| /******************************************************************************* |
| * Copyright (c) 2012, 2015 Ericsson |
| * |
| * All rights reserved. This program and the accompanying materials are |
| * made available under the terms of the Eclipse Public License 2.0 which |
| * accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Alexandre Montplaisir - Initial API and implementation |
| ******************************************************************************/ |
| |
| package org.eclipse.tracecompass.analysis.os.linux.core.kernel; |
| |
| import org.eclipse.tracecompass.statesystem.core.statevalue.ITmfStateValue; |
| import org.eclipse.tracecompass.statesystem.core.statevalue.TmfStateValue; |
| |
| /** |
| * State values that are used in the kernel event handler. It's much better to |
| * use integer values whenever possible, since those take much less space in the |
| * history file. |
| * |
| * @author Alexandre Montplaisir |
| * @noimplement This interface is not intended to be implemented by clients. |
| * @since 2.0 |
| */ |
| @SuppressWarnings("javadoc") |
| public interface StateValues { |
| |
| /* CPU Status */ |
| int CPU_STATUS_IDLE = 0; |
| /** |
| * Soft IRQ raised, could happen in the CPU attribute but should not since |
| * this means that the CPU went idle when a softirq was raised. |
| */ |
| int CPU_STATUS_SOFT_IRQ_RAISED = (1 << 0); |
| int CPU_STATUS_RUN_USERMODE = (1 << 1); |
| int CPU_STATUS_RUN_SYSCALL = (1 << 2); |
| int CPU_STATUS_SOFTIRQ = (1 << 3); |
| int CPU_STATUS_IRQ = (1 << 4); |
| |
| ITmfStateValue CPU_STATUS_IDLE_VALUE = TmfStateValue.newValueInt(CPU_STATUS_IDLE); |
| ITmfStateValue CPU_STATUS_RUN_USERMODE_VALUE = TmfStateValue.newValueInt(CPU_STATUS_RUN_USERMODE); |
| ITmfStateValue CPU_STATUS_RUN_SYSCALL_VALUE = TmfStateValue.newValueInt(CPU_STATUS_RUN_SYSCALL); |
| ITmfStateValue CPU_STATUS_IRQ_VALUE = TmfStateValue.newValueInt(CPU_STATUS_IRQ); |
| ITmfStateValue CPU_STATUS_SOFTIRQ_VALUE = TmfStateValue.newValueInt(CPU_STATUS_SOFTIRQ); |
| |
| /** Soft IRQ is raised, CPU is in user mode */ |
| ITmfStateValue SOFT_IRQ_RAISED_VALUE = TmfStateValue.newValueInt(CPU_STATUS_SOFT_IRQ_RAISED); |
| |
| /** If the softirq is running and another is raised at the same time. */ |
| ITmfStateValue SOFT_IRQ_RAISED_RUNNING_VALUE = TmfStateValue.newValueInt(CPU_STATUS_SOFT_IRQ_RAISED | CPU_STATUS_SOFTIRQ); |
| } |