Package libtracefs

Library for access kernel tracefs

https://git.kernel.org/pub/scm/libs/libtrace/libtracefs.git/

libtracefs is a library for accessing kernel tracefs

Version: 1.8.0

General Commands

sqlhist Tool that uses SQL language to create / show creation of tracefs histograms and synthetic events.

Library Functions

libtracefs Linux kernel trace file system library
tracefs_binary_close alias for tracefs_binary_init
tracefs_binary_init Open, close and write binary data in the trace buffer.
tracefs_binary_write alias for tracefs_binary_init
tracefs_buffer_stat_bytes alias for tracefs_instance_get_stat
tracefs_buffer_stat_commit_overrun alias for tracefs_instance_get_stat
tracefs_buffer_stat_dropped_events alias for tracefs_instance_get_stat
tracefs_buffer_stat_entries alias for tracefs_instance_get_stat
tracefs_buffer_stat_event_timestamp alias for tracefs_instance_get_stat
tracefs_buffer_stat_overrun alias for tracefs_instance_get_stat
tracefs_buffer_stat_read_events alias for tracefs_instance_get_stat
tracefs_buffer_stat_timestamp alias for tracefs_instance_get_stat
tracefs_cpu_alloc_fd alias for tracefs_cpu_open
tracefs_cpu_buffered_read alias for tracefs_cpu_read_size
tracefs_cpu_buffered_read_buf alias for tracefs_cpu_read_buf
tracefs_cpu_close alias for tracefs_cpu_open
tracefs_cpu_flush alias for tracefs_cpu_read_size
tracefs_cpu_flush_buf alias for tracefs_cpu_read_buf
tracefs_cpu_flush_write alias for tracefs_cpu_read_size
tracefs_cpu_free_fd alias for tracefs_cpu_open
tracefs_cpu_is_mapped alias for tracefs_cpu_open_mapped
tracefs_cpu_map alias for tracefs_cpu_open_mapped
tracefs_cpu_open Opening trace_pipe_raw data for reading
tracefs_cpu_open_mapped Memory mapping of the ring buffer
tracefs_cpu_pipe alias for tracefs_cpu_read_size
tracefs_cpu_read alias for tracefs_cpu_read_size
tracefs_cpu_read_buf Reading trace_pipe_raw data returning a kbuffer
tracefs_cpu_read_size Reading trace_pipe_raw data
tracefs_cpu_snapshot_open alias for tracefs_cpu_open
tracefs_cpu_stop alias for tracefs_cpu_read_size
tracefs_cpu_unmap alias for tracefs_cpu_open_mapped
tracefs_cpu_write alias for tracefs_cpu_read_size
tracefs_debug_dir alias for tracefs_get_tracing_file
tracefs_dir_exists alias for tracefs_file_exists
tracefs_dynevent_create Create, destroy, free and get dynamic events.
tracefs_dynevent_destroy alias for tracefs_dynevent_create
tracefs_dynevent_destroy_all alias for tracefs_dynevent_create
tracefs_dynevent_free alias for tracefs_dynevent_create
tracefs_dynevent_get alias for tracefs_dynevent_create
tracefs_dynevent_get_all alias for tracefs_dynevent_create
tracefs_dynevent_get_event alias for tracefs_dynevent_create
tracefs_dynevent_info alias for tracefs_dynevent_create
tracefs_dynevent_list_free alias for tracefs_dynevent_create
tracefs_eprobe_alloc Allocate new event probe (eprobe)
tracefs_error_all alias for tracefs_error_last
tracefs_error_clear alias for tracefs_error_last
tracefs_error_last functions to read and clear the tracefs error log.
tracefs_event_disable alias for tracefs_event_systems
tracefs_event_enable alias for tracefs_event_systems
tracefs_event_file_append alias for tracefs_event_get_file
tracefs_event_file_clear alias for tracefs_event_get_file
tracefs_event_file_exists alias for tracefs_event_get_file
tracefs_event_file_read alias for tracefs_event_get_file
tracefs_event_file_write alias for tracefs_event_get_file
tracefs_event_filter_apply alias for tracefs_filter_string_append
tracefs_event_filter_clear alias for tracefs_filter_string_append
tracefs_event_get_file Work with trace event files.
tracefs_event_is_enabled alias for tracefs_event_systems
tracefs_event_systems Work with trace systems and events.
tracefs_file_exists Work with files directories in tracing instances.
tracefs_fill_local_events alias for tracefs_local_events
tracefs_filter_functions alias for tracefs_function_filter
tracefs_filter_pid_events alias for tracefs_filter_pid_function
tracefs_filter_pid_events_clear alias for tracefs_filter_pid_function
tracefs_filter_pid_function Add and remove PID filtering for functions and events
tracefs_filter_pid_function_clear alias for tracefs_filter_pid_function
tracefs_filter_string_append Add, verify and apply event filters
tracefs_filter_string_verify alias for tracefs_filter_string_append
tracefs_find_cid_pid helper functions to handle tracing guests
