ddtrace Datadog PHP tracer extension For help, check out the documentation at https://docs.datadoghq.com/tracing/languages/php/ (c) Datadog 2020 Datadog tracing support => enabled Version => 0.54.0 DATADOG TRACER CONFIGURATION => {"date":"2021-01-21T06:25:49Z","os_name":"Linux builder.remirepo.net 5.10.8-200.fc33.x86_64 #1 SMP Sun Jan 17 19:53:01 UTC 2021 x86_64","os_version":"5.10.8-200.fc33.x86_64","version":"0.54.0","lang":"php","lang_version":"7.4.14","env":null,"enabled":true,"service":null,"enabled_cli":false,"agent_url":"http://localhost:8126","debug":false,"analytics_enabled":false,"sample_rate":1.000000,"sampling_rules":null,"tags":null,"service_mapping":null,"distributed_tracing_enabled":true,"priority_sampling_enabled":true,"dd_version":null,"architecture":"x86_64","sapi":"cli","ddtrace.request_init_hook":"/usr/share/pear/datadog_trace/bridge/dd_wrap_autoloader.php","open_basedir_configured":false,"uri_fragment_regex":null,"uri_mapping_incoming":null,"uri_mapping_outgoing":null,"auto_flush_enabled":false,"generate_root_span":true,"http_client_split_by_domain":false,"measure_compile_time":true,"report_hostname_on_root_span":false,"traced_internal_functions":null,"auto_prepend_file_configured":false,"integrations_disabled":null,"enabled_from_env":true,"opcache.file_cache":null,"agent_error":"Failed to connect to localhost port 8126: Connection refused"} Diagnostics agent_error => Failed to connect to localhost port 8126: Connection refused Diagnostic checks => failed Directive => Local Value => Master Value ddtrace.disable => Off => Off ddtrace.request_init_hook => /usr/share/pear/datadog_trace/bridge/dd_wrap_autoloader.php => /usr/share/pear/datadog_trace/bridge/dd_wrap_autoloader.php