/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "@(#)rwinfo.d 1.1 06/08/28 SMI"
/*
* ASSERTION:
* Verify doc example 7-1
*
* SECTION:
* DocExamples/rwinfo
*/
#pragma D option quiet
struct callinfo {
uint64_t ts;
uint64_t elapsed;
uint64_t calls;
size_t maxbytes;
};
struct callinfo i[string];
syscall::read:entry,
syscall::write:entry
/pid == 100551/
{
i[probefunc].ts = timestamp;
i[probefunc].calls++;
i[probefunc].maxbytes = arg2 > i[probefunc].maxbytes ?
arg2 : i[probefunc].maxbytes;
}
syscall::read:return,
syscall::write:return
/i[probefunc].ts != 0 && pid == 100551/
{
i[probefunc].elapsed += timestamp - i[probefunc].ts;
}
END
{
printf(" calls max bytes elapsed nsecs\n");
printf("----- ----- --------- -------------\n");
printf(" read %5d %9d %d\n", i["read"].calls,
i["read"].maxbytes, i["read"].elapsed);
printf(" write %5d %9d %d\n", i["write"].calls,
i["write"].maxbytes, i["write"].elapsed);
}