X-Git-Url: https://oss.titaniummirror.com/gitweb?p=msp430-binutils.git;a=blobdiff_plain;f=gprof%2Fgprof.texi;fp=gprof%2Fgprof.texi;h=058d5e70262e76b1219dfdf214b7a80dc2793249;hp=e609ffec9e912e279a00611a5c48c6dbedfe0aeb;hb=d5da4f291af551c0b8b79e1d4a9b173d60e5c10e;hpb=7b5ea4fcdf2819e070665ab5610f8b48e3867c10 diff --git a/gprof/gprof.texi b/gprof/gprof.texi index e609ffe..058d5e7 100644 --- a/gprof/gprof.texi +++ b/gprof/gprof.texi @@ -1,7 +1,7 @@ \input texinfo @c -*-texinfo-*- @setfilename gprof.info @c Copyright 1988, 1992, 1993, 1998, 1999, 2000, 2001, 2002, 2003, -@c 2004, 2007 +@c 2004, 2007, 2008, 2009 @c Free Software Foundation, Inc. @settitle GNU gprof @setchapternewpage odd @@ -24,10 +24,10 @@ END-INFO-DIR-ENTRY This file documents the gprof profiler of the GNU system. @c man begin COPYRIGHT -Copyright @copyright{} 1988, 92, 97, 98, 99, 2000, 2001, 2003, 2007 Free Software Foundation, Inc. +Copyright @copyright{} 1988, 92, 97, 98, 99, 2000, 2001, 2003, 2007, 2008, 2009 Free Software Foundation, Inc. Permission is granted to copy, distribute and/or modify this document -under the terms of the GNU Free Documentation License, Version 1.1 +under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. A copy of the license is included in the @@ -57,10 +57,10 @@ execute programs. @sc{gnu} @code{gprof} was written by Jay Fenlason. Eric S. Raymond made some minor corrections and additions in 2003. @vskip 0pt plus 1filll -Copyright @copyright{} 1988, 92, 97, 98, 99, 2000, 2003 Free Software Foundation, Inc. +Copyright @copyright{} 1988, 92, 97, 98, 99, 2000, 2003, 2008, 2009 Free Software Foundation, Inc. Permission is granted to copy, distribute and/or modify this document - under the terms of the GNU Free Documentation License, Version 1.1 + under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. A copy of the license is included in the @@ -85,8 +85,8 @@ This manual is for @code{gprof} version @value{VERSION}. This document is distributed under the terms of the GNU Free -Documentation License. A copy of the license is included in the -section entitled ``GNU Free Documentation License''. +Documentation License version 1.3. A copy of the license is included +in the section entitled ``GNU Free Documentation License''. @menu * Introduction:: What profiling means, and why it is useful. @@ -128,7 +128,8 @@ gprof [ -[abcDhilLrsTvwxyz] ] [ -[ACeEfFJnNOpPqQZ][@var{name}] ] [ --static-call-graph ] [ --sum ] [ --table-length=@var{len} ] [ --traditional ] [ --version ] [ --width=@var{n} ] [ --ignore-non-functions ] [ --demangle[=@var{STYLE}] ] - [ --no-demangle ] [ @var{image-file} ] [ @var{profile-file} @dots{} ] + [ --no-demangle ] [--external-symbol-table=name] + [ @var{image-file} ] [ @var{profile-file} @dots{} ] @c man end @end smallexample @@ -325,6 +326,20 @@ example: ld -o myprog /lib/gcrt0.o myprog.o utils.o -lc_p @end example +If you are running the program on a system which supports shared +libraries you may run into problems with the profiling support code in +a shared library being called before that library has been fully +initialised. This is usually detected by the program encountering a +segmentation fault as soon as it is run. The solution is to link +against a static version of the library containing the profiling +support code, which for @code{gcc} users can be done via the +@samp{-static} or @samp{-static-libgcc} command line option. For +example: + +@example +gcc -g -pg -static-libgcc myprog.c utils.c -o myprog +@end example + If you compile only some of the modules of the program with @samp{-pg}, you can still profile the program, but you won't get complete information about the modules that were compiled without @samp{-pg}. The only information @@ -711,6 +726,13 @@ to only propagate times for symbols matching @var{symspec}. The @samp{-n} option causes @code{gprof}, in its call graph analysis, not to propagate times for symbols matching @var{symspec}. +@item -S@var{filename} +@itemx --external-symbol-table=@var{filename} +The @samp{-S} option causes @code{gprof} to read an external symbol table +file, such as @file{/proc/kallsyms}, rather than read the symbol table +from the given object file (the default is @code{a.out}). This is useful +for profiling kernel modules. + @item -z @itemx --display-unused-functions If you give the @samp{-z} option, @code{gprof} will mention all @@ -2196,370 +2218,7 @@ Tracks operation of @samp{-A} option @node GNU Free Documentation License @appendix GNU Free Documentation License -@center Version 1.1, March 2000 - -@display -Copyright (C) 2000, 2003 Free Software Foundation, Inc. -51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - -Everyone is permitted to copy and distribute verbatim copies -of this license document, but changing it is not allowed. -@end display -@sp 1 -@enumerate 0 -@item -PREAMBLE - -The purpose of this License is to make a manual, textbook, or other -written document ``free'' in the sense of freedom: to assure everyone -the effective freedom to copy and redistribute it, with or without -modifying it, either commercially or noncommercially. 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