IOS,中擷取系統記憶體佔有率的方法

標籤：

#import <mach/mach.h>- (float)__getMemoryUsedPer1{    struct mach_task_basic_info info;    mach_msg_type_number_t size = sizeof(info);    kern_return_t kerr = task_info(mach_task_self(), MACH_TASK_BASIC_INFO, (task_info_t)&info, &size);    if (kerr == KERN_SUCCESS)    {        float used_bytes = info.resident_size;        float total_bytes = [NSProcessInfo processInfo].physicalMemory;        //NSLog(@"Used: %f MB out of %f MB (%f%%)", used_bytes / 1024.0f / 1024.0f, total_bytes / 1024.0f / 1024.0f, used_bytes * 100.0f / total_bytes);        return used_bytes / total_bytes;    }    return 1;}

 

IOS,中擷取系統記憶體佔有率的方法