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Execution time measurement

Former Member

Hello,
I am using zedboard for my project and I want to measure my algorithm process time. The problem is that I can not use the clock() or gettimeofday() function, it says "undefined reference to _gettimeofday" or " undefined reference to _time", but in fact, I have already included the <sys/time.h> and <time.h>. I really need this problem to be fixed or any idea to measure the execution time.

P.S. My programmm is based on C and neon intrinsics, and the The Project is running on standalone. 

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  • 0

    First, I'm pretty much in the dark as to how (even where) the make files for the SDK projects are being stored and manipulated...

    But I'll take a guess about your problem.

    So in the SDK your application project (in the SDK project explorer pane) has a little Folder icon with "C" on it.

    Right click on that and down the bottom is "Change Referenced BSP" - is that referencing the correct BSP?

    Also, again, right clicking on the application project, "Build Settings" brings up a dialog box with a "Tool Settings" tab.  In that tab click on "ARM g++ compiler" and you should see:
          Command: arm-xilinx-eabi-g++
      All Options: -Wall -O0 -g3 -c -fmessage-length=0 -I../../microZedAndIOCC_bsp_0/ps7_cortexa9_0/include

    that -I option is the include path for GCC - which is pointing to my BSP.

    If either of those things doesn't look right, maybe you should try exporting your hardware again from Vivado and rebuilding your BSP?

  • 0 in reply to Former Member


    **** Build of configuration Debug for project test_neon_alone ****

    make all
    Building file: ../src/helloworld.c
    Invoking: ARM gcc compiler
    arm-xilinx-eabi-gcc -Wall -O0 -g3 -c -fmessage-length=0 -MMD -MP -MF"src/helloworld.d" -MT"src/helloworld.d" -o"src/helloworld.o" "../src/helloworld.c"
    In file included from ../src/helloworld.c:41:0:
    ../src/substitut_timer.h:17:21: fatal error: xscugic.h: No such file or directory
    compilation terminated.
    make: *** [src/helloworld.o] Fehler 1

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  • 0 in reply to Former Member


    **** Build of configuration Debug for project test_neon_alone ****

    make all
    Building file: ../src/helloworld.c
    Invoking: ARM gcc compiler
    arm-xilinx-eabi-gcc -Wall -O0 -g3 -c -fmessage-length=0 -MMD -MP -MF"src/helloworld.d" -MT"src/helloworld.d" -o"src/helloworld.o" "../src/helloworld.c"
    In file included from ../src/helloworld.c:41:0:
    ../src/substitut_timer.h:17:21: fatal error: xscugic.h: No such file or directory
    compilation terminated.
    make: *** [src/helloworld.o] Fehler 1

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