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151 lines
5.4 KiB
Bash
Executable File
151 lines
5.4 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (c) 2005, Google Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following disclaimer
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# in the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# ---
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# Author: Craig Silverstein
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#
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# Runs the heap-profiler unittest and makes sure the profile looks appropriate.
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#
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# We run under the assumption that if $HEAP_PROFILER is run with --help,
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# it prints a usage line of the form
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# USAGE: <actual executable being run> [...]
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#
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# This is because libtool sometimes turns the 'executable' into a
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# shell script which runs an actual binary somewhere else.
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# We expect BINDIR and PPROF_PATH to be set in the environment.
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# If not, we set them to some reasonable values
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BINDIR="${BINDIR:-.}"
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PPROF_PATH="${PPROF_PATH:-$BINDIR/src/pprof}"
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if [ "x$1" = "x-h" -o "x$1" = "x--help" ]; then
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echo "USAGE: $0 [unittest dir] [path to pprof]"
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echo " By default, unittest_dir=$BINDIR, pprof_path=$PPROF_PATH"
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exit 1
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fi
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HEAP_PROFILER="${1:-$BINDIR}/heap-profiler_unittest"
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PPROF="${2:-$PPROF_PATH}"
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TEST_TMPDIR=/tmp/heap_profile_info
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# It's meaningful to the profiler, so make sure we know its state
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unset HEAPPROFILE
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rm -rf "$TEST_TMPDIR"
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mkdir "$TEST_TMPDIR" || exit 2
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num_failures=0
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# Given one profile (to check the contents of that profile) or two
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# profiles (to check the diff between the profiles), and a function
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# name, verify that the function name takes up at least 90% of the
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# allocated memory. The function name is actually specified first.
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VerifyMemFunction() {
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function="$1"
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shift
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# get program name. Note we have to unset HEAPPROFILE so running
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# help doesn't overwrite existing profiles.
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exec=`unset HEAPPROFILE; $HEAP_PROFILER --help | awk '{print $2; exit;}'`
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if [ $# = 2 ]; then
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[ -f "$1" ] || { echo "Profile not found: $1"; exit 1; }
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[ -f "$2" ] || { echo "Profile not found: $2"; exit 1; }
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$PPROF --base="$1" $exec "$2" >"$TEST_TMPDIR/output.pprof" 2>&1
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else
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[ -f "$1" ] || { echo "Profile not found: $1"; exit 1; }
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$PPROF $exec "$1" >"$TEST_TMPDIR/output.pprof" 2>&1
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fi
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cat "$TEST_TMPDIR/output.pprof" \
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| tr -d % | awk '$6 ~ /^'$function'$/ && $2 > 90 {exit 1;}'
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if [ $? != 1 ]; then
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echo
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echo "--- Test failed for $function: didn't account for 90% of executable memory"
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echo "--- Program output:"
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cat "$TEST_TMPDIR/output"
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echo "--- pprof output:"
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cat "$TEST_TMPDIR/output.pprof"
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echo "---"
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num_failures=`expr $num_failures + 1`
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fi
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}
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VerifyOutputContains() {
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text="$1"
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if ! grep "$text" "$TEST_TMPDIR/output" >/dev/null 2>&1; then
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echo "--- Test failed: output does not contain '$text'"
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echo "--- Program output:"
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cat "$TEST_TMPDIR/output"
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echo "---"
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num_failures=`expr $num_failures + 1`
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fi
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}
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HEAPPROFILE="$TEST_TMPDIR/test"
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HEAP_PROFILE_INUSE_INTERVAL="10240" # need this to be 10Kb
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HEAP_PROFILE_ALLOCATION_INTERVