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[Core, mod_commands] Add switch_core_pool_stats API and pool_stats command with corresponding --enable-pool-debug configure flag.

This commit is contained in:
Andrey Volk 2019-09-25 23:04:24 +04:00
parent f664600df4
commit da31fac5a0
6 changed files with 85 additions and 2 deletions
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2
libs/apr/.update
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@ -1 +1 @@
Fri Apr 8 13:43:12 EDT 2016
Wed Sep 25 15:25:12 EDT 2019

6
libs/apr/include/apr_pools.h
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@ -214,6 +214,12 @@ APR_DECLARE(apr_status_t) apr_pool_create_ex_debug(apr_pool_t **newpool,
#define apr_pool_create_ex(newpool, parent, abort_fn, allocator) \
apr_pool_create_ex_debug(newpool, parent, abort_fn, allocator, \
APR_POOL__FILE_LINE__)
APR_DECLARE(int) apr_pool_walk_tree_debug(apr_pool_t *pool,
int(*fn)(apr_pool_t *pool, void *data),
void *data);
APR_DECLARE(void) apr_pool_get_stats(apr_pool_t *pool, unsigned int *alloc, unsigned int *total_alloc, unsigned int *clear);
#endif
/**

18
libs/apr/memory/unix/apr_pools.c
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@ -1126,6 +1126,22 @@ static int apr_pool_walk_tree(apr_pool_t *pool,
return rv;
}
APR_DECLARE(int) apr_pool_walk_tree_debug(apr_pool_t *pool,
int(*fn)(apr_pool_t *pool, void *data),
void *data)
{
return apr_pool_walk_tree(pool, fn, data);
}
APR_DECLARE(void) apr_pool_get_stats(apr_pool_t *pool, unsigned int *alloc, unsigned int *total_alloc, unsigned int *clear)
{
if (pool) {
*alloc = pool->stat_alloc;
*total_alloc = pool->stat_total_alloc;
*clear = pool->stat_clear;
}
}
#if (APR_POOL_DEBUG & APR_POOL_DEBUG_VERBOSE_ALL)
static void apr_pool_log_event(apr_pool_t *pool, const char *event,
const char *file_line, int deref)
@ -1432,7 +1448,7 @@ static void pool_clear_debug(apr_pool_t *pool, const char *file_line)
for (index = 0; index < node->index; index++) {
memset(node->beginp[index], POOL_POISON_BYTE,
node->endp[index] - node->beginp[index]);
(char *)node->endp[index] - (char *)node->beginp[index]);
free(node->beginp[index]);
}

2
src/include/switch_core.h
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@ -623,6 +623,8 @@ SWITCH_DECLARE(const switch_state_handler_table_t *) switch_core_get_state_handl
SWITCH_DECLARE(void) switch_core_memory_pool_tag(switch_memory_pool_t *pool, const char *tag);
SWITCH_DECLARE(void) switch_core_pool_stats(switch_stream_handle_t *stream);
SWITCH_DECLARE(switch_status_t) switch_core_perform_new_memory_pool(_Out_ switch_memory_pool_t **pool,
_In_z_ const char *file, _In_z_ const char *func, _In_ int line);

7
src/mod/applications/mod_commands/mod_commands.c
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@ -685,6 +685,12 @@ end:
return SWITCH_STATUS_SUCCESS;
}
SWITCH_STANDARD_API(pool_stats_function)
{
switch_core_pool_stats(stream);
return SWITCH_STATUS_SUCCESS;
}
SWITCH_STANDARD_API(db_cache_function)
{
int argc;
@ -7502,6 +7508,7 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_commands_load)
SWITCH_ADD_API(commands_api_interface, "nat_map", "Manage NAT", nat_map_function, "[status|republish|reinit] | [add|del] <port> [tcp|udp] [static]");
SWITCH_ADD_API(commands_api_interface, "originate", "Originate a call", originate_function, ORIGINATE_SYNTAX);
SWITCH_ADD_API(commands_api_interface, "pause", "Pause media on a channel", pause_function, PAUSE_SYNTAX);
SWITCH_ADD_API(commands_api_interface, "pool_stats", "Core pool memory usage", pool_stats_function, "Core pool memory usage.");
SWITCH_ADD_API(commands_api_interface, "quote_shell_arg", "Quote/escape a string for use on shell command line", quote_shell_arg_function, "<data>");
SWITCH_ADD_API(commands_api_interface, "regex", "Evaluate a regex", regex_function, "<data>|<pattern>[|<subst string>][n|b]");
SWITCH_ADD_API(commands_api_interface, "reloadacl", "Reload XML", reload_acl_function, "");

