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Update of instant load calc on more platforms. Needs more tought, though.
This commit is contained in:
Ole Tange
parent
70d6afbbb9
commit
87f65b76fe
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@ -226,34 +226,17 @@ cc:Tim Cuthbertson <tim3d.junk@gmail.com>,
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Ryoichiro Suzuki <ryoichiro.suzuki@gmail.com>,
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Jesse Alama <jesse.alama@gmail.com>
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Subject: GNU Parallel 20141122 ('Rosetta') released
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Subject: GNU Parallel 20141222 ('') released
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GNU Parallel 20141122 ('Rosetta') has been released. It is available for download at: http://ftp.gnu.org/gnu/parallel/
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GNU Parallel 20141222 ('') has been released. It is available for download at: http://ftp.gnu.org/gnu/parallel/
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Haiku of the month:
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Hadoop bit too much?
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Want a simpler syntax now?
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Use GNU Parallel.
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-- Ole Tange
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A central piece of command generation was rewritten making this release beta quality. As always it passes the testsuite, so most functionality clearly works.
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<<>>
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New in this release:
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* Remote systems can be divided into hostgroups (e.g. web and db) by prepending '@groupname/' to the sshlogin. Multiple groups can be given by separating groups with '+'. E.g. @web/www1 @web+db/www2 @db/mariadb
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* Remote execution can be restricted to servers that are part of one or more groups by '@groupname' as an sshlogin. Multiple groups can be given by separating groups with '+'. E.g. -S @web or -S @db+web
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* With --hostgroup you can restrict arguments to certain hostgroups by appending '@groupname' to the argument. Multiple groups can be given by separating groups with '+'. E.g. my_web_arg@web db-or-web-arg@db+web db-only-arg@db Thanks to Michel Courtine for developing a prototype for this.
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* GNU Parallel was cited in: HTSeq-Hadoop: Extending HTSeq for Massively Parallel Sequencing Data Analysis using Hadoop http://essenceofescience.se/wp-content/uploads/2014/11/Siretskiy.pdf
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* GNU Parallel was cited in: SlideToolkit: An Assistive Toolset for the Histological Quantification of Whole Slide Images http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0110289#close
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* GNU Parallel was cited in: Exploring a multiprocessor design space to analyze the impact of using STT-RAM in the memory hierarchy http://conservancy.umn.edu/bitstream/handle/11299/167286/Borse_umn_0130M_15431.pdf
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* Command-Line OCR with Tesseract on Mac OS X https://ryanfb.github.io/etc/2014/11/13/command_line_ocr_on_mac_os_x.html
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* GNU Parallel was cited in: Parallel post-processing with MPI-Bash http://dl.acm.org/citation.cfm?id=2691137
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* Bug fixes and man page updates.
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101
src/parallel
101
src/parallel
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@ -194,7 +194,6 @@ sub pipe_part_files {
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# Remote exec should look like:
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# ssh -oLogLevel=quiet lo 'eval `echo $SHELL | grep "/t\{0,1\}csh" > /dev/null && echo setenv PARALLEL_SEQ '$PARALLEL_SEQ'\; setenv PARALLEL_PID '$PARALLEL_PID' || echo PARALLEL_SEQ='$PARALLEL_SEQ'\;export PARALLEL_SEQ\; PARALLEL_PID='$PARALLEL_PID'\;export PARALLEL_PID` ;' tty\ \>/dev/null\ \&\&\ stty\ isig\ -onlcr\ -echo\;echo\ \$SHELL\ \|\ grep\ \"/t\\\{0,1\\\}csh\"\ \>\ /dev/null\ \&\&\ setenv\ FOO\ /tmp/foo\ \|\|\ export\ FOO=/tmp/foo\; \(wc\ -\ \$FOO\)
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# ssh -tt not allowed. Remote will die due to broken pipe anyway.
