read_vivado_report.py

def report(proj_dir):
    data = {}
    data['error'] = False
    
    # Check for C Synthesis errors
    if os.path.exists('{}/vivado_hls.log'.format(proj_dir)):
        report = open('{}/vivado_hls.log'.format(proj_dir))
        lines = np.array(report.readlines())
        error = bool(np.sum(np.array(['ERROR' in line for line in lines])))
        if error:
            data['latency_us'] = 0
            data['latency_clks'] = 0
            data['lut'] = 0
            data['ff'] = 0
            data['bram'] = 0
            data['dsp'] = 0
            data['error'] = True
            return data
            
    # Get the latency from the Vivado HLS report
    if os.path.exists('{}/myproject_prj/solution1/syn/report/myproject_csynth.rpt'.format(proj_dir)):
        report = open('{}/myproject_prj/solution1/syn/report/myproject_csynth.rpt'.format(proj_dir))
        lines = np.array(report.readlines())
        lat_line = lines[np.argwhere(np.array(['Latency (cycles)' in line for line in lines])).flatten()[0] + 3]
        data['latency_clks'] = int(lat_line.split('|')[2])
        lat = lat_line.split('|')[4]
        if 'ns' in lat:
            # put in microseconds
            lat = float(lat.replace('ns','')) * 10**-3
        elif 'us' in lat:
            lat = float(lat.replace('us',''))
        elif 'ms' in lat:
            lat = float(lat.replace('ms','')) * 10**3
        else:
            print("Unsupported latency suffix: {}".format(lat))
        data['latency_us'] = lat
    else:
        return None
    
    # Get the resources from the logic synthesis report
    if os.path.exists('{}/vivado_synth.rpt'.format(proj_dir)):
        report = open('{}/vivado_synth.rpt'.format(proj_dir))
        lines = np.array(report.readlines())
        data['lut'] = int(lines[np.array(['CLB LUTs*' in line for line in lines])][0].split('|')[2]) 
        data['ff'] = int(lines[np.array(['CLB Registers' in line for line in lines])][0].split('|')[2])
        data['bram'] = float(lines[np.array(['Block RAM Tile' in line for line in lines])][0].split('|')[2]) 
        data['dsp'] = int(lines[np.array(['DSPs' in line for line in lines])][0].split('|')[2])
        report.close()
    else:
        return None
    
    return data