[Openmrcp-users] OpenMRCP memory allocation

[SP GLE]

Hi,
I removed the mrcp_global_destroy() from the mrcp client I'm writing
and did some valgrind analysis on it.

- Memory is allocated through allocator_alloc (apr_pools.c:300), each
allocation seems to be 8,192 Bytes, which is quite large. Is there a
way to reduce allocation size ?

I would like to use openMRCP inside a process using one object for each
client. In my implementation (C++) there is one object for each MRCP
connection to an MRCP server. Memory pool is common to all objects an
mrcp_global_destroy() will never be called unless on process exit. 

I removed mrcp_global_destroy() from openmrcpclient main demo and
traced memory using valgrind, below are some results. Is it memleaks ?
Some looks like pool allocated at apr_pool initialisation but some are
allocated by OpenMRCP at runtime and not freed.

Regards.
==00:00:01:41.051 28685== 104 bytes in 1 blocks are still reachable in
loss record 5 of 19
==00:00:01:41.052 28685==    at 0x40047D1: malloc
(vg_replace_malloc.c:207)
==00:00:01:41.052 28685==    by 0x4163730: apr_allocator_create
(apr_pools.c:91)
==00:00:01:41.052 28685==    by 0x41638B2: apr_pool_initialize
(apr_pools.c:519)
==00:00:01:41.052 28685==    by 0x4164C7E: apr_initialize (start.c:55)
==00:00:01:41.052 28685==    by 0x41365DC: mrcp_global_init
(mrcp_global.c:41)
==00:00:01:41.052 28685==    by 0x80497C9: main (main.c:156)
==00:00:01:41.053 28685== 
==00:00:01:41.053 28685== 
==00:00:01:41.053 28685== 8,192 bytes in 1 blocks are still reachable
in loss record 6 of 19
==00:00:01:41.053 28685==    at 0x40047D1: malloc
(vg_replace_malloc.c:207)
==00:00:01:41.053 28685==    by 0x416480E: allocator_alloc
(apr_pools.c:300)
==00:00:01:41.053 28685==    by 0x4163D16: apr_pool_create_ex
(apr_pools.c:800)
==00:00:01:41.053 28685==    by 0x416BD36: apr_thread_create
(thread.c:175)
==00:00:01:41.053 28685==    by 0x4135B2A: mrcp_task_start
(mrcp_task.c:100)
==00:00:01:41.053 28685==    by 0x4013F2D: rtsp_agent_connect
(rtsp_client_connection.c:146)
==00:00:01:41.053 28685==    by 0x40122CE:
rtsp_engine_process_session_create (rtsp_engine.c:499)
==00:00:01:41.053 28685==    by 0x40124A3: rtsp_engine_msg_handler
(rtsp_engine.c:578)
==00:00:01:41.053 28685==    by 0x4136255: mrcp_consumer_task_run
(mrcp_consumer_task.c:120)
==00:00:01:41.053 28685==    by 0x4135D5F: mrcp_task_run
(mrcp_task.c:186)
==00:00:01:41.053 28685==    by 0x416BC9F: dummy_worker (thread.c:142)
==00:00:01:41.053 28685==    by 0x447EB98B: start_thread (in
/lib/tls/libpthread-0.61.so)
==00:00:01:41.053 28685==    by 0x44747169: clone (in
/lib/tls/libc-2.3.3.so)
==00:00:01:41.054 28685== 
==00:00:01:41.054 28685== 
==00:00:01:41.054 28685== 8,192 bytes in 1 blocks are still reachable
in loss record 7 of 19
==00:00:01:41.054 28685==    at 0x40047D1: malloc
(vg_replace_malloc.c:207)
==00:00:01:41.054 28685==    by 0x416480E: allocator_alloc
(apr_pools.c:300)
==00:00:01:41.054 28685==    by 0x4163D16: apr_pool_create_ex
(apr_pools.c:800)
