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Altera_Forum
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13 years ago

Problem with Performance Counter Unit

Hi I am trying to measure the number of clock cycles in NIOS2-Eclipse for a C Code using the Performance Counter and I get number of clock cycles as "-1". I have used Altera's DE1-NIOS reference d...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Hi,

Not actually but found a work around, i made a new design in the SOPC builder which just had NIOSII Processor, 20KB of On Chip-RAM, JTAG-UART, Performance Counter Unit.

Then I enabled small C libraries in NIOSII-IDE and ran the same code and got the correct cycle count