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niceload: ::opt_ -> opt::

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Ole Tange 2012-12-10 19:12:35 +01:00
parent 22a9ac5390
commit c6b955eb7d
2 changed files with 71 additions and 75 deletions
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134
src/niceload
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@ -27,44 +27,44 @@ $Global::progname="niceload";
$Global::version = 20121122; $Global::version = 20121122;
Getopt::Long::Configure("bundling","require_order"); Getopt::Long::Configure("bundling","require_order");
get_options_from_array(\@ARGV) || die_usage(); get_options_from_array(\@ARGV) || die_usage();
if($::opt_version) { if($opt::version) {
version(); version();
exit 0; exit 0;
} }
if($::opt_help) { if($opt::help) {
help(); help();
exit 0; exit 0;
} }
if($::opt_factor and $::opt_suspend) { if($opt::factor and $opt::suspend) {
# You cannot have --suspend and --factor # You cannot have --suspend and --factor
help(); help();
exit; exit;
} }
if(not (defined $::opt_start_io or defined $::opt_run_io if(not (defined $opt::start_io or defined $opt::run_io
or defined $::opt_start_load or defined $::opt_run_load or defined $opt::start_load or defined $opt::run_load
or defined $::opt_start_mem or defined $::opt_run_mem or defined $opt::start_mem or defined $opt::run_mem
or defined $::opt_start_noswap or defined $::opt_run_noswap or defined $opt::start_noswap or defined $opt::run_noswap
or defined $::opt_io or defined $::opt_load or defined $opt::io or defined $opt::load
or defined $::opt_mem or defined $::opt_noswap)) { or defined $opt::mem or defined $opt::noswap)) {
# Default is --runload=1 # Default is --runload=1
$::opt_run_load = 1; $opt::run_load = 1;
} }
if(not defined $::opt_start_io) { $::opt_start_io = $::opt_io; } if(not defined $opt::start_io) { $opt::start_io = $opt::io; }
if(not defined $::opt_run_io) { $::opt_run_io = $::opt_io; } if(not defined $opt::run_io) { $opt::run_io = $opt::io; }
if(not defined $::opt_start_load) { $::opt_start_load = $::opt_load; } if(not defined $opt::start_load) { $opt::start_load = $opt::load; }
if(not defined $::opt_run_load) { $::opt_run_load = $::opt_load; } if(not defined $opt::run_load) { $opt::run_load = $opt::load; }
if(not defined $::opt_start_mem) { $::opt_start_mem = $::opt_mem; } if(not defined $opt::start_mem) { $opt::start_mem = $opt::mem; }
if(not defined $::opt_run_mem) { $::opt_run_mem = $::opt_mem; } if(not defined $opt::run_mem) { $opt::run_mem = $opt::mem; }
if(not defined $::opt_start_noswap) { $::opt_start_noswap = $::opt_noswap; } if(not defined $opt::start_noswap) { $opt::start_noswap = $opt::noswap; }
if(not defined $::opt_run_noswap) { $::opt_run_noswap = $::opt_noswap; } if(not defined $opt::run_noswap) { $opt::run_noswap = $opt::noswap; }
if(defined $::opt_load) { multiply_binary_prefix($::opt_load); } if(defined $opt::load) { multiply_binary_prefix($opt::load); }
my $limit = Limit->new(); my $limit = Limit->new();
my $process = Process->new($::opt_nice,@ARGV); my $process = Process->new($opt::nice,@ARGV);
if($::opt_pid) { if($opt::pid) {
$process->set_pid($::opt_pid); $process->set_pid($opt::pid);
} elsif (@ARGV) { } elsif (@ARGV) {
# Wait until limit is below start_limit and run_limit # Wait until limit is below start_limit and run_limit
while($limit->over_start_limit() while($limit->over_start_limit()
@ -138,36 +138,36 @@ sub get_options_from_array {
@::ARGV = @{$array_ref}; @::ARGV = @{$array_ref};
} }
my @retval = GetOptions my @retval = GetOptions
("debug|D" => \$::opt_debug, ("debug|D" => \$opt::debug,
"factor|f=s" => \$::opt_factor, "factor|f=s" => \$opt::factor,
"hard|H" => \$::opt_hard, "hard|H" => \$opt::hard,
"soft|S" => \$::opt_soft, "soft|S" => \$opt::soft,
