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/*
* 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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
import org.opensolaris.os.dtrace.*;
/**
* Regression for bug 6413280 lookupKernelFunction() and
* lookupUserFunction() truncate last character.
*/
public class TestFunctionLookup {
static final String kernelLookupProgram = "sdt:::callout-start { " +
"@[((callout_t *)arg0)->c_func] = count(); }";
static final String userLookupProgram = "pid$target::f2:entry { " +
"@[arg0] = count(); }";
public static void
main(String[] args)
{
if (args.length != 1) {
System.err.println("usage: java TestFunctionLookup <command>");
System.exit(1);
}
String cmd = args[0];
Consumer consumer = new LocalConsumer();
try {
consumer.open();
consumer.compile(kernelLookupProgram);
consumer.enable();
consumer.go();
Aggregate a;
Number address;
String f;
boolean done = false;
for (int i = 0; (i < 20) && !done; ++i) {
Thread.currentThread().sleep(100);
a = consumer.getAggregate();
for (Aggregation agg : a.getAggregations()) {
for (Tuple tuple : agg.asMap().keySet()) {
address = (Number)tuple.get(0).getValue();
if (address instanceof Integer) {
int addr = (Integer)address;
f = consumer.lookupKernelFunction(addr);
} else {
long addr = (Long)address;
f = consumer.lookupKernelFunction(addr);
}
if (f.equals("genunix`cv_wakeup")) {
System.out.println(f);
done = true;
}
}
}
}
consumer.close();
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
}
consumer = new LocalConsumer();
try {
consumer.open();
int pid = consumer.createProcess(cmd);
consumer.compile(userLookupProgram);
consumer.enable();
consumer.go();
Thread.currentThread().sleep(500);
Aggregate a = consumer.getAggregate();
Number address;
String f;
for (Aggregation agg : a.getAggregations()) {
for (Tuple tuple : agg.asMap().keySet()) {
address = (Number)tuple.get(0).getValue();
if (address instanceof Integer) {
int addr = (Integer)address;
f = consumer.lookupUserFunction(pid, addr);
} else {
long addr = (Long)address;
f = consumer.lookupUserFunction(pid, addr);
}
System.out.println(f);
}
}
consumer.close();
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
}
}
}
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