ERLANG recon使用示例

recon使用

recon:proc_count

(dbdn@192.168.1.78)2>recon:proc_count(message_queue_len, 10).

[{<0.69.0>,0,
[dbdn_sup,
{current_function,{gen_server,loop,6}},
{initial_call,{proc_lib,init_p,5}}]},
{<0.68.0>,0,
[{current_function,{application_master,loop_it,4}},
{initial_call,{application_master,start_it,4}}]},
{<0.67.0>,0,
[{current_function,{application_master,main_loop,2}},
{initial_call,{proc_lib,init_p,5}}]},
{<0.63.0>,0,
[gproc_pool,
{current_function,{gen_server,loop,6}},
{initial_call,{proc_lib,init_p,5}}]},
{<0.62.0>,0,
[gproc_bcast,
{current_function,{gen_server,loop,6}},
{initial_call,{proc_lib,init_p,5}}]},
{<0.61.0>,0,
[gproc_monitor,
{current_function,{gen_server,loop,6}},
{initial_call,{proc_lib,init_p,5}}]},
{<0.60.0>,0,
[gproc,
{current_function,{gen_server,loop,6}},
{initial_call,{proc_lib,init_p,5}}]},
{<0.59.0>,0,
[gproc_sup,
{current_function,{gen_server,loop,6}},
{initial_call,{proc_lib,init_p,5}}]},
{<0.58.0>,0,
[{current_function,{application_master,loop_it,4}},
{initial_call,{application_master,start_it,4}}]},
{<0.57.0>,0,
[{current_function,{application_master,main_loop,2}},
{initial_call,{proc_lib,init_p,5}}]}]

recon:info

(dbdn@192.168.1.78)14> recon:info(0,63,0).

[{meta,
[{registered_name,gproc_pool},
{dictionary,
[{'$ancestors',[gproc_sup,<0.58.0>]},
{'$initial_call',{gproc_pool,init,1}}]},
{group_leader,<0.57.0>},
{status,waiting}]},
{signals,
[{links,[<0.59.0>]},
{monitors,[]},
{monitored_by,[]},
{trap_exit,false}]},
{location,
[{initial_call,{proc_lib,init_p,5}},
{current_stacktrace,
[{gen_server,loop,6,[{file,"gen_server.erl"},{line,360}]},
{proc_lib,init_p_do_apply,3,
[{file,"proc_lib.erl"},{line,239}]}]}]},
{memory_used,
[{memory,1404},
{message_queue_len,0},
{heap_size,233},
{total_heap_size,233},
{garbage_collection,
[{min_bin_vheap_size,46422},
{min_heap_size,233},
{fullsweep_after,65535},
{minor_gcs,0}]}]},
{work,[{reductions,26}]}]

(dbdn@192.168.1.78)15> recon:info(0,63,0, memory_used).

{memory_used,[{memory,1404},
{message_queue_len,0},
{heap_size,233},
{total_heap_size,233},
{garbage_collection,[{min_bin_vheap_size,46422},
{min_heap_size,233},
{fullsweep_after,65535},
{minor_gcs,0}]}]}
(dbdn@192.168.1.78)16> recon:info(0,63,0, message_queue_len).
{message_queue_len,0}

recon:node_stats_print

(dbdn@192.168.1.78)21> recon:node_stats_print(2, 2).

{[{process_count,53},
{run_queue,0},
{error_logger_queue_len,0},
{memory_total,7253048},
{memory_procs,2562688},
{memory_atoms,160023},
{memory_bin,4408},
{memory_ets,172444}],
[{bytes_in,0},
{bytes_out,0},
{gc_count,1},
{gc_words_reclaimed,232},
{reductions,5506},
{scheduler_usage,[{1,0.0},{2,1.0},{3,0.0},{4,0.0}]}]}

recon:bin_leak

(dbdn@192.168.1.78)28> recon:bin_leak(4).

[{<0.29.0>,-3,
[user_drv,
{current_function,{user_drv,server_loop,5}},
{initial_call,{user_drv,server,2}}]},
{<0.32.0>,-1,
[{current_function,{shell,shell_rep,4}},
{initial_call,{erlang,apply,2}}]},
{<0.0.0>,0,
[init,
{current_function,{init,loop,1}},
{initial_call,{otp_ring0,start,2}}]},
{<0.3.0>,0,
[erl_prim_loader,
{current_function,{erl_prim_loader,loop,3}},
{initial_call,{erlang,apply,2}}]}]

Port Info

recon:tcp().
recon:udp().
recon:sctp().
recon:files().
recon:port_types().
recon:inet_count(recv_oct, 5).
recon:inet_count(recv_oct, 5).