"sensor=s" => \$::opt_sensor, "sensor=s" => \$opt::sensor,
"si|sio|startio|start-io=s" => \$::opt_start_io, "si|sio|startio|start-io=s" => \$opt::start_io,
"ri|rio|runio|run-io=s" => \$::opt_run_io, "ri|rio|runio|run-io=s" => \$opt::run_io,
"io|I=s" => \$::opt_io, "io|I=s" => \$opt::io,
"sl|startload|start-load=s" => \$::opt_start_load, "sl|startload|start-load=s" => \$opt::start_load,
"rl|runload|run-load=s" => \$::opt_run_load, "rl|runload|run-load=s" => \$opt::run_load,
"load|L|l=s" => \$::opt_load, "load|L|l=s" => \$opt::load,
"sm|startmem|start-mem=s" => \$::opt_start_mem, "sm|startmem|start-mem=s" => \$opt::start_mem,
"rm|runmem|run-mem=s" => \$::opt_run_mem, "rm|runmem|run-mem=s" => \$opt::run_mem,
"mem|M=s" => \$::opt_mem, "mem|M=s" => \$opt::mem,
"sn|startnoswap|start-noswap|start-no-swap" => \$::opt_start_noswap, "sn|startnoswap|start-noswap|start-no-swap" => \$opt::start_noswap,
"rn|runnoswap|run-noswap|run-no-swap" => \$::opt_run_noswap, "rn|runnoswap|run-noswap|run-no-swap" => \$opt::run_noswap,
"noswap|N" => \$::opt_noswap, "noswap|N" => \$opt::noswap,
"nice|n=i" => \$::opt_nice, "nice|n=i" => \$opt::nice,
"process|pid|p=s" => \$::opt_pid, "process|pid|p=s" => \@opt::pid,
"suspend|s=s" => \$::opt_suspend, "suspend|s=s" => \$opt::suspend,
"recheck|t=s" => \$::opt_recheck, "recheck|t=s" => \$opt::recheck,
"quote|q" => \$::opt_quote, "quote|q" => \$opt::quote,
"help|h" => \$::opt_help, "help|h" => \$opt::help,
"verbose|v" => \$::opt_verbose, "verbose|v" => \$opt::verbose,
"version|V" => \$::opt_version, "version|V" => \$opt::version,
); );
if(not $this_is_ARGV) { if(not $this_is_ARGV) {
@{$array_ref} = @::ARGV; @{$array_ref} = @::ARGV;
@ -217,7 +217,7 @@ sub usleep {
sub debug { sub debug {
if($::opt_debug) { if($opt::debug) {
print STDERR @_; print STDERR @_;
} }
} }
@ -318,7 +318,7 @@ sub start {
setpgrp(0,0); setpgrp(0,0);
::debug("Child pid: $$, pgrp: ",getpgrp $$,"\n"); ::debug("Child pid: $$, pgrp: ",getpgrp $$,"\n");
::debug("@{$self->{'command'}}\n"); ::debug("@{$self->{'command'}}\n");
if($::opt_quote) { if($opt::quote) {
system(@{$self->{'command'}}); system(@{$self->{'command'}});
} else { } else {
system("@{$self->{'command'}}"); system("@{$self->{'command'}}");
@ -410,15 +410,15 @@ package Limit;
sub new { sub new {
my $class = shift; my $class = shift;
my %limits = @_; my %limits = @_;
my $hard = $::opt_soft ? 0 : $::opt_hard; my $hard = $opt::soft ? 0 : $opt::hard;
my $runio = $::opt_run_io ? ::multiply_binary_prefix($::opt_run_io) : 0; my $runio = $opt::run_io ? ::multiply_binary_prefix($opt::run_io) : 0;
my $startio = $::opt_start_io ? ::multiply_binary_prefix($::opt_start_io) : 0; my $startio = $opt::start_io ? ::multiply_binary_prefix($opt::start_io) : 0;
my $runload = $::opt_run_load ? ::multiply_binary_prefix($::opt_run_load) : 0; my $runload = $opt::run_load ? ::multiply_binary_prefix($opt::run_load) : 0;
my $startload = $::opt_start_load ? ::multiply_binary_prefix($::opt_start_load) : 0; my $startload = $opt::start_load ? ::multiply_binary_prefix($opt::start_load) : 0;
my $runmem = $::opt_run_mem ? ::multiply_binary_prefix($::opt_run_mem) : 0; my $runmem = $opt::run_mem ? ::multiply_binary_prefix($opt::run_mem) : 0;
my $startmem = $::opt_start_mem ? ::multiply_binary_prefix($::opt_start_mem) : 0; my $startmem = $opt::start_mem ? ::multiply_binary_prefix($opt::start_mem) : 0;
my $runnoswap = $::opt_run_noswap ? ::multiply_binary_prefix($::opt_run_noswap) : 0; my $runnoswap = $opt::run_noswap ? ::multiply_binary_prefix($opt::run_noswap) : 0;
my $startnoswap = $::opt_start_noswap ? ::multiply_binary_prefix($::opt_start_noswap) : 0; my $startnoswap = $opt::start_noswap ? ::multiply_binary_prefix($opt::start_noswap) : 0;
return bless { return bless {
'hard' => $hard, 'hard' => $hard,
@ -432,12 +432,12 @@ sub new {
