| <?xml version="1.0" encoding="UTF-8"?> |
| <tmfxml xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" |
| xsi:noNamespaceSchemaLocation="xmlDefinition.xsd"> |
| <!-- *************************************************************************** |
| * Copyright (c) 2016 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 |
| *************************************************************************** --> |
| <!-- This XML pattern is the XML version of the System call latency analysis |
| for the kernel traces. It will produce the same output. This file can also |
| be found in the unit tests of the TraceCompass's XML core test package --> |
| |
| |
| <pattern version="0" id="xml.syscall.cpu.time"> |
| <head> |
| <traceType id="org.eclipse.linuxtools.lttng2.kernel.tracetype" /> |
| <label value="XML System Call CPU time" /> |
| </head> |
| |
| <!-- The attribute initial specifies the FSMs that will be instanciated at the beginning of the analysis --> |
| <patternHandler initial="syscall"> |
| |
| <!-- CONDITIONS --> |
| |
| <!-- Test if the current running thread PID is equal to the current scenario thread --> |
| <test id="thread_thread"> |
| <if> |
| <condition> |
| <stateValue type="eventField" value="tid" /> |
| <stateValue type="query"> |
| <stateAttribute type="constant" value="#CurrentScenario" /> |
| <stateAttribute type="constant" value="thread" /> |
| </stateValue> |
| </condition> |
| </if> |
| </test> |
| |
| <!-- ACTIONS --> |
| |
| <!-- Generates three state changes in the state system --> |
| <action id="entering_syscall"> |
| <!-- Save the name of the system call executed under the current scenario path--> |
| <stateChange> |
| <stateAttribute type="constant" value="#CurrentScenario" /> |
| <stateAttribute type="constant" value="tid" /> |
| <stateValue type="eventField" value="tid"/> |
| </stateChange> |
| <stateChange> |
| <stateAttribute type="constant" value="#CurrentScenario" /> |
| <stateAttribute type="constant" value="syscall" /> |
| <stateValue type="script" value="str.substring(14)"> |
| <stateValue id="str" type="eventName"/> |
| </stateValue> |
| </stateChange> |
| <!-- Save the value of the CPU under the current scenario path --> |
| <stateChange> |
| <stateAttribute type="constant" value="Syscalls" /> |
| <stateAttribute type="query"> |
| <stateAttribute type="constant" value="#CurrentScenario" /> |
| <stateAttribute type="constant" value="syscall" /> |
| </stateAttribute> |
| <stateAttribute type="pool"/> |
| <stateAttribute type="constant" value="CallStack"/> |
| <stateValue type="script" value="str.substring(14)" stack="push"> |
| <stateValue id="str" type="eventName"/> |
| </stateValue> |
| </stateChange> |
| <stateChange> |
| <stateAttribute type="constant" value="Syscalls" /> |
| <stateAttribute type="query"> |
| <stateAttribute type="constant" value="#CurrentScenario" /> |
| <stateAttribute type="constant" value="syscall" /> |
| </stateAttribute> |
| <stateAttribute type="pool"/> |
| <stateValue type="eventField" value="tid"/> |
| </stateChange> |
| </action> |
| |
| <!-- Generate a pattern segment --> |
| <action id="exiting_syscall"> |
| <!-- Generate a pattern segment with the name of the system call of the current scenario--> |
| <stateChange> |
| <stateAttribute type="constant" value="Syscalls" /> |
| <stateAttribute type="query"> |
| <stateAttribute type="constant" value="#CurrentScenario" /> |
| <stateAttribute type="constant" value="syscall" /> |
| </stateAttribute> |
| <stateAttribute type="pool"/> |
| <stateAttribute type="constant" value="CallStack"/> |
| <stateValue type="delete" stack="pop"/> |
| </stateChange> |
| <segment> |
| <segType> |
| <segName> |
| <stateValue type="query"> |
| <stateAttribute type="constant" value="#CurrentScenario" /> |
| <stateAttribute type="constant" value="syscall" /> |
| </stateValue> |
| </segName> |
| </segType> |
| </segment> |
| </action> |
| |
| <!-- FSMs --> |
| |
| <!-- System call FSM |
| Declare an FSM to match all the system calls on thread 1311. |
| The FSM will generate pattern segments that will represent the system calls found |
| --> |
| <fsm id="syscall" initial="wait_syscall_entry"> |
| <state id="wait_syscall_entry"> |
| <!-- The state will stay here until we have a "syscall_entry_*" event --> |
| <transition event="syscall_entry_*" target="in_syscall" action="entering_syscall"/> |
| </state> |
| <state id="in_syscall" > |
| <!-- The state will stay here until we have a "syscall_exit_*" event --> |
| <transition event="syscall_exit_*" cond="thread_thread" target="syscall_exit" action="exiting_syscall"/> |
| </state> |
| <!-- The state will stay here forever --> |
| <final id="syscall_exit"/> |
| </fsm> |
| </patternHandler> |
| </pattern> |
| |
| </tmfxml> |
