| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2012, 2015 Ericsson |
| 3 | * |
| 4 | * All rights reserved. This program and the accompanying materials are |
| 5 | * made available under the terms of the Eclipse Public License v1.0 which |
| 6 | * accompanies this distribution, and is available at |
| 7 | * http://www.eclipse.org/legal/epl-v10.html |
| 8 | * |
| 9 | * Contributors: |
| 10 | * Alexandre Montplaisir - Initial API and implementation |
| 11 | ******************************************************************************/ |
| 12 | |
| 13 | package org.lttng.scope.lttng.kernel.core.analysis.os; |
| 14 | |
| 15 | import ca.polymtl.dorsal.libdelorean.statevalue.ITmfStateValue; |
| 16 | import ca.polymtl.dorsal.libdelorean.statevalue.TmfStateValue; |
| 17 | |
| 18 | /** |
| 19 | * State values that are used in the kernel event handler. It's much better to |
| 20 | * use integer values whenever possible, since those take much less space in the |
| 21 | * history file. |
| 22 | * |
| 23 | * @author Alexandre Montplaisir |
| 24 | * @noimplement This interface is not intended to be implemented by clients. |
| 25 | */ |
| 26 | @SuppressWarnings("javadoc") |
| 27 | public interface StateValues { |
| 28 | |
| 29 | /* Process status */ |
| 30 | int PROCESS_STATUS_UNKNOWN = 0; |
| 31 | int PROCESS_STATUS_WAIT_BLOCKED = 1; |
| 32 | int PROCESS_STATUS_RUN_USERMODE = 2; |
| 33 | int PROCESS_STATUS_RUN_SYSCALL = 3; |
| 34 | int PROCESS_STATUS_INTERRUPTED = 4; |
| 35 | int PROCESS_STATUS_WAIT_FOR_CPU = 5; |
| 36 | int PROCESS_STATUS_WAIT_UNKNOWN = 6; |
| 37 | |
| 38 | ITmfStateValue PROCESS_STATUS_UNKNOWN_VALUE = TmfStateValue.newValueInt(PROCESS_STATUS_UNKNOWN); |
| 39 | ITmfStateValue PROCESS_STATUS_WAIT_UNKNOWN_VALUE = TmfStateValue.newValueInt(PROCESS_STATUS_WAIT_UNKNOWN); |
| 40 | ITmfStateValue PROCESS_STATUS_WAIT_BLOCKED_VALUE = TmfStateValue.newValueInt(PROCESS_STATUS_WAIT_BLOCKED); |
| 41 | ITmfStateValue PROCESS_STATUS_RUN_USERMODE_VALUE = TmfStateValue.newValueInt(PROCESS_STATUS_RUN_USERMODE); |
| 42 | ITmfStateValue PROCESS_STATUS_RUN_SYSCALL_VALUE = TmfStateValue.newValueInt(PROCESS_STATUS_RUN_SYSCALL); |
| 43 | ITmfStateValue PROCESS_STATUS_INTERRUPTED_VALUE = TmfStateValue.newValueInt(PROCESS_STATUS_INTERRUPTED); |
| 44 | ITmfStateValue PROCESS_STATUS_WAIT_FOR_CPU_VALUE = TmfStateValue.newValueInt(PROCESS_STATUS_WAIT_FOR_CPU); |
| 45 | |
| 46 | /* CPU Status */ |
| 47 | int CPU_STATUS_IDLE = 0; |
| 48 | /** |
| 49 | * Soft IRQ raised, could happen in the CPU attribute but should not since |
| 50 | * this means that the CPU went idle when a softirq was raised. |
| 51 | */ |
| 52 | int CPU_STATUS_SOFT_IRQ_RAISED = (1 << 0); |
| 53 | int CPU_STATUS_RUN_USERMODE = (1 << 1); |
| 54 | int CPU_STATUS_RUN_SYSCALL = (1 << 2); |
| 55 | int CPU_STATUS_SOFTIRQ = (1 << 3); |
| 56 | int CPU_STATUS_IRQ = (1 << 4); |
| 57 | |
| 58 | ITmfStateValue CPU_STATUS_IDLE_VALUE = TmfStateValue.newValueInt(CPU_STATUS_IDLE); |
| 59 | ITmfStateValue CPU_STATUS_RUN_USERMODE_VALUE = TmfStateValue.newValueInt(CPU_STATUS_RUN_USERMODE); |
| 60 | ITmfStateValue CPU_STATUS_RUN_SYSCALL_VALUE = TmfStateValue.newValueInt(CPU_STATUS_RUN_SYSCALL); |
| 61 | ITmfStateValue CPU_STATUS_IRQ_VALUE = TmfStateValue.newValueInt(CPU_STATUS_IRQ); |
| 62 | ITmfStateValue CPU_STATUS_SOFTIRQ_VALUE = TmfStateValue.newValueInt(CPU_STATUS_SOFTIRQ); |
| 63 | |
| 64 | /** Soft IRQ is raised, CPU is in user mode */ |
| 65 | ITmfStateValue SOFT_IRQ_RAISED_VALUE = TmfStateValue.newValueInt(CPU_STATUS_SOFT_IRQ_RAISED); |
| 66 | |
| 67 | /** If the softirq is running and another is raised at the same time. */ |
| 68 | ITmfStateValue SOFT_IRQ_RAISED_RUNNING_VALUE = TmfStateValue.newValueInt(CPU_STATUS_SOFT_IRQ_RAISED | CPU_STATUS_SOFTIRQ); |
| 69 | } |