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62 lines
1.5 KiB
D
Executable File
62 lines
1.5 KiB
D
Executable File
#!/usr/sbin/dtrace -s
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/*
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* rwbypid.d - read/write calls by PID.
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* Written using DTrace (Solaris 10 3/05)
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*
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* This script tracks the number of reads and writes at the syscall level
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* by processes, printing the totals in a report. This matches reads
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* and writes whether they succeed or not.
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*
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* $Id: rwbypid.d,v 1.1.1.1 2015/09/30 22:01:07 christos Exp $
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*
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* USAGE: rwbypid.d # hit Ctrl-C to end sample
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*
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* FIELDS:
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* PID process ID
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* CMD process name
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* DIR Read or Write
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* COUNT total calls
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*
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* COPYRIGHT: Copyright (c) 2005, 2006 Brendan Gregg.
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*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at Docs/cddl1.txt
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* CDDL HEADER END
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*
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* 28-Jun-2005 Brendan Gregg Created this.
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* 20-Apr-2006 " " Last update.
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*/
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#pragma D option quiet
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dtrace:::BEGIN
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{
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printf("Tracing... Hit Ctrl-C to end.\n");
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}
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syscall::*read*:entry
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{
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@calls[pid, execname, "R"] = sum(arg0);
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}
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syscall::*write*:entry
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{
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@calls[pid, execname, "W"] = sum(arg0);
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}
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dtrace:::END
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{
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printf("%6s %-24s %4s %8s\n", "PID", "CMD", "DIR", "COUNT");
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printa("%6d %-24s %4s %@8d\n", @calls);
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}
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