we
* get to schedule() */
- cfs_waitlink_init(&wait);
- cfs_set_current_state(CFS_TASK_INTERRUPTIBLE);
- cfs_waitq_add(&debug_ctlwq, &wait);
-
- dumper = cfs_kthread_run(libcfs_debug_dumplog_thread,
- (void*)(long)cfs_curproc_pid(),
- "libcfs_debug_dumper");
- if (IS_ERR(dumper))
- printk(CFS_KERN_ERR "LustreError: cannot start log dump thread:"
- " %ld\n", PTR_ERR(dumper));
+ cfs_waitlink_init(&wait);
+ cfs_set_current_state(CFS_TASK_INTERRUPTIBLE);
+ cfs_waitq_add(&debug_ctlwq, &wait);
+
+ dumper = kthread_run(libcfs_debug_dumplog_thread,
+ (void *)(long)cfs_curproc_pid(),
+ "libcfs_debug_dumper");
+ if (IS_ERR(dumper))
+ printk(CFS_KERN_ERR "LustreError: cannot start log dump thread:"
+ " %ld\n", PTR_ERR(dumper));
else
cfs_waitq_wait(&wait, CFS_TASK_INTERRUPTIBLE);
libcfs_debug_file_path, PATH_MAX-1);
}
- /* 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 > cfs_trace_max_debug_mb() || max < cfs_num_possible_cpus()) {
- max = TCD_MAX_PAGES;
- } else {
- max = (max / cfs_num_possible_cpus());
- max = (max << (20 - CFS_PAGE_SHIFT));
- }
- rc = cfs_tracefile_init(max);
+ /* 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 > cfs_trace_max_debug_mb() || max < num_possible_cpus()) {
+ max = TCD_MAX_PAGES;
+ } else {
+ max = (max / num_possible_cpus());
+ max = (max << (20 - PAGE_CACHE_SHIFT));
+ }
+ rc = cfs_tracefile_init(max);
if (rc == 0)
libcfs_register_panic_notifier();
git://git.whamcloud.com / fs / lustre-release.git / blobdiff