diff options
| author | Martin Jansa <Martin.Jansa@gmail.com> | 2011-11-11 11:54:56 +0100 |
|---|---|---|
| committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2011-11-15 11:54:44 +0000 |
| commit | 1f90289b0fb3852a5a28f688b587f6d77d589ab7 (patch) | |
| tree | 451d349987d20753caaea1e5e2b36d053d82f9ca /meta/recipes-extended/time/files | |
| parent | c7d8bae47ea80f02af18e67b33e5ac6d1508432a (diff) | |
| download | openembedded-core-1f90289b0fb3852a5a28f688b587f6d77d589ab7.tar.gz openembedded-core-1f90289b0fb3852a5a28f688b587f6d77d589ab7.tar.bz2 openembedded-core-1f90289b0fb3852a5a28f688b587f6d77d589ab7.tar.xz openembedded-core-1f90289b0fb3852a5a28f688b587f6d77d589ab7.zip | |
time: rename files dir to time-1.7 for faster lookup
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Diffstat (limited to 'meta/recipes-extended/time/files')
| -rw-r--r-- | meta/recipes-extended/time/files/debian.patch | 1301 |
1 files changed, 0 insertions, 1301 deletions
diff --git a/meta/recipes-extended/time/files/debian.patch b/meta/recipes-extended/time/files/debian.patch deleted file mode 100644 index 23ea0e3eb..000000000 --- a/meta/recipes-extended/time/files/debian.patch +++ /dev/null @@ -1,1301 +0,0 @@ -Upstream-Status: Backport - ---- time-1.7.orig/configure.in -+++ time-1.7/configure.in -@@ -1,11 +1,8 @@ - dnl Process this file with autoconf to produce a configure script. - AC_INIT(time.c) --VERSION=1.7 --AC_SUBST(VERSION) --PACKAGE=time --AC_SUBST(PACKAGE) -+AM_INIT_AUTOMAKE(time, 1.7) - --AC_ARG_PROGRAM -+AM_MAINTAINER_MODE - - dnl Checks for programs. - AC_PROG_CC -@@ -15,7 +12,7 @@ - dnl Checks for header files. - AC_HEADER_STDC - AC_HEADER_SYS_WAIT --AC_CHECK_HEADERS(unistd.h string.h sys/rusage.h) -+AC_CHECK_HEADERS(unistd.h string.h sys/rusage.h sys/resource.h) - - dnl Checks for typedefs, structures, and compiler characteristics. - AC_C_CONST ---- time-1.7.orig/version.texi -+++ time-1.7/version.texi -@@ -1,3 +1,3 @@ --@set UPDATED 12 June 1996 -+@set UPDATED 9 May 2002 - @set EDITION 1.7 - @set VERSION 1.7 ---- time-1.7.orig/time.c -+++ time-1.7/time.c -@@ -147,6 +147,10 @@ - NULL - }; - -+ -+/* If true, do not show the exit message */ -+static boolean quiet; -+ - /* If true, show an English description next to each statistic. */ - static boolean verbose; - -@@ -172,6 +176,7 @@ - {"help", no_argument, NULL, 'h'}, - {"output-file", required_argument, NULL, 'o'}, - {"portability", no_argument, NULL, 'p'}, -+ {"quiet", no_argument,NULL, 'q'}, - {"verbose", no_argument, NULL, 'v'}, - {"version", no_argument, NULL, 'V'}, - {NULL, no_argument, NULL, 0} -@@ -333,7 +338,8 @@ - else if (WIFSIGNALED (resp->waitstatus)) - fprintf (fp, "Command terminated by signal %d\n", - WTERMSIG (resp->waitstatus)); -- else if (WIFEXITED (resp->waitstatus) && WEXITSTATUS (resp->waitstatus)) -+ else if (WIFEXITED (resp->waitstatus) && WEXITSTATUS (resp->waitstatus) -+ && !quiet) - fprintf (fp, "Command exited with non-zero status %d\n", - WEXITSTATUS (resp->waitstatus)); - -@@ -523,6 +529,7 @@ - char *format; /* Format found in environment. */ - - /* Initialize the option flags. */ -+ quiet = false; - verbose = false; - outfile = NULL; - outfp = stderr; -@@ -536,7 +543,7 @@ - if (format) - output_format = format; - -- while ((optc = getopt_long (argc, argv, "+af:o:pvV", longopts, (int *) 0)) -+ while ((optc = getopt_long (argc, argv, "+af:o:pqvV", longopts, (int *) 0)) - != EOF) - { - switch (optc) -@@ -555,6 +562,9 @@ - case 'p': - output_format = posix_format; - break; -+ case 'q': -+ quiet = true; -+ break; - case 'v': - verbose = true; - break; -@@ -642,9 +652,9 @@ - fflush (outfp); - - if (WIFSTOPPED (res.waitstatus)) -- exit (WSTOPSIG (res.waitstatus)); -+ exit (WSTOPSIG (res.waitstatus) + 128); - else if (WIFSIGNALED (res.waitstatus)) -- exit (WTERMSIG (res.waitstatus)); -+ exit (WTERMSIG (res.waitstatus) + 128); - else if (WIFEXITED (res.waitstatus)) - exit (WEXITSTATUS (res.waitstatus)); - } -@@ -657,7 +667,7 @@ - fprintf (stream, "\ - Usage: %s [-apvV] [-f format] [-o file] [--append] [--verbose]\n\ - [--portability] [--format=format] [--output=file] [--version]\n\ -- [--help] command [arg...]\n", -+ [--quiet] [--help] command [arg...]\n", - program_name); - exit (status); - } ---- time-1.7.orig/resuse.h -+++ time-1.7/resuse.h -@@ -36,19 +36,8 @@ - # include <sys/rusage.h> - #else - # define TV_MSEC tv_usec / 1000 --# if HAVE_WAIT3 -+# if HAVE_SYS_RESOURCE_H - # include <sys/resource.h> --# else --/* Process resource usage structure. */ --struct rusage --{ -- struct timeval ru_utime; /* User time used. */ -- struct timeval ru_stime; /* System time used. */ -- int ru_maxrss, ru_ixrss, ru_idrss, ru_isrss, -- ru_minflt, ru_majflt, ru_nswap, ru_inblock, -- ru_oublock, ru_msgsnd, ru_msgrcv, ru_nsignals, -- ru_nvcsw, ru_nivcsw; --}; - # endif - #endif - ---- time-1.7.orig/time.texi -+++ time-1.7/time.texi -@@ -11,6 +11,12 @@ - @finalout - @end iftex - -+@dircategory Individual utilities -+@direntry -+* time: (time). Run programs and summarize -+ system resource usage. -+@end direntry -+ - @ifinfo - This file documents the the GNU @code{time} command for running programs - and summarizing the system resources they use. -@@ -185,6 +191,10 @@ - sys %S - @end example - -+@item -q -+@itemx --quiet -+Suppress non-zero error code from the executed program. -+ - @item -v - @itemx --verbose - @cindex format ---- time-1.7.orig/time.info -+++ time-1.7/time.info -@@ -1,5 +1,10 @@ --This is Info file ./time.info, produced by Makeinfo-1.55 from the input --file time.texi. -+This is time.info, produced by makeinfo version 4.1 from time.texi. -+ -+INFO-DIR-SECTION Individual utilities -+START-INFO-DIR-ENTRY -+* time: (time). Run programs and summarize -+ system resource usage. -+END-INFO-DIR-ENTRY - - This file documents the the GNU `time' command for running programs - and summarizing the system resources they use. -@@ -31,7 +36,7 @@ - - * Resource Measurement:: Measuring program resource use. - -- -- The Detailed Node Listing -- -+ --- The Detailed Node Listing --- - - Measuring Program Resource Use - -@@ -58,14 +63,14 @@ - The `time' command runs another program, then displays information - about the resources used by that program, collected by the system while - the program was running. You can select which information is reported --and the format in which it is shown (*note Setting Format::.), or have -+and the format in which it is shown (*note Setting Format::), or have - `time' save the information in a file instead of displaying it on the --screen (*note Redirecting::.). -+screen (*note Redirecting::). - - The resources that `time' can report on fall into the general - categories of time, memory, and I/O and IPC calls. Some systems do not - provide much information about program resource use; `time' reports --unavailable information as zero values (*note Accuracy::.). -+unavailable information as zero values (*note Accuracy::). - - The format of the `time' command is: - -@@ -132,6 +137,10 @@ - user %U - sys %S - -+`-q' -+`--quiet' -+ Suppress non-zero error code from the executed program. -+ - `-v' - `--verbose' - Use the built-in verbose format, which displays each available -@@ -174,7 +183,7 @@ - The resource specifiers, which are a superset of those recognized by - the `tcsh' builtin `time' command, are listed below. Not all resources - are measured by all versions of Unix, so some of the values might be --reported as zero (*note Accuracy::.). -+reported as zero (*note Accuracy::). - - * Menu: - -@@ -308,11 +317,11 @@ - `-o FILE' - `--output=FILE' - Write the resource use statistics to FILE. By default, this -- *overwrites* the file, destroying the file's previous contents. -+ _overwrites_ the file, destroying the file's previous contents. - - `-a' - `--append' -- *Append* the resource use information to the output file instead -+ _Append_ the resource use information to the output file instead - of overwriting it. This option is only useful with the `-o' or - `--output' option. - -@@ -437,7 +446,7 @@ - - `-a' - `--append' -- *Append* the resource use information to the output file instead -+ _Append_ the resource use information to the output file instead - of overwriting it. - - `-f FORMAT' -@@ -462,17 +471,17 @@ - - - Tag Table: --Node: Top934 --Node: Resource Measurement1725 --Node: Setting Format3678 --Node: Format String4907 --Node: Time Resources6214 --Node: Memory Resources6844 --Node: I/O Resources7549 --Node: Command Info8747 --Node: Redirecting8964 --Node: Examples9754 --Node: Accuracy12064 --Node: Invoking time13586 -+Node: Top1115 -+Node: Resource Measurement1908 -+Node: Setting Format3858 -+Node: Format String5164 -+Node: Time Resources6470 -+Node: Memory Resources7100 -+Node: I/O Resources7805 -+Node: Command Info9003 -+Node: Redirecting9220 -+Node: Examples10010 -+Node: Accuracy12320 -+Node: Invoking time13842 - - End Tag Table ---- time-1.7.orig/time.html -+++ time-1.7/time.html -@@ -0,0 +1,1021 @@ -+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" -+ "http://www.w3.org/TR/html40/loose.dtd"> -+<HTML> -+<!-- Created on September, 1 2003 by texi2html 1.66 --> -+<!-- -+Written by: Lionel Cons <Lionel.Cons@cern.ch> (original author) -+ Karl Berry <karl@freefriends.org> -+ Olaf Bachmann <obachman@mathematik.uni-kl.de> -+ and many others. -+Maintained by: Many creative people <dev@texi2html.cvshome.org> -+Send bugs and suggestions to <users@texi2html.cvshome.org> -+ -+--> -+<HEAD> -+<TITLE>Measuring Program Resource Use</TITLE> -+ -+<META NAME="description" CONTENT="Measuring Program Resource Use"> -+<META NAME="keywords" CONTENT="Measuring Program Resource Use"> -+<META NAME="resource-type" CONTENT="document"> -+<META NAME="distribution" CONTENT="global"> -+<META NAME="Generator" CONTENT="texi2html 1.66"> -+ -+</HEAD> -+ -+<BODY LANG="en" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#800080" ALINK="#FF0000"> -+ -+<A NAME="SEC_Top"></A> -+<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> -+<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top">Top</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Contents">Contents</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[Index]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_About"> ? </A>]</TD> -+</TR></TABLE> -+<H1>Measuring Program Resource Use</H1> -+ -+<P> -+ -+This file documents the the GNU <CODE>time</CODE> command for running programs -+and summarizing the system resources they use. -+This is edition 1.7, for version 1.7. -+</P> -+<P> -+ -+</P> -+<TABLE BORDER="0" CELLSPACING="0"> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC1">1. Measuring Program Resource Use</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Measuring program resource use.