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https://git.savannah.gnu.org/git/parallel.git
synced 2024-12-22 20:57:53 +00:00
parallel: --timeout 200% implemented. Test missing.
This commit is contained in:
Ole Tange
parent
780f50c654
commit
eac8d05e3a
133
src/parallel
133
src/parallel
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@ -538,7 +538,7 @@ sub options_hash {
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"use-cpus-instead-of-cores" => \$opt::use_cpus_instead_of_cores,
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"shellquote|shell_quote|shell-quote" => \$opt::shellquote,
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"nice=i" => \$opt::nice,
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"timeout=i" => \$opt::timeout,
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"timeout=s" => \$opt::timeout,
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"tag" => \$opt::tag,
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"tagstring=s" => \$opt::tagstring,
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"onall" => \$opt::onall,
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@ -646,7 +646,7 @@ sub get_options_from_array {
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sub parse_options {
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# Returns: N/A
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# Defaults:
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$Global::version = 20130422;
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$Global::version = 20130429;
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$Global::progname = 'parallel';
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$Global::infinity = 2**31;
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$Global::debug = 0;
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@ -744,6 +744,9 @@ sub parse_options {
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if(defined $opt::fg) { $Global::semaphore = 1; }
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if(defined $opt::bg) { $Global::semaphore = 1; }
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if(defined $opt::wait) { $Global::semaphore = 1; }
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if(defined $opt::timeout and $opt::timeout !~ /^\d+%?$/) {
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::error("--timeout must be seconds or percentage\n");
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}
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if(defined $opt::minversion) {
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print $Global::version,"\n";
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if($Global::version < $opt::minversion) {
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@ -1328,7 +1331,7 @@ sub start_more_jobs {
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}
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debug("Job started on ".$sshlogin->string()."\n");
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$sshlogin->inc_jobs_running();
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$sshlogin->set_last_login_at(::hires_time());
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$sshlogin->set_last_login_at(::now());
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$jobs_started++;
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}
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debug("Running jobs after on ".$sshlogin->string().": ".$sshlogin->jobs_running()
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@ -1863,6 +1866,10 @@ sub reaper {
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}
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if(not $job->should_be_retried()) {
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if($opt::timeout) {
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# Update average runtime for timeout
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$Global::timeoutq->update_delta_time($job->runtime());
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}
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# Force printing now if the job failed and we are going to exit
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my $print_now = ($job->exitstatus() and
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$opt::halt_on_error and $opt::halt_on_error == 2);
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@ -1917,21 +1924,6 @@ sub reaper {
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return $children_reaped;
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}
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sub timeout {
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# SIGALRM was received. Check if there was a timeout
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# @Global::timeout is sorted by timeout
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while (@Global::timeouts) {
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my $t = $Global::timeouts[0];
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if($t->timed_out()) {
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$t->kill();
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shift @Global::timeouts;
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} else {
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# Because they are sorted by timeout
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last;
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}
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}
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}
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sub __USAGE__ {}
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@ -2149,13 +2141,12 @@ sub usleep {
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::debug(int($secs),"ms ");
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select(undef, undef, undef, $secs/1000);
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if($opt::timeout) {
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::debug(my_dump($Global::timeoutq));
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$Global::timeoutq->process_timeouts();
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}
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}
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sub hires_time {
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# Returns time since epoch as float
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sub now {
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# Returns time since epoch as in seconds with 3 decimals
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if(not $Global::use{"Time::HiRes"}) {
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if(eval "use Time::HiRes qw ( time );") {
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@ -2166,7 +2157,7 @@ sub hires_time {
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$Global::use{"Time::HiRes"} = 1;
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}
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return TimeHiRestime();
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return (int(TimeHiRestime()*1000))/1000;
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}
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sub multiply_binary_prefix {
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@ -2441,7 +2432,7 @@ sub too_fast_remote_login {
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my $self = shift;
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if($self->{'last_login_at'} and $self->{'time_to_login'}) {
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# If now <= last_login + wait time: Then it is too soon.