tracefs_follow_event alias for tracefs_iterate_raw_events
tracefs_follow_event_clear alias for tracefs_iterate_raw_events
tracefs_follow_missed_events alias for tracefs_iterate_raw_events
tracefs_follow_missed_events_clear alias for tracefs_iterate_raw_events
tracefs_function_filter Functions to modify the the function trace filters
tracefs_function_notrace alias for tracefs_function_filter
tracefs_get_clock alias for tracefs_tracers
tracefs_get_tracing_file Find and set locations of trace directory and files.
tracefs_hist_add_key alias for tracefs_hist_alloc
tracefs_hist_add_key_cnt alias for tracefs_hist_alloc
tracefs_hist_add_name alias for tracefs_hist_add_sort_key
tracefs_hist_add_sort_key Update and describe an event histogram
tracefs_hist_add_value alias for tracefs_hist_alloc
tracefs_hist_alloc Create and destroy event histograms
tracefs_hist_alloc_2d alias for tracefs_hist_alloc
tracefs_hist_alloc_nd alias for tracefs_hist_alloc
tracefs_hist_alloc_nd_cnt alias for tracefs_hist_alloc
tracefs_hist_append_filter alias for tracefs_hist_add_sort_key
tracefs_hist_command alias for tracefs_hist_add_sort_key
tracefs_hist_continue alias for tracefs_hist_start
tracefs_hist_destroy alias for tracefs_hist_start
tracefs_hist_echo_cmd alias for tracefs_hist_add_sort_key
tracefs_hist_free alias for tracefs_hist_alloc
tracefs_hist_get_event alias for tracefs_hist_add_sort_key
tracefs_hist_get_name alias for tracefs_hist_add_sort_key
tracefs_hist_get_system alias for tracefs_hist_add_sort_key
tracefs_hist_pause alias for tracefs_hist_start
tracefs_hist_reset alias for tracefs_hist_start
tracefs_hist_set_sort_key alias for tracefs_hist_add_sort_key
tracefs_hist_sort_key_direction alias for tracefs_hist_add_sort_key
tracefs_hist_start Pause, continue, or clear an existing histogram
tracefs_instance_alloc alias for tracefs_instance_create
tracefs_instance_clear alias for tracefs_instance_create
tracefs_instance_create Manage trace instances.
tracefs_instance_destroy alias for tracefs_instance_create
tracefs_instance_exists alias for tracefs_instance_get_name
tracefs_instance_file_append alias for tracefs_instance_file_open
tracefs_instance_file_clear alias for tracefs_instance_file_open
tracefs_instance_file_open Work with files in tracing instances.
tracefs_instance_file_read alias for tracefs_instance_file_open
tracefs_instance_file_read_number alias for tracefs_instance_file_open
tracefs_instance_file_write alias for tracefs_instance_file_open
tracefs_instance_file_write_number alias for tracefs_instance_file_open
tracefs_instance_find_cid_pid alias for tracefs_find_cid_pid
tracefs_instance_free alias for tracefs_instance_create
tracefs_instance_get_affinity alias for tracefs_instance_set_affinity
tracefs_instance_get_affinity_raw alias for tracefs_instance_set_affinity
tracefs_instance_get_affinity_set alias for tracefs_instance_set_affinity
tracefs_instance_get_buffer_percent alias for tracefs_instance_get_name
tracefs_instance_get_buffer_size alias for tracefs_instance_get_name
tracefs_instance_get_dir alias for tracefs_file_exists
tracefs_instance_get_file alias for tracefs_file_exists
tracefs_instance_get_name Helper functions for working with tracing instances.
tracefs_instance_get_stat Handling tracing buffer stats
tracefs_instance_get_subbuf_size Helper functions for working with ring buffer sub buffers.
tracefs_instance_get_trace_dir alias for tracefs_instance_get_name
tracefs_instance_is_new alias for tracefs_instance_create
tracefs_instance_put_stat alias for tracefs_instance_get_stat
tracefs_instance_reset alias for tracefs_instance_create
tracefs_instance_set_affinity Sets or retrieves the affinity for an instance or top level for what CPUs enable tracing.
tracefs_instance_set_affinity_raw alias for tracefs_instance_set_affinity
tracefs_instance_set_affinity_set alias for tracefs_instance_set_affinity
tracefs_instance_set_buffer_percent alias for tracefs_instance_get_name
tracefs_instance_set_buffer_size alias for tracefs_instance_get_name
tracefs_instance_set_subbuf_size alias for tracefs_instance_get_subbuf_size
tracefs_instance_tracers Enable or disable a tracer in an instance or the top level
tracefs_instances alias for tracefs_instance_create
tracefs_instances_walk alias for tracefs_instance_get_name
tracefs_iterate_raw_events Iterate over events in the ring buffer
tracefs_iterate_snapshot_events alias for tracefs_iterate_raw_events
