IOS统计内存用量：

统计内存用量：

#import <mach/mach.h>void report_memory(void) {  struct task_basic_info info;  mach_msg_type_number_t size = sizeof(info);  kern_return_t kerr = task_info(mach_task_self(),                                 TASK_BASIC_INFO,                                 (task_info_t)&info,                                 &size);  if( kerr == KERN_SUCCESS ) {    NSLog(@"Memory used: %u", info.resident_size); //in bytes  } else {    NSLog(@"Error: %s", mach_error_string(kerr));  }}