Trace Processor Stats

Name Cardinality Type Scope Description
android_log_num_failed kSingle kError kTrace
android_log_num_skipped kSingle kError kTrace
android_log_num_total kSingle kInfo kTrace
counter_events_out_of_order kSingle kError kAnalysis
ftrace_bundle_tokenizer_errors kSingle kError kAnalysis
ftrace_cpu_bytes_read_begin kIndexed kInfo kTrace
ftrace_cpu_bytes_read_end kIndexed kInfo kTrace
ftrace_cpu_commit_overrun_begin kIndexed kError kTrace
ftrace_cpu_commit_overrun_end kIndexed kError kTrace
ftrace_cpu_dropped_events_begin kIndexed kError kTrace
ftrace_cpu_dropped_events_end kIndexed kError kTrace
ftrace_cpu_entries_begin kIndexed kInfo kTrace
ftrace_cpu_entries_end kIndexed kInfo kTrace
ftrace_cpu_now_ts_begin kIndexed kInfo kTrace
ftrace_cpu_now_ts_end kIndexed kInfo kTrace
ftrace_cpu_oldest_event_ts_begin kIndexed kInfo kTrace
ftrace_cpu_oldest_event_ts_end kIndexed kInfo kTrace
ftrace_cpu_overrun_begin kIndexed kInfo kTrace
ftrace_cpu_overrun_end kIndexed kDataLoss kTrace The kernel ftrace buffer cannot keep up with the rate of events produced. Indexed by CPU. This is likely a misconfiguration.
ftrace_cpu_read_events_begin kIndexed kInfo kTrace
ftrace_cpu_read_events_end kIndexed kInfo kTrace
fuchsia_non_numeric_counters kSingle kError kAnalysis
fuchsia_timestamp_overflow kSingle kError kAnalysis
fuchsia_invalid_event kSingle kError kAnalysis
gpu_counters_invalid_spec kSingle kError kAnalysis
gpu_counters_missing_spec kSingle kError kAnalysis
gpu_render_stage_parser_errors kSingle kError kAnalysis
graphics_frame_event_parser_errors kSingle kInfo kAnalysis
guess_trace_type_duration_ns kSingle kInfo kAnalysis
interned_data_tokenizer_errors kSingle kInfo kAnalysis
invalid_clock_snapshots kSingle kError kAnalysis
invalid_cpu_times kSingle kError kAnalysis
meminfo_unknown_keys kSingle kError kAnalysis
mismatched_sched_switch_tids kSingle kError kAnalysis
mm_unknown_type kSingle kError kAnalysis
parse_trace_duration_ns kSingle kInfo kAnalysis
power_rail_unknown_index kSingle kError kTrace
proc_stat_unknown_counters kSingle kError kAnalysis
rss_stat_unknown_keys kSingle kError kAnalysis
rss_stat_negative_size kSingle kInfo kAnalysis
rss_stat_unknown_thread_for_mm_id kSingle kInfo kAnalysis
sched_switch_out_of_order kSingle kError kAnalysis
slice_out_of_order kSingle kError kAnalysis
stackprofile_invalid_string_id kSingle kError kTrace
stackprofile_invalid_mapping_id kSingle kError kTrace
stackprofile_invalid_frame_id kSingle kError kTrace
stackprofile_invalid_callstack_id kSingle kError kTrace
stackprofile_parser_error kSingle kError kTrace
systrace_parse_failure kSingle kError kAnalysis
task_state_invalid kSingle kError kAnalysis
traced_buf_buffer_size kIndexed kInfo kTrace
traced_buf_bytes_overwritten kIndexed kInfo kTrace
traced_buf_bytes_read kIndexed kInfo kTrace
traced_buf_bytes_written kIndexed kInfo kTrace
traced_buf_chunks_discarded kIndexed kInfo kTrace
traced_buf_chunks_overwritten kIndexed kInfo kTrace
traced_buf_chunks_read kIndexed kInfo kTrace
traced_buf_chunks_rewritten kIndexed kInfo kTrace
traced_buf_chunks_written kIndexed kInfo kTrace
traced_buf_chunks_committed_out_of_order kIndexed kInfo kTrace
traced_buf_padding_bytes_cleared kIndexed kInfo kTrace
traced_buf_padding_bytes_written kIndexed kInfo kTrace
traced_buf_patches_failed kIndexed kInfo kTrace
traced_buf_patches_succeeded kIndexed kInfo kTrace
traced_buf_readaheads_failed kIndexed kInfo kTrace
traced_buf_readaheads_succeeded kIndexed kInfo kTrace
traced_buf_trace_writer_packet_loss kIndexed kInfo kTrace
traced_buf_write_wrap_count kIndexed kInfo kTrace
traced_chunks_discarded kSingle kInfo kTrace
traced_data_sources_registered kSingle kInfo kTrace
traced_data_sources_seen kSingle kInfo kTrace
traced_patches_discarded kSingle kInfo kTrace
traced_producers_connected kSingle kInfo kTrace
traced_producers_seen kSingle kInfo kTrace
traced_total_buffers kSingle kInfo kTrace
traced_tracing_sessions kSingle kInfo kTrace
track_event_parser_errors kSingle kInfo kAnalysis
track_event_tokenizer_errors kSingle kInfo kAnalysis
tokenizer_skipped_packets kSingle kInfo kAnalysis
vmstat_unknown_keys kSingle kError kAnalysis
vulkan_allocations_invalid_string_id kSingle kError kTrace
clock_sync_failure kSingle kError kAnalysis
clock_sync_cache_miss kSingle kInfo kAnalysis
process_tracker_errors kSingle kError kAnalysis
json_tokenizer_failure kSingle kError kTrace
heap_graph_invalid_string_id kIndexed kError kTrace
heap_graph_non_finalized_graph kSingle kError kTrace
heap_graph_malformed_packet kIndexed kError kTrace
heap_graph_missing_packet kIndexed kError kTrace
heap_graph_location_parse_error kSingle kError kTrace
heapprofd_buffer_corrupted kIndexed kError kTrace Shared memory buffer corrupted. This is a bug or memory corruption in the target. Indexed by target upid.
heapprofd_hit_guardrail kIndexed kError kTrace HeapprofdConfig specified a CPU or Memory Guardrail that was hit. Indexed by target upid.
heapprofd_buffer_overran kIndexed kDataLoss kTrace The shared memory buffer between the target and heapprofd overran. The profile was truncated early. Indexed by target upid.
heapprofd_client_disconnected kIndexed kInfo kTrace
heapprofd_malformed_packet kIndexed kError kTrace
heapprofd_missing_packet kSingle kError kTrace
heapprofd_rejected_concurrent kIndexed kError kTrace
heapprofd_non_finalized_profile kSingle kError kTrace
metatrace_overruns kSingle kError kTrace
packages_list_has_parse_errors kSingle kError kTrace
packages_list_has_read_errors kSingle kError kTrace
compact_sched_has_parse_errors kSingle kError kTrace
misplaced_end_event kSingle kDataLoss kAnalysis
sched_waking_out_of_order kSingle kError kAnalysis
compact_sched_switch_skipped kSingle kInfo kAnalysis
compact_sched_waking_skipped kSingle kInfo kAnalysis
empty_chrome_metadata kSingle kError kTrace
perf_cpu_lost_records kIndexed kDataLoss kTrace
ninja_parse_errors kSingle kError kTrace
perf_samples_skipped kSingle kInfo kTrace
perf_samples_skipped_dataloss kSingle kDataLoss kTrace
thread_time_in_state_out_of_order kSingle kError kAnalysis