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vm: fixed review comments
Signed-off-by: philippe <beliasossim@gmail.com>
1 parent 1a084ee commit db9b17f

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‎analyses/org.eclipse.tracecompass.incubator.executioncomparison.core/src/org/eclipse/tracecompass/incubator/internal/executioncomparison/core/DifferentialSeqCallGraphAnalysis.java‎

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@@ -97,9 +97,6 @@ public DifferentialSeqCallGraphAnalysis() {
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// Adding VM/Native analysis
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fCallStackAnalysisMap.put("org.eclipse.linuxtools.lttng2.kernel.tracetype", //$NON-NLS-1$
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"org.eclipse.tracecompass.incubator.internal.virtual.machine.analysis.core.flow.analysis.vm.native.callstack"); //$NON-NLS-1$
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/*fCallStackAnalysisMap.put("org.eclipse.tracecompass.tmf.core.experiment", //$NON-NLS-1$
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"org.eclipse.tracecompass.incubator.overhead.core.analysis.vm.native.callstack"); //$NON-NLS-1$*/
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}
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/**

‎callstack/org.eclipse.tracecompass.incubator.analysis.core/.settings/org.eclipse.m2e.core.prefs‎

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This file was deleted.

‎vm/org.eclipse.tracecompass.incubator.virtual.machine.analysis.core/plugin.xml‎

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@@ -63,17 +63,10 @@
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class="org.eclipse.tracecompass.tmf.core.trace.TmfTrace">
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</tracetype>
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</module>
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<module
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analysis_module="org.eclipse.tracecompass.incubator.internal.virtual.machine.analysis.core.flow.analysis.VMNativeComparisonAnalysis"
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id="org.eclipse.tracecompass.incubator.internal.virtual.machine.analysis.core.flow.analysis.vmcomparison"
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name="VM vs Native Comparison">
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<tracetype
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class="org.eclipse.tracecompass.tmf.core.trace.experiment.TmfExperiment">
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</tracetype>
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</module>
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<module
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analysis_module="org.eclipse.tracecompass.incubator.internal.virtual.machine.analysis.core.flow.analysis.VMNativeCallStackAnalysis"
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applies_experiment="true"
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automatic="false"
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id="org.eclipse.tracecompass.incubator.internal.virtual.machine.analysis.core.flow.analysis.vm.native.callstack"
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name="VM Native CallStack">
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<tracetype

‎vm/org.eclipse.tracecompass.incubator.virtual.machine.analysis.core/src/org/eclipse/tracecompass/incubator/internal/virtual/machine/analysis/core/flow/analysis/ExecutionSequence.java‎

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@@ -1,11 +1,17 @@
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/*******************************************************************************
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* Copyright (c) 2026 École Polytechnique de Montréal
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*
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* All rights reserved. This program and the accompanying materials are
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* made available under the terms of the Eclipse Public License 2.0 which
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* accompanies this distribution, and is available at
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* https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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*******************************************************************************/
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package org.eclipse.tracecompass.incubator.internal.virtual.machine.analysis.core.flow.analysis;
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import java.util.ArrayList;
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import java.util.List;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.PrintWriter;
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/**
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* Represents a complete execution sequence in a virtualized environment:
@@ -82,78 +88,6 @@ void setVmEntry(FlowEvent event) {
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this.vmEntry = event;
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}
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/**
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* Prints the execution sequence for debugging purposes.
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* <p>
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* The sequence is printed both to the standard output and appended
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* to a file on disk.
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* </p>
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*
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* @throws IOException
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* if an I/O error occurs while writing to the file
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*/
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void printSequence() throws IOException {
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try (
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FileOutputStream fos = new FileOutputStream(
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new File("/home/philippe/Desktop/virtualized_flow.txt"), true); //$NON-NLS-1$
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PrintWriter writer = new PrintWriter(fos)) {
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// Print guest events
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for (FlowEvent guestEvent : guestEvents) {
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KernelEventInfo evt = guestEvent.kernelEvent;
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System.out.printf(" [GUEST] %s (TID:%d, CPU:%d)\n", evt.name, evt.tid, evt.cpuid); //$NON-NLS-1$
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writer.printf(" [GUEST] %s (TID:%d, CPU:%d)\n", evt.name, evt.tid, evt.cpuid); //$NON-NLS-1$
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}
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// Print VM exit
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if (vmExit != null) {
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System.out.printf(" ↓ [VM_EXIT] %s (CPU:%d, VCPU:%d, exit_reason:%s)\n", //$NON-NLS-1$
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vmExit.kernelEvent.name,
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vmExit.kernelEvent.cpuid,
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vmExit.kernelEvent.vcpuid,
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vmExit.kernelEvent.exitReason);
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writer.printf(" ↓ [VM_EXIT] %s (CPU:%d, VCPU:%d, exit_reason:%s)\n", //$NON-NLS-1$
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vmExit.kernelEvent.name,
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vmExit.kernelEvent.cpuid,
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vmExit.kernelEvent.vcpuid,
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vmExit.kernelEvent.exitReason);
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}
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// Print hypervisor events
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for (FlowEvent hypervisorEvent : hypervisorEvents) {
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KernelEventInfo evt = hypervisorEvent.kernelEvent;
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System.out.printf(" [HOST] %s (PID:%d, CPU:%d)\n", //$NON-NLS-1$
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evt.name, evt.pid, evt.cpuid);
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writer.printf(" [HOST] %s (PID:%d, CPU:%d)\n", //$NON-NLS-1$
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evt.name, evt.pid, evt.cpuid);
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}
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// Print VM entry
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if (vmEntry != null) {
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System.out.printf(" ↑ [VM_ENTRY] %s (CPU:%d, VCPU:%d)\n", //$NON-NLS-1$
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vmEntry.kernelEvent.name,
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vmEntry.kernelEvent.cpuid,
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vmEntry.kernelEvent.vcpuid);
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writer.printf(" ↑ [VM_ENTRY] %s (CPU:%d, VCPU:%d)\n", //$NON-NLS-1$
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vmEntry.kernelEvent.name,
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vmEntry.kernelEvent.cpuid,
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vmEntry.kernelEvent.vcpuid);
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}
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// Print timing summary
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if (!guestEvents.isEmpty() && vmEntry != null) {
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long totalDuration = vmEntry.kernelEvent.timestamp
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- guestEvents.get(0).kernelEvent.timestamp;
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System.out.printf(" Total sequence duration: %d µs\n", totalDuration / 1000); //$NON-NLS-1$
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writer.printf(" Total sequence duration: %d µs\n", totalDuration / 1000); //$NON-NLS-1$
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}
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}
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}
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/**
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* Indicates whether the execution sequence is complete.
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* <p>

