文档介绍：OptimizingLinuxBootTimeThissessiongivesanoverviewofmethodsforoptimizingtheboottimeofaLinuxsystemJuly2012LAB:./-,(toinstallrequiredhostpackages)UsingaSitaraEVM,,serialcables,SDcardand5VpowerBootedtheEVMandnoticedtheMatrixGUIapplicationlauncherontheLCDPulledtheipaddrofyourEVMandranremoteMatrixusingawebbrowserBroughttheUSBtoSerialcableyouconfirmedonyoursetup(preferable)AgendaWhatisFastBoot?BootProcessOverviewMeasuringBootTimeIdentifyingtheBootStepsProfilingU-bootLinuxKernelOptimizationTechniquesU-bootLinuxKernelFileSystemWhatisFastBoot?“available”“Available”,://./“-otstamp”Thiscanalsobeinvokedas“cat/dev/<TTYDEVICE>|ingserialdatahttp://realterm./-ContUsingtheCprogramapproachyouwillseeoutputlike::ThuJun2811:56:00UTC2012INIT:Enteringrunlevel::Startingsystemmessagebus:::StartingDropbearSSHserver::::Startingsyslogd/klogd:::.