--- /dev/null
+<?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 v1.0 which
+* accompanies this distribution, and is available at
+* http://www.eclipse.org/legal/epl-v10.html
+*************************************************************************** -->
+<pattern version="0" id="xml syscall abstraction provider">
+ <head>
+ <traceType id="org.eclipse.linuxtools.lttng2.kernel.tracetype" />
+ <label value="xml syscall abstraction provider" />
+ </head>
+
+<!-- STORED FIELDS -->
+
+ <storedField id="filename"/>
+ <storedField id="fd"/>
+ <storedField id="ret" alias="ret"/>
+ <storedField id="flags" alias="flags"/>
+ <storedField id="offset" alias="offset"/>
+ <storedField id="fd_in" alias="fd_in"/>
+ <storedField id="fd_out" alias="fd_out"/>
+ <storedField id="uservaddr" alias="uservaddr"/>
+ <storedField id="upeer_sockaddr" alias="upeer_sockaddr"/>
+
+<!-- SHORTCUTS -->
+
+<!-- Shorcut for the current running thread attribute -->
+ <location id="CurrentThread">
+ <stateAttribute type="constant" value="Threads" />
+ <stateAttribute type="query">
+ <stateAttribute type="constant" value="CPUs" />
+ <stateAttribute type="eventField" value="cpu" />
+ <stateAttribute type="constant" value="Current_thread" />
+ </stateAttribute>
+ </location>
+<!-- Shorcut for the current CPU attribute -->
+ <location id="CurrentCPU">
+ <stateAttribute type="constant" value="CPUs" />
+ <stateAttribute type="eventField" value="cpu" />
+ </location>
+<!-- Shortcut for the current scenario -->
+ <location id="CurrentScenario">
+ <stateAttribute type="constant" value="pattern" />
+ <stateAttribute type="constant" value="scenarios" />
+ <stateAttribute type="constant" value="#scenarioName" />
+ </location>
+
+<!-- The attribute initial specifies the FSMs that will be instanciated at the beginning of the analysis -->
+ <patternHandler initial="sched_switch:syscall">
+
+<!-- CONDITIONS -->
+
+<!-- This condition check if the current running thread PID is 1311 -->
+ <test id="tid_8998">
+ <if>
+ <condition>
+ <stateValue type="query">
+ <stateAttribute type="location" value="CurrentCPU" />
+ <stateAttribute type="constant" value="Current_thread" />
+ </stateValue>
+ <stateValue type="long" value="8998" />
+ </condition>
+ </if>
+ </test>
+<!-- Test this : if ( !(1 ns < ts < 3 ns) || ((ts -state.syscall_entry_x.ts) < 3 ns) ) -->
+ <test id="time_condition">
+ <if>
+ <or>
+ <not>
+ <condition>
+ <timerange unit="ns">
+ <in begin="1" end="3" />
+ </timerange>
+ </condition>
+ </not>
+ <condition>
+ <elapsedTime unit="ns">
+ <less since="syscall_entry_x" value="3" />
+ </elapsedTime>
+ </condition>
+ </or>
+ </if>
+ </test>
+<!-- Test if the current running thread PID is equal to the current scenario thread -->
+ <test id="thread_thread">
+ <if>
+ <condition>
+ <stateValue type="query" >
+ <stateAttribute type="location" value="CurrentCPU" />
+ <stateAttribute type="constant" value="Current_thread" />
+ </stateValue>
+ <stateValue type="query">
+ <stateAttribute type="location" value="CurrentScenario" />
+ <stateAttribute type="constant" value="thread" />
+ </stateValue>
+ </condition>
+ </if>
+ </test>
+
+<!-- ACTIONS -->
+
+<!-- Generates three state changes in the state system -->
+ <action id="sys_x_founded">
+<!-- Save the name of the system call executed under the current scenario path-->
+ <stateChange>
+ <stateAttribute type="location" value="CurrentScenario" />
+ <stateAttribute type="constant" value="syscall" />
+ <stateAttribute type="constant" value="name" />
+ <stateValue type="eventName"/>
+ </stateChange>
+<!-- Save the value of the CPU under the current scenario path -->
+ <stateChange>
+ <stateAttribute type="location" value="CurrentScenario" />
+ <stateAttribute type="constant" value="cpu" />
+ <stateValue type="eventField" value="cpu"/>
+ </stateChange>
+<!-- Save the value of the current thread PID under the current scenario path -->
+ <stateChange>
+ <stateAttribute type="location" value="CurrentScenario" />
+ <stateAttribute type="constant" value="thread" />
+ <stateValue type="query">
+ <stateAttribute type="location" value="CurrentCPU" />
+ <stateAttribute type="constant" value="Current_thread" />
+ </stateValue>
+ </stateChange>
+ </action>
+
+<!-- Generate a pattern segment -->
+ <action id="exit_syscall_founded">
+<!-- Generate a pattern segment with the name of the system call of the current scenario-->
+ <segment>
+ <segType>
+ <segName>
+ <stateValue type="query">
+ <stateAttribute type="location" value="CurrentScenario" />
+ <stateAttribute type="constant" value="syscall" />
+ <stateAttribute type="constant" value="name" />
+ </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_x">
+<!-- Validate that PID == 1311 before going to the initial state -->
+ <initial>
+ <transition cond="tid_8998" target="wait_syscall_entry_x" />
+ </initial>
+ <state id="wait_syscall_entry_x">
+<!-- The state will stay here until we have a "syscall_entry_*" event -->
+ <transition event="syscall_entry_*" target="syscall_entry_x" action="sys_x_founded" saveStoredFields="true"/>
+ </state>
+ <state id="syscall_entry_x" >
+<!-- The state will stay here until we have a "syscall_exit_*" event -->
+ <transition event="syscall_exit_*" cond="thread_thread" target="syscall_exit_x" action="exit_syscall_founded" saveStoredFields="true" clearStoredFields="true"/>
+ </state>
+<!-- The state will stay here forever -->
+ <final id="syscall_exit_x"/>
+ </fsm>
+
+ <!-- SCHED_SWITCH FSM ACTIONS -->
+<!-- Update the value of the current running thread -->
+ <action id="update Current_thread">
+ <stateChange>
+ <stateAttribute type="location" value="CurrentCPU" />
+ <stateAttribute type="constant" value="Current_thread" />
+ <stateValue type="eventField" value="next_tid" />
+ </stateChange>
+ </action>
+<!-- sched_switch fsm
+ Declare an FSM to update the value of the current thread running.
+ The FSM will generate a state change to update the current thread, each time that it will meet a sched_switch event.
+-->
+ <fsm id="sched_switch" multiple="false">
+<!-- if event.name != sched_switch, no processing will be done -->
+ <initial>
+ <transition target="sched_switch"/>
+ <precondition event="sched_switch"/>
+ </initial>
+ <state id="sched_switch">
+<!-- The state will stay here forever and execute the action "update current thread" each time a sched_switch event will be meet-->
+ <transition target="sched_switch" action="update Current_thread" />
+ </state>
+ </fsm>
+ </patternHandler>
+</pattern>
+</tmfxml>
\ No newline at end of file
projects / deliverable / tracecompass.git / commitdiff
