test/java/util/logging/LoggerWeakRefLeak.sh - platform/external/jetbrains/jdk8u_jdk - Git at Google

 #!/bin/sh

 #
 # Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License version 2 only, as
 # published by the Free Software Foundation.
 #
 # This code is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 # version 2 for more details (a copy is included in the LICENSE file that
 # accompanied this code).
 #
 # You should have received a copy of the GNU General Public License version
 # 2 along with this work; if not, write to the Free Software Foundation,
 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 # or visit www.oracle.com if you need additional information or have any
 # questions.
 #

 # @test
 # @bug 6942989
 # @summary Check for WeakReference leak in Logger objects
 # @author Daniel D. Daugherty
 #
 # @library ../../../sun/tools/common
 # @build SimpleApplication ShutdownSimpleApplication
 # @build LoggerWeakRefLeak
 # @run shell/timeout=240 LoggerWeakRefLeak.sh

 # The timeout is: 2 minutes for infrastructure and 2 minutes for the test
 #

 . ${TESTSRC}/../../../sun/tools/common/CommonSetup.sh
 . ${TESTSRC}/../../../sun/tools/common/ApplicationSetup.sh


 TEST_NAME="LoggerWeakRefLeak"
 TARGET_CLASS="java\.lang\.ref\.WeakReference"


 # MAIN begins here
 #

 seconds=
 if [ "$#" -gt 0 ]; then
     seconds="$1"
 fi

 # see if this version of jmap supports the '-histo:live' option
 jmap_option="-histo:live"
 set +e
 "${JMAP}" 2>&1 | grep ':live' > /dev/null 2>&1
 status="$?"
 set -e
 if [ "$status" != 0 ]; then
     # usage message doesn't show ':live' option

     if $isWindows; then
         # If SA isn't present, then jmap gives a different usage message
         # that doesn't show the ':live' option. However, that's a bug that
         # is covered by 6971851 so we try using the option just to be sure.
         # For some reason, this problem has only been seen on OpenJDK6 on
         # Windows. Not sure why.
         set +e
         # Note: Don't copy this code to try probing process 0 on Linux; it
         # will kill the process group in strange ways.
         "${JMAP}" "$jmap_option" 0 2>&1 | grep 'Usage' > /dev/null 2>&1
         status="$?"
         set -e
         if [ "$status" = 0 ]; then
             # Usage message generated so flag the problem.
             status=1
         else
             # No usage message so clear the flag.
             status=0
         fi
     fi

     if [ "$status" != 0 ]; then
         echo "WARNING: 'jmap $jmap_option' is not supported on this platform"
         echo "WARNING: so this test cannot work reliably. Aborting!"
         exit 0
     fi
 fi

 # Start application and use TEST_NAME.port for coordination
 startApplication "$TEST_NAME" "$TEST_NAME.port" $seconds

 finished_early=false

 decreasing_cnt=0
 increasing_cnt=0
 loop_cnt=0
 prev_instance_cnt=0

 MAX_JMAP_TRY_CNT=10
 jmap_retry_cnt=0
 loop_cnt_on_retry=0

 while true; do
     # see if the target process has finished its run and bail if it has
     set +e
     grep "^INFO: final loop count = " "$appOutput" > /dev/null 2>&1
     status="$?"
     set -e
     if [ "$status" = 0 ]; then
         break
     fi

     # Output format for 'jmap -histo' in JDK1.5.0:
     #
     #     <#bytes> <#instances> <class_name>
     #
     # Output format for 'jmap -histo:live':
     #
     #     <num>: <#instances> <#bytes> <class_name>
     #
     set +e
     "${JMAP}" "$jmap_option" "$appJavaPid" > "$TEST_NAME.jmap" 2>&1
     status="$?"
     set -e

     if [ "$status" != 0 ]; then
         echo "INFO: jmap exited with exit code = $status"

