Devel::RingBuffer::Ring - Single ring of a Devel::RingBuffer
# # create ringbuffer # use Devel::RingBuffer; use Devel::RingBuffer::TieInt; my $ringbuf = Devel::RingBuffer->new( File => 'somefile.trace', Rings => 20, Slots => 20, MessageSize => 256, GlobalSize => 24 * 1024, StopOnCreate => 0, TraceOnCreate => 1) || die "Can't create a ring buffer."; my $ring = $ringbuf->allocate(); # # setup the next slot in the ring # $depth = $ring->nextSlot(); # # update the current slot with the new linenumber and timestamp # $ring->updateSlot(); # # free the current slot when we return from its subroutine call # $depth = $ring->freeSlot();
Provides shared memory structures (using memory mapped files via IPC::Mmap and Devel::RingBuffer).
Refer to included classdocs for summary and detailed method descriptions.
Devel::RingBuffer
Devel::STrace
IPC::Mmap
perldebguts
strace(1) (or truss(1))
Dean Arnold mailto:darnold@presicient.com
Copyright(C) 2006, Dean Arnold, Presicient Corp., USA. All rights reserved.
Permission is granted to use this software under the same terms as Perl itself. Refer to the Perl Artistic License for details.
To install Devel::RingBuffer, copy and paste the appropriate command in to your terminal.
cpanm
cpanm Devel::RingBuffer
CPAN shell
perl -MCPAN -e shell install Devel::RingBuffer
For more information on module installation, please visit the detailed CPAN module installation guide.