==00:00:01:41.054 28685==    by 0x4014145: rtsp_agent_connection_create
(rtsp_client_connection.c:228)
==00:00:01:41.054 28685==    by 0x4013F18: rtsp_agent_connect
(rtsp_client_connection.c:141)
==00:00:01:41.054 28685==    by 0x40122CE:
rtsp_engine_process_session_create (rtsp_engine.c:499)
==00:00:01:41.054 28685==    by 0x40124A3: rtsp_engine_msg_handler
(rtsp_engine.c:578)
==00:00:01:41.054 28685==    by 0x4136255: mrcp_consumer_task_run
(mrcp_consumer_task.c:120)
==00:00:01:41.054 28685==    by 0x4135D5F: mrcp_task_run
(mrcp_task.c:186)
==00:00:01:41.054 28685==    by 0x416BC9F: dummy_worker (thread.c:142)
==00:00:01:41.055 28685==    by 0x447EB98B: start_thread (in
/lib/tls/libpthread-0.61.so)
==00:00:01:41.055 28685==    by 0x44747169: clone (in
/lib/tls/libc-2.3.3.so)
==00:00:01:41.055 28685== 
==00:00:01:41.055 28685== 
==00:00:01:41.055 28685== 8,192 bytes in 1 blocks are still reachable
in loss record 8 of 19
==00:00:01:41.055 28685==    at 0x40047D1: malloc
(vg_replace_malloc.c:207)
==00:00:01:41.055 28685==    by 0x416480E: allocator_alloc
(apr_pools.c:300)
==00:00:01:41.055 28685==    by 0x4163D16: apr_pool_create_ex
(apr_pools.c:800)
==00:00:01:41.055 28685==    by 0x4011D3A: rtsp_session_create
(rtsp_engine.c:306)
==00:00:01:41.055 28685==    by 0x4011C30: rtsp_engine_session_create
(rtsp_engine.c:238)
==00:00:01:41.055 28685==    by 0x4010EF7: mrcp_rtsp_session_create
(mrcp_rtsp_client.c:144)
==00:00:01:41.055 28685==    by 0x41335B2:
mrcp_client_do_signaling_channel_create (mrcp_client.c:92)
==00:00:01:41.055 28685==    by 0x413372F: mrcp_client_channel_add
(mrcp_client.c:157)
==00:00:01:41.055 28685==    by 0x4133C1C:
mrcp_client_context_msg_process (mrcp_client.c:322)
==00:00:01:41.055 28685==    by 0x4134294: mrcp_client_msg_handler
(mrcp_client.c:604)
==00:00:01:41.055 28685==    by 0x4136255: mrcp_consumer_task_run
(mrcp_consumer_task.c:120)
==00:00:01:41.055 28685==    by 0x4135D5F: mrcp_task_run
(mrcp_task.c:186)
==00:00:01:41.055 28685==    by 0x416BC9F: dummy_worker (thread.c:142)
==00:00:01:41.055 28685==    by 0x447EB98B: start_thread (in
/lib/tls/libpthread-0.61.so)
==00:00:01:41.055 28685==    by 0x44747169: clone (in
/lib/tls/libc-2.3.3.so)
==00:00:01:41.056 28685== 
==00:00:01:41.056 28685== 
==00:00:01:41.056 28685== 8,192 bytes in 1 blocks are still reachable
in loss record 9 of 19
==00:00:01:41.056 28685==    at 0x40047D1: malloc
(vg_replace_malloc.c:207)
==00:00:01:41.056 28685==    by 0x416480E: allocator_alloc
(apr_pools.c:300)
==00:00:01:41.056 28685==    by 0x4163D16: apr_pool_create_ex
(apr_pools.c:800)
==00:00:01:41.056 28685==    by 0x4134AF3: mrcp_client_session_create
(mrcp_client_session.c:36)
==00:00:01:41.056 28685==    by 0x4134CD5:
mrcp_client_context_session_create (mrcp_client_context.c:63)
==00:00:01:41.056 28685==    by 0x804AF01: demo_recognizer_basic_run
(demo_recognizer_scenario.c:302)
==00:00:01:41.056 28685==    by 0x804B0A8: demo_recognizer_run
(demo_recognizer_scenario.c:386)
==00:00:01:41.056 28685==    by 0x804980C: main (main.c:170)
==00:00:01:41.056 28685== 