         # There are intermittent jmap failures; see 6498448.
         #
         # So far the following have been observed in a jmap call
         # that was not in a race with target process termination:
         #
         # (Solaris specific, 2nd sample)
         # <pid>: Unable to open door: target process not responding or HotSpot VM not loaded
         # The -F option can be used when the target process is not responding
         #
         # (on Solaris so far)
         # java.io.IOException
         #
         # (on Solaris so far, 1st sample)
         # <pid>: Permission denied
         #
         sed 's/^/INFO: /' "$TEST_NAME.jmap"

         if [ "$loop_cnt" = "$loop_cnt_on_retry" ]; then
             # loop count hasn't changed
             jmap_retry_cnt=`expr $jmap_retry_cnt + 1`
         else
             # loop count has changed so remember it
             jmap_retry_cnt=1
             loop_cnt_on_retry="$loop_cnt"
         fi

         # This is '-ge' because we have the original attempt plus
         # MAX_JMAP_TRY_CNT - 1 retries.
         if [ "$jmap_retry_cnt" -ge "$MAX_JMAP_TRY_CNT" ]; then
             echo "INFO: jmap failed $MAX_JMAP_TRY_CNT times in a row" \
                 "without making any progress."
             echo "FAIL: jmap is unable to take any samples." >&2
             killApplication
             exit 2
         fi

         # short delay and try again
         # Note: sleep 1 didn't help with "<pid>: Permission denied"
         sleep 2
         echo "INFO: retrying jmap (retry=$jmap_retry_cnt, loop=$loop_cnt)."
         continue
     fi

     set +e
     instance_cnt=`grep "${PATTERN_WS}${TARGET_CLASS}${PATTERN_EOL}" \
         "$TEST_NAME.jmap" \
         | sed '
             # strip leading whitespace; does nothing in JDK1.5.0
             s/^'"${PATTERN_WS}${PATTERN_WS}"'*//
             # strip <#bytes> in JDK1.5.0; does nothing otherwise
             s/^[1-9][0-9]*'"${PATTERN_WS}${PATTERN_WS}"'*//
             # strip <num>: field; does nothing in JDK1.5.0
             s/^[1-9][0-9]*:'"${PATTERN_WS}${PATTERN_WS}"'*//
             # strip <class_name> field
             s/'"${PATTERN_WS}"'.*//
             '`
     set -e
     if [ -z "$instance_cnt" ]; then
         echo "INFO: instance count is unexpectedly empty"
         if [ "$loop_cnt" = 0 ]; then
             echo "INFO: on the first iteration so no sample was found."
             echo "INFO: There is likely a problem with the sed filter."
             echo "INFO: start of jmap output:"
             cat "$TEST_NAME.jmap"
             echo "INFO: end of jmap output."
             echo "FAIL: cannot find the instance count value." >&2
             killApplication
             exit 2
         fi
     else
         echo "INFO: instance_cnt = $instance_cnt"

         if [ "$instance_cnt" -gt "$prev_instance_cnt" ]; then
             increasing_cnt=`expr $increasing_cnt + 1`
         else
             # actually decreasing or the same
             decreasing_cnt=`expr $decreasing_cnt + 1`

             # For these particular WeakReference leaks, the count was
             # always observed to be increasing so if we get a decreasing
             # or the same count, then the leaks are fixed in the bits
             # being tested.
             echo "INFO: finishing early due to non-increasing instance count."
             finished_early=true
             killApplication
             break
         fi
         prev_instance_cnt="$instance_cnt"
     fi

     # delay between samples
     sleep 5

     loop_cnt=`expr $loop_cnt + 1`
 done

 if [ $finished_early = false ]; then
     stopApplication "$TEST_NAME.port"
     waitForApplication
 fi

 echo "INFO: $TEST_NAME has finished running."
 echo "INFO: increasing_cnt = $increasing_cnt"
 echo "INFO: decreasing_cnt = $decreasing_cnt"
 if [ "$jmap_retry_cnt" -gt 0 ]; then
     echo "INFO: jmap_retry_cnt = $jmap_retry_cnt (in $loop_cnt iterations)"
 fi

 if [ "$loop_cnt" = 0 ]; then
     echo "FAIL: jmap is unable to take any samples." >&2
     exit 2
 fi

 echo "INFO: The instance count of" `eval echo $TARGET_CLASS` "objects"
 if [ "$decreasing_cnt" = 0 ]; then
     echo "INFO: is always increasing."
     echo "FAIL: This indicates that there is a memory leak." >&2
     exit 2
 fi

 echo "INFO: is not always increasing."
 echo "PASS: This indicates that there is not a memory leak."
 exit 0
	#!/bin/sh

