diff options
author | Reinhard Kotucha <reinhard.kotucha@web.de> | 2008-01-05 21:23:03 +0000 |
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committer | Reinhard Kotucha <reinhard.kotucha@web.de> | 2008-01-05 21:23:03 +0000 |
commit | 61700e8be90ff6f495c0b1a9835fe07e9848de8d (patch) | |
tree | ba85dbc1413d5f834a501a8828e3b67678ba8524 /Master/tlpkg/tlperl/lib/Win32/PerfLib.pm | |
parent | 270728c6f3efcac6728d2c335c79824c356f428d (diff) |
tlperl: Perl for scripts provided by TeX Live.
git-svn-id: svn://tug.org/texlive/trunk@6046 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/tlpkg/tlperl/lib/Win32/PerfLib.pm')
-rw-r--r-- | Master/tlpkg/tlperl/lib/Win32/PerfLib.pm | 538 |
1 files changed, 538 insertions, 0 deletions
diff --git a/Master/tlpkg/tlperl/lib/Win32/PerfLib.pm b/Master/tlpkg/tlperl/lib/Win32/PerfLib.pm new file mode 100644 index 00000000000..2b773d68f4b --- /dev/null +++ b/Master/tlpkg/tlperl/lib/Win32/PerfLib.pm @@ -0,0 +1,538 @@ +package Win32::PerfLib; + +use strict; +use Carp; +use vars qw($VERSION @ISA @EXPORT @EXPORT_OK $AUTOLOAD); + +require Exporter; +require DynaLoader; +require AutoLoader; + +@ISA = qw(Exporter DynaLoader); + +@EXPORT = qw( + PERF_100NSEC_MULTI_TIMER + PERF_100NSEC_MULTI_TIMER_INV + PERF_100NSEC_TIMER + PERF_100NSEC_TIMER_INV + PERF_AVERAGE_BASE + PERF_AVERAGE_BULK + PERF_AVERAGE_TIMER + PERF_COUNTER_BASE + PERF_COUNTER_BULK_COUNT + PERF_COUNTER_COUNTER + PERF_COUNTER_DELTA + PERF_COUNTER_ELAPSED + PERF_COUNTER_FRACTION + PERF_COUNTER_HISTOGRAM + PERF_COUNTER_HISTOGRAM_TYPE + PERF_COUNTER_LARGE_DELTA + PERF_COUNTER_LARGE_QUEUELEN_TYPE + PERF_COUNTER_LARGE_RAWCOUNT + PERF_COUNTER_LARGE_RAWCOUNT_HEX + PERF_COUNTER_MULTI_BASE + PERF_COUNTER_MULTI_TIMER + PERF_COUNTER_MULTI_TIMER_INV + PERF_COUNTER_NODATA + PERF_COUNTER_QUEUELEN + PERF_COUNTER_QUEUELEN_TYPE + PERF_COUNTER_RATE + PERF_COUNTER_RAWCOUNT + PERF_COUNTER_RAWCOUNT_HEX + PERF_COUNTER_TEXT + PERF_COUNTER_TIMER + PERF_COUNTER_TIMER_INV + PERF_COUNTER_VALUE + PERF_DATA_REVISION + PERF_DATA_VERSION + PERF_DELTA_BASE + PERF_DELTA_COUNTER + PERF_DETAIL_ADVANCED + PERF_DETAIL_EXPERT + PERF_DETAIL_NOVICE + PERF_DETAIL_WIZARD + PERF_DISPLAY_NOSHOW + PERF_DISPLAY_NO_SUFFIX + PERF_DISPLAY_PERCENT + PERF_DISPLAY_PER_SEC + PERF_DISPLAY_SECONDS + PERF_ELAPSED_TIME + PERF_INVERSE_COUNTER + PERF_MULTI_COUNTER + PERF_NO_INSTANCES + PERF_NO_UNIQUE_ID + PERF_NUMBER_DECIMAL + PERF_NUMBER_DEC_1000 + PERF_NUMBER_HEX + PERF_OBJECT_TIMER + PERF_RAW_BASE + PERF_RAW_FRACTION + PERF_SAMPLE_BASE + PERF_SAMPLE_COUNTER + PERF_SAMPLE_FRACTION + PERF_SIZE_DWORD + PERF_SIZE_LARGE + PERF_SIZE_VARIABLE_LEN + PERF_SIZE_ZERO + PERF_TEXT_ASCII + PERF_TEXT_UNICODE + PERF_TIMER_100NS + PERF_TIMER_TICK + PERF_TYPE_COUNTER + PERF_TYPE_NUMBER + PERF_TYPE_TEXT + PERF_TYPE_ZERO + ); + +$VERSION = '0.05'; + +sub AUTOLOAD { + + my $constname; + ($constname = $AUTOLOAD) =~ s/.