'startmem' => $startmem, 'startmem' => $startmem,
'runnoswap' => $runnoswap, 'runnoswap' => $runnoswap,
'startnoswap' => $startnoswap, 'startnoswap' => $startnoswap,
'factor' => $::opt_factor || 1, 'factor' => $opt::factor || 1,
'recheck' => $::opt_recheck || 1, 'recheck' => $opt::recheck || 1,
'runtime' => $::opt_recheck || 1, 'runtime' => $opt::recheck || 1,
'over_run_limit' => 1, 'over_run_limit' => 1,
'over_start_limit' => 1, 'over_start_limit' => 1,
'verbose' => $::opt_verbose, 'verbose' => $opt::verbose,
}, ref($class) || $class; }, ref($class) || $class;
} }
@ -478,7 +478,7 @@ sub over_run_limit {
$status += ::max(0,$io - $self->{'runio'}); $status += ::max(0,$io - $self->{'runio'});
} }
$self->{'over_run_limit'} = $status; $self->{'over_run_limit'} = $status;
if(not $::opt_recheck) { if(not $opt::recheck) {
$self->{'recheck'} = $self->{'factor'} * $self->{'over_run_limit'}; $self->{'recheck'} = $self->{'factor'} * $self->{'over_run_limit'};
} }
::debug("over_run_limit: $status\n"); ::debug("over_run_limit: $status\n");
@ -522,7 +522,7 @@ sub over_start_limit {
$status += ::max(0,$io - $self->{'startio'}); $status += ::max(0,$io - $self->{'startio'});
} }
$self->{'over_start_limit'} = $status; $self->{'over_start_limit'} = $status;
if(not $::opt_recheck) { if(not $opt::recheck) {
$self->{'recheck'} = $self->{'factor'} * $self->{'over_start_limit'}; $self->{'recheck'} = $self->{'factor'} * $self->{'over_start_limit'};
} }
::debug("over_start_limit: $status\n"); ::debug("over_start_limit: $status\n");
@ -606,7 +606,7 @@ sub read_sensor {
my $fh = $self->{'sensor_fh'}; my $fh = $self->{'sensor_fh'};
if(not $fh) { if(not $fh) {
# Start the sensor # Start the sensor
open($fh, "-|", $::opt_sensor) || ::die_bug("Cannot open: $::opt_sensor"); open($fh, "-|", $opt::sensor) || ::die_bug("Cannot open: $opt::sensor");
$self->{'sensor_fh'} = $fh; $self->{'sensor_fh'} = $fh;
} }
# Read as much as we can (non_block) # Read as much as we can (non_block)
@ -622,7 +622,7 @@ sub read_sensor {
if($eof) { if($eof) {
# End of file => Restart the sensor # End of file => Restart the sensor
close $fh; close $fh;
open($fh, "-|", $::opt_sensor) || ::die_bug("Cannot open: $::opt_sensor"); open($fh, "-|", $opt::sensor) || ::die_bug("Cannot open: $opt::sensor");
$self->{'sensor_fh'} = $fh; $self->{'sensor_fh'} = $fh;
} }
@ -634,7 +634,7 @@ sub load_status {
# loadavg or sensor measurement # loadavg or sensor measurement
my $self = shift; my $self = shift;
if($::opt_sensor) { if($opt::sensor) {
if(not defined $self->{'load_status'} or if(not defined $self->{'load_status'} or
$self->{'load_status_cache_time'} + $self->{'recheck'} < time) { $self->{'load_status_cache_time'} + $self->{'recheck'} < time) {
$self->{'load_status'} = $self->read_sensor(); $self->{'load_status'} = $self->read_sensor();

12
src/parallel.pod
View file

@ -1837,6 +1837,10 @@ can be written like this:
B<cat list | parallel do_something | process_output> B<cat list | parallel do_something | process_output>
For example: Find which host name in a list has IP address 1.2.3 4:
B<cat hosts.txt | parallel -P 100 host | grep 1.2.3.4>
If the processing requires more steps the for-loop like this: If the processing requires more steps the for-loop like this:
(for x in `cat list` ; do (for x in `cat list` ; do
@ -2042,14 +2046,6 @@ B<find . -type f | parallel -k -j150% -n 1000 -m grep -H -n STRING {}>
This will run 1.5 job per core, and give 1000 arguments to B<grep>. This will run 1.5 job per core, and give 1000 arguments to B<grep>.
To grep a big file in parallel use B<--pipe>:
B<cat bigfile | parallel --pipe grep foo>
Depending on your disks and CPUs it may be faster to read larger blocks:
B<cat bigfile | parallel --pipe --block 10M grep foo>
=head1 EXAMPLE: Using remote computers =head1 EXAMPLE: Using remote computers