@protocol CPUPerformanceDelegate <NSObject>
-(void)getUsedCpuOperations:(float)percent;
-(void)getKernelCpuOperations:(float)percent;
-(void)getIdleCpuOperations:(float)percent;
-(void)getUserCpuOperations:(float)percent;
-(void)getNiceCpuOperations:(float)percent;
@end
@interface CPUPerformance : NSObject{
processor_info_array_t cpuInfo, prevCpuInfo;
mach_msg_type_number_t numCpuInfo, numPrevCpuInfo;
unsigned numCPUs;
NSLock *CPUUsageLock;
}
@property(nonatomic,assign)id<CPUPerformanceDelegate>delegate;
@property(nonatomic,retain)NSTimer *updateTimer;
@end
然后
#import "CPUPerformance.h"
@implementation CPUPerformance
@synthesize delegate,updateTimer;
- (void)updateInfo
{
idlepercent = ((idle/total)*100);
userpercent = (user/total)*100;
syspercent = (sys/total)*100;
nicepercent = (nice/total)*100;
inUsepercent = (inUse/total)*100;
[delegate getIdleCpuOperations:idlepercent];
[delegate getKernelCpuOperations:syspercent];
[delegate getNiceCpuOperations:nicepercent];
[delegate getUsedCpuOperations:inUsepercent];
[delegate getUserCpuOperations:userpercent];
}
最后
#import "CPUPerformance.h"
@interface SpecProjectFirstViewController : UIViewController<UITableViewDataSource,UITableViewDelegate,CPUPerformanceDelegate>{
//Ivars
NSMutableArray *processArray;
//User Interface Object
UILabel *cpuUsage;
UILabel *cpuIdle;
UILabel *cpuUser;
UILabel *cpuNice;
UILabel *cpuKernel;
IBOutlet UITableView *tableViews;
CPUPerformance *cpuObject;
}
==================
#import "SpecProjectFirstViewController.h"
@implementation SpecProjectFirstViewController
-(void)getIdleCpuOperations:(float)percent{
[cpuIdle setText:nil];
[cpuIdle setText:[NSString stringWithFormat:@"Idle :%.0f %%",percent]];
[cpuIdle setTextAlignment:UITextAlignmentCenter];
}
-(void)getKernelCpuOperations:(float)percent{
[cpuKernel setText:nil];
[cpuKernel setText:[NSString stringWithFormat:@"Kernel :%.0f %%",percent]];
[cpuKernel setTextAlignment:UITextAlignmentCenter];
}
-(void)getNiceCpuOperations:(float)percent{
[cpuNice setText:nil];
[cpuNice setText:[NSString stringWithFormat:@"Nice :%.0f %%",percent]];
[cpuNice setTextAlignment:UITextAlignmentCenter];
}
-(void)getUsedCpuOperations:(float)percent{
[cpuUsage setText:nil];
[cpuUsage setText:[NSString stringWithFormat:@"Used :%.0f %%",percent]];
[cpuUsage setTextAlignment:UITextAlignmentCenter];
}
-(void)getUserCpuOperations:(float)percent{
[cpuUser setText:nil];
[cpuUser setText:[NSString stringWithFormat:@"User :%.0f %%",percent]];
[cpuUser setTextAlignment:UITextAlignmentCenter];
}
-(void)viewDidAppear:(BOOL)animated{
cpuObject = [[CPUPerformance alloc]init];
cpuObject.delegate = self;
[self creatObjectsOnView];
[super viewDidAppear:animated];
}