The PA is used to provide a profile of where time is being spent in a given application.   The PA works by a set of hooks in the TPF system.  Basically, these hooks detect Shared Object (CSO & BSO) switching events, ENTxC macros and C/C++ function entry/return events.  As an application is being traced, these entry/return events are detected and upon each event, a location and timestamp and stored.   Typically, an entry event has a corresponding return event.    It's the time in between... [More]

Tags:  analyzer performance toolkit pa

The IBM General Session on the second day of  Impact 2012  had some good information regarding transaction processing. Steve Mills, IBM's Senior Vice President and Group Executive of Software and Systems, starts his portion of the  General Session  at around the 21 minute mark. In it, he makes a few references to the power of z/TPF and he also shows a slide and discusses IBM's  WebSphere Transaction Cluster Facility  around the 34 minute mark).

Tags:  impact z/tpf tpf performance

Click " add to calendar " to create calendar entry on Outlook, Yahoo, Gmail, and Lotus Notes mail (click outlook link for Lotus Notes)   Join us for another educational webinar - Dr. Bob Blackburn from TPF development will be presenting on Sept 30 (tue) at 1pmET . ALSO - please submit any questions you would like answered using the comments section of this blog entry. z/TPF Performance Overview Dr Blackburn will be covering multiple topics including. Shutdown limits for maximum reliability High priority messages Shared PR/SM and... [More]

Tags:  z/tpf performance webinar

For those accustomed to programming with the z/OS C/C++ compiler for the TPF 4.1 system, the application landscape might seem identical in the z/TPF system. It is not. The performance guidelines you might have used in the past changed a little. This article explains these changes as applicable to   gcc   and   g++ . Background In the z/TPF system, everything is implemented as a  shared object library ; even traditional TPF assembler segments are members of a z/TPF-unique shared object type called a  BAL shared object... [More]

Tags:  z/tpf c/c++ performance article