*:://; + local $! = 0; + my $val = constant($constname); + if ($! != 0) { + if ($! =~ /Invalid/) { + $AutoLoader::AUTOLOAD = $AUTOLOAD; + goto &AutoLoader::AUTOLOAD; + } + else { + croak "Your vendor has not defined Win32::PerfLib macro $constname"; + } + } + eval "sub $AUTOLOAD { $val }"; + goto &$AUTOLOAD; +} + +bootstrap Win32::PerfLib $VERSION; + +# Preloaded methods go here. + +sub new +{ + my $proto = shift; + my $class = ref($proto) || $proto; + my $comp = shift; + my $handle; + my $self = {}; + if(PerfLibOpen($comp,$handle)) + { + $self->{handle} = $handle; + bless $self, $class; + return $self; + } + else + { + return undef; + } + +} + +sub Close +{ + my $self = shift; + return PerfLibClose($self->{handle}); +} + +sub DESTROY +{ + my $self = shift; + if(!PerfLibClose($self->{handle})) + { + croak "Error closing handle!\n"; + } +} + +sub GetCounterNames +{ + my($machine,$href) = @_; + if(ref $href ne "HASH") + { + croak("usage: Win32::PerfLib::GetCounterNames(machine,hashRef)\n"); + } + my($data,@data,$num,$name); + my $retval = PerfLibGetNames($machine,$data); + if($retval) + { + @data = split(/\0/, $data); + while(@data) + { + $num = shift @data; + $name = shift @data; + $href->{$num} = $name; + } + } + $retval; +} + +sub GetCounterHelp +{ + my($machine,$href) = @_; + if(ref $href ne "HASH") + { + croak("usage: Win32::PerfLib::GetCounterHelp(machine,hashRef)\n"); + } + my($data,@data,$num,$name); + my $retval = PerfLibGetHelp($machine,$data); + if($retval) + { + @data = split(/\0/, $data); + while(@data) + { + $num = shift @data; + $name = shift @data; + $href->{$num} = $name; + } + } + $retval; +} + +sub GetObjectList +{ + my $self = shift; + my $object = shift; + my $data = shift; + if(ref $data ne "HASH") + { + croak("reference isn't a hash reference!\n"); + } + return PerfLibGetObjects($self->{handle}, $object, $data); +} + +sub GetCounterType +{ + my $type = shift; + my $retval; + if( &Win32::PerfLib::PERF_100NSEC_MULTI_TIMER == $type ) + { + $retval = "PERF_100NSEC_MULTI_TIMER"; + } + elsif( &Win32::PerfLib::PERF_100NSEC_MULTI_TIMER_INV == $type ) + { + $retval = "PERF_100NSEC_MULTI_TIMER_INV"; + } + elsif( &Win32::PerfLib::PERF_100NSEC_TIMER == $type ) + { + $retval = "PERF_100NSEC_TIMER"; + } + elsif( &Win32::PerfLib::PERF_100NSEC_TIMER_INV == $type ) + { + $retval = "PERF_100NSEC_TIMER_INV"; + } + elsif( &Win32::PerfLib::PERF_AVERAGE_BASE == $type ) + { + $retval = "PERF_AVERAGE_BASE"; + } + elsif( &Win32::PerfLib::PERF_AVERAGE_BULK == $type ) + { + $retval = "PERF_AVERAGE_BULK"; + } + elsif( &Win32::PerfLib::PERF_AVERAGE_TIMER == $type ) + { + $retval = "PERF_AVERAGE_TIMER"; + } + elsif( &Win32::PerfLib::PERF_COUNTER_BULK_COUNT == $type ) + { + $retval = "PERF_COUNTER_BULK_COUNT"; + } + elsif( &Win32::PerfLib::PERF_COUNTER_COUNTER == $type ) + { + $retval = "PERF_COUNTER_COUNTER"; + } + elsif( &Win32::PerfLib::PERF_COUNTER_DELTA == $type ) + { + $retval = "PERF_COUNTER_DELTA"; + } + elsif( &Win32::PerfLib::PERF_COUNTER_LARGE_DELTA == $type ) + { + $retval = "PERF_COUNTER_LARGE_DELTA"; + } + elsif( &Win32::PerfLib::PERF_COUNTER_LARGE_QUEUELEN_TYPE == $type ) + { + $retval = "PERF_COUNTER_LARGE_QUEUELEN_TYPE"; + } + elsif( &Win32::PerfLib::PERF_COUNTER_LARGE_RAWCOUNT == $type ) + { + $retval = "PERF_COUNTER_LARGE_RAWCOUNT"; + } + elsif( &Win32::PerfLib::PERF_COUNTER_LARGE_RAWCOUNT_HEX == $type ) + { + $retval = "PERF_COUNTER_LARGE_RAWCOUNT_HEX"; + } + elsif( &Win32::PerfLib::PERF_COUNTER_MULTI_BASE == $type ) + { + $retval = "PERF_COUNTER_MULTI_BASE"; + } + elsif( &Win32::PerfLib::PERF_COUNTER_MULTI_TIMER == $type ) + { + $retval = "PERF_COUNTER_MULTI_TIMER"; + } + elsif( &Win32::PerfLib::PERF_COUNTER_MULTI_TIMER_INV == $type ) + { + $retval = "PERF_COUNTER_MULTI_TIMER_INV"; + } + elsif( &Win32::PerfLib::PERF_COUNTER_NODATA == $type ) + { + $retval = "PERF_COUNTER_NODATA"; + } + elsif( &Win32::PerfLib::PERF_COUNTER_QUEUELEN_TYPE == $type ) + { + $retval = "PERF_COUNTER_QUEUELEN_TYPE"; + } + elsif( &Win32::PerfLib::PERF_COUNTER_RAWCOUNT == $type ) + { + $retval = "PERF_COUNTER_RAWCOUNT"; + } + elsif( &Win32::PerfLib::PERF_COUNTER_RAWCOUNT_HEX == $type ) + { + $retval = "PERF_COUNTER_RAWCOUNT_HEX"; + } + elsif( &Win32::PerfLib::PERF_COUNTER_TEXT == $type ) + { + $retval = "PERF_COUNTER_TEXT"; + } + elsif( &Win32::PerfLib::PERF_COUNTER_TIMER == $type ) + { + $retval = "PERF_COUNTER_TIMER"; + } + elsif( &Win32::PerfLib::PERF_COUNTER_TIMER_INV == $type ) + { + $retval = "PERF_COUNTER_TIMER_INV"; + } + elsif( &Win32::PerfLib::PERF_ELAPSED_TIME == $type ) + { + $retval = "PERF_ELAPSED_TIME"; + } + elsif( &Win32::PerfLib::PERF_RAW_BASE == $type ) + { + $retval = "PERF_RAW_BASE"; + } + elsif( &Win32::PerfLib::PERF_RAW_FRACTION == $type ) + { + $retval = "PERF_RAW_FRACTION"; + } + elsif( &Win32::PerfLib::PERF_SAMPLE_BASE == $type ) + { + $retval = "PERF_SAMPLE_BASE"; + } + elsif( &Win32::PerfLib::PERF_SAMPLE_COUNTER == $type ) + { + $retval = "PERF_SAMPLE_COUNTER"; + } + elsif( &Win32::PerfLib::PERF_SAMPLE_FRACTION == $type ) + { + $retval = "PERF_SAMPLE_FRACTION"; + } + $retval; +} + + + +1; +__END__ + +=head1 NAME + +Win32::PerfLib - accessing the Windows NT Performance Counter + +=head1 SYNOPSIS + + use Win32::PerfLib; + my $server = ""; + Win32::PerfLib::GetCounterNames($server, \%counter); + %r_counter = map { $counter{$_} => $_ } keys %counter; + # retrieve the id for process object + $process_obj = $r_counter{Process}; + # retrieve the id for the process ID counter + $process_id = $r_counter{'ID Process'}; + + # create connection to $server + $perflib = new Win32::PerfLib($server); + $proc_ref = {}; + # get the performance data for the process object + $perflib->GetObjectList($process_obj, $proc_ref); + $perflib->Close(); + $instance_ref = $proc_ref->{Objects}->{$process_obj}->{Instances}; + foreach $p (sort keys %{$instance_ref}) + { + $counter_ref = $instance_ref->{$p}->{Counters}; + foreach $i (keys %{$counter_ref}) + { + if($counter_ref->{$i}->{CounterNameTitleIndex} == $process_id) + { + printf( "% 6d %s\n", $counter_ref->{$i}->{Counter}, + $instance_ref->{$p}->{Name} + ); + } + } + } + +=head1 DESCRIPTION + +This module allows to retrieve the performance counter of any computer +(running Windows NT) in the network. + +=head1 FUNCTIONS + +=head2 NOTE + +All of the functions return false if they fail, unless otherwise noted. +If the $server argument is undef the local machine is assumed. + +=over 10 + +=item Win32::PerfLib::GetCounterNames($server,$hashref) + +Retrieves the counter names and their indices from the registry and stores them +in the hash reference + +=item Win32::PerfLib::GetCounterHelp($server,$hashref) + +Retrieves the counter help strings and their indices from the registry and +stores them in the hash reference + +=item $perflib = Win32::PerfLib->new ($server) + +Creates a connection to the performance counters of the given server + +=item $perflib->GetObjectList($objectid,$hashref) + +retrieves the object and counter list of the given performance object. + +=item $perflib->Close($hashref) + +closes the connection to the performance counters + +=item Win32::PerfLib::GetCounterType(countertype) + +converts the counter type to readable string as referenced in L<calc.html> so +that it is easier to find the appropriate formula to calculate the raw counter +data. + +=back + +=head1 Datastructures + +The performance data is returned in the following data structure: + +=over 10 + +=item Level 1 + + $hashref = { + 'NumObjectTypes' => VALUE + 'Objects' => HASHREF + 'PerfFreq' => VALUE + 'PerfTime' => VALUE + 'PerfTime100nSec' => VALUE + 'SystemName' => STRING + 'SystemTime' => VALUE + } + +=item Level 2 + +The hash reference $hashref->{Objects} has the returned object ID(s) as keys and +a hash reference to the object counter data as value. Even there is only one +object requested in the call to GetObjectList there may be more than one object +in the result. + + $hashref->{Objects} = { + <object1> => HASHREF + <object2> => HASHREF + ... + } + +=item Level 3 + +Each returned object ID has object-specific performance information. If an +object has instances like the process object there is also a reference to +the instance information. + + $hashref->{Objects}->{<object1>} = { + 'DetailLevel' => VALUE + 'Instances' => HASHREF + 'Counters' => HASHREF + 'NumCounters' => VALUE + 'NumInstances' => VALUE + 'ObjectHelpTitleIndex' => VALUE + 'ObjectNameTitleIndex' => VALUE + 'PerfFreq' => VALUE + 'PerfTime' => VALUE + } + +=item Level 4 + +If there are instance information for the object available they are stored in +the 'Instances' hashref. If the object has no instances there is an 'Counters' +key instead. The instances or counters are numbered. + + $hashref->{Objects}->{<object1>}->{Instances} = { + <1> => HASHREF + <2> => HASHREF + ... + <n> => HASHREF + } + or + $hashref->{Objects}->{<object1>}->{Counters} = { + <1> => HASHREF + <2> => HASHREF + ... + <n> => HASHREF + } + +=item Level 5 + + $hashref->{Objects}->{<object1>}->{Instances}->{<1>} = { + Counters => HASHREF + Name => STRING + ParentObjectInstance => VALUE + ParentObjectTitleIndex => VALUE + } + or + $hashref->{Objects}->{<object1>}->{Counters}->{<1>} = { + Counter => VALUE + CounterHelpTitleIndex => VALUE + CounterNameTitleIndex => VALUE + CounterSize => VALUE + CounterType => VALUE + DefaultScale => VALUE + DetailLevel => VALUE + Display => STRING + } + +=item Level 6 + + $hashref->{Objects}->{<object1>}->{Instances}->{<1>}->{Counters} = { + <1> => HASHREF + <2> => HASHREF + ... + <n> => HASHREF + } + +=item Level 7 + + $hashref->{Objects}->{<object1>}->{Instances}->{<1>}->{Counters}->{<1>} = { + Counter => VALUE + CounterHelpTitleIndex => VALUE + CounterNameTitleIndex => VALUE + CounterSize => VALUE + CounterType => VALUE + DefaultScale => VALUE + DetailLevel => VALUE + Display => STRING + } + +Depending on the B<CounterType> there are calculations to do (see calc.html). + +=back + +=head1 AUTHOR + +Jutta M. Klebe, jmk@bybyte.de + +=head1 SEE ALSO + +perl(1). + +=cut |