Trace Processor Stats

NameCardinalityType ScopeDescription
android_log_num_failed kSinglekErrorkTrace
android_log_num_skipped kSinglekInfokTrace
android_log_num_total kSinglekInfokTrace
counter_events_out_of_order kSinglekErrorkAnalysis
ftrace_bundle_tokenizer_errors kSinglekErrorkAnalysis
deobfuscate_location_parse_error kSinglekErrorkTrace
ftrace_cpu_bytes_read_begin kIndexedkInfokTrace
ftrace_cpu_bytes_read_end kIndexedkInfokTrace
ftrace_cpu_commit_overrun_begin kIndexedkErrorkTrace
ftrace_cpu_commit_overrun_end kIndexedkErrorkTrace
ftrace_cpu_dropped_events_begin kIndexedkErrorkTrace
ftrace_cpu_dropped_events_end kIndexedkErrorkTrace
ftrace_cpu_entries_begin kIndexedkInfokTrace
ftrace_cpu_entries_end kIndexedkInfokTrace
ftrace_cpu_now_ts_begin kIndexedkInfokTrace
ftrace_cpu_now_ts_end kIndexedkInfokTrace
ftrace_cpu_oldest_event_ts_begin kIndexedkInfokTrace
ftrace_cpu_oldest_event_ts_end kIndexedkInfokTrace
ftrace_cpu_overrun_begin kIndexedkInfokTrace
ftrace_cpu_overrun_end kIndexedkDataLosskTrace 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 kIndexedkInfokTrace
ftrace_cpu_read_events_end kIndexedkInfokTrace
fuchsia_non_numeric_counters kSinglekErrorkAnalysis
fuchsia_timestamp_overflow kSinglekErrorkAnalysis
fuchsia_invalid_event kSinglekErrorkAnalysis
gpu_counters_invalid_spec kSinglekErrorkAnalysis
gpu_counters_missing_spec kSinglekErrorkAnalysis
gpu_render_stage_parser_errors kSinglekErrorkAnalysis
graphics_frame_event_parser_errors kSinglekInfokAnalysis
guess_trace_type_duration_ns kSinglekInfokAnalysis
interned_data_tokenizer_errors kSinglekInfokAnalysis
invalid_clock_snapshots kSinglekErrorkAnalysis
invalid_cpu_times kSinglekErrorkAnalysis
meminfo_unknown_keys kSinglekErrorkAnalysis
mismatched_sched_switch_tids kSinglekErrorkAnalysis
mm_unknown_type kSinglekErrorkAnalysis
parse_trace_duration_ns kSinglekInfokAnalysis
power_rail_unknown_index kSinglekErrorkTrace
proc_stat_unknown_counters kSinglekErrorkAnalysis
rss_stat_unknown_keys kSinglekErrorkAnalysis
rss_stat_negative_size kSinglekInfokAnalysis
rss_stat_unknown_thread_for_mm_id kSinglekInfokAnalysis
sched_switch_out_of_order kSinglekErrorkAnalysis
slice_out_of_order kSinglekErrorkAnalysis
flow_duplicate_id kSinglekErrorkTrace
flow_no_enclosing_slice kSinglekErrorkTrace
flow_step_without_start kSinglekInfokTrace
flow_end_without_start kSinglekInfokTrace
flow_invalid_id kSinglekErrorkTrace
flow_without_direction kSinglekErrorkTrace
stackprofile_invalid_string_id kSinglekErrorkTrace
stackprofile_invalid_mapping_id kSinglekErrorkTrace
stackprofile_invalid_frame_id kSinglekErrorkTrace
stackprofile_invalid_callstack_id kSinglekErrorkTrace
stackprofile_parser_error kSinglekErrorkTrace
systrace_parse_failure kSinglekErrorkAnalysis
task_state_invalid kSinglekErrorkAnalysis
traced_buf_buffer_size kIndexedkInfokTrace
traced_buf_bytes_overwritten kIndexedkInfokTrace
traced_buf_bytes_read kIndexedkInfokTrace
traced_buf_bytes_written kIndexedkInfokTrace
traced_buf_chunks_discarded kIndexedkInfokTrace