</TD></TR> -+<TR><TH COLSPAN="3" ALIGN="left" VALIGN="TOP"> -+</TH></TR> -+<TR><TH COLSPAN="3" ALIGN="left" VALIGN="TOP"> -- The Detailed Node Listing --- -+</TH></TR> -+<TR><TH COLSPAN="3" ALIGN="left" VALIGN="TOP"> -+</TH></TR> -+<TR><TH COLSPAN="3" ALIGN="left" VALIGN="TOP">Measuring Program Resource Use -+</TH></TR> -+<TR><TH COLSPAN="3" ALIGN="left" VALIGN="TOP"> -+</TH></TR> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC2">1.1 Setting the Output Format</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Selecting the information reported by <CODE>time</CODE>.</TD></TR> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC3">1.2 The Format String</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">The information <CODE>time</CODE> can report.</TD></TR> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC8">1.3 Redirecting Output</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Writing the information to a file.</TD></TR> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC9">1.4 Examples</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Examples of using <CODE>time</CODE>.</TD></TR> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC10">1.5 Accuracy</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Limitations on the accuracy of <CODE>time</CODE> output.</TD></TR> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC11">1.6 Running the <CODE>time</CODE> Command</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Summary of the options to the <CODE>time</CODE> command.</TD></TR> -+<TR><TH COLSPAN="3" ALIGN="left" VALIGN="TOP"> -+</TH></TR> -+<TR><TH COLSPAN="3" ALIGN="left" VALIGN="TOP">The Format String -+</TH></TR> -+<TR><TH COLSPAN="3" ALIGN="left" VALIGN="TOP"> -+</TH></TR> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC4">1.2.1 Time Resources</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP"></TD></TR> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC5">1.2.2 Memory Resources</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP"></TD></TR> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC6">1.2.3 I/O Resources</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP"></TD></TR> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC7">1.2.4 Command Info</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP"></TD></TR> -+</TABLE> -+<P> -+ -+<HR SIZE=1> -+<A NAME="SEC1"></A> -+<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> -+<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top"> < </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC2"> > </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[ << ]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top"> Up </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top">Top</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Contents">Contents</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[Index]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_About"> ? </A>]</TD> -+</TR></TABLE> -+<A NAME="Resource Measurement"></A> -+<H1> 1. Measuring Program Resource Use </H1> -+<!--docid::SEC1::--> -+<P> -+ -+The <CODE>time</CODE> command runs another program, then displays information -+about the resources used by that program, collected by the system while -+the program was running. You can select which information is reported -+and the format in which it is shown (see section <A HREF="time.html#SEC2">1.1 Setting the Output Format</A>), or have -+<CODE>time</CODE> save the information in a file instead of displaying it on the -+screen (see section <A HREF="time.html#SEC8">1.3 Redirecting Output</A>). -+</P> -+<P> -+ -+The resources that <CODE>time</CODE> can report on fall into the general -+categories of time, memory, and I/O and IPC calls. Some systems do not -+provide much information about program resource use; <CODE>time</CODE> -+reports unavailable information as zero values (see section <A HREF="time.html#SEC10">1.5 Accuracy</A>). -+</P> -+<P> -+ -+The format of the <CODE>time</CODE> command is: -+</P> -+<P> -+ -+<TABLE><tr><td> </td><td class=example><pre>time [option<small>...</small>] <VAR>command</VAR> [<VAR>arg</VAR><small>...</small>] -+</pre></td></tr></table><P> -+ -+<A NAME="IDX1"></A> -+<CODE>time</CODE> runs the program <VAR>command</VAR>, with any given arguments -+<VAR>arg</VAR><small>...</small>. When <VAR>command</VAR> finishes, <CODE>time</CODE> displays -+information about resources used by <VAR>command</VAR>. -+</P> -+<P> -+ -+Here is an example of using <CODE>time</CODE> to measure the time and other -+resources used by running the program <CODE>grep</CODE>: -+</P> -+<P> -+ -+<TABLE><tr><td> </td><td class=example><pre>eg$ time grep nobody /etc/aliases -+nobody:/dev/null -+etc-files:nobody -+misc-group:nobody -+0.07user 0.50system 0:06.69elapsed 8%CPU (0avgtext+489avgdata 324maxresident)k -+46inputs+7outputs (43major+251minor)pagefaults 0swaps -+</pre></td></tr></table><P> -+ -+Mail suggestions and bug reports for GNU <CODE>time</CODE> to -+<CODE>bug-gnu-utils@prep.ai.mit.edu</CODE>. Please include the version of -+<CODE>time</CODE>, which you can get by running `<SAMP>time --version</SAMP>', and the -+operating system and C compiler you used. -+</P> -+<P> -+ -+<TABLE BORDER="0" CELLSPACING="0"> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC2">1.1 Setting the Output Format</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Selecting the information reported by <CODE>time</CODE>.