52
src/switch_core_memory.c
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@ -88,7 +88,11 @@ SWITCH_DECLARE(void *) switch_core_perform_session_alloc(switch_core_session_t *
(void *) session->pool, (void *) session, apr_pool_tag(session->pool, NULL), (int) memory);
#endif
#if APR_POOL_DEBUG
ptr = apr_palloc_debug(session->pool, memory, func);
#else
ptr = apr_palloc(session->pool, memory);
#endif
switch_assert(ptr != NULL);
memset(ptr, 0, memory);
@ -349,7 +353,39 @@ SWITCH_DECLARE(void) switch_pool_clear(switch_memory_pool_t *p)
}
#if APR_POOL_DEBUG
static int switch_core_pool_stats_callback(apr_pool_t *pool, void *data) {
switch_stream_handle_t *stream = (switch_stream_handle_t *)data;
unsigned int size = (unsigned int)apr_pool_num_bytes(pool, 1);
unsigned int alloc = 0, total_alloc = 0, clear = 0;
char *line = NULL;
apr_pool_userdata_get((void**)&line, "line", pool);
apr_pool_get_stats(pool, &alloc, &total_alloc, &clear);
if (stream) {
stream->write_function(stream, "Pool '%s' size: %d, alloc:%d, total_alloc:%d, clear:%d\n", (line ? line : apr_pool_tag(pool, NULL)), (int)size, alloc, total_alloc, clear);
} else {
printf("Pool '%s' size: %d, alloc:%d, total_alloc:%d, clear:%d\n", (line ? line : apr_pool_tag(pool, NULL)), (int)size, alloc, total_alloc, clear);
}
return 0;
}
#endif
SWITCH_DECLARE(void) switch_core_pool_stats(switch_stream_handle_t *stream)
{
#if APR_POOL_DEBUG
if (runtime.memory_pool) {
apr_pool_walk_tree_debug(runtime.memory_pool, switch_core_pool_stats_callback, (void *)stream);
}
#else
if (stream) {
stream->write_function(stream, "Unable to get core pool statictics. Please rebuild FreeSWITCH with --enable-pool-debug");
} else {
printf("Unable to get core pool statictics. Please rebuild FreeSWITCH with --enable-pool-debug");
}
#endif
}
SWITCH_DECLARE(switch_status_t) switch_core_perform_new_memory_pool(switch_memory_pool_t **pool, const char *file, const char *func, int line)
{
@ -382,7 +418,11 @@ SWITCH_DECLARE(switch_status_t) switch_core_perform_new_memory_pool(switch_memor
abort();
}
#if APR_POOL_DEBUG
if ((apr_pool_create_ex_debug(pool, memory_manager.memory_pool, NULL, my_allocator, func)) != APR_SUCCESS) {
#else
if ((apr_pool_create_ex(pool, NULL, NULL, my_allocator)) != APR_SUCCESS) {
#endif
abort();
}
@ -405,6 +445,10 @@ SWITCH_DECLARE(switch_status_t) switch_core_perform_new_memory_pool(switch_memor
tmp = switch_core_sprintf(*pool, "%s:%d", file, line);
apr_pool_tag(*pool, tmp);
#if APR_POOL_DEBUG
apr_pool_userdata_set(tmp, "line", NULL, *pool);
#endif
#ifdef DEBUG_ALLOC2
switch_log_printf(SWITCH_CHANNEL_ID_LOG, file, func, line, NULL, SWITCH_LOG_CONSOLE, "%p New Pool %s\n", (void *) *pool, apr_pool_tag(*pool, NULL));
#endif
@ -438,7 +482,11 @@ SWITCH_DECLARE(switch_status_t) switch_core_perform_destroy_memory_pool(switch_m
#ifdef USE_MEM_LOCK
switch_mutex_lock(memory_manager.mem_lock);
#endif
#if APR_POOL_DEBUG
apr_pool_destroy_debug(*pool, func);
#else
apr_pool_destroy(*pool);
#endif
#ifdef USE_MEM_LOCK
switch_mutex_unlock(memory_manager.mem_lock);
#endif
@ -469,7 +517,11 @@ SWITCH_DECLARE(void *) switch_core_perform_alloc(switch_memory_pool_t *pool, swi
/*switch_assert(memory < 20000); */
#endif
#if APR_POOL_DEBUG
ptr = apr_palloc_debug(pool, memory, func);
#else
ptr = apr_palloc(pool, memory);
#endif
switch_assert(ptr != NULL);
memset(ptr, 0, memory);