示例#1
0
def test_swl_only(nvme0: d.Controller, nvme0n1: d.Namespace, verify):
    logging.info("format")
    nvme0n1.format(512)

    io_size = 128
    ns_size = nvme0n1.id_data(7, 0)
    io_count = ns_size//io_size
    logging.info("fill whole drive")
    nvme0n1.ioworker(io_size=io_size,
                     lba_random=False,
                     io_count=io_count,
                     read_percentage=0).start().close()
    
    io_per_second = []
    logging.info("write hot sequential data")
    # 10GB seq write
    nvme0n1.ioworker(io_size=8,
                     lba_random=False,
                     region_end=10*1024*1024*1024//512, #10GB
                     read_percentage=0,
                     time=10*3600,
                     output_io_per_second=io_per_second).start().close()
    logging.info(io_per_second)

    logging.info("verify whole drive")
    nvme0n1.ioworker(io_size=io_size,
                     lba_random=False,
                     io_count=io_count,
                     read_percentage=100).start().close()

    plt.plot(io_per_second)
    plt.ylim(bottom=0)
    plt.xlim(left=0)
    plt.show()
示例#2
0
def test_write_and_read_to_eol(nvme0, subsystem, nvme0n1: d.Namespace, verify):
    assert verify
    
    # format drive
    nvme0n1.format()
    lba_count = nvme0n1.id_data(7, 0)

    # test for PE cycles
    for i in range(TEST_LOOPS):
        logging.info(f"loop {i} start")

        # write 1 pass of whole drive
        io_size = 64*1024//512  # 64KB
        write_start = time.time()
        nvme0n1.ioworker(io_size, io_size, False, 0, io_count=lba_count//io_size).start().close()
        write_duration = time.time()-write_start
        logging.info("full drive write %d seconds" % write_duration)
        assert write_duration < 1800

        # power cycle
        subsystem.power_cycle(15)
        
        # read part of drive
        read_time = 1800-write_duration
        nvme0n1.ioworker(io_size, io_size, False, 100, read_time, region_end=lba_count//100).start().close()
        logging.info(f"loop {i} finish")
        
        # power cycle
        subsystem.power_cycle(15)
示例#3
0
def test_swl_with_gc(nvme0: d.Controller, nvme0n1: d.Namespace, verify):
    import matplotlib.pyplot as plt

    logging.info("format")
    nvme0n1.format(512)

    io_size = 128
    ns_size = nvme0n1.id_data(7, 0)
    io_count = ns_size // io_size
    logging.info("fill whole drive")
    nvme0n1.ioworker(io_size=io_size,
                     lba_random=False,
                     io_count=io_count,
                     read_percentage=0).start().close()

    distribution = [0] * 100
    for i in [0, 3, 11, 28, 60, 71, 73, 88, 92, 98]:
        distribution[i] = 1000
    io_per_second = []
    logging.info("write hot random data")
    r = nvme0n1.ioworker(io_size=8,
                         lba_random=True,
                         distribution=distribution,
                         read_percentage=0,
                         time=10 * 3600,
                         output_io_per_second=io_per_second).start().close()
    logging.info(io_per_second)
    logging.info(r)

    logging.info("verify whole drive")
    nvme0n1.ioworker(io_size=io_size,
                     lba_random=False,
                     io_count=io_count,
                     read_percentage=100).start().close()

    plt.plot(io_per_second)
    plt.ylim(bottom=0)
    plt.show()