Posts Tagged DTrace

DTrace for Developers (SI-328-S10)

Posted by admin in DTrace, Solaris on March 17, 2010

Este curso se trata de uno de los más interesantes para desarrolladores de aplicaciones. Se muestran conceptos clave para la depuración y diagnóstico de aplicaciones y la determinación de los problemas clave en una aplicación: Course Code: SI-328-S10 Course Title: DTrace for Developers Revision: A Duration: Two (2) Days Course Description he DTrace for Developers [...]

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ZFS file access monitor dtrace script

Posted by Sergio Rodriguez de Guzman in DTrace, Solaris on March 12, 2010

I have created this small DTrace script to monitor the file access on a ZFS file system (it does not work on other File Systems). It uses one single argument, the file you are going to monitor. It will print the DATE access, the process using the file, the operation over the file (Read/Write/Delete), the [...]

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Usefull links from sun.com : Solaris How-To Guides (dtrace, cluster, zfs, smf, …)

Posted by Arnaud Delanoue in Solaris on September 23, 2009

The other day I found the Solaris How-To Guides web page and I’d like to share it with you. There are some very interesting documents which explain how to install Solaris or how to configure Sun Cluster … : How to Quickly Install the Solaris 10 10/08 OS How to Use DTrace from a Solaris [...]

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conntrack DTrace script: connections by process, user and port on Solaris/Opensolaris

Posted by Sergio Rodriguez de Guzman in DTrace, Networking/Security, Solaris on August 27, 2009

I’ve created conntrack DTrace script for Solaris and Opensolaris to monitor all outgoing TCP and UDP connections by process, user and port. It has some filtering capabilities allowing to filter traffic by port, process or user. In a standard unix system it’s rather difficult to know what process are using the network and how. With [...]

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Get TCP statistics and KPIs in Opensolaris and Solaris 10: tcpKPI.d

Posted by Sergio Rodriguez de Guzman in DTrace on August 11, 2009

I’ve created this DTrace script to get network KPIs (Key Performance Indicators). It will print this information: * FIELDS: * DATE Time, string * OUT TCP Out Data Bytes * RET Number of Retransmited Bytes * IN TCP In Data Bytes * INDUP TCP In Duplicated Bytes * UNORD TCP In UnorderBytes * DROP TCP [...]

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