</TD></TR> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC3">1.2 The Format String</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">The information <CODE>time</CODE> can report.</TD></TR> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC8">1.3 Redirecting Output</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Writing the information to a file.</TD></TR> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC9">1.4 Examples</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Examples of using <CODE>time</CODE>.</TD></TR> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC10">1.5 Accuracy</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Limitations on the accuracy of <CODE>time</CODE> output.</TD></TR> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC11">1.6 Running the <CODE>time</CODE> Command</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Summary of the options to the <CODE>time</CODE> command.</TD></TR> -+</TABLE> -+<P> -+ -+<A NAME="Setting Format"></A> -+<HR SIZE="6"> -+<A NAME="SEC2"></A> -+<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> -+<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC1"> < </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC3"> > </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC1"> << </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top"> Up </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top">Top</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Contents">Contents</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[Index]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_About"> ? </A>]</TD> -+</TR></TABLE> -+<H2> 1.1 Setting the Output Format </H2> -+<!--docid::SEC2::--> -+<P> -+ -+<CODE>time</CODE> uses a <EM>format string</EM> to determine which information to -+display about the resources used by the command it runs. See section <A HREF="time.html#SEC3">1.2 The Format String</A>, for the interpretation of the format string contents. -+</P> -+<P> -+ -+You can specify a format string with the command line options listed -+below. If no format is specified on the command line, but the -+<CODE>TIME</CODE> environment variable is set, its value is used as the format -+string. Otherwise, the default format built into <CODE>time</CODE> is used: -+</P> -+<P> -+ -+<TABLE><tr><td> </td><td class=example><pre>%Uuser %Ssystem %Eelapsed %PCPU (%Xtext+%Ddata %Mmax)k -+%Iinputs+%Ooutputs (%Fmajor+%Rminor)pagefaults %Wswaps -+</pre></td></tr></table><P> -+ -+The command line options to set the format are: -+</P> -+<P> -+ -+</P> -+<DL COMPACT> -+<DT><CODE>-f <VAR>format</VAR></CODE> -+<DD><DT><CODE>--format=<VAR>format</VAR></CODE> -+<DD>Use <VAR>format</VAR> as the format string. -+<P> -+ -+</P> -+<DT><CODE>-p</CODE> -+<DD><DT><CODE>--portability</CODE> -+<DD>Use the following format string, for conformance with POSIX standard -+1003.2: -+<P> -+ -+<TABLE><tr><td> </td><td class=example><pre>real %e -+user %U -+sys %S -+</pre></td></tr></table><P> -+ -+</P> -+<DT><CODE>-q</CODE> -+<DD><DT><CODE>--quiet</CODE> -+<DD>Suppress non-zero error code from the executed program. -+<P> -+ -+</P> -+<DT><CODE>-v</CODE> -+<DD><DT><CODE>--verbose</CODE> -+<DD><A NAME="IDX2"></A> -+Use the built-in verbose format, which displays each available piece of -+information on the program's resource use on its own line, with an -+English description of its meaning. -+</DL> -+<P> -+ -+<A NAME="Format String"></A> -+<HR SIZE="6"> -+<A NAME="SEC3"></A> -+<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> -+<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC2"> < </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC4"> > </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC1"> << </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top"> Up </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top">Top</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Contents">Contents</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[Index]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_About"> ? </A>]</TD> -+</TR></TABLE> -+<H2> 1.2 The Format String </H2> -+<!--docid::SEC3::--> -+<P> -+ -+<A NAME="IDX3"></A> -+<A NAME="IDX4"></A> -+The <EM>format string</EM> controls the contents of the <CODE>time</CODE> output. -+It consists of <EM>resource specifiers</EM> and <EM>escapes</EM>, interspersed -+with plain text. -+</P> -+<P> -+ -+A backslash introduces an <EM>escape</EM>, which is translated -+into a single printing character upon output. The valid escapes are -+listed below. An invalid escape is output as a question mark followed -+by a backslash. -+</P> -+<P> -+ -+</P> -+<DL COMPACT> -+<DT><CODE>\t</CODE> -+<DD>a tab character -+<P> -+ -+</P> -+<DT><CODE>\n</CODE> -+<DD>a newline -+<P> -+ -+</P> -+<DT><CODE>\\</CODE> -+<DD>a literal backslash -+</DL> -+<P> -+ -+<CODE>time</CODE> always prints a newline after printing the resource use -+information, so normally format strings do not end with a newline -+character (or `<SAMP>\n</SAMP>'). -+</P> -+<P> -+ -+A resource specifier consists of a percent sign followed by another -+character. An invalid resource specifier is output as a question mark -+followed by the invalid character. Use `<SAMP>%%</SAMP>' to output a literal -+percent sign. -+</P> -+<P> -+ -+The resource specifiers, which are a superset of those recognized