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How to use get_client_log method in autotest

Best Python code snippet using autotest_python
clusterperf.py
Source:clusterperf.py
...63    in a command line, such as "--name1 value1 --name2 value2"64    """65    return " ".join(["%s %s" % (name, value)66            for name, value in args.iteritems()])67def get_client_log(68        index = 1                 # Client index (1 for first client,69                                  # which is usually the one that's wanted)70        ):71    """72    Given the index of a client, read the client's log file73    from the current log directory and return its contents,74    ignoring RAMCloud log messages (what's left should be a75    summary of the results from a test.76    """77    globResult = glob.glob('%s/latest/client%d.*.log' %78            (options.log_dir, index))79    if len(globResult) == 0:80        raise Exception("couldn't find log file for client %d" % (index))81    result = "";82    for line in open(globResult[0], 'r'):83        if not re.match('([0-9]+\.[0-9]+) ', line):84            result += line85    return result86def print_cdf_from_log(87        index = 1                 # Client index (0 for first client,88                                  # which is usually the one that's wanted)89        ):90    """91    Given the index of a client, print in gnuplot format a cumulative92    distribution of the data in the client's log file (where "data" consists93    of comma-separated numbers stored in all of the lines of the log file94    that are not RAMCloud log messages). Each line in the printed output95    will contain a fraction and a number, such that the given fraction of all96    numbers in the log file have values less than or equal to the given number.97    """98    # Read the log file into an array of numbers.99    numbers = []100    globResult = glob.glob('%s/latest/client%d*.log' %101            (options.log_dir, index))102    if len(globResult) == 0:103        raise Exception("couldn't find log file for client %d" % (index))104    result = "";105    for line in open(globResult[0], 'r'):106        if not re.match('([0-9]+\.[0-9]+) ', line):107            for value in line.split(","):108                numbers.append(float(value))109    # Generate a CDF from the array.110    numbers.sort()111    result = []112    print("%8.2f    %8.3f" % (0.0, 0.0))113    print("%8.2f    %8.3f" % (numbers[0], 1/len(numbers)))114    for i in range(1, 100):115        print("%8.2f    %8.3f" % (numbers[int(len(numbers)*i/100)], i/100))116    print("%8.2f    %8.3f" % (numbers[int(len(numbers)*999/1000)], .999))117    print("%8.2f    %9.4f" % (numbers[int(len(numbers)*9999/10000)], .9999))118    print("%8.2f    %8.3f" % (numbers[-1], 1.0))119def run_test(120        test,                     # Test object describing the test to run.121        options                   # Command-line options.122        ):123    """124    Run a given test.  The main value provided by this function is to125    prepare a candidate set of options for cluster.run and another set126    for the ClusterPerf clients, based on the command-line options.127    """128    cluster_args = {129        'debug':       options.debug,130        'log_dir':     options.log_dir,131        'log_level':   options.log_level,132        'backups_per_server': options.backups_per_server,133        'num_servers': options.num_servers,134        'replicas':    options.replicas,135        'timeout':     options.timeout,136        'share_hosts': True,137        'transport':   options.transport,138        'replicas':    options.replicas,139        'disjunct':    options.disjunct,140        'verbose':     options.verbose141    }142    client_args = {}143    # Provide a default value for num_servers here.  This is better144    # than defaulting it in the OptionParser below, because tests can145    # see whether or not an actual value was specified and provide a146    # test-specific default.147    if cluster_args['num_servers'] == None:148        # Make sure there are enough servers to meet replica requirements.149        cluster_args['num_servers'] = options.replicas+1150    if options.num_clients != None:151        cluster_args['num_clients'] = options.num_clients152    if options.master_args != None:153        cluster_args['master_args'] = options.master_args154    if options.count != None:155        client_args['--count'] = options.count156    if options.size != None:157        client_args['--size'] = options.size158    if options.warmup != None:159        client_args['--warmup'] = options.warmup160    if options.numIndexlet != None:161        client_args['--numIndexlet'] = options.numIndexlet162    if options.numIndexes != None:163        client_args['--numIndexes'] = options.numIndexes164    test.function(test.name, options, cluster_args, client_args)165#-------------------------------------------------------------------166# Driver functions follow below.  These functions are responsible for167# invoking ClusterPerf via cluster.py, and they collect and print168# result data.  