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linux下监控是否有IO

2015-11-10 11:58:22 分类: 系统
JDU:/host-001e67a8d50b /log/today # inotifywait -h
inotifywait 3.14
Wait for a particular event on a file or set of files.
Usage: inotifywait [ options ] file1 [ file2 ] [ file3 ] [ ... ]
Options:
	-h|--help     	Show this help text.
	@<file>       	Exclude the specified file from being watched.
	--exclude <pattern>
	              	Exclude all events on files matching the
	              	extended regular expression <pattern>.
	--excludei <pattern>
	              	Like --exclude but case insensitive.
	-m|--monitor  	Keep listening for events forever.  Without
	              	this option, inotifywait will exit after one
	              	event is received.
	-d|--daemon   	Same as --monitor, except run in the background
	              	logging events to a file specified by --outfile.
	              	Implies --syslog.
	-r|--recursive	Watch directories recursively.
	--fromfile <file>
	              	Read files to watch from <file> or `-' for stdin.
	-o|--outfile <file>
                        Print events to <file> rather than stdout.
	-s|--syslog   	Send errors to syslog rather than stderr.
	-q|--quiet    	Print less (only print events).
	-qq           	Print nothing (not even events).
	--format <fmt>	Print using a specified printf-like format
	              	string; read the man page for more details.
	--timefmt <fmt>	strftime-compatible format string for use with
	              	%T in --format string.
	-c|--csv      	Print events in CSV format.
        -t|--timeout <seconds>
	              	When listening for a single event, time out after
	              	waiting for an event  for <seconds> seconds.
	              	If <seconds> is 0, inotifywait will never time out.
	-e|--event <event1> [ -e|--event  <event2> ... ]
		Listen for specific event(s).  If omitted, all events are 
		listened for.
        Exit status:
	0  -  An event you asked to watch for was received.
	1  -  An event you did not ask to watch for was received
	2  -  The --timeout option was given and no events occurred
	      in the specified interval of time.
Events:
	access		file or directory contents were read
	modify		file or directory contents were written
	attrib		file or directory attributes changed
        close_write	file or directory closed, after being opened in writable mode
	close_nowrite	file or directory closed, after being opened in read-only mode
        close		file or directory closed, regardless of read/write mode
	open		file or directory opened
	moved_to	file or directory moved to watched directory
	moved_from	file or directory moved from watched directory
        move		file or directory moved to or from watched directory
	create		file or directory created within watched directory
	delete		file or directory deleted within watched directory
	delete_self	file or directory was deleted
	unmount		file system containing file or directory unmounted

 

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