by the -+<CODE>tcsh</CODE> builtin <CODE>time</CODE> command, are listed below. Not all -+resources are measured by all versions of Unix, so some of the values -+might be reported as zero (see section <A HREF="time.html#SEC10">1.5 Accuracy</A>). -+</P> -+<P> -+ -+<TABLE BORDER="0" CELLSPACING="0"> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC4">1.2.1 Time Resources</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP"></TD></TR> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC5">1.2.2 Memory Resources</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP"></TD></TR> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC6">1.2.3 I/O Resources</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP"></TD></TR> -+<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="time.html#SEC7">1.2.4 Command Info</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP"></TD></TR> -+</TABLE> -+<P> -+ -+<A NAME="Time Resources"></A> -+<HR SIZE="6"> -+<A NAME="SEC4"></A> -+<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> -+<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC3"> < </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC5"> > </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC1"> << </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top"> Up </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top">Top</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Contents">Contents</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[Index]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_About"> ? </A>]</TD> -+</TR></TABLE> -+<H3> 1.2.1 Time Resources </H3> -+<!--docid::SEC4::--> -+<P> -+ -+</P> -+<DL COMPACT> -+<DT><CODE>E</CODE> -+<DD>Elapsed real (wall clock) time used by the process, in -+[hours:]minutes:seconds. -+<P> -+ -+</P> -+<DT><CODE>e</CODE> -+<DD>Elapsed real (wall clock) time used by the process, in -+seconds. -+<P> -+ -+</P> -+<DT><CODE>S</CODE> -+<DD>Total number of CPU-seconds used by the system on behalf of the process -+(in kernel mode), in seconds. -+<P> -+ -+</P> -+<DT><CODE>U</CODE> -+<DD>Total number of CPU-seconds that the process used directly (in user -+mode), in seconds. -+<P> -+ -+</P> -+<DT><CODE>P</CODE> -+<DD>Percentage of the CPU that this job got. This is just user + system -+times divied by the total running time. -+</DL> -+<P> -+ -+<A NAME="Memory Resources"></A> -+<HR SIZE="6"> -+<A NAME="SEC5"></A> -+<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> -+<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC4"> < </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC6"> > </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC1"> << </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top"> Up </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top">Top</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Contents">Contents</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[Index]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_About"> ? </A>]</TD> -+</TR></TABLE> -+<H3> 1.2.2 Memory Resources </H3> -+<!--docid::SEC5::--> -+<P> -+ -+</P> -+<DL COMPACT> -+<DT><CODE>M</CODE> -+<DD>Maximum resident set size of the process during its lifetime, in -+Kilobytes. -+<P> -+ -+</P> -+<DT><CODE>t</CODE> -+<DD>Average resident set size of the process, in Kilobytes. -+<P> -+ -+</P> -+<DT><CODE>K</CODE> -+<DD>Average total (data+stack+text) memory use of the process, in Kilobytes. -+<P> -+ -+</P> -+<DT><CODE>D</CODE> -+<DD>Average size of the process's unshared data area, in Kilobytes. -+<P> -+ -+</P> -+<DT><CODE>p</CODE> -+<DD>Average size of the process's unshared stack, in Kilobytes. -+<P> -+ -+</P> -+<DT><CODE>X</CODE> -+<DD>Average size of the process's shared text, in Kilobytes. -+<P> -+ -+</P> -+<DT><CODE>Z</CODE> -+<DD>System's page size, in bytes. This is a per-system constant, but -+varies between systems. -+</DL> -+<P> -+ -+<A NAME="I/O Resources"></A> -+<HR SIZE="6"> -+<A NAME="SEC6"></A> -+<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> -+<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC5"> < </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC7"> > </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC1"> << </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top"> Up </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top">Top</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Contents">Contents</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[Index]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_About"> ? </A>]</TD> -+</TR></TABLE> -+<H3> 1.2.3 I/O Resources </H3> -+<!