traced_buf_chunks_overwritten kIndexedkInfokTrace
traced_buf_chunks_read kIndexedkInfokTrace
traced_buf_chunks_rewritten kIndexedkInfokTrace
traced_buf_chunks_written kIndexedkInfokTrace
traced_buf_chunks_committed_out_of_order \ kIndexedkInfokTrace
traced_buf_padding_bytes_cleared kIndexedkInfokTrace
traced_buf_padding_bytes_written kIndexedkInfokTrace
traced_buf_patches_failed kIndexedkInfokTrace
traced_buf_patches_succeeded kIndexedkInfokTrace
traced_buf_readaheads_failed kIndexedkInfokTrace
traced_buf_readaheads_succeeded kIndexedkInfokTrace
traced_buf_trace_writer_packet_loss kIndexedkInfokTrace
traced_buf_write_wrap_count kIndexedkInfokTrace
traced_chunks_discarded kSinglekInfokTrace
traced_data_sources_registered kSinglekInfokTrace
traced_data_sources_seen kSinglekInfokTrace
traced_patches_discarded kSinglekInfokTrace
traced_producers_connected kSinglekInfokTrace
traced_producers_seen kSinglekInfokTrace
traced_total_buffers kSinglekInfokTrace
traced_tracing_sessions kSinglekInfokTrace
track_event_parser_errors kSinglekInfokAnalysis
track_event_tokenizer_errors kSinglekInfokAnalysis
tokenizer_skipped_packets kSinglekInfokAnalysis
vmstat_unknown_keys kSinglekErrorkAnalysis
vulkan_allocations_invalid_string_id \ kSinglekErrorkTrace
clock_sync_failure kSinglekErrorkAnalysis
clock_sync_cache_miss kSinglekInfokAnalysis
process_tracker_errors kSinglekErrorkAnalysis
json_tokenizer_failure kSinglekErrorkTrace
heap_graph_invalid_string_id kIndexedkErrorkTrace
heap_graph_non_finalized_graph kSinglekErrorkTrace
heap_graph_malformed_packet kIndexedkErrorkTrace
heap_graph_missing_packet kIndexedkErrorkTrace
heapprofd_buffer_corrupted kIndexedkErrorkTrace Shared memory buffer corrupted. This is a bug or memory corruption in the target. Indexed by target upid.
heapprofd_hit_guardrail kIndexedkErrorkTrace HeapprofdConfig specified a CPU or Memory Guardrail that was hit. Indexed by target upid.
heapprofd_buffer_overran kIndexedkDataLosskTrace The shared memory buffer between the target and heapprofd overran. The profile was truncated early. Indexed by target upid.
heapprofd_client_disconnected kIndexedkInfokTrace
heapprofd_malformed_packet kIndexedkErrorkTrace
heapprofd_missing_packet kSinglekErrorkTrace
heapprofd_rejected_concurrent kIndexedkErrorkTrace
heapprofd_non_finalized_profile kSinglekErrorkTrace
metatrace_overruns kSinglekErrorkTrace
packages_list_has_parse_errors kSinglekErrorkTrace
packages_list_has_read_errors kSinglekErrorkTrace
compact_sched_has_parse_errors kSinglekErrorkTrace
misplaced_end_event kSinglekDataLosskAnalysis
sched_waking_out_of_order kSinglekErrorkAnalysis
compact_sched_switch_skipped kSinglekInfokAnalysis
compact_sched_waking_skipped kSinglekInfokAnalysis
empty_chrome_metadata kSinglekErrorkTrace
perf_cpu_lost_records kIndexedkDataLosskTrace
ninja_parse_errors kSinglekErrorkTrace
perf_samples_skipped kSinglekInfokTrace
perf_samples_skipped_dataloss kSinglekDataLosskTrace
thread_time_in_state_out_of_order kSinglekErrorkAnalysis
thread_time_in_state_unknown_cpu_freq \ kSinglekErrorkAnalysis