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106 lines
4.4 KiB
Plaintext
106 lines
4.4 KiB
Plaintext
Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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This code is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License version 2 only, as
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published by the Free Software Foundation.
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This code is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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version 2 for more details (a copy is included in the LICENSE file that
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accompanied this code).
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You should have received a copy of the GNU General Public License version
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2 along with this work; if not, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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or visit www.oracle.com if you need additional information or have any
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questions.
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DESCRIPTION
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The purpose of this library is gathering diagnostic information on test
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failures and timeouts. The library runs platform specific tools, which are
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configured in the way described below. The collected data will be available
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in HTML format next to JTR files.
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The library uses JTHarness Observer and jtreg TimeoutHandler extensions points.
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DEPENDENCES
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The library requires jtreg 4b13+ and JDK 7+.
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BUILDING
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The library is built using the top level build-test-failure-handler target and
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is automatically included in the test image and picked up by hotspot and jdk
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test makefiles.
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CONFIGURATION
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Properties files are used to configure the library. They define which actions
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to be performed in case of individual test failure or timeout. Each platform
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family uses its own property file (named '<platform>.properties'). For platform
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independent actions, 'common.properties' is used.
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Actions to be performed on each failure are listed in 'environment' property.
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Extra actions for timeouts are listed in 'onTimeout'.
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Each action is defined via the following parameters:
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- 'javaOnly' -- run the action only for java applications, false by default
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- 'app' -- an application to run, mandatory parameter
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- 'args' -- application command line arguments, none by default
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- 'params' -- a structure which defines how an application should be run,
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described below
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Actions listed in 'onTimeout' are "patterned" actions. Besides the parameters
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listed above, they also have 'pattern' parameter -- a string which will be
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replaced by PID in 'args' parameter before action execution.
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'params' structure has the following parameters:
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- repeat -- how many times an action will be run, 1 by default
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- pause -- delay in ms between iterations, 500 by default
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- timeout -- time limitation for iteration in ms, 20 000 by default
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- stopOnError -- if true, an action will be interrupted after the first error,
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false by default
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From '<platform>.properties', the library reads the following parameters
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- 'config.execSuffix' -- a suffix for all binary application file names
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- 'config.getChildren' -- a "patterned" action used to get the list of all
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children
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For simplicity we use parameter values inheritance. This means that we are
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looking for the most specified parameter value. If we do not find it, we are
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trying to find less specific value by reducing prefix.
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For example, if properties contains 'p1=A', 'a.p1=B', 'a.b.p1=C', then
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parameter 'p1' will be:
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- 'C' for 'a.b.c'
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- 'B' for 'a.c'
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- 'A' for 'b.c'
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RUNNING
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To enable the library in jtreg, the following options should be set:
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- '-timeoutHandlerDir' points to the built jar ('jtregFailureHandler.jar')
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- '-observerDir' points to the built jar
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- '-timeoutHandler' equals to jdk.test.failurehandler.jtreg.GatherProcessInfoTimeoutHandler
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- '-observer' equals to jdk.test.failurehandler.jtreg.GatherDiagnosticInfoObserver
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In case of environment issues during an action execution, such as missing
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application, hung application, lack of disk space, etc, the corresponding
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warning appears and the library proceeds to next action.
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EXAMPLES
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$ ${JTREG_HOME}/bin/jtreg -jdk:${JAVA_HOME} \
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-timeoutHandlerDir:./image/lib/jtregFailureHandler.jar \
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-observerDir:./image/lib/jtregFailureHandler.jar \
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-timeoutHandler:jdk.test.failurehandler.jtreg.GatherProcessInfoTimeoutHandler\
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-observer:jdk.test.failurehandler.jtreg.GatherDiagnosticInfoObserver \
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${WS}/hotspot/test/
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