#define cfs_assert _ASSERT
+#ifndef get_cpu
+#define cfs_get_cpu() smp_processor_id()
+#define cfs_put_cpu() do { } while (0)
+#else
+#define cfs_get_cpu() get_cpu()
+#define cfs_put_cpu() put_cpu()
+#endif
+
#endif /* End of !__KERNEL__ */
/******************************************************************************/
MOSTLYCLEANFILES := @MOSTLYCLEANFILES@ linux-*.c linux/*.o darwin/*.o libcfs
DIST_SOURCES := $(libcfs-all-objs:%.o=%.c) tracefile.h user-prim.c \
user-lock.c user-tcpip.c user-bitops.c\
- user-mem.c
+ user-mem.c linux/linux-tracefile.h
#include <libcfs/libcfs.h>
#include "tracefile.h"
-/* three types of trace_data in linux */
-enum {
- TCD_TYPE_PROC = 0,
- TCD_TYPE_SOFTIRQ,
- TCD_TYPE_IRQ,
- TCD_TYPE_MAX
-};
-
/* percents to share the total debug memory for each type */
static unsigned int pages_factor[TCD_TYPE_MAX] = {
80, /* 80% pages for TCD_TYPE_PROC */
10 /* 10% pages for TCD_TYPE_IRQ */
};
-char *trace_console_buffers[NR_CPUS][3];
+char *trace_console_buffers[NR_CPUS][TCD_TYPE_MAX];
struct rw_semaphore tracefile_sem;
up_write(&tracefile_sem);
}
-char *
-trace_get_console_buffer(void)
-{
- int cpu = cfs_get_cpu();
- int idx;
-
- if (in_irq()) {
- idx = 0;
- } else if (in_softirq()) {
- idx = 1;
- } else {
- idx = 2;
- }
-
- return trace_console_buffers[cpu][idx];
-}
-
-void
-trace_put_console_buffer(char *buffer)
-{
- cfs_put_cpu();
-}
-
-struct trace_cpu_data *
-trace_get_tcd(void)
+trace_buf_type_t
+trace_buf_idx_get()
{
- struct trace_cpu_data *tcd;
- int cpu;
-
- cpu = cfs_get_cpu();
if (in_irq())
- tcd = &(*trace_data[TCD_TYPE_IRQ])[cpu].tcd;
+ return TCD_TYPE_IRQ;
else if (in_softirq())
- tcd = &(*trace_data[TCD_TYPE_SOFTIRQ])[cpu].tcd;
+ return TCD_TYPE_SOFTIRQ;
else
- tcd = &(*trace_data[TCD_TYPE_PROC])[cpu].tcd;
-
- trace_lock_tcd(tcd);
-
- return tcd;
-}
-
-void
-trace_put_tcd (struct trace_cpu_data *tcd)
-{
- trace_unlock_tcd(tcd);
-
- cfs_put_cpu();
+ return TCD_TYPE_PROC;
}
int trace_lock_tcd(struct trace_cpu_data *tcd)
--- /dev/null
+/* -*- 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.
+ *
+ * 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 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ */
+
+#ifndef __LIBCFS_LINUX_TRACEFILE_H__
+#define __LIBCFS_LINUX_TRACEFILE_H__
+
+/**
+ * three types of trace_data in linux
+ */
+typedef enum {
+ TCD_TYPE_PROC = 0,
+ TCD_TYPE_SOFTIRQ,
+ TCD_TYPE_IRQ,
+ TCD_TYPE_MAX
+} trace_buf_type_t;
+
+#endif
#include <libcfs/libcfs.h>
+#if defined(__linux__)
+#include "linux/linux-tracefile.h"
+#elif defined(__WINNT__)
+#include "winnt/winnt-tracefile.h"
+#else
+#error Unsupported operating system.
