longwei my new desc mytest: Processor: VIA Nano X2 C4350AL @ 1.73GHz (2 Cores), Motherboard: LENOVO VT8611, Chipset: VIA Device 3456, Memory: 4096MB, Disk: 128GB SAMSUNG MZ7TD128, Graphics: MSI AMD Radeon HD 7470/8470 / R5 235 OEM 1024MB, Audio: Realtek ALC892, Monitor: LEN LT2223wA, Network: Realtek RTL8111/8168/8411 OS: 01Projects 1.4-rc5-r, Kernel: 3.8.13.13-cdos (i686), Desktop: Cinnamon 2.2.13, Display Server: X Server 1.15.1, Display Driver: radeon 7.3.0, OpenGL: 3.3 Mesa 10.1.3 Gallium 0.4, Compiler: GCC 4.8.4, File-System: ext4, Screen Resolution: 1920x1080 Cyclictest 0.84 Test Case: clock_nanosleep TIME_ABSTIME, Interval 10000 ms, 10000 Loops ms Average < Lower Is Better mytest . 16 |==================================================================