==00:00:01:41.056 28685== 
==00:00:01:41.056 28685== 8,192 bytes in 1 blocks are still reachable
in loss record 10 of 19
==00:00:01:41.057 28685==    at 0x40047D1: malloc
(vg_replace_malloc.c:207)
==00:00:01:41.057 28685==    by 0x416480E: allocator_alloc
(apr_pools.c:300)
==00:00:01:41.057 28685==    by 0x4163D16: apr_pool_create_ex
(apr_pools.c:800)
==00:00:01:41.057 28685==    by 0x804AA5F: demo_session_create
(demo_recognizer_scenario.c:81)
==00:00:01:41.057 28685==    by 0x804AEF6: demo_recognizer_basic_run
(demo_recognizer_scenario.c:301)
==00:00:01:41.057 28685==    by 0x804B0A8: demo_recognizer_run
(demo_recognizer_scenario.c:386)
==00:00:01:41.057 28685==    by 0x804980C: main (main.c:170)
==00:00:01:41.057 28685== 
==00:00:01:41.057 28685== 
==00:00:01:41.057 28685== 8,192 bytes in 1 blocks are still reachable
in loss record 11 of 19
==00:00:01:41.057 28685==    at 0x40047D1: malloc
(vg_replace_malloc.c:207)
==00:00:01:41.057 28685==    by 0x416480E: allocator_alloc
(apr_pools.c:300)
==00:00:01:41.057 28685==    by 0x4163D16: apr_pool_create_ex
(apr_pools.c:800)
==00:00:01:41.057 28685==    by 0x416BD36: apr_thread_create
(thread.c:175)
==00:00:01:41.057 28685==    by 0x413A0A6: media_timer_start
(media_timer.c:119)
==00:00:01:41.057 28685==    by 0x413A27F: media_processor_start
(media_processor.c:101)
==00:00:01:41.057 28685==    by 0x40164A4: mrcp_live_agent_open
(mrcp_media_frame.c:147)
==00:00:01:41.057 28685==    by 0x4135341: mrcp_engine_open
(mrcp_engine.c:74)
==00:00:01:41.057 28685==    by 0x413465E:
mrcp_client_on_start_in_progress (mrcp_client.c:736)
==00:00:01:41.057 28685==    by 0x4135D70: mrcp_task_run
(mrcp_task.c:51)
==00:00:01:41.057 28685==    by 0x416BC9F: dummy_worker (thread.c:142)
==00:00:01:41.058 28685==    by 0x447EB98B: start_thread (in
/lib/tls/libpthread-0.61.so)
==00:00:01:41.058 28685==    by 0x44747169: clone (in
/lib/tls/libc-2.3.3.so)
==00:00:01:41.058 28685== 
==00:00:01:41.058 28685== 
==00:00:01:41.058 28685== 8,192 bytes in 1 blocks are still reachable
in loss record 12 of 19
==00:00:01:41.058 28685==    at 0x40047D1: malloc
(vg_replace_malloc.c:207)
==00:00:01:41.058 28685==    by 0x416480E: allocator_alloc
(apr_pools.c:300)
==00:00:01:41.059 28685==    by 0x4163D16: apr_pool_create_ex
(apr_pools.c:800)
==00:00:01:41.059 28685==    by 0x416BD36: apr_thread_create
(thread.c:175)
==00:00:01:41.059 28685==    by 0x4135B2A: mrcp_task_start
(mrcp_task.c:100)
==00:00:01:41.059 28685==    by 0x4136135: mrcp_consumer_task_start
(mrcp_consumer_task.c:68)
==00:00:01:41.059 28685==    by 0x4011AF7: rtsp_client_engine_start
(rtsp_engine.c:188)
==00:00:01:41.059 28685==    by 0x40116F2: mrcp_rtsp_agent_open
(mrcp_rtsp_client.c:474)
==00:00:01:41.059 28685==    by 0x4135341: mrcp_engine_open
(mrcp_engine.c:74)
==00:00:01:41.059 28685==    by 0x413465E:
mrcp_client_on_start_in_progress (mrcp_client.c:736)
==00:00:01:41.059 28685==    by 0x4135D70: mrcp_task_run
(mrcp_task.c:51)
==00:00:01:41.059 28685==    by 0x416BC9F: dummy_worker (thread.c:142)
