patch-1.3.72 linux/drivers/char/ftape/tracing.c

• Lines: 105
• Date: Wed Mar 6 15:07:21 1996
• Orig file: v1.3.71/linux/drivers/char/ftape/tracing.c
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v1.3.71/linux/drivers/char/ftape/tracing.c linux/drivers/char/ftape/tracing.c
@@ -0,0 +1,104 @@
+
+/*
+ *      Copyright (C) 1993-1995 Bas Laarhoven.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ 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 for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING.  If not, write to
+ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+ *
+ *      This file contains the reading code
+ *      for the QIC-117 floppy-tape driver for Linux.
+ */
+
+#include <linux/module.h>
+#include <linux/ftape.h>
+
+#include "tracing.h"
+
+/*      Global vars.
+ */
+/*      tracing
+ *      set it to:     to get:
+ *       0              bugs
+ *       1              + errors
+ *       2              + warnings
+ *       3              + information
+ *       4              + more information
+ *       5              + program flow
+ *       6              + fdc/dma info
+ *       7              + data flow
+ *       8              + everything else
+ */
+int tracing = 3;		/* Default level: report only errors */
+
+#ifndef NO_TRACE_AT_ALL
+
+byte trace_id = 0;
+int function_nest_level = 0;
+
+/*      Local vars.
+ */
+static char spacing[] = "*                              ";
+
+int trace_call(int level, char *file, char *name)
+{
+	char *indent;
+
+	if (tracing >= level && level <= TOP_LEVEL) {
+		/*    Since printk seems not to work with "%*s" format
+		 *    we'll use this work-around.
+		 */
+		if (function_nest_level < sizeof(spacing)) {
+			indent = spacing + sizeof(spacing) - 1 - function_nest_level;
+		} else {
+			indent = spacing;
+		}
+		printk(KERN_INFO "[%03d]%s+%s (%s)\n", (int) trace_id++, indent, file, name);
+	}
+	return function_nest_level++;
+}
+
+void trace_exit(int level, char *file, char *name)
+{
+	char *indent;
+
+	if (tracing >= level && level <= TOP_LEVEL) {
+		/*    Since printk seems not to work with "%*s" format
+		 *    we'll use this work-around.
+		 */
+		if (function_nest_level < sizeof(spacing)) {
+			indent = spacing + sizeof(spacing) - 1 - function_nest_level;
+		} else {
+			indent = spacing;
+		}
+		printk(KERN_INFO "[%03d]%s-%s (%s)\n", (int) trace_id++, indent, file, name);
+	}
+}
+
+void trace_log(char *file, char *name)
+{
+	char *indent;
+
+	/*    Since printk seems not to work with "%*s" format
+	 *    we'll use this work-around.
+	 */
+	if (function_nest_level < sizeof(spacing)) {
+		indent = spacing + sizeof(spacing) - 1 - function_nest_level;
+	} else {
+		indent = spacing;
+	}
+	printk(KERN_INFO "[%03d]%s%s (%s) - ", (int) trace_id++, indent, file, name);
+}
+
+#endif				/* NO_TRACE_AT_ALL */