--docid::SEC6::--> -+<P> -+ -+</P> -+<DL COMPACT> -+<DT><CODE>F</CODE> -+<DD>Number of major, or I/O-requiring, page faults that occurred while the -+process was running. These are faults where the page has actually -+migrated out of primary memory. -+<P> -+ -+</P> -+<DT><CODE>R</CODE> -+<DD>Number of minor, or recoverable, page faults. These are pages that are -+not valid (so they fault) but which have not yet been claimed by other -+virtual pages. Thus the data in the page is still valid but the system -+tables must be updated. -+<P> -+ -+</P> -+<DT><CODE>W</CODE> -+<DD>Number of times the process was swapped out of main memory. -+<P> -+ -+</P> -+<DT><CODE>c</CODE> -+<DD>Number of times the process was context-switched involuntarily (because -+the time slice expired). -+<P> -+ -+</P> -+<DT><CODE>w</CODE> -+<DD>Number of times that the program was context-switched voluntarily, for -+instance while waiting for an I/O operation to complete. -+<P> -+ -+</P> -+<DT><CODE>I</CODE> -+<DD>Number of file system inputs by the process. -+<P> -+ -+</P> -+<DT><CODE>O</CODE> -+<DD>Number of file system outputs by the process. -+<P> -+ -+</P> -+<DT><CODE>r</CODE> -+<DD>Number of socket messages received by the process. -+<P> -+ -+</P> -+<DT><CODE>s</CODE> -+<DD>Number of socket messages sent by the process. -+<P> -+ -+</P> -+<DT><CODE>k</CODE> -+<DD>Number of signals delivered to the process. -+</DL> -+<P> -+ -+<A NAME="Command Info"></A> -+<HR SIZE="6"> -+<A NAME="SEC7"></A> -+<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> -+<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC6"> < </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC8"> > </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC1"> << </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top"> Up </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top">Top</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Contents">Contents</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[Index]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_About"> ? </A>]</TD> -+</TR></TABLE> -+<H3> 1.2.4 Command Info </H3> -+<!--docid::SEC7::--> -+<P> -+ -+</P> -+<DL COMPACT> -+<DT><CODE>C</CODE> -+<DD>Name and command line arguments of the command being timed. -+<P> -+ -+</P> -+<DT><CODE>x</CODE> -+<DD>Exit status of the command. -+</DL> -+<P> -+ -+<A NAME="Redirecting"></A> -+<HR SIZE="6"> -+<A NAME="SEC8"></A> -+<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> -+<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC7"> < </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC9"> > </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC1"> << </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top"> Up </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top">Top</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Contents">Contents</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[Index]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_About"> ? </A>]</TD> -+</TR></TABLE> -+<H2> 1.3 Redirecting Output </H2> -+<!--docid::SEC8::--> -+<P> -+ -+By default, <CODE>time</CODE> writes the resource use statistics to the -+standard error stream. The options below make it write the statistics -+to a file instead. Doing this can be useful if the program you're -+running writes to the standard error or you're running <CODE>time</CODE> -+noninteractively or in the background. -+</P> -+<P> -+ -+</P> -+<DL COMPACT> -+<DT><CODE>-o <VAR>file</VAR></CODE> -+<DD><DT><CODE>--output=<VAR>file</VAR></CODE> -+<DD>Write the resource use statistics to <VAR>file</VAR>. By default, this -+<EM>overwrites</EM> the file, destroying the file's previous contents. -+<P> -+ -+</P> -+<DT><CODE>-a</CODE> -+<DD><DT><CODE>--append</CODE> -+<DD><EM>Append</EM> the resource use information to the output file instead -+of overwriting it. This option is only useful with the `<SAMP>-o</SAMP>' or -+`<SAMP>--output</SAMP>' option. -+</DL> -+<P> -+ -+<A NAME="Examples"></A> -+<HR SIZE="6"> -+<A NAME="SEC9"></A> -+<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> -+<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC8"> < </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC10"> > </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC1"> << </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top"> Up </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top">Top</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Contents">Contents</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[Index]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_About"> ? </A>]</TD> -+</TR></TABLE> -+<H2> 1.4 Examples </H2> -+<!--docid::SEC9::--> -+<P> -+ -+Run the command `<SAMP>wc /etc/hosts</SAMP>' and show the default information: -+</P> -+<P> -+ -+<TABLE><tr><td> </td><td class=example><pre>eg$ time wc /etc/hosts -+ 35 111 1134 /etc/hosts -+0.00user 0.01system 0:00.04elapsed 25%CPU (0avgtext+0avgdata 0maxresident)k -+1inputs+1outputs (0major+0minor)pagefaults 0swaps -+</pre></td></tr></table><P> -+ -+Run the command `<SAMP>ls -Fs</SAMP>' and show just the user, system, and -+wall-clock time: -+</P> -+<P> -+ -+<TABLE><tr><td> </td><td class=example><pre>eg$ time -f "\t%E real,\t%U user,\t%S sys" ls -Fs -+total 16 -+1 account/ 1 db/ 1 mail/ 1 run/ -+1 backups/ 1 emacs/ 1 msgs/ 1 rwho/ -+1 crash/ 1 games/ 1 preserve/ 1 spool/ -+1 cron/ 1 log/ 1 quotas/ 1 tmp/ -+ 0:00.03 real, 0.00 user, 0.01 sys -+</pre></td></tr></table><P> -+ -+Edit the file `<TT>.bashrc</TT>' and have <CODE>time</CODE> append the elapsed time -+and number of signals to the file `<TT>log</TT>', reading the format string -+from the environment variable <CODE>TIME</CODE>: -+</P> -+<P> -+ -+<TABLE><tr><td> </td><td class=example><pre>eg$ export TIME="\t%E,\t%k" # If using bash or ksh -+eg$ setenv TIME "\t%E,\t%k" # If using csh or tcsh -+eg$ time -a -o log emacs .bashrc -+eg$ cat log -+ 0:16.55, 726 -+</pre></td></tr></table><P> -+ -+Run the command `<SAMP>sleep 4</SAMP>' and show all of the information about it -+verbosely: -+</P> -+<P> -+ -+<TABLE><tr><td> </td><td class=example><pre>eg$ time -v sleep 4 -+ Command being timed: "sleep 4" -+ User time (seconds): 0.00 -+ System time (seconds): 0.05 -+ Percent of CPU this job got: 1% -+ Elapsed (wall clock) time (h:mm:ss or m:ss): 0:04.26 -+ Average shared text size (kbytes): 36 -+ Average unshared data size (kbytes): 24 -+ Average stack size (kbytes): 0 -+ Average total size (kbytes): 60 -+ Maximum resident set size (kbytes): 32 -+ Average resident set size (kbytes): 24 -+ Major (requiring I/O) page faults: 3 -+ Minor (reclaiming a frame) page faults: 0 -+ Voluntary context switches: 11 -+ Involuntary context switches: 0 -+ Swaps: 0 -+ File system inputs: 3 -+ File system outputs: 1 -+ Socket messages sent: 0 -+ Socket messages received: 0 -+ Signals delivered: 1 -+ Page size (bytes): 4096 -+ Exit status: 0 -+</pre></td></tr></table><P> -+ -+<A NAME="Accuracy"></A> -+<HR SIZE="6"> -+<A NAME="SEC10"></A> -+<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> -+<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC9"> < </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC11"> > </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC1"> << </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top"> Up </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top">Top</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Contents">Contents</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[Index]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_About"> ? </A>]</TD> -+</TR></TABLE> -+<H2> 1.5 Accuracy </H2> -+<!--docid::SEC10::--> -+<P> -+ -+The elapsed time is not collected atomically with the execution of the -+program; as a result, in bizarre circumstances (if the <CODE>time</CODE> -+command gets stopped or swapped out in between when the program being -+timed exits and when <CODE>time</CODE> calculates how long it took to run), it -+could be much larger than the actual execution time. -+</P> -+<P> -+ -+When the running time of a command is very nearly zero, some values -+(e.g., the percentage of CPU used) may be reported as either zero (which -+is wrong) or a question mark. -+</P> -+<P> -+ -+Most information shown by <CODE>time</CODE> is derived from the <CODE>wait3</CODE> -+system call. The numbers are only as good as those returned by -+<CODE>wait3</CODE>. Many systems do not measure all of the resources that -+<CODE>time</CODE> can report on; those resources are reported as zero. The -+systems that measure most or all of the resources are based on 4.2 or -+4.3BSD. Later BSD releases use different memory management code that -+measures fewer resources. -+</P> -+<P> -+ -+On systems that do not have a <CODE>wait3</CODE> call that returns status -+information, the <CODE>times</CODE> system call is used instead. It provides -+much less information than <CODE>wait3</CODE>, so on those systems <CODE>time</CODE> -+reports most of the resources as zero. -+</P> -+<P> -+ -+The `<SAMP>%I</SAMP>' and `<SAMP>%O</SAMP>' values are allegedly only "real" input -+and output and do not include those supplied by caching devices. The -+meaning of "real" I/O reported by `<SAMP>%I</SAMP>' and `<SAMP>%O</SAMP>' may be -+muddled for workstations, especially diskless ones. -+</P> -+<P> -+ -+<A NAME="Invoking time"></A> -+<HR SIZE="6"> -+<A NAME="SEC11"></A> -+<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> -+<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC10"> < </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[ > ]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC1"> << </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top"> Up </A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top">Top</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Contents">Contents</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[Index]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_About"> ? </A>]</TD> -+</TR></TABLE> -+<H2> 1.6 Running the <CODE>time</CODE> Command </H2> -+<!--docid::SEC11::--> -+<P> -+ -+The format of the <CODE>time</CODE> command is: -+</P> -+<P> -+ -+<TABLE><tr><td> </td><td class=example><pre>time [option<small>...</small>] <VAR>command</VAR> [<VAR>arg</VAR><small>...</small>] -+</pre></td></tr></table><P> -+ -+<A NAME="IDX5"></A> -+<CODE>time</CODE> runs the program <VAR>command</VAR>, with any given arguments -+<VAR>arg</VAR><small>...</small>. When <VAR>command</VAR> finishes, <CODE>time</CODE> displays -+information about resources used by <VAR>command</VAR> (on the standard error -+output, by default). If <VAR>command</VAR> exits with non-zero status or is -+terminated by a signal, <CODE>time</CODE> displays a warning message and the -+exit status or signal number. -+</P> -+<P> -+ -+Options to <CODE>time</CODE> must appear on the command line before -+<VAR>command</VAR>. Anything on the command line after <VAR>command</VAR> is -+passed as arguments to <VAR>command</VAR>. -+</P> -+<P> -+ -+</P> -+<DL COMPACT> -+<DT><CODE>-o <VAR>file</VAR></CODE> -+<DD><DT><CODE>--output=<VAR>file</VAR></CODE> -+<DD>Write the resource use statistics to <VAR>file</VAR>. -+<P> -+ -+</P> -+<DT><CODE>-a</CODE> -+<DD><DT><CODE>--append</CODE> -+<DD><EM>Append</EM> the resource use information to the output file instead -+of overwriting it. -+<P> -+ -+</P> -+<DT><CODE>-f <VAR>format</VAR></CODE> -+<DD><DT><CODE>--format=<VAR>format</VAR></CODE> -+<DD>Use <VAR>format</VAR> as the format string. -+<P> -+ -+</P> -+<DT><CODE>--help</CODE> -+<DD>Print a summary of the