1 .TH rwbytype.d 1m "$Date:: 2007-08-05 #$" "USER COMMANDS"
3 rwbytype.d \- read/write bytes by vnode type. Uses DTrace.
7 This program identifies the vnode type of read/write activity - whether
8 that is for regular files, sockets, character special devices, etc. This
9 is measuring at the application level, so file activity may well be
12 Since this uses DTrace, only the root user or users with the
13 dtrace_kernel privilege can run this command.
17 unstable - this script uses fbt provider probes which may change for
18 future updates of the OS, invalidating this script. Please read
19 Docs/Notes/ALLfbt_notes.txt for further details about these fbt scripts.
22 This samples until Ctrl\-C is hit.
35 vnode type (describes I/O type)
38 direction, Read or Write
44 See the DTraceToolkit for further documentation under the
45 Docs directory. The DTraceToolkit docs may include full worked
46 examples with verbose descriptions explaining the output.
48 rwbytype.d will sample until Ctrl\-C is hit.
53 rwbypid.d(1M), rwbbypid.d(1M), dtrace(1M)