==00:00:01:41.059 28685==    by 0x447EB98B: start_thread (in
/lib/tls/libpthread-0.61.so)
==00:00:01:41.059 28685==    by 0x44747169: clone (in
/lib/tls/libc-2.3.3.so)
==00:00:01:41.060 28685== 
==00:00:01:41.060 28685== 
==00:00:01:41.060 28685== 8,192 bytes in 1 blocks are still reachable
in loss record 13 of 19
==00:00:01:41.060 28685==    at 0x40047D1: malloc
(vg_replace_malloc.c:207)
==00:00:01:41.060 28685==    by 0x416480E: allocator_alloc
(apr_pools.c:300)
==00:00:01:41.060 28685==    by 0x4163A9C: apr_palloc (apr_pools.c:616)
==00:00:01:41.060 28685==    by 0x414CCFA: apr_queue_create
(apr_queue.c:129)
==00:00:01:41.060 28685==    by 0x413609D: mrcp_consumer_task_create
(mrcp_consumer_task.c:49)
==00:00:01:41.060 28685==    by 0x4011A1A: rtsp_engine_create
(rtsp_engine.c:161)
==00:00:01:41.060 28685==    by 0x4011ABB: rtsp_client_engine_start
(rtsp_engine.c:181)
==00:00:01:41.060 28685==    by 0x40116F2: mrcp_rtsp_agent_open
(mrcp_rtsp_client.c:474)
==00:00:01:41.060 28685==    by 0x4135341: mrcp_engine_open
(mrcp_engine.c:74)
==00:00:01:41.060 28685==    by 0x413465E:
mrcp_client_on_start_in_progress (mrcp_client.c:736)
==00:00:01:41.060 28685==    by 0x4135D70: mrcp_task_run
(mrcp_task.c:51)
==00:00:01:41.060 28685==    by 0x416BC9F: dummy_worker (thread.c:142)
==00:00:01:41.060 28685==    by 0x447EB98B: start_thread (in
/lib/tls/libpthread-0.61.so)
==00:00:01:41.060 28685==    by 0x44747169: clone (in
/lib/tls/libc-2.3.3.so)
==00:00:01:41.060 28685== 
==00:00:01:41.061 28685== 
==00:00:01:41.061 28685== 8,192 bytes in 1 blocks are still reachable
in loss record 14 of 19
==00:00:01:41.061 28685==    at 0x40047D1: malloc
(vg_replace_malloc.c:207)
==00:00:01:41.061 28685==    by 0x416480E: allocator_alloc
(apr_pools.c:300)
==00:00:01:41.061 28685==    by 0x4163D16: apr_pool_create_ex
(apr_pools.c:800)
==00:00:01:41.061 28685==    by 0x40119BC: rtsp_engine_create
(rtsp_engine.c:146)
==00:00:01:41.061 28685==    by 0x4011ABB: rtsp_client_engine_start
(rtsp_engine.c:181)
==00:00:01:41.061 28685==    by 0x40116F2: mrcp_rtsp_agent_open
(mrcp_rtsp_client.c:474)
==00:00:01:41.061 28685==    by 0x4135341: mrcp_engine_open
(mrcp_engine.c:74)
==00:00:01:41.061 28685==    by 0x413465E:
mrcp_client_on_start_in_progress (mrcp_client.c:736)
==00:00:01:41.061 28685==    by 0x4135D70: mrcp_task_run
(mrcp_task.c:51)
==00:00:01:41.061 28685==    by 0x416BC9F: dummy_worker (thread.c:142)
==00:00:01:41.061 28685==    by 0x447EB98B: start_thread (in
/lib/tls/libpthread-0.61.so)
==00:00:01:41.061 28685==    by 0x44747169: clone (in
/lib/tls/libc-2.3.3.so)
==00:00:01:41.061 28685== 
==00:00:01:41.061 28685== 
==00:00:01:41.061 28685== 8,192 bytes in 1 blocks are still reachable
in loss record 15 of 19
==00:00:01:41.061 28685==    at 0x40047D1: malloc
(vg_replace_malloc.c:207)
==00:00:01:41.062 28685==    by 0x416480E: allocator_alloc
(apr_pools.c:300)
==00:00:01:41.062 28685==    by 0x4163D16: apr_pool_create_ex
(apr_pools.c:800)
==00:00:01:41.062 28685==    by 0x416BD36: apr_thread_create
(thread.c:175)
