<s> """<STR_LIT>""" <EOL> import os <EOL> import logging <EOL> import time <EOL> import sh <EOL> from fabric import api as fab <EOL> from distutils import version as v <EOL> logging . basicConfig ( ) <EOL> logger = logging . getLogger ( '<STR_LIT>' ) <EOL> logger . setLevel ( logging . INFO ) <EOL> PERF_RECORDING_DURATION = <NUM_LIT> <EOL> common_module = None <EOL> def set_common_module ( module ) : <EOL> global common_module <EOL> common_module = module <EOL> def is_enabled ( revision_config = None ) : <EOL> is_compatible = True <EOL> is_enabled = common_module . config . get ( '<STR_LIT>' , False ) <EOL> if revision_config : <EOL> if revision_config . get ( '<STR_LIT>' , '<STR_LIT>' ) == '<STR_LIT>' : <EOL> logger . info ( '<STR_LIT>' ) <EOL> is_compatible = False <EOL> jvm = revision_config . get ( '<STR_LIT>' , '<STR_LIT>' ) <EOL> try : <EOL> jvm = os . path . basename ( jvm ) <EOL> jvm = jvm [ jvm . index ( '<STR_LIT:1>' ) : ] <EOL> if v . LooseVersion ( jvm ) < v . LooseVersion ( '<STR_LIT>' ) : <EOL> logger . info ( '<STR_LIT>' ) <EOL> is_compatible = False <EOL> except ValueError : <EOL> pass <EOL> return is_enabled and is_compatible <EOL> def get_flamegraph_paths ( ) : <EOL> perf_map_agent_path = os . path . expanduser ( '<STR_LIT>' ) <EOL> flamegraph_path = os . path . expanduser ( '<STR_LIT>' ) <EOL> return ( perf_map_agent_path , flamegraph_path ) <EOL> def get_flamegraph_directory ( ) : <EOL> return common_module . config . get ( '<STR_LIT>' , '<STR_LIT>' ) <EOL> @ fab . parallel <EOL> def copy_flamegraph ( local_directory , rev_num ) : <EOL> logger . info ( "<STR_LIT>" ) <EOL> cfg = common_module . config [ '<STR_LIT>' ] [ fab . env . host ] <EOL> host_log_dir = os . path . join ( local_directory , cfg [ '<STR_LIT>' ] ) <EOL> flamegraph_directory = get_flamegraph_directory ( ) <EOL> os . makedirs ( host_log_dir ) <EOL> with fab . settings ( warn_only = True ) : <EOL> fab . get ( os . path . join ( flamegraph_directory , '<STR_LIT>' . format ( rev_num ) ) , host_log_dir ) <EOL> fab . get ( os . path . join ( flamegraph_directory , '<STR_LIT>' . format ( rev_num ) ) , host_log_dir ) <EOL> @ fab . parallel <EOL> def setup ( ) : <EOL> logger . info ( "<STR_LIT>" ) <EOL> flamegraph_directory = get_flamegraph_directory ( ) <EOL> perf_map_agent_path , flamegraph_path = get_flamegraph_paths ( ) <EOL> java_home = common_module . config [ '<STR_LIT>' ] <EOL> common_module . run_python_script ( <EOL> '<STR_LIT>' , <EOL> '<STR_LIT>' , <EOL> '<STR_LIT>' . format ( flamegraph_directory , flamegraph_path , perf_map_agent_path , java_home ) <EOL> ) <EOL> @ fab . parallel <EOL> def ensure_stopped_perf_agent ( ) : <EOL> logger . info ( "<STR_LIT>" ) <EOL> common_module . run_python_script ( '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' ) <EOL> @ fab . parallel <EOL> def stop_perf_agent ( ) : <EOL> logger . info ( "<STR_LIT>" ) <EOL> common_module . run_python_script ( <EOL> '<STR_LIT>' , <EOL> '<STR_LIT>' , <EOL> '<STR_LIT>' . format ( "<STR_LIT>" , '<STR_LIT>' ) <EOL> ) <EOL> flamegraph_directory = get_flamegraph_directory ( ) <EOL> fab . run ( '<STR_LIT>' . format ( os . path . join ( flamegraph_directory , '<STR_LIT:*>' ) ) ) <EOL> @ fab . parallel <EOL> def generate_flamegraph ( rev_num ) : <EOL> logger . info ( "<STR_LIT>" ) <EOL> perf_map_agent_path , flamegraph_path = get_flamegraph_paths ( ) <EOL> java_home = common_module . config [ '<STR_LIT>' ] <EOL> flamegraph_directory = get_flamegraph_directory ( ) <EOL> perf_data_file = os . path . join ( flamegraph_directory , '<STR_LIT>' . format ( rev_num + <NUM_LIT:1> ) ) <EOL> flamegraph_file = os . path . join ( flamegraph_directory , '<STR_LIT>' . format ( rev_num + <NUM_LIT:1> ) ) <EOL> stacks_file = os . path . join ( flamegraph_directory , '<STR_LIT>' ) <EOL> collapsed_file = os . path . join ( flamegraph_directory , '<STR_LIT>' ) <EOL> output = common_module . run_python_script ( <EOL> '<STR_LIT>' , <EOL> '<STR_LIT>' , <EOL> '<STR_LIT>' . format ( "<STR_LIT>" ) <EOL> ) <EOL> cassandra_pids = common_module . parse_output ( output ) <EOL> for host , pid in cassandra_pids . iteritems ( ) : <EOL> with common_module . fab . settings ( hosts = [ host ] ) : <EOL> fab . run ( '<STR_LIT>' . format ( <EOL> java_home = java_home , perf_path = perf_map_agent_path , pid = pid [ <NUM_LIT:0> ] ) ) <EOL> fab . run ( '<STR_LIT>' . format ( perf_data_file , stacks_file ) ) <EOL> fab . run ( ( '<STR_LIT>' <EOL> '<STR_LIT>' <EOL> ) . format ( fg_dir = flamegraph_directory , fg_output = flamegraph_file , <EOL> stacks = stacks_file , collapsed = collapsed_file , fg_path = flamegraph_path ) ) <EOL> fab . run ( '<STR_LIT>' . format ( os . path . join ( flamegraph_directory , '<STR_LIT:*>' ) ) ) <EOL> @ fab . parallel <EOL> def start_perf_agent ( rev_num ) : <EOL> logger . info ( "<STR_LIT>" ) <EOL> perf_map_agent_path , flamegraph_path = get_flamegraph_paths ( ) <EOL> java_home = common_module . config [ '<STR_LIT>' ] <EOL> output = common_module . run_python_script ( <EOL> '<STR_LIT>' , <EOL> '<STR_LIT>' , <EOL> '<STR_LIT>' . format ( "<STR_LIT>" ) <EOL> ) <EOL> cassandra_pids = common_module . parse_output ( output ) <EOL> perf_bin = os . path . join ( os . path . expanduser ( '<STR_LIT>' ) , '<STR_LIT>' ) <EOL> flamegraph_directory = get_flamegraph_directory ( ) <EOL> env_vars = { <EOL> '<STR_LIT>' : "<STR_LIT>" . format ( os . path . join ( java_home , '<STR_LIT>' ) , "<STR_LIT>" ) , <EOL> '<STR_LIT>' : java_home , <EOL> '<STR_LIT>' : flamegraph_path , <EOL> '<STR_LIT>' : PERF_RECORDING_DURATION , <EOL> '<STR_LIT>' : flamegraph_directory , <EOL> '<STR_LIT>' : os . path . join ( flamegraph_directory , '<STR_LIT>' . format ( rev_num + <NUM_LIT:1> ) ) , <EOL> '<STR_LIT>' : os . path . join ( flamegraph_directory , '<STR_LIT>' . format ( rev_num + <NUM_LIT:1> ) ) , <EOL> '<STR_LIT>' : "<STR_LIT>" . format ( flamegraph_directory ) , <EOL> '<STR_LIT>' : "<STR_LIT>" . format ( flamegraph_directory ) <EOL> } <EOL> for host , pid in cassandra_pids . iteritems ( ) : <EOL> with common_module . fab . settings ( hosts = [ host ] ) : <EOL> common_module . runbg ( "<STR_LIT>" . format ( perf_bin = perf_bin , pid = pid [ <NUM_LIT:0> ] ) , env_vars ) </s>
