rwbypid.d(1m) USER COMMANDS rwbypid.d(1m)
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 directory. 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(1m)