==00:00:01:41.062 28685==    by 0x4135B2A: mrcp_task_start
(mrcp_task.c:100)
==00:00:01:41.062 28685==    by 0x4136135: mrcp_consumer_task_start
(mrcp_consumer_task.c:68)
==00:00:01:41.062 28685==    by 0x413493F: mrcp_client_start
(mrcp_client.c:834)
==00:00:01:41.062 28685==    by 0x400D63C: openmrcp_client_start
(openmrcp_client.c:159)
==00:00:01:41.062 28685==    by 0x804B07E: demo_recognizer_run
(demo_recognizer_scenario.c:377)
==00:00:01:41.062 28685==    by 0x804980C: main (main.c:170)
==00:00:01:41.062 28685== 
==00:00:01:41.062 28685== 
==00:00:01:41.062 28685== 8,192 bytes in 1 blocks are still reachable
in loss record 16 of 19
==00:00:01:41.062 28685==    at 0x40047D1: malloc
(vg_replace_malloc.c:207)
==00:00:01:41.062 28685==    by 0x416480E: allocator_alloc
(apr_pools.c:300)
==00:00:01:41.063 28685==    by 0x4163D16: apr_pool_create_ex
(apr_pools.c:800)
==00:00:01:41.063 28685==    by 0x4134842: mrcp_client_start
(mrcp_client.c:798)
==00:00:01:41.063 28685==    by 0x400D63C: openmrcp_client_start
(openmrcp_client.c:159)
==00:00:01:41.063 28685==    by 0x804B07E: demo_recognizer_run
(demo_recognizer_scenario.c:377)
==00:00:01:41.063 28685==    by 0x804980C: main (main.c:170)
==00:00:01:41.064 28685== 
==00:00:01:41.064 28685== 
==00:00:01:41.064 28685== 8,192 bytes in 1 blocks are still reachable
in loss record 17 of 19
==00:00:01:41.064 28685==    at 0x40047D1: malloc
(vg_replace_malloc.c:207)
==00:00:01:41.064 28685==    by 0x416480E: allocator_alloc
(apr_pools.c:300)
==00:00:01:41.064 28685==    by 0x4163D16: apr_pool_create_ex
(apr_pools.c:800)
==00:00:01:41.064 28685==    by 0x41365F2: mrcp_global_init
(mrcp_global.c:46)
==00:00:01:41.064 28685==    by 0x80497C9: main (main.c:156)
==00:00:01:41.065 28685== 
==00:00:01:41.065 28685== 
==00:00:01:41.065 28685== 8,192 bytes in 1 blocks are still reachable
in loss record 18 of 19
==00:00:01:41.065 28685==    at 0x40047D1: malloc
(vg_replace_malloc.c:207)
==00:00:01:41.065 28685==    by 0x416480E: allocator_alloc
(apr_pools.c:300)
==00:00:01:41.065 28685==    by 0x4163D16: apr_pool_create_ex
(apr_pools.c:800)
==00:00:01:41.065 28685==    by 0x4164C93: apr_initialize (start.c:58)
==00:00:01:41.065 28685==    by 0x41365DC: mrcp_global_init
(mrcp_global.c:41)
==00:00:01:41.065 28685==    by 0x80497C9: main (main.c:156)
==00:00:01:41.066 28685== 
==00:00:01:41.066 28685== 
==00:00:01:41.066 28685== 8,192 bytes in 1 blocks are still reachable
in loss record 19 of 19
==00:00:01:41.066 28685==    at 0x40047D1: malloc
(vg_replace_malloc.c:207)
==00:00:01:41.066 28685==    by 0x416480E: allocator_alloc
(apr_pools.c:300)
==00:00:01:41.066 28685==    by 0x4163D16: apr_pool_create_ex
(apr_pools.c:800)
==00:00:01:41.066 28685==    by 0x41638DC: apr_pool_initialize
(apr_pools.c:524)
==00:00:01:41.066 28685==    by 0x4164C7E: apr_initialize (start.c:55)
==00:00:01:41.066 28685==    by 0x41365DC: mrcp_global_init
(mrcp_global.c:41)
==00:00:01:41.066 28685==    by 0x80497C9: main (main.c:156)
==00:00:01:41.066 28685== 



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