Xilinx Artix-7 FPGA AC701 Getting Started Manual page 31

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GUI Monitor Function
The driver always maintains information about the hardware status. The GUI periodically
issues an I/O Control, ioctl(), to read the status information which is comprised of:
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The driver maintains a set of circular arrays to hold second-by-second sampling points of
various statistics which are periodically collected by the performance monitor handler.
The various GUI indicators and controls are detailed in
X-Ref Target - Figure 25
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AC701 Getting Started Guide
UG967 (v4.0.1) March 05, 2014
Advanced Bring-up with Base Targeted Reference Design
Test selection:
• Loopback
• HW checker
• HW Generator
PCIe link and device status
DMA controller status
Power status
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Figure 25: Control and Monitoring Interface
www.xilinx.com
Figure 25 and Table 5.
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