	#
	# Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
	# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	#
	# This code is free software; you can redistribute it and/or modify it
	# under the terms of the GNU General Public License version 2 only, as
	# published by the Free Software Foundation.
	#
	# This code is distributed in the hope that it will be useful, but WITHOUT
	# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	# version 2 for more details (a copy is included in the LICENSE file that
	# accompanied this code).
	#
	# You should have received a copy of the GNU General Public License version
	# 2 along with this work; if not, write to the Free Software Foundation,
	# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	#
	# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	# or visit www.oracle.com if you need additional information or have any
	# questions.
	#

	# @test
	# @bug 6942989
	# @summary Check for WeakReference leak in Logger objects
	# @author Daniel D. Daugherty
	#
	# @library ../../../sun/tools/common
	# @build SimpleApplication ShutdownSimpleApplication
	# @build LoggerWeakRefLeak
	# @run shell/timeout=240 LoggerWeakRefLeak.sh

	# The timeout is: 2 minutes for infrastructure and 2 minutes for the test
	#

	. ${TESTSRC}/../../../sun/tools/common/CommonSetup.sh
	. ${TESTSRC}/../../../sun/tools/common/ApplicationSetup.sh


	TEST_NAME="LoggerWeakRefLeak"
	TARGET_CLASS="java\.lang\.ref\.WeakReference"


	# MAIN begins here
	#

	seconds=
	if [ "$#" -gt 0 ]; then
	seconds="$1"
	fi

	# see if this version of jmap supports the '-histo:live' option
	jmap_option="-histo:live"
	set +e
	"${JMAP}" 2>&1 \| grep ':live' > /dev/null 2>&1
	status="$?"
	set -e
	if [ "$status" != 0 ]; then
	# usage message doesn't show ':live' option

	if $isWindows; then
	# If SA isn't present, then jmap gives a different usage message
	# that doesn't show the ':live' option. However, that's a bug that
	# is covered by 6971851 so we try using the option just to be sure.
	# For some reason, this problem has only been seen on OpenJDK6 on
	# Windows. Not sure why.
	set +e
	# Note: Don't copy this code to try probing process 0 on Linux; it
	# will kill the process group in strange ways.
	"${JMAP}" "$jmap_option" 0 2>&1 \| grep 'Usage' > /dev/null 2>&1
	status="$?"
	set -e
	if [ "$status" = 0 ]; then
	# Usage message generated so flag the problem.
	status=1
	else
	# No usage message so clear the flag.
	status=0
	fi
	fi

	if [ "$status" != 0 ]; then
	echo "WARNING: 'jmap $jmap_option' is not supported on this platform"
	echo "WARNING: so this test cannot work reliably. Aborting!"
	exit 0
	fi
	fi

	# Start application and use TEST_NAME.port for coordination
	startApplication "$TEST_NAME" "$TEST_NAME.port" $seconds

	finished_early=false

	decreasing_cnt=0
	increasing_cnt=0
	loop_cnt=0
	prev_instance_cnt=0

	MAX_JMAP_TRY_CNT=10
	jmap_retry_cnt=0
	loop_cnt_on_retry=0

	while true; do
	# see if the target process has finished its run and bail if it has
	set +e
	grep "^INFO: final loop count = " "$appOutput" > /dev/null 2>&1
	status="$?"
	set -e
	if [ "$status" = 0 ]; then
	break
	fi

	# Output format for 'jmap -histo' in JDK1.5.0:
	#
	# <#bytes> <#instances> <class_name>
	#
	# Output format for 'jmap -histo:live':
	#
	# <num>: <#instances> <#bytes> <class_name>
	#
	set +e
	"${JMAP}" "$jmap_option" "$appJavaPid" > "$TEST_NAME.jmap" 2>&1
	status="$?"
	set -e

	if [ "$status" != 0 ]; then
	echo "INFO: jmap exited with exit code = $status"

