Mercurial > hg > graal-compiler
view graal/com.oracle.jvmci.debug/src/com/oracle/jvmci/debug/DebugMetric.java @ 21652:5f3dda39d205
Truffle: add DynamicObject#containsKey, make flags parameter optional, minor simplifications
author | Andreas Woess <andreas.woess@oracle.com> |
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date | Mon, 01 Jun 2015 12:55:56 +0200 |
parents | b1530a6cce8c |
children |
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/* * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.jvmci.debug; /** * A counter for some value of interest. */ public interface DebugMetric { /** * Adds 1 to this counter if metering is {@link Debug#isMeterEnabled() enabled} or this is an * {@linkplain #isConditional() unconditional} metric. */ void increment(); /** * Adds {@code value} to this counter if metering is {@link Debug#isMeterEnabled() enabled} or * this is an {@linkplain #isConditional() unconditional} metric. */ void add(long value); /** * Sets a flag determining if this counter is only enabled if metering is * {@link Debug#isMeterEnabled() enabled}. */ void setConditional(boolean flag); /** * Determines if this counter is only enabled if metering is {@link Debug#isMeterEnabled() * enabled}. */ boolean isConditional(); /** * Gets the current value of this metric. */ long getCurrentValue(); /** * Determines if this counter is enabled (either conditionally or unconditionally). */ default boolean isEnabled() { return !isConditional() || Debug.isMeterEnabled(); } }