usec msec

Automatic Backup of asm disk header after Oracle 10.2.0.5 Before Version 10.2.0.5, the ASM disk header was not automatically backed up. You must manually run kfed read or dd to back up the disk, From 10.2.0.5 onwards, the ASM disk header will be

    1. # include Void do_gettimeofday (struct timeval * TV){Unsigned long flags;Unsigned long USEC, SEC;Read_lock_irqsave (&

Automatic asmdiskheader backup mechanism after Oracle10.2.0.5 Automatic Backup of asm disk header after Oracle 10.2.0.5 Before Version 10.2.0.5, the ASM disk header is not automatically backed up. You must manually run kfed read or dd to back

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FIO User Guide and how to use fioPreface Fio is a good tool for IOPS testing. It is used for stress testing and verification of hardware. It supports 13 different I/O engines, including sync, mmap, libaio, posixaio, SG v3, splice, null, network,

Linux uses FIO to test the IOPS of the disk 2013-09-23 10:59:21Category: LINUXFio is a great tool for testing IOPS, which is used for stress testing and validation of hardware, supporting 13 different I/O engines, including: Sync,mmap, Libaio,

Fio is a great tool for testing IOPS, which is used for stress testing and validation of hardware, supporting 13 different I/O engines, including: Sync,mmap, Libaio, Posixaio, SG v3, splice, NULL, network, Syslet, Guasi, Solarisaio and so

Phpmicrotime gets the floating point timestamp. This function has been used for obtaining: Copy the code as follows: functionmicrotime_float () {list ($ usec, $ sec) explode (, microtime (); return (float) $ usec + (float) $ sec);} you can see that

This function has been used to obtain: Copy CodeThe code is as follows: function Microtime_float () { List ($usec, $sec) = Explode ("", Microtime ()); return (float) $usec + (float) $sec); } See someone else's source with Microtime (true), check

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