Merge probe and ordinary tracepoints

[binutils-gdb.git] / gprof / gprof.texi

diff --git a/gprof/gprof.texi b/gprof/gprof.texi
index 790cd6b133495a4da9c84a809fc0736df698bff4..1b6cae93d8f81d553d1653f26889bb490642d990 100644 (file)
--- a/gprof/gprof.texi
+++ b/gprof/gprof.texi
@@ -1,6 +1,6 @@
 \input texinfo @c -*-texinfo-*-
 @setfilename gprof.info
-@c Copyright (C) 1988-2019 Free Software Foundation, Inc.
+@c Copyright (C) 1988-2022 Free Software Foundation, Inc.
 @settitle GNU gprof
 @setchapternewpage odd
 
@@ -21,7 +21,7 @@
 This file documents the gprof profiler of the GNU system.
 
 @c man begin COPYRIGHT
-Copyright @copyright{} 1988-2019 Free Software Foundation, Inc.
+Copyright @copyright{} 1988-2022 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 1.3
@@ -54,7 +54,7 @@ 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{} 1988-2019 Free Software Foundation, Inc.
+Copyright @copyright{} 1988-2022 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 1.3
@@ -381,9 +381,11 @@ initialization and in cleanup, but not much else.
 
 Your program will write the profile data into a file called @file{gmon.out}
 just before exiting.  If there is already a file called @file{gmon.out},
-its contents are overwritten.  There is currently no way to tell the
-program to write the profile data under a different name, but you can rename
-the file afterwards if you are concerned that it may be overwritten.
+its contents are overwritten.  You can rename the file afterwards if you
+are concerned that it may be overwritten.  If your system libc allows you
+may be able to write the profile data under a different name.  Set the
+GMON_OUT_PREFIX environment variable; this name will be appended with
+the PID of the running program.
 
 In order to write the @file{gmon.out} file properly, your program must exit
 normally: by returning from @code{main} or by calling @code{exit}.  Calling
@@ -1931,7 +1933,7 @@ load due to other users won't directly affect the output you get.
 @section Profiling Data File Format
 
 The old BSD-derived file format used for profile data does not contain a
-magic cookie that allows to check whether a data file really is a
+magic cookie that allows one to check whether a data file really is a
 @code{gprof} file.  Furthermore, it does not provide a version number, thus
 rendering changes to the file format almost impossible.  @sc{gnu} @code{gprof}
 uses a new file format that provides these features.  For backward