tracefs_iterate_stop alias for tracefs_iterate_raw_events
tracefs_kprobe_alloc Allocate, get, create, and remove kprobes
tracefs_kprobe_destroy alias for tracefs_kprobe_alloc
tracefs_kprobe_raw alias for tracefs_kprobe_alloc
tracefs_kretprobe_alloc alias for tracefs_kprobe_alloc
tracefs_kretprobe_raw alias for tracefs_kprobe_alloc
tracefs_list_add alias for tracefs_tracers
tracefs_list_free alias for tracefs_tracers
tracefs_list_size alias for tracefs_tracers
tracefs_load_cmdlines alias for tracefs_local_events
tracefs_load_headers alias for tracefs_local_events
tracefs_local_events Initialize a tep handler with trace events from the local system.
tracefs_local_events_system alias for tracefs_local_events
tracefs_mapped_is_supported alias for tracefs_cpu_open_mapped
tracefs_option_disable alias for tracefs_option_enable
tracefs_option_enable Various trace option functions.
tracefs_option_id alias for tracefs_options_get_supported
tracefs_option_is_enabled alias for tracefs_options_get_supported
tracefs_option_is_supported alias for tracefs_options_get_supported
tracefs_option_mask_is_set alias for tracefs_options_get_supported
tracefs_option_name alias for tracefs_option_enable
tracefs_options ftrace options, that can be controlled using tracefs library.
tracefs_options_get_enabled alias for tracefs_options_get_supported
tracefs_options_get_supported Get and check ftrace options.
tracefs_print_close alias for tracefs_print_init
tracefs_print_init Open, close and write formated strings in the trace buffer.
tracefs_printf alias for tracefs_print_init
tracefs_put_tracing_file alias for tracefs_get_tracing_file
tracefs_set_loglevel Set log level of the library
tracefs_set_tracing_dir alias for tracefs_get_tracing_file
tracefs_snapshot_clear alias for tracefs_snapshot_snap
tracefs_snapshot_free alias for tracefs_snapshot_snap
tracefs_snapshot_snap API to create, clear and read snapshots
tracefs_sql Create a synthetic event via an SQL statement
tracefs_synth_add_compare_field alias for tracefs_synth_alloc
tracefs_synth_add_end_field alias for tracefs_synth_alloc
tracefs_synth_add_match_field alias for tracefs_synth_alloc
tracefs_synth_add_start_field alias for tracefs_synth_alloc
tracefs_synth_alloc Creation of a synthetic event descriptor
tracefs_synth_append_end_filter alias for tracefs_synth_alloc
tracefs_synth_append_start_filter alias for tracefs_synth_alloc
tracefs_synth_complete alias for tracefs_synth_create
tracefs_synth_create Creation of synthetic events
tracefs_synth_destroy alias for tracefs_synth_create
tracefs_synth_echo_cmd Retrieve data of synthetic events.
tracefs_synth_free alias for tracefs_synth_alloc
tracefs_synth_get_event alias for tracefs_synth_echo_cmd
tracefs_synth_get_name alias for tracefs_synth_echo_cmd
tracefs_synth_get_start_hist alias for tracefs_synth_echo_cmd
tracefs_synth_raw_fmt alias for tracefs_synth_echo_cmd
tracefs_synth_save alias for tracefs_synth_create
tracefs_synth_set_instance alias for tracefs_synth_create
tracefs_synth_show_end_hist alias for tracefs_synth_echo_cmd
tracefs_synth_show_event alias for tracefs_synth_echo_cmd
tracefs_synth_show_start_hist alias for tracefs_synth_echo_cmd
tracefs_synth_snapshot alias for tracefs_synth_create
tracefs_synth_trace alias for tracefs_synth_create
tracefs_system_events alias for tracefs_event_systems
tracefs_time_conversion alias for tracefs_find_cid_pid
tracefs_trace_is_on Functions to enable or disable tracing.
tracefs_trace_off alias for tracefs_trace_is_on
tracefs_trace_off_fd alias for tracefs_trace_is_on
tracefs_trace_on alias for tracefs_trace_is_on
tracefs_trace_on_fd alias for tracefs_trace_is_on
tracefs_trace_on_get_fd alias for tracefs_trace_is_on
tracefs_trace_pipe_print alias for tracefs_trace_pipe_stream
tracefs_trace_pipe_stop alias for tracefs_trace_pipe_stream
tracefs_trace_pipe_stream redirect the stream of trace data to an output or stdout.
tracefs_tracer_available alias for tracefs_tracers
tracefs_tracer_clear alias for tracefs_instance_tracers
tracefs_tracer_set alias for tracefs_instance_tracers
tracefs_tracers Helper functions for working with trace file system.
tracefs_tracing_dir alias for tracefs_get_tracing_file
tracefs_tracing_dir_is_mounted alias for tracefs_get_tracing_file
tracefs_uprobe_alloc Allocate new user (return) probe
tracefs_uretprobe_alloc alias for tracefs_uprobe_alloc
tracefs_vprintf alias for tracefs_print_init