diff options
| -rw-r--r-- | ltrace.1 | 11 | ||||
| -rw-r--r-- | options.c | 4 |
2 files changed, 9 insertions, 6 deletions
@@ -1,5 +1,5 @@ .\" -*-nroff-*- -.\" Copyright (c) 2012, 2013 Petr Machata, Red Hat Inc. +.\" Copyright (c) 2012, 2013, 2014 Petr Machata, Red Hat Inc. .\" Copyright (c) 1997-2005 Juan Cespedes <cespedes@debian.org> .\" .\" This program is free software; you can redistribute it and/or @@ -118,9 +118,9 @@ Besides removing any initial underscore prefix used by the system, this makes C++ function names readable. .IP "\-D, \-\-debug \fRmask\fI" Show debugging output of \fBltrace\fR itself. \fImask\fR is a number -with internal meaning that's not really well defined at all. -\fImask\fR of 77 shows all debug messages, which is what you usually -need. +describing which debug messages should be displayed. Use the option +\-Dh to see what can be used, but note that currently the only +reliable debugmask is 77, which shows all debug messages. .IP "\-e \fIfilter" A qualifying expression which modifies which library calls to trace. The format of the filter expression is described in the section @@ -156,7 +156,8 @@ dependency ordering. If you want to make sure that symbols in given library are actually called, use \fB-x @\fIlibrary_pattern\fR instead. .IP \-L When no \-e option is given, don't assume the default action of -\fB@MAIN\fR. +\fB@MAIN\fR. In practice this means that library calls will not be +traced. .IP "\-n, \-\-indent \fInr" Indent trace output by \fInr\fR spaces for each level of call nesting. Using this option makes the program flow visualization easy @@ -1,6 +1,6 @@ /* * This file is part of ltrace. - * Copyright (C) 2012, 2013 Petr Machata, Red Hat Inc. + * Copyright (C) 2012, 2013, 2014 Petr Machata, Red Hat Inc. * Copyright (C) 2009,2010 Joe Damato * Copyright (C) 1998,1999,2002,2003,2004,2007,2008,2009 Juan Cespedes * Copyright (C) 2006 Ian Wienand @@ -128,6 +128,8 @@ usage_debug(void) { "\n" "Debugging options are mixed using bitwise-or.\n" "Note that the meanings and values are subject to change.\n" + "Also note that these values are used inconsistently in ltrace, and the\n" + "only debuglevel that you can rely on is -D77 that will show everything.\n" ); } |