patch-2.1.66 linux/drivers/char/ftape/lowlevel/ftape-tracing.c

• Lines: 119
• Date: Tue Nov 25 14:45:27 1997
• Orig file: v2.1.65/linux/drivers/char/ftape/lowlevel/ftape-tracing.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.65/linux/drivers/char/ftape/lowlevel/ftape-tracing.c linux/drivers/char/ftape/lowlevel/ftape-tracing.c
@@ -0,0 +1,118 @@
+/*
+ *      Copyright (C) 1993-1996 Bas Laarhoven,
+ *                (C) 1996-1997 Claus-Justus Heine.
+
+ 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.
+
+ *
+ * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape-tracing.c,v $
+ * $Revision: 1.2 $
+ * $Date: 1997/10/05 19:18:27 $
+ *
+ *      This file contains the reading code
+ *      for the QIC-117 floppy-tape driver for Linux.
+ */
+
+#include <linux/ftape.h>
+#include "../lowlevel/ftape-tracing.h"
+
+/*      Global vars.
+ */
+/*      tracing
+ *      set it to:     to log :
+ *       0              bugs
+ *       1              + errors
+ *       2              + warnings
+ *       3              + information
+ *       4              + more information
+ *       5              + program flow
+ *       6              + fdc/dma info
+ *       7              + data flow
+ *       8              + everything else
+ */
+ft_trace_t ftape_tracing = ft_t_info; /* Default level: information and up */
+int  ftape_function_nest_level = 0;
+
+/*      Local vars.
+ */
+static __u8 trace_id = 0;
+static char spacing[] = "*                              ";
+
+void ftape_trace_call(const char *file, const char *name)
+{
+	char *indent;
+
+	/*    Since printk seems not to work with "%*s" format
+	 *    we'll use this work-around.
+	 */
+	if (ftape_function_nest_level < 0) {
+		printk(KERN_INFO "function nest level (%d) < 0\n",
+		       ftape_function_nest_level);
+		ftape_function_nest_level = 0;
+	}
+	if (ftape_function_nest_level < sizeof(spacing)) {
+		indent = (spacing +
+			  sizeof(spacing) - 1 -
+			  ftape_function_nest_level);
+	} else {
+		indent = spacing;
+	}
+	printk(KERN_INFO "[%03d]%s+%s (%s)\n",
+	       (int) trace_id++, indent, file, name);
+}
+
+void ftape_trace_exit(const char *file, const char *name)
+{
+	char *indent;
+
+	/*    Since printk seems not to work with "%*s" format
+	 *    we'll use this work-around.
+	 */
+	if (ftape_function_nest_level < 0) {
+		printk(KERN_INFO "function nest level (%d) < 0\n", ftape_function_nest_level);
+		ftape_function_nest_level = 0;
+	}
+	if (ftape_function_nest_level < sizeof(spacing)) {
+		indent = (spacing +
+			  sizeof(spacing) - 1 -
+			  ftape_function_nest_level);
+	} else {
+		indent = spacing;
+	}
+	printk(KERN_INFO "[%03d]%s-%s (%s)\n",
+	       (int) trace_id++, indent, file, name);
+}
+
+void ftape_trace_log(const char *file, const char *function)
+{
+	char *indent;
+
+	/*    Since printk seems not to work with "%*s" format
+	 *    we'll use this work-around.
+	 */
+	if (ftape_function_nest_level < 0) {
+		printk(KERN_INFO "function nest level (%d) < 0\n", ftape_function_nest_level);
+		ftape_function_nest_level = 0;
+	}
+	if (ftape_function_nest_level < sizeof(spacing)) {
+		indent = (spacing + 
+			  sizeof(spacing) - 1 - 
+			  ftape_function_nest_level);
+	} else {
+		indent = spacing;
+	}
+	printk(KERN_INFO "[%03d]%s%s (%s) - ", 
+	       (int) trace_id++, indent, file, function);
+}