Find below the list of out-of-the-box tracing metrics sent by the Datadog Agent when APM is enabled. Import the APM monitoring dashboard in your Datadog account in order to get an out of the box dashboard exploiting most of those metrics.
| METRIC NAME | TYPE | DESCRIPTION |
|---|---|---|
| datadog.trace_agent.cpu_percent | Gauge | CPU usage (in cores), e.g. 50 (half a core), 200 (two cores), 250 (2.5 cores) |
| datadog.trace_agent.events.max_eps.current_rate | Gauge | Count of APM Events per second received by the Agent |
| datadog.trace_agent.events.max_eps.max_rate | Gauge | Same as the Agent config’s max_events_per_second parameter. |
| datadog.trace_agent.events.max_eps.reached_max | Gauge | Is set to 1 every time max_events_per_second is reached, otherwise it’s 0. |
| datadog.trace_agent.events.max_eps.sample_rate | Gauge | Sample rate applied by the Agent to Events it received |
| datadog.trace_agent.heap_alloc | Gauge | Heap allocations as reported by the Go runtime. |
| datadog.trace_agent.heartbeat | Gauge | Increment by one every 10 seconds. |
| datadog.trace_agent.normalizer.spans_malformed | Count | Number of spans having malformed fields that had to be altered in order for the system to accept them |
| datadog.trace_agent.obfuscations | Count | Increment by one every time an SQL obfuscation happens. |
| datadog.trace_agent.panic | Gauge | Increment by one on every code panic. |
| datadog.trace_agent.ratelimit | Gauge | If lower than 1, it means payloads are being refused due to high resource usage (cpu or memory). |
| datadog.trace_agent.receiver.error | Count | Number of times that the API rejected a payload due to an error in either decoding, formatting or other. |
| datadog.trace_agent.receiver.events_extracted | Count | Total APM events sampled. |
| datadog.trace_agent.receiver.events_sampled | Count | Total APM events sampled by the `max_events_per_second parameter sampler. | |
| datadog.trace_agent.receiver.oom_kill | Count | Number of times the Agent killed itself due to excessive memory use (150% of max_memory). |
| datadog.trace_agent.receiver.out_chan_fill | Gauge | Internal metric. Percentage of fill on the receiver’s output channel. |
| datadog.trace_agent.receiver.payload_accepted | Count | Number of payloads accepted by the Agent. |
| datadog.trace_agent.receiver.payload_refused | Count | Number of payloads rejected by the receiver because of the sampling. |
| datadog.trace_agent.receiver.spans_dropped | Count | Total bytes of payloads dropped by the Agent. |
| datadog.trace_agent.receiver.spans_filtered | Count | Total bytes of payloads filtered by the Agent |
| datadog.trace_agent.receiver.spans_received | Count | Total bytes of payloads received by the Agent. |
| datadog.trace_agent.receiver.tcp_connections | Count | Number of TCP connections coming in to the agent. |
| datadog.trace_agent.receiver.trace | Count | Number of traces received and accepted. |
| datadog.trace_agent.receiver.traces_bytes | Count | Total bytes of payloads accepted by the Agent. |
| datadog.trace_agent.receiver.traces_dropped | Count | Traces dropped due to normalization errors. |
| datadog.trace_agent.receiver.traces_filtered | Count | Traces filtered by ignored resources (as defined in datadog.yaml file). |
| datadog.trace_agent.receiver.traces_priority | Count | Traces processed by priority sampler that have the priority tag. |
| datadog.trace_agent.receiver.traces_received | Count | Number of traces received and accepted. |
| datadog.trace_agent.service_writer.services | Count | Number of services flushed. |
| datadog.trace_agent.started | Count | Increment by one every time the Agent starts. |
| datadog.trace_agent.stats_writer.bytes | Count | Number of bytes sent (calculated after Gzip). |
| datadog.trace_agent.stats_writer.connection_fill | Histogram | Percentage of outgoing connections used. |
| datadog.trace_agent.stats_writer.dropped | Count | Number of payloads dropped due to non retriable HTTP errors. |
| datadog.trace_agent.stats_writer.dropped_bytes | Count | Number of bytes dropped due to non retriable HTTP errors. |
| datadog.trace_agent.stats_writer.encode_ms | Histogram | Time it took to encode a stats payload. |
| datadog.trace_agent.stats_writer.errors | Count | Errors that could not be retried. |
| datadog.trace_agent.stats_writer.queue_fill | Histogram | Percentage of queue filled. |
| datadog.trace_agent.stats_writer.retries | Count | Number of retries on failures to the Datadog API |
| datadog.trace_agent.stats_writer.splits | Count | Number of times a payload was split into multiple ones. |
| datadog.trace_agent.stats_writer.stats_buckets | Count | Number of stats buckets flushed. |
| datadog.trace_agent.trace_writer.bytes | Count | Number of bytes sent (calculated after Gzip). |
| datadog.trace_agent.trace_writer.bytes_estimated | Count | Number of bytes estimated by Agent internal algorithm. |
| datadog.trace_agent.trace_writer.bytes_uncompressed | Count | Number of bytes sent (calculated before Gzip). |
| datadog.trace_agent.trace_writer.compress_ms | Gauge | Number of miliseconds it took to compress an encoded trace payload. |
| datadog.trace_agent.trace_writer.connection_fill | Histogram | Percentage of outgoing connections used by the trace writer. |
| datadog.trace_agent.trace_writer.dropped | Count | Number of dropped payloads due to non retriable HTTP errors. |
| datadog.trace_agent.trace_writer.dropped_bytes | Count | Number of dropped bytes due to non retriable HTTP errors. |
| datadog.trace_agent.trace_writer.encode_ms | Gauge | Number of miliseconds it took to encode a trace payload. |
| datadog.trace_agent.trace_writer.errors | Count | Errors that could not be retried. |
| datadog.trace_agent.trace_writer.events | Count | Number of events processed. |
| datadog.trace_agent.trace_writer.flush_duration | Gauge | Time it took to flush a payload to the Datadog API. |
| datadog.trace_agent.trace_writer.payloads | Count | Number of payloads processed. |
| datadog.trace_agent.trace_writer.payloads | Count | Number of payloads sent. |
| datadog.trace_agent.trace_writer.queue_fill | Histogram | Percentage of outgoing payload queue fill. |
| datadog.trace_agent.trace_writer.retries | Count | Number of retries on failures to the Datadog API. |
| datadog.trace_agent.trace_writer.spans | Count | Number of spans processed. |
| datadog.trace_agent.trace_writer.traces | Count | Number of traces processed. |