command line options to <CODE>time</CODE> and exit. -+<P> -+ -+</P> -+<DT><CODE>-p</CODE> -+<DD><DT><CODE>--portability</CODE> -+<DD>Use the POSIX format. -+<P> -+ -+</P> -+<DT><CODE>-v</CODE> -+<DD><DT><CODE>--verbose</CODE> -+<DD><A NAME="IDX6"></A> -+Use the built-in verbose format. -+<P> -+ -+</P> -+<DT><CODE>-V</CODE> -+<DD><DT><CODE>--version</CODE> -+<DD><A NAME="IDX7"></A> -+Print the version number of <CODE>time</CODE> and exit. -+</DL> -+<P> -+ -+<HR SIZE="6"> -+<A NAME="SEC_Contents"></A> -+<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> -+<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top">Top</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Contents">Contents</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[Index]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_About"> ? </A>]</TD> -+</TR></TABLE> -+<H1>Table of Contents</H1> -+<BLOCKQUOTE> -+<A NAME="TOC1" HREF="time.html#SEC1">1. Measuring Program Resource Use</A> -+<BR> -+<BLOCKQUOTE> -+<A NAME="TOC2" HREF="time.html#SEC2">1.1 Setting the Output Format</A> -+<BR> -+<A NAME="TOC3" HREF="time.html#SEC3">1.2 The Format String</A> -+<BR> -+<BLOCKQUOTE> -+<A NAME="TOC4" HREF="time.html#SEC4">1.2.1 Time Resources</A> -+<BR> -+<A NAME="TOC5" HREF="time.html#SEC5">1.2.2 Memory Resources</A> -+<BR> -+<A NAME="TOC6" HREF="time.html#SEC6">1.2.3 I/O Resources</A> -+<BR> -+<A NAME="TOC7" HREF="time.html#SEC7">1.2.4 Command Info</A> -+<BR> -+</BLOCKQUOTE> -+<A NAME="TOC8" HREF="time.html#SEC8">1.3 Redirecting Output</A> -+<BR> -+<A NAME="TOC9" HREF="time.html#SEC9">1.4 Examples</A> -+<BR> -+<A NAME="TOC10" HREF="time.html#SEC10">1.5 Accuracy</A> -+<BR> -+<A NAME="TOC11" HREF="time.html#SEC11">1.6 Running the <CODE>time</CODE> Command</A> -+<BR> -+</BLOCKQUOTE> -+</BLOCKQUOTE> -+<HR SIZE=1> -+<A NAME="SEC_OVERVIEW"></A> -+<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> -+<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top">Top</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Contents">Contents</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[Index]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_About"> ? </A>]</TD> -+</TR></TABLE> -+<H1>Short Table of Contents</H1> -+<BLOCKQUOTE> -+<A NAME="TOC1" HREF="time.html#SEC1">1. Measuring Program Resource Use</A> -+<BR> -+ -+</BLOCKQUOTE> -+<HR SIZE=1> -+<A NAME="SEC_About"></A> -+<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> -+<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Top">Top</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_Contents">Contents</A>]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[Index]</TD> -+<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="time.html#SEC_About"> ? </A>]</TD> -+</TR></TABLE> -+<H1>About this document</H1> -+This document was generated -+by -+using <A HREF="http://texi2html.cvshome.org"><I>texi2html</I></A> -+<P></P> -+The buttons in the navigation panels have the following meaning: -+<P></P> -+<table border = "1"> -+<TR> -+<TH> Button </TH> -+<TH> Name </TH> -+<TH> Go to </TH> -+<TH> From 1.2.3 go to</TH> -+</TR> -+<TR> -+<TD ALIGN="CENTER"> -+ [ < ] </TD> -+<TD ALIGN="CENTER"> -+Back -+</TD> -+<TD> -+previous section in reading order -+</TD> -+<TD> -+1.2.2 -+</TD> -+</TR> -+<TR> -+<TD ALIGN="CENTER"> -+ [ > ] </TD> -+<TD ALIGN="CENTER"> -+Forward -+</TD> -+<TD> -+next section in reading order -+</TD> -+<TD> -+1.2.4 -+</TD> -+</TR> -+<TR> -+<TD ALIGN="CENTER"> -+ [ << ] </TD> -+<TD ALIGN="CENTER"> -+FastBack -+</TD> -+<TD> -+beginning of this chapter or previous chapter -+</TD> -+<TD> -+1 -+</TD> -+</TR> -+<TR> -+<TD ALIGN="CENTER"> -+ [ Up ] </TD> -+<TD ALIGN="CENTER"> -+Up -+</TD> -+<TD> -+up section -+</TD> -+<TD> -+1.2 -+</TD> -+</TR> -+<TR> -+<TD ALIGN="CENTER"> -+ [ >> ] </TD> -+<TD ALIGN="CENTER"> -+FastForward -+</TD> -+<TD> -+next chapter -+</TD> -+<TD> -+2 -+</TD> -+</TR> -+<TR> -+<TD ALIGN="CENTER"> -+ [Top] </TD> -+<TD ALIGN="CENTER"> -+Top -+</TD> -+<TD> -+cover (top) of document -+</TD> -+<TD> -+ -+</TD> -+</TR> -+<TR> -+<TD ALIGN="CENTER"> -+ [Contents] </TD> -+<TD ALIGN="CENTER"> -+Contents -+</TD> -+<TD> -+table of contents -+</TD> -+<TD> -+ -+</TD> -+</TR> -+<TR> -+<TD ALIGN="CENTER"> -+ [Index] </TD> -+<TD ALIGN="CENTER"> -+Index -+</TD> -+<TD> -+concept index -+</TD> -+<TD> -+ -+</TD> -+</TR> -+<TR> -+<TD ALIGN="CENTER"> -+ [ ? ] </TD> -+<TD ALIGN="CENTER"> -+About -+</TD> -+<TD> -+this page -+</TD> -+<TD> -+ -+</TD> -+</TR> -+</TABLE> -+ <P> -+ where the <STRONG> Example </STRONG> assumes that the current position -+ is at <STRONG> Subsubsection One-Two-Three </STRONG> of a document of -+ the following structure:</P> -+ <UL> -+ <LI> 1. Section One -+ <UL> -+ <LI>1.1 Subsection One-One -+ <UL> -+ <LI>...</LI> -+ </UL> -+ <LI>1.2 Subsection One-Two -+ <UL> -+ <LI>1.2.1 Subsubsection One-Two-One</LI> -+ <LI>1.2.2 Subsubsection One-Two-Two</LI> -+ <LI>1.2.3 Subsubsection One-Two-Three -+ <STRONG><== Current Position </STRONG></LI> -+ <LI>1.2.4 Subsubsection One-Two-Four</LI> -+ </UL> -+ </LI> -+ <LI>1.3 Subsection One-Three -+ <UL> -+ <LI>...</LI> -+ </UL> -+ </LI> -+ <LI>1.4 Subsection One-Four</LI> -+ </UL> -+ </LI> -+ </UL> -+ -+<HR SIZE=1> -+<BR> -+<FONT SIZE="-1"> -+This document was generated -+by <I>root</I> on <I>September, 1 2003</I> -+using <A HREF="http://texi2html.cvshome.org"><I>texi2html</I></A> -+</FONT> -+ -+</BODY> -+</HTML> |