	# There are intermittent jmap failures; see 6498448.
	#
	# So far the following have been observed in a jmap call
	# that was not in a race with target process termination:
	#
	# (Solaris specific, 2nd sample)
	# <pid>: Unable to open door: target process not responding or HotSpot VM not loaded
	# The -F option can be used when the target process is not responding
	#
	# (on Solaris so far)
	# java.io.IOException
	#
	# (on Solaris so far, 1st sample)
	# <pid>: Permission denied
	#
	sed 's/^/INFO: /' "$TEST_NAME.jmap"

	if [ "$loop_cnt" = "$loop_cnt_on_retry" ]; then
	# loop count hasn't changed
	jmap_retry_cnt=`expr $jmap_retry_cnt + 1`
	else
	# loop count has changed so remember it
	jmap_retry_cnt=1
	loop_cnt_on_retry="$loop_cnt"
	fi

	# This is '-ge' because we have the original attempt plus
	# MAX_JMAP_TRY_CNT - 1 retries.
	if [ "$jmap_retry_cnt" -ge "$MAX_JMAP_TRY_CNT" ]; then
	echo "INFO: jmap failed $MAX_JMAP_TRY_CNT times in a row" \
	"without making any progress."
	echo "FAIL: jmap is unable to take any samples." >&2
	killApplication
	exit 2
	fi

	# short delay and try again
	# Note: sleep 1 didn't help with "<pid>: Permission denied"
	sleep 2
	echo "INFO: retrying jmap (retry=$jmap_retry_cnt, loop=$loop_cnt)."
	continue
	fi

	set +e
	instance_cnt=`grep "${PATTERN_WS}${TARGET_CLASS}${PATTERN_EOL}" \
	"$TEST_NAME.jmap" \
	\| sed '
	# strip leading whitespace; does nothing in JDK1.5.0
	s/^'"${PATTERN_WS}${PATTERN_WS}"'*//
	# strip <#bytes> in JDK1.5.0; does nothing otherwise
	s/^[1-9][0-9]'"${PATTERN_WS}${PATTERN_WS}"'//
	# strip <num>: field; does nothing in JDK1.5.0
	s/^[1-9][0-9]:'"${PATTERN_WS}${PATTERN_WS}"'//
	# strip <class_name> field
	s/'"${PATTERN_WS}"'.*//
	'`
	set -e
	if [ -z "$instance_cnt" ]; then
	echo "INFO: instance count is unexpectedly empty"
	if [ "$loop_cnt" = 0 ]; then
	echo "INFO: on the first iteration so no sample was found."
	echo "INFO: There is likely a problem with the sed filter."
	echo "INFO: start of jmap output:"
	cat "$TEST_NAME.jmap"
	echo "INFO: end of jmap output."
	echo "FAIL: cannot find the instance count value." >&2
	killApplication
	exit 2
	fi
	else
	echo "INFO: instance_cnt = $instance_cnt"

	if [ "$instance_cnt" -gt "$prev_instance_cnt" ]; then
	increasing_cnt=`expr $increasing_cnt + 1`
	else
	# actually decreasing or the same
	decreasing_cnt=`expr $decreasing_cnt + 1`

	# For these particular WeakReference leaks, the count was
	# always observed to be increasing so if we get a decreasing
	# or the same count, then the leaks are fixed in the bits
	# being tested.
	echo "INFO: finishing early due to non-increasing instance count."
	finished_early=true
	killApplication
	break
	fi
	prev_instance_cnt="$instance_cnt"
	fi

	# delay between samples
	sleep 5

	loop_cnt=`expr $loop_cnt + 1`
	done

	if [ $finished_early = false ]; then
	stopApplication "$TEST_NAME.port"
	waitForApplication
	fi

	echo "INFO: $TEST_NAME has finished running."
	echo "INFO: increasing_cnt = $increasing_cnt"
	echo "INFO: decreasing_cnt = $decreasing_cnt"
	if [ "$jmap_retry_cnt" -gt 0 ]; then
	echo "INFO: jmap_retry_cnt = $jmap_retry_cnt (in $loop_cnt iterations)"
	fi

	if [ "$loop_cnt" = 0 ]; then
	echo "FAIL: jmap is unable to take any samples." >&2
	exit 2
	fi

	echo "INFO: The instance count of" `eval echo $TARGET_CLASS` "objects"
	if [ "$decreasing_cnt" = 0 ]; then
	echo "INFO: is always increasing."
	echo "FAIL: This indicates that there is a memory leak." >&2
	exit 2
	fi

	echo "INFO: is not always increasing."
	echo "PASS: This indicates that there is not a memory leak."
	exit 0