int xcldev::device::readLAPCheckers()

in SDAccel/userspace/src/awssak_debug.cpp [144:225]
76 lines of code
12 McCabe index (conditional complexity)

int xcldev::device::readLAPCheckers(int aVerbose) {
    xclDebugCheckersResults debugResults = {0};
    //if (getuid() && geteuid()) {
    //    std::cout << "ERROR: Reading LAPC requires root privileges" << std::endl;
    //    return -EACCES;
    //}
    std::vector<std::string> lapcSlotNames;
    std::vector< std::pair<std::string, std::string> > cuNameportNames;
    unsigned int numSlots = getIPCountAddrNames (LAPC, nullptr, &lapcSlotNames);
    if (numSlots == 0) {
        std::cout << "ERROR: LAPC IP does not exist on the platform" << std::endl;
        return 0;
    }
    std::pair<size_t, size_t> widths = getCUNamePortName(lapcSlotNames, cuNameportNames);
    xclDebugReadIPStatus(m_handle, XCL_DEBUG_READ_TYPE_LAPC, &debugResults);
    bool violations_found = false;
    bool invalid_codes = false;
    std::cout << "Light Weight AXI Protocol Checkers codes \n";
    int col1 = std::max(widths.first, strlen("CU Name")) + 4;
    int col2 = std::max(widths.second, strlen("AXI Portname"));

    for (unsigned int i = 0; i<debugResults.NumSlots; ++i) {
        if (!xclAXICheckerCodes::isValidAXICheckerCodes(debugResults.OverallStatus[i],
                        debugResults.SnapshotStatus[i], debugResults.CumulativeStatus[i])) {
            std::cout << "CU Name: " << cuNameportNames[i].first << " AXI Port: " << cuNameportNames[i].second << "\n";
            std::cout << "  Invalid codes read, skip decoding\n";
            invalid_codes = true;
        }
        else if (debugResults.OverallStatus[i]) {
            std::cout << "CU Name: " << cuNameportNames[i].first << " AXI Port: " << cuNameportNames[i].second << "\n";
            std::cout << "  First violation: \n";
            std::cout << "    " <<  xclAXICheckerCodes::decodeAXICheckerCodes(debugResults.SnapshotStatus[i]);
            //snapshot reflects first violation, cumulative has all violations
            unsigned int tCummStatus[4];
            std::transform(debugResults.CumulativeStatus[i], debugResults.CumulativeStatus[i]+4, debugResults.SnapshotStatus[i], tCummStatus, std::bit_xor<unsigned int>());
            std::cout << "  Other violations: \n";
            std::string tstr = xclAXICheckerCodes::decodeAXICheckerCodes(tCummStatus);
            if (tstr == "") {
              std::cout << "    None";
            }
            else {
              std::cout << "    " <<  tstr;
            }
            violations_found = true;
        }
    }
    if (!violations_found && !invalid_codes) {
        std::cout << "No AXI violations found \n";
    }
    if (violations_found && aVerbose && !invalid_codes) {
        std::cout << "\n";
        std::cout << std::left
                << std::setw(col1) << "CU Name"
                << " " << std::setw(col2) << "AXI Portname"
                << "  " << std::setw(16) << "Overall Status"
                << "  " << std::setw(16) << "Snapshot[0]"
                << "  " << std::setw(16) << "Snapshot[1]"
                << "  " << std::setw(16) << "Snapshot[2]"
                << "  " << std::setw(16) << "Snapshot[3]"
                << "  " << std::setw(16) << "Cumulative[0]"
                << "  " << std::setw(16) << "Cumulative[1]"
                << "  " << std::setw(16) << "Cumulative[2]"
                << "  " << std::setw(16) << "Cumulative[3]"
                << std::endl;
        for (unsigned int i = 0; i<debugResults.NumSlots; ++i) {
            std::cout << std::left
                << std::setw(col1) << cuNameportNames[i].first
                << " " << std::setw(col2) << cuNameportNames[i].second
                << "  " << std::setw(16) << std::hex << debugResults.OverallStatus[i]
                << "  " << std::setw(16) << std::hex << debugResults.SnapshotStatus[i][0]
                << "  " << std::setw(16) << std::hex << debugResults.SnapshotStatus[i][1]
                << "  " << std::setw(16) << std::hex << debugResults.SnapshotStatus[i][2]
                << "  " << std::setw(16) << std::hex << debugResults.SnapshotStatus[i][3]
                << "  " << std::setw(16) << std::hex << debugResults.CumulativeStatus[i][0]
                << "  " << std::setw(16) << std::hex << debugResults.CumulativeStatus[i][1]
                << "  " << std::setw(16) << std::hex << debugResults.CumulativeStatus[i][2]
                << "  " << std::setw(16) << std::hex << debugResults.CumulativeStatus[i][3]
                << std::dec << std::endl;
        }
    }
    return 0;
}