Simple tests can just use the "default" driver function.169#-------------------------------------------------------------------170def default(171        name,                      # Name of this test; passed through172                                   # to ClusterPerf verbatim.173        options,                   # The full set of command-line options.174        cluster_args,              # Proposed set of arguments to pass to175                                   # cluster.run (extracted from options).176                                   # Individual tests can override as177                                   # appropriate for the test.178        client_args,               # Proposed set of arguments to pass to179                                   # ClusterPerf (via cluster.run).180                                   # Individual tests can override as181                                   # needed for the test.182        ):183    """184    This function is used as the invocation function for most tests;185    it simply invokes ClusterPerf via cluster.run and prints the result.186    """187    cluster.run(client='%s/ClusterPerf %s %s' %188            (obj_path, flatten_args(client_args), name), **cluster_args)189    print(get_client_log(), end='')190def basic(name, options, cluster_args, client_args):191    if 'master_args' not in cluster_args:192        cluster_args['master_args'] = '-t 4000'193    if cluster_args['timeout'] < 250:194        cluster_args['timeout'] = 250195    cluster.run(client='%s/ClusterPerf %s %s' %196            (obj_path, flatten_args(client_args), name), **cluster_args)197    print(get_client_log(), end='')198def broadcast(name, options, cluster_args, client_args):199    if 'num_clients' not in cluster_args:200        cluster_args['num_clients'] = 10201    cluster.run(client='%s/ClusterPerf %s %s' %202            (obj_path, flatten_args(client_args), name), **cluster_args)203    print(get_client_log(), end='')204def indexBasic(name, options, cluster_args, client_args):205    if 'master_args' not in cluster_args:206        cluster_args['master_args'] = '--masterServiceThreads 1'207    if cluster_args['timeout'] < 200:208        cluster_args['timeout'] = 200209    # Ensure at least 5 hosts for optimal performance210    if options.num_servers == None:211        cluster_args['num_servers'] = len(hosts)212    # using 20GB for servers so that we don't run out of memory when inserting213    # 10 million objects/index entries214    cluster.run(client='%s/ClusterPerf %s %s' %215            (obj_path, flatten_args(client_args), name), **cluster_args)216    print(get_client_log(), end='')217def indexRange(name, options, cluster_args, client_args):218    if 'master_args' not in cluster_args:219        cluster_args['master_args'] = '--masterServiceThreads 1'220    if cluster_args['timeout'] < 200:221        cluster_args['timeout'] = 200222    # Ensure at least 5 hosts for optimal performance223    if options.num_servers == None:224        cluster_args['num_servers'] = len(hosts)225    # using 20GB for servers so that we don't run out of memory when inserting226    # 10 million objects/index entries227    cluster.run(client='%s/ClusterPerf %s %s' %228            (obj_path, flatten_args(client_args), name), **cluster_args)229    print(get_client_log(), end='')230def indexMultiple(name, options, cluster_args, client_args):231    if 'master_args' not in cluster_args:232        cluster_args['master_args'] = '--masterServiceThreads 1'233    if cluster_args['timeout'] < 2100:234        cluster_args['timeout'] = 200235    # Ensure atleast 15 hosts for optimal performance236    if options.num_servers == None:237        cluster_args['num_servers'] = len(hosts)238    # use a maximum of 10 secondary keys239    if len(hosts) <= 10:240        # Hack until synchronization bug in write RPC handler241        # in MasterService is resolved. This bug prevents us from using more242        # than 1 MasterSerivice thread. However, we need to use more than 1243        # service thread, otherwise if a tablet and its corresponding244        # indexlet end up on the same server, we will have a deadlock.245        # For now, make sure that we never wrap around the server list246        # Once the bug is resolved, we should be able to use len(hosts)247        # for numIndexes248        client_args['--numIndexes'] = len(hosts) - 1249    else:250        client_args['--numIndexes'] = 10251    cluster.run(client='%s/ClusterPerf %s %s' %252               (obj_path, flatten_args(client_args), name), **cluster_args)253    print(get_client_log(), end='')254def indexScalability(name, options, cluster_args, client_args):255    if 'master_args' not in cluster_args:256        cluster_args['master_args'] = '--masterServiceThreads 2'257    if cluster_args['timeout'] < 100:258        cluster_args['timeout'] = 100259    cluster_args['backups_per_server'] = 0260    cluster_args['replicas'] = 0261    # Ensure at least 15 hosts for optimal performance262    if options.num_servers == None:263        cluster_args['num_servers'] = len(hosts)264    if 'num_clients' not in cluster_args:265        cluster_args['num_clients'] = 10266    cluster.run(client='%s/ClusterPerf %s %s' %267            (obj_path, flatten_args(client_args), name), **cluster_args)268    print(get_client_log(), end='')269def multiOp(name, options, cluster_args, client_args):270    if cluster_args['timeout'] < 100:271        cluster_args['timeout'] = 100272    if options.num_servers == None:273        cluster_args['num_servers'] = len(hosts)274    