void site_heapdump(JNIEnv *env) { rawMonitorEnter(gdata->data_access_lock); { jvmtiHeapCallbacks heapCallbacks; /* Remove class dumped status, all classes must be dumped */ class_all_status_remove(CLASS_DUMPED); /* Clear in_heap_dump flag */ tls_clear_in_heap_dump(); /* Dump the last thread traces and get the lists back we need */ tls_dump_traces(env); /* Write header for heap dump */ io_heap_header(gdata->total_live_instances, gdata->total_live_bytes); /* Setup a clean reference table */ reference_init(); /* Walk over all reachable objects and dump out roots */ gdata->gref_serial_number_counter = gdata->gref_serial_number_start; /* Issue thread object for fake non-existent unknown thread * just in case someone refers to it. Real threads are handled * during iterate over reachable objects. */ io_heap_root_thread_object(0, gdata->unknown_thread_serial_num, trace_get_serial_number(gdata->system_trace_index)); /* Iterate over heap and get the real stuff */ (void)memset(&heapCallbacks, 0, sizeof(heapCallbacks)); /* Select callbacks */ heapCallbacks.heap_reference_callback = &cbReference; if ( gdata->primfields == JNI_TRUE ) { heapCallbacks.primitive_field_callback = &cbPrimFieldData; } if ( gdata->primarrays == JNI_TRUE ) { heapCallbacks.array_primitive_value_callback = &cbPrimArrayData; } followReferences(&heapCallbacks, (void*)NULL); /* Process reference information. */ object_reference_dump(env); object_clear_references(); reference_cleanup(); /* Dump the last thread traces and get the lists back we need */ tls_dump_traces(env); /* Write out footer for heap dump */ io_heap_footer(); } rawMonitorExit(gdata->data_access_lock); }
void site_heapdump(JNIEnv *env) { rawMonitorEnter(gdata->data_access_lock); { struct { int i; } user_data; /* FIXUP */ user_data.i = 0; /* Remove class dumped status, all classes must be dumped */ class_all_status_remove(CLASS_DUMPED); /* Clear in_heap_dump flag */ tls_clear_in_heap_dump(); /* Dump the last thread traces and get the lists back we need */ tls_dump_traces(env); /* Write header for heap dump */ io_heap_header(gdata->total_live_instances, gdata->total_live_bytes); /* Setup a clean reference table */ reference_init(); /* Walk over all reachable objects and dump out roots */ gdata->gref_serial_number_counter = gdata->gref_serial_number_start; /* Issue thread object for fake non-existent unknown thread * just in case someone refers to it. Real threads are handled * during iterate over reachable objects. */ io_heap_root_thread_object(0, gdata->unknown_thread_serial_num, trace_get_serial_number(gdata->system_trace_index)); /* Iterate over heap and get the real stuff */ iterateOverReachableObjects(&root_object, &stack_object, &reference_object, (void*)&user_data); /* Process reference information. */ object_reference_dump(env); object_clear_references(); reference_cleanup(); /* Dump the last thread traces and get the lists back we need */ tls_dump_traces(env); /* Write out footer for heap dump */ io_heap_footer(); } rawMonitorExit(gdata->data_access_lock); }