+#endif
+
/* trace file lock routines */
#define TRACEFILE_NAME_SIZE 1024
extern void print_to_console(struct ptldebug_header *hdr, int mask, const char *buf,
int len, const char *file, const char *fn);
-extern struct trace_cpu_data *trace_get_tcd(void);
-extern void trace_put_tcd(struct trace_cpu_data *tcd);
extern int trace_lock_tcd(struct trace_cpu_data *tcd);
extern void trace_unlock_tcd(struct trace_cpu_data *tcd);
-extern char *trace_get_console_buffer(void);
-extern void trace_put_console_buffer(char *buffer);
+
+/**
+ * trace_buf_type_t, trace_buf_idx_get() and trace_console_buffers[][]
+ * are not public libcfs API; they should be defined in
+ * platform-specific tracefile include files
+ * (see, for example, linux-tracefile.h).
+ */
+
+extern char *trace_console_buffers[NR_CPUS][TCD_TYPE_MAX];
+extern trace_buf_type_t trace_buf_idx_get(void);
+
+static inline char *
+trace_get_console_buffer(void)
+{
+ return trace_console_buffers[cfs_get_cpu()][trace_buf_idx_get()];
+}
+
+static inline void
+trace_put_console_buffer(char *buffer)
+{
+ cfs_put_cpu();
+}
+
+extern union trace_data_union (*trace_data[TCD_MAX_TYPES])[NR_CPUS];
+
+static inline struct trace_cpu_data *
+trace_get_tcd(void)
+{
+ struct trace_cpu_data *tcd =
+ &(*trace_data[trace_buf_idx_get()])[cfs_get_cpu()].tcd;
+
+ trace_lock_tcd(tcd);
+
+ return tcd;
+}
+
+static inline void
+trace_put_tcd (struct trace_cpu_data *tcd)
+{
+ trace_unlock_tcd(tcd);
+
+ cfs_put_cpu();
+}
int trace_refill_stock(struct trace_cpu_data *tcd, int gfp,
struct list_head *stock);
#include <libcfs/libcfs.h>
#include "tracefile.h"
-#ifndef get_cpu
-#define get_cpu() smp_processor_id()
-#define put_cpu() do { } while (0)
-#endif
-
-/* only define one trace_data type for windows */
-enum {
- TCD_TYPE_PASSIVE = 0,
- TCD_TYPE_DISPATCH,
- TCD_TYPE_MAX
-};
-
/* percents to share the total debug memory for each type */
static unsigned int pages_factor[TCD_TYPE_MAX] = {
90, /* 90% pages for TCD_TYPE_PASSIVE */
up_write(&tracefile_sem);
}
-char *
-trace_get_console_buffer(void)
+trace_buf_type_t
+trace_buf_idx_get()
{
- int cpu = get_cpu();
- int type = 0;
-
if (KeGetCurrentIrql() >= DISPATCH_LEVEL)
- type = TCD_TYPE_DISPATCH;
+ return TCD_TYPE_DISPATCH;
else
- type = TCD_TYPE_PASSIVE;
- return trace_console_buffers[cpu][type];
-}
-
-void
-trace_put_console_buffer(char *buffer)
-{
- put_cpu();
-}
-
-struct trace_cpu_data *
-trace_get_tcd(void)
-{
- int cpu = get_cpu();
- int type = 0;
-
- if (KeGetCurrentIrql() >= DISPATCH_LEVEL)
- type = TCD_TYPE_DISPATCH;
- else
- type = TCD_TYPE_PASSIVE;
- return &(*trace_data[type])[cpu].tcd;
-}
-
-void
-trace_put_tcd (struct trace_cpu_data *tcd)
-{
- put_cpu();
+ return TCD_TYPE_PASSIVE;
}
int trace_lock_tcd(struct trace_cpu_data *tcd)
--- /dev/null
+/* -*- 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.
+ *
+ * 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 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ */
+
+#ifndef __LIBCFS_WINNT_TRACEFILE_H__
+#define __LIBCFS_WINNT_TRACEFILE_H__
+
+/**
+ * only define one trace_data type for windows
+ */
+typedef enum {
+ TCD_TYPE_PASSIVE = 0,
+ TCD_TYPE_DISPATCH,
+ TCD_TYPE_MAX
+} trace_buf_type_t;
+
+#endif
git://git.whamcloud.com / fs / lustre-release.git / commitdiff