Projects / PasTmon


PasTmon (Passive Application Response Time Monitor) passively monitors your application servers, measuring and reporting user response times, throughput and congestion. It currently works with HTTP, telnet, rlogin, rsh, FTP (control channel), SMTP, POP3, and IRC. Measurements are recorded in a PostgreSQL database and are presented graphically via a PHP Web front-end using R statistical analysis scripts to create the plots.

Operating Systems

Recent releases

  •  08 Nov 2009 15:03

    Release Notes: This release includes some minor fixes for ICMP support, TCP Window Scaling, data summarization, and some minor memory leaks. New features include a new option for logging to syslog and a new login page to access the PHP interface. The old Standard Reports interface has been removed in favor of the jpgraph based favorites.

    •  02 Aug 2009 15:48

      Release Notes: This release brings support for multiple PasTmon sensors feeding into a single central PostgreSQL database. It has been ported to FreeBSD (7.1), has significant performance improvements, and has the beginnings of a complete rewrite of the PHP-based interface.

      •  19 Oct 2008 15:24

        Release Notes: pastmon-php passing of filters in drill-down was fixed. Some memory leaks were fixed. E_NOTICE breaking plots in pastmonphp was fixed. Internal memory statistics collection was added for the DBI output plugin. libdbi and libdbi-drivers 0.8.3 or above are recommended. Segfaults in the DBI output plugin were fixed.

        •  27 Jan 2008 16:27

          Release Notes: This release fixes a timezone clock skew issue with the Internal metrics plots, and now also prefers to use TrueType fonts for all plots, if installed.

          •  20 Jan 2008 13:42

            Release Notes: Gentoo ebuild support was added. Minor useability improvements were made in the PHP interface. Permission changes were made in the database. Minor bugs were fixed. The license was migrated to the GPLv3.

            Recent comments

            23 Feb 2002 11:21 glbevan

            Project web servers on problems
            Looks like project web servers are having problems. If you find you cannot get to the pastmon web site, please feel free to download directly from



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