client_args['--numTables'] = cluster_args['num_servers'];275    cluster.run(client='%s/ClusterPerf %s %s' %276            (obj_path, flatten_args(client_args), name),277            **cluster_args)278    print(get_client_log(), end='')279def netBandwidth(name, options, cluster_args, client_args):280    if 'num_clients' not in cluster_args:281        cluster_args['num_clients'] = 2*len(config.hosts)282    if options.num_servers == None:283        cluster_args['num_servers'] = cluster_args['num_clients']284        if cluster_args['num_servers'] > len(config.hosts):285            cluster_args['num_servers'] = len(config.hosts)286    if options.size != None:287        client_args['--size'] = options.size288    else:289        client_args['--size'] = 1024*1024;290    cluster.run(client='%s/ClusterPerf %s %s' %291            (obj_path, flatten_args(client_args), name), **cluster_args)292    print(get_client_log(), end='')293def readAllToAll(name, options, cluster_args, client_args):294    cluster_args['backups_per_server'] = 0295    cluster_args['replicas'] = 0296    if 'num_clients' not in cluster_args:297        cluster_args['num_clients'] = len(hosts)298    if options.num_servers == None:299        cluster_args['num_servers'] = len(hosts)300    client_args['--numTables'] = cluster_args['num_servers'];301    cluster.run(client='%s/ClusterPerf %s %s' %302            (obj_path, flatten_args(client_args), name), **cluster_args)303    print(get_client_log(), end='')304def readDist(name, options, cluster_args, client_args):305    cluster.run(client='%s/ClusterPerf %s %s' %306            (obj_path,  flatten_args(client_args), name),307            **cluster_args)308    print("# Cumulative distribution of time for a single client to read a\n"309          "# single %d-byte object from a single server.  Each line indicates\n"310          "# that a given fraction of all reads took at most a given time\n"311          "# to complete.\n"312          "# Generated by 'clusterperf.py readDist'\n#\n"313          "# Time (usec)  Cum. Fraction\n"314          "#---------------------------"315          % options.size)316    print_cdf_from_log()317def readDistRandom(name, options, cluster_args, client_args):318    cluster.run(client='%s/ClusterPerf %s %s' %319            (obj_path,  flatten_args(client_args), name),320            **cluster_args)321    print("# Cumulative distribution of time for a single client to read a\n"322          "# random %d-byte object from a single server.  Each line indicates\n"323          "# that a given fraction of all reads took at most a given time\n"324          "# to complete.\n"325          "# Generated by 'clusterperf.py readDist'\n#\n"326          "# Time (usec)  Cum. Fraction\n"327          "#---------------------------"328          % options.size)329    print_cdf_from_log()330def readLoaded(name, options, cluster_args, client_args):331    if 'num_clients' not in cluster_args:332        cluster_args['num_clients'] = 20333    cluster.run(client='%s/ClusterPerf %s %s' %334            (obj_path, flatten_args(client_args), name), **cluster_args)335    print(get_client_log(), end='')336def readRandom(name, options, cluster_args, client_args):337    cluster_args['backups_per_server'] = 0338    cluster_args['replicas'] = 0339    if 'num_clients' not in cluster_args:340        cluster_args['num_clients'] = 16 341    if options.num_servers == None:342        cluster_args['num_servers'] = 1343    client_args['--numTables'] = cluster_args['num_servers'];344    cluster.run(client='%s/ClusterPerf %s %s' %345            (obj_path, flatten_args(client_args), name), **cluster_args)346    print(get_client_log(), end='')347# This method is also used for multiReadThroughput348def readThroughput(name, options, cluster_args, client_args):349    if 'master_args' not in cluster_args:350        cluster_args['master_args'] = '-t 2000'351    if cluster_args['timeout'] < 250:352        cluster_args['timeout'] = 250353    if 'num_clients' not in cluster_args:354        cluster_args['num_clients'] = len(hosts) - cluster_args['num_servers']355    if cluster_args['num_clients'] < 2:356        print("Not enough machines in the cluster to run the '%s' benchmark"357                % name)358        print("Need at least %d machines in this configuration" %359                (cluster_args['num_servers'] + 2))360        return361    cluster.run(client='%s/ClusterPerf %s %s' %362            (obj_path, flatten_args(client_args), name), **cluster_args)363    print(get_client_log(), end='')364def writeDist(name, options, cluster_args, client_args):365    if 'master_args' not in cluster_args:366        cluster_args['master_args'] = '-t 2000'367    cluster_args['disjunct'] = True368    cluster.run(client='%s/ClusterPerf %s %s' %369            (obj_path,  flatten_args(client_args), name),370            **cluster_args)371    print("# Cumulative distribution of time for a single client to write a\n"372          "# single %d-byte object from a single server.  Each line indicates\n"373          "# that a given fraction of all writes took at most a given time\n"374          "# to complete.\n"375          "# Generated by 'clusterperf.py %s'\n#\n"376          "# Time (usec)  Cum. Fraction\n"377          "#---------------------------"...
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