java_api/src/TestFunctionLookup.java

	TestFunctionLookup.java revision 23b5c241225a8ade2b6b9f06ebb891ee459e3b02
/*
 * 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.
 *
 * ident    "%Z%%M% %I% %E% SMI"
 */

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`setrun")) {
                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);
    }
    }
}