‎vm/org.eclipse.tracecompass.incubator.virtual.machine.analysis.core/src/org/eclipse/tracecompass/incubator/internal/virtual/machine/analysis/core/flow/analysis/ExitReasonMap.java‎

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/*******************************************************************************
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* Copyright (c) 2026 École Polytechnique de Montréal
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*
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* All rights reserved. This program and the accompanying materials are
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* made available under the terms of the Eclipse Public License 2.0 which
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* accompanies this distribution, and is available at
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* https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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*******************************************************************************/
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package org.eclipse.tracecompass.incubator.internal.virtual.machine.analysis.core.flow.analysis;
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import java.util.HashMap;
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/**
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* Mapping of Exit reason number to their text description
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*
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* @author Francois Belias
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*/
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public class ExitReasonMap {

‎vm/org.eclipse.tracecompass.incubator.virtual.machine.analysis.core/src/org/eclipse/tracecompass/incubator/internal/virtual/machine/analysis/core/flow/analysis/FlowEvent.java‎

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/*******************************************************************************
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* Copyright (c) 2026 École Polytechnique de Montréal
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*
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* All rights reserved. This program and the accompanying materials are
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* made available under the terms of the Eclipse Public License 2.0 which
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* accompanies this distribution, and is available at
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* https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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*******************************************************************************/
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package org.eclipse.tracecompass.incubator.internal.virtual.machine.analysis.core.flow.analysis;
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/**

‎vm/org.eclipse.tracecompass.incubator.virtual.machine.analysis.core/src/org/eclipse/tracecompass/incubator/internal/virtual/machine/analysis/core/flow/analysis/KernelEventInfo.java‎

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/*******************************************************************************
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* Copyright (c) 2026 École Polytechnique de Montréal
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*
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* All rights reserved. This program and the accompanying materials are
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* made available under the terms of the Eclipse Public License 2.0 which
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* accompanies this distribution, and is available at
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* https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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*******************************************************************************/
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package org.eclipse.tracecompass.incubator.internal.virtual.machine.analysis.core.flow.analysis;
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‎vm/org.eclipse.tracecompass.incubator.virtual.machine.analysis.core/src/org/eclipse/tracecompass/incubator/internal/virtual/machine/analysis/core/flow/analysis/KvmExitAnalysisModule.java‎

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/***********************************************************************
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* KVM Exit Analysis Module
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* This module analyzes and tracks KVM exit event per cpu
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***********************************************************************/
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/*******************************************************************************
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* Copyright (c) 2026 École Polytechnique de Montréal
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*
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* All rights reserved. This program and the accompanying materials are
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* made available under the terms of the Eclipse Public License 2.0 which
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* accompanies this distribution, and is available at
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* https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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*******************************************************************************/
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package org.eclipse.tracecompass.incubator.internal.virtual.machine.analysis.core.flow.analysis;
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/**
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* Analysis module that builds a state system from KVM exit events in a trace.
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* It tracks the number and types of VM exits for each CPU.
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*
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* @author Francois Belias
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*/
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public class KvmExitAnalysisModule extends TmfStateSystemAnalysisModule {
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‎vm/org.eclipse.tracecompass.incubator.virtual.machine.analysis.core/src/org/eclipse/tracecompass/incubator/internal/virtual/machine/analysis/core/flow/analysis/KvmExitStateProvider.java‎

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/*******************************************************************************
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* KVM Exit State Provider
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* This state provider processes trace events related to KVM exits
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* Copyright (c) 2026 École Polytechnique de Montréal
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*
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* All rights reserved. This program and the accompanying materials are
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* made available under the terms of the Eclipse Public License 2.0 which
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* accompanies this distribution, and is available at
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* https://www.eclipse.org/legal/epl-2.0/
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*
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* SPDX-License-Identifier: EPL-2.0
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*******************************************************************************/
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package org.eclipse.tracecompass.incubator.internal.virtual.machine.analysis.core.flow.analysis;
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