rwbypid.d(1) USER COMMANDS rwbypid.d(1)
NAME
rwbypid.d - read/write calls by PID. Uses DTrace.
SYNOPSIS
rwbypid.d
DESCRIPTION
This script tracks the number of reads and writes at the syscall level
by processes, printing the totals in a report. This matches reads and
writes whether they succeed or not.
Since this uses DTrace, only users with root privileges can run this
command.
EXAMPLES
This samples until Ctrl-C is hit.
# rwbypid.d
FIELDS
PID process ID
CMD process name
DIR direction, Read or Write
COUNT total calls
DOCUMENTATION
See the DTraceToolkit for further documentation under the Docs direc-
tory. The DTraceToolkit docs may include full worked examples with ver-
bose descriptions explaining the output.
EXIT
rwbypid.d will sample until Ctrl-C is hit.
AUTHOR
Brendan Gregg [Sydney, Australia]
SEE ALSO
rwbbypid.d(1M), dtrace(1M)
version 1.00 Jun 28, 2005 rwbypid.d(1)
Mac OS X 10.6 - Generated Thu Sep 17 20:09:04 CDT 2009