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Implement memstats command in the debugger (#1838)

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Implementation of memstats command in jerry-debugger, python and html client.
Shows the allocated bytes, byte code bytes, string bytes, object bytes, property bytes and heap size.

JerryScript-DCO-1.0-Signed-off-by: Daniel Balla dballa@inf.u-szeged.hu
This commit is contained in:
Daniel Balla
2017-05-23 11:19:15 +02:00
committed by Zoltan Herczeg
parent e58f2880df
commit 8894077656
5 changed files with 151 additions and 48 deletions
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jerry-core/debugger/jerry-debugger.c
+46
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@@ -347,6 +347,14 @@ jerry_debugger_process_message (uint8_t *recv_buffer_p, /**< pointer the the rec
return true;
}
case JERRY_DEBUGGER_MEMSTATS:
{
JERRY_DEBUGGER_CHECK_PACKET_SIZE (jerry_debugger_receive_type_t);
jerry_debugger_send_memstats ();
return true;
}
case JERRY_DEBUGGER_STOP:
{
JERRY_DEBUGGER_CHECK_PACKET_SIZE (jerry_debugger_receive_type_t);
@@ -669,4 +677,42 @@ jerry_debugger_send_parse_function (uint32_t line, /**< line */
return jerry_debugger_send (sizeof (jerry_debugger_send_parse_function_t));
} /* jerry_debugger_send_parse_function */
/**
* Send memory statistics to the debugger client.
*/
void
jerry_debugger_send_memstats (void)
{
JERRY_ASSERT (JERRY_CONTEXT (debugger_flags) & JERRY_DEBUGGER_CONNECTED);
JERRY_DEBUGGER_SEND_BUFFER_AS (jerry_debugger_send_memstats_t, memstats_p);
JERRY_DEBUGGER_INIT_SEND_MESSAGE (memstats_p);
JERRY_DEBUGGER_SET_SEND_MESSAGE_SIZE_FROM_TYPE (memstats_p, jerry_debugger_send_memstats_t);
memstats_p->type = JERRY_DEBUGGER_MEMSTATS_RECEIVE;
#ifdef JMEM_STATS /* if jmem_stats are defined */
jmem_heap_stats_t *heap_stats = &JERRY_CONTEXT (jmem_heap_stats);
uint32_t allocated_bytes = (uint32_t) heap_stats->allocated_bytes;
memcpy (memstats_p->allocated_bytes, &allocated_bytes, sizeof (uint32_t));
uint32_t byte_code_bytes = (uint32_t) heap_stats->byte_code_bytes;
memcpy (memstats_p->byte_code_bytes, &byte_code_bytes, sizeof (uint32_t));
uint32_t string_bytes = (uint32_t) heap_stats->string_bytes;
memcpy (memstats_p->string_bytes, &string_bytes, sizeof (uint32_t));
uint32_t object_bytes = (uint32_t) heap_stats->object_bytes;
memcpy (memstats_p->object_bytes, &object_bytes, sizeof (uint32_t));
uint32_t property_bytes = (uint32_t) heap_stats->property_bytes;
memcpy (memstats_p->property_bytes, &property_bytes, sizeof (uint32_t));
#else /* if not, just put zeros */
memset (memstats_p->allocated_bytes, 0, sizeof (uint32_t));
memset (memstats_p->byte_code_bytes, 0, sizeof (uint32_t));
memset (memstats_p->string_bytes, 0, sizeof (uint32_t));
memset (memstats_p->object_bytes, 0, sizeof (uint32_t));
memset (memstats_p->property_bytes, 0, sizeof (uint32_t));
#endif
jerry_debugger_send (sizeof (jerry_debugger_send_memstats_t));
} /* jerry_debugger_send_memstats */
#endif /* JERRY_DEBUGGER */