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my $too_fast = (::hires_time() <= $self->{'last_login_at'}
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my $too_fast = (::now() <= $self->{'last_login_at'}
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+ $self->{'time_to_login'});
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::debug("Too fast? $too_fast\n");
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return $too_fast;
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@ -3601,47 +3592,43 @@ sub set_pid {
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}
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sub starttime {
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# Returns:
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# UNIX-timestamp this job started
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my $self = shift;
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return ((int(($self->{'starttime'})*1000))/1000);
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return $self->{'starttime'};
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}
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sub set_starttime {
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my $self = shift;
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my $starttime = shift || ::hires_time();
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my $starttime = shift || ::now();
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$self->{'starttime'} = $starttime;
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}
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sub runtime {
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# Returns:
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# Run time in seconds
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my $self = shift;
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return ((int(($self->{'endtime'}-$self->{'starttime'})*1000))/1000);
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return $self->endtime() - $self->starttime();
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}
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sub endtime {
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# Returns:
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# UNIX-timestamp this job ended
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# now if not ended yet
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my $self = shift;
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return $self->{'endtime'};
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return ($self->{'endtime'} || ::now());
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}
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sub set_endtime {
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my $self = shift;
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my $endtime = shift || ::hires_time();
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my $endtime = shift || ::now();
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$self->{'endtime'} = $endtime;
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}
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sub set_timeout {
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my $self = shift;
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my $delta_time = shift;
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$self->{'timeout'} = time + $delta_time;
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}
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sub timeout {
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my $self = shift;
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return $self->{'timeout'};
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}
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sub timedout {
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my $self = shift;
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return time > $self->{'timeout'};
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my $delta_time = shift;
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return time > $self->{'starttime'} + $delta_time;
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}
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sub kill {
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@ -4189,8 +4176,6 @@ sub start {
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$job->set_pid($pid);
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$job->set_starttime();
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if($opt::timeout) {
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# Timeout must be set before inserting into queue
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$job->set_timeout($opt::timeout);
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$Global::timeoutq->insert($job);
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}
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if($opt::delay) {
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@ -5574,26 +5559,59 @@ package TimeoutQueue;
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sub new {
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my $class = shift;
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my $delta_time = shift;
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my ($pct,$avg_damper);
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if($delta_time =~ /(\d+)%/) {
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# Timeout in percent
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$pct = $1/100;
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$delta_time = 1_000_000;
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$avg_damper = (1-0.001)/0.9;
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}
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return bless {
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'queue' => [],
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'delta_time' => $delta_time,
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'pct' => $pct,
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'avg_damper' => $avg_damper,
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}, ref($class) || $class;
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}
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sub delta_time {
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my $self = shift;
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return $self->{'delta_time'};
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}
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sub set_delta_time {
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my $self = shift;
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$self->{'delta_time'} = shift;
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}
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sub update_delta_time {
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# Update delta_time based on runtime of finished job if timeout is
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# a percentage
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my $self = shift;
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my $runtime = shift;
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if($self->{'pct'}) {
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# Converge to the average fast in the start, and slower later
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$self->{'avg_damper'} = $self->{'avg_damper'} * 0.9 + 0.001;
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$self->{'delta_time'} =
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$self->{'pct'} * $runtime * $self->{'avg_damper'} +
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(1 - $self->{'avg_damper'}) * $self->{'delta_time'};
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::debug("Timeout: $self->{'delta_time'}s ");
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}
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}
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sub process_timeouts {
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# Check if there was a timeout
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my $self = shift;
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# @Global::timeout is sorted by timeout
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# $self->{'queue'} is sorted by start time
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while (@{$self->{'queue'}}) {
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my $job = $self->{'queue'}[0];
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if($job->timedout()) {
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if($job->timedout($self->{'delta_time'})) {
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# Need to shift off queue before kill
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# because kill calls usleep -> process_timeouts
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# because kill calls usleep that calls process_timeouts
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shift @{$self->{'queue'}};
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$job->kill();
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} else {
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# Because they are sorted by timeout
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# Because they are sorted by start time the rest are later
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last;
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}
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}
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@ -5602,24 +5620,7 @@ sub process_timeouts {
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sub insert {
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my $self = shift;
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my $in = shift;
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my $lower = 0;
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my $upper = $#{$self->{'queue'}};
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my $looking = int(($lower + $upper)/2);
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my $in_time = $in->timeout();
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# Find the position between $lower and $upper
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while($lower < $upper) {
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if($self->{'queue'}[$looking]->timeout() < $in_time) {
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# Upper half
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$lower = $looking+1;
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} else {
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# Lower half
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$upper = $looking;
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}
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$looking = int(($lower + $upper)/2);
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}
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# splice at position $looking
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splice @{$self->{'queue'}}, $looking, 0, $in;
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push @{$self->{'queue'}}, $in;
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}
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@ -1370,12 +1370,16 @@ different dir for the files. Setting B<--tmpdir> is equivalent to
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setting $TMPDIR.
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=item B<--timeout> I<sec>
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=item B<--timeout> I<val> (new alpha testing)
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Time out for command. If the command runs for longer than I<sec>
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Time out for command. If the command runs for longer than I<val>
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seconds it will get killed with SIGTERM, followed by SIGTERM 200 ms
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later, followed by SIGKILL 200 ms later.
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If I<val> is followed by a % then the timeout will dynamically be
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computed as a percentage of the smoothed average runtime. Only values
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> 100% will make sense.
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=item B<--tollef> (obsolete - will be retired 20140222)
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@ -1473,13 +1473,17 @@ into temporary files in /tmp. By setting @strong{--tmpdir} you can use a
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different dir for the files. Setting @strong{--tmpdir} is equivalent to
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setting $TMPDIR.
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@item @strong{--timeout} @emph{sec}
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@anchor{@strong{--timeout} @emph{sec}}
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@item @strong{--timeout} @emph{val} (new alpha testing)
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@anchor{@strong{--timeout} @emph{val} (new alpha testing)}
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Time out for command. If the command runs for longer than @emph{sec}
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Time out for command. If the command runs for longer than @emph{val}
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seconds it will get killed with SIGTERM, followed by SIGTERM 200 ms
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later, followed by SIGKILL 200 ms later.
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If @emph{val} is followed by a % then the timeout will dynamically be
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computed as a percentage of the smoothed average runtime. Only values
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> 100% will make sense.
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@item @strong{--tollef} (obsolete - will be retired 20140222)
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@anchor{@strong{--tollef} (obsolete - will be retired 20140222)}
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