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Current load of each core

Oleg Gokolov
Prodigy 30 points
Other Parts Discussed in Thread: TMS320C6678, SYSBIOS

Good day, dear friends.

We use Code Composer 5.5 and DSP - TMS320C6678. In our system we start any dsp algorithms of the different complexity on each core of this dsp. I need to know current load of each core. In other words I need to know how many tasks I can start on the one core. 

Does Code Composer have those instruments ????

Or maybe SysBios has any functions that may give me this information ????

  • 0
    Prodigy 30 points

    Any help would be appreciated.

  • 0 in reply to Oleg Gokolov
    TI__Genius 10260 points

    Hi Oleg,

    Sorry for the delayed response.

    You can add the BIOS load module & instrumentation to your applications & view the CPU load using System Analyzer (part of CCS).  To add CPU load logging you need to add the following to your *.cfg file:

    var Load = xdc.useModule('ti.sysbios.utils.Load');
Load.swiEnabled = true;
Load.hwiEnabled = true;

var LoggingSetup = xdc.useModule('ti.uia.sysbios.LoggingSetup');

/* Enable CPU Load logging */
LoggingSetup.loadLogging = true;

/*
 *  Enable Task, Swi, and Hwi Load logging. This allows the Idle Task
 *  usage to make more sense. Otherwise Hwi and Swi load is factored into
 *  each task's usage.
 */
LoggingSetup.loadTaskLogging = true;
LoggingSetup.loadSwiLogging = true;
LoggingSetup.loadHwiLogging = true;
LoggingSetup.loggerType = LoggingSetup.LoggerType_JTAGRUNMODE;

    There are several logger types available, so please take a look at the logging setup wiki for more details.  All of these settings can be set by the graphical config tool as well (UIA->LoggingSetup & BIOS->CPU Load).  After all this has been setup, you can view CPU load graphs using System Analyzer (wiki).

    Hope this helps,

    -- Emmanuel

  • 0 in reply to Emmanuel Trinidad - Alicea
    Prodigy 30 points
    Emmanuel. Many thanks. I will try your solution.