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# TODO test remote with --fifo / --cat
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return @cat_partials;
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}
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@ -3134,15 +3133,15 @@ sub which {
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(
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'aix' => $sysv,
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'cygwin' => $sysv,
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'msys' => $sysv,
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'dec_osf' => $sysv,
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'darwin' => $bsd,
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'dec_osf' => $sysv,
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'dragonfly' => $bsd,
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'freebsd' => $bsd,
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'gnu' => $sysv,
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'hpux' => $sysv,
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'linux' => $sysv,
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'mirbsd' => $bsd,
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'msys' => $sysv,
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'netbsd' => $bsd,
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'nto' => $sysv,
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'openbsd' => $bsd,
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@ -3724,6 +3723,66 @@ sub loadavg_too_high {
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$loadavg > $self->max_loadavg());
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}
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{
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my $cmd;
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sub loadavg_cmd {
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if(not $cmd) {
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# aix => "ps -ae -o state,command" # state wrong
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# bsd => "ps ax -o state,command"
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# sysv => "ps -ef -o s -o comm"
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# dec_osf => bsd
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# dragonfly => bsd
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# freebsd => bsd
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# gnu => bsd
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# hpux => ps -el|awk '{print $2,$14,$15}'
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# irix => ps -ef -o state -o comm
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# linux => bsd
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# minix => ps el|awk '{print \$1,\$11}'
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# mirbsd => bsd
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# netbsd => bsd
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# openbsd => bsd
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# solaris => sysv
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# svr5 => sysv
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# ultrix => ps -ax | awk '{print $3,$5}'
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# unixware => ps -el|awk '{print $2,$14,$15}'
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my $ps = q{
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$sysv="ps -ef -o s -o comm";
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$sysv2="ps -ef -o state -o comm";
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$bsd="ps ax -o state,command";
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$psel="ps -el|awk '{ print \$2,\$14,\$15 }'";
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$dummy="echo S COMMAND;echo R dummy";
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%ps=(
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'aix' => "uptime",
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'cygwin' => $sysv,
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'darwin' => $bsd,
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'dec_osf' => $sysv2,
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'dragonfly' => $bsd,
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'freebsd' => $bsd,
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'gnu' => $bsd,
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'hpux' => $psel,
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'irix' => 'ps -ef -o state -o comm',
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'linux' => $bsd,
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'minix' => "ps el|awk '{print \$1,\$11}'",
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'mirbsd' => $bsd,
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'msys' => $sysv,
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'netbsd' => $bsd,
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'nto' => $dummy,
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'openbsd' => $bsd,
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'solaris' => $sysv,
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'svr5' => $psel,
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'ultrix' => "ps -ax | awk '{print \$3,\$5}'",
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);
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print `$ps{$^O}`;
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};
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$ps =~ s/[ \t\n]+/ /g;
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$cmd = "perl -e ".::shell_quote_scalar($ps);
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$cmd =~ s/\^/\\^/g;
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}
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return $cmd;
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}
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}
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sub loadavg {
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# If the currently know loadavg is too old:
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# Recompute a new one in the background
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@ -3741,21 +3800,28 @@ sub loadavg {
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local $/ = undef;
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my $load_out = <$load_fh>;
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close $load_fh;
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my $load =()= ($load_out=~/(^[DR]....[^\[])/gm);
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my $load =()= ($load_out=~/(^\s?[DOR]\S* [^\[])/gm);
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if($load > 0) {
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# load is overestimated by 1
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$self->{'loadavg'} = $load - 1;
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::debug("load", "New loadavg: ", $self->{'loadavg'});
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} else {
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::die_bug("loadavg_invalid_content: $load_out");
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::debug("load", "New loadavg: ", $self->{'loadavg'},"\n");
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} elsif ($load_out=~/average: (\d+.\d+)/) {
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# Aix does not support instant load average
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# 04:11AM up 21 days, 12:55, 1 user, load average: 1.85, 1.57, 1.55
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$self->{'loadavg'} = $1;
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} else {
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::die_bug("loadavg_invalid_content: " .
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$self->{'loadavg_file'} . "\n$load_out");
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}
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::debug("load", "Last update: ", $self->{'last_loadavg_update'});
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if(time - $self->{'last_loadavg_update'} > 10) {
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# last loadavg was started 10 seconds ago
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::debug("load", time - $self->{'last_loadavg_update'}, " secs old: ",
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$self->{'loadavg_file'});
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# Because of instant load average, it should not be delayed 10 secs
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# The instant load does not give 2 R if there is only 1 cpu.
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# ::debug("load", "Last update: ", $self->{'last_loadavg_update'});
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# if(time - $self->{'last_loadavg_update'} > 10) {
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# # last loadavg was started 10 seconds ago
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# ::debug("load", time - $self->{'last_loadavg_update'}, " secs old: ",
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# $self->{'loadavg_file'});
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$update_loadavg_file = 1;
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}
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# }
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} else {
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::debug("load", "No loadavg file: ", $self->{'loadavg_file'});
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$self->{'loadavg'} = undef;
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@ -3768,12 +3834,15 @@ sub loadavg {
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-e $ENV{'HOME'}."/.parallel/tmp" or mkdir $ENV{'HOME'}."/.parallel/tmp";
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my $cmd = "";
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if($self->{'string'} ne ":") {
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$cmd = $self->sshcommand() . " " . $self->serverlogin() . " ";
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$cmd = $self->sshcommand() . " " . $self->serverlogin() . " " .
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::shell_quote_scalar(loadavg_cmd());
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} else {
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$cmd .= loadavg_cmd();
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}
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# TODO Is is called 'ps ax -o state,command' on other platforms?
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$cmd .= "ps ax -o state,command";
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# $cmd .= "ps ax -o state,command";
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# As the command can take long to run if run remote
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# save it to a tmp file before moving it to the correct file
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::debug("load", "Cmd: ", $cmd);
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my $file = $self->{'loadavg_file'};
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my ($dummy_fh, $tmpfile) = ::tmpfile(SUFFIX => ".loa");
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qx{ ($cmd > $tmpfile && mv $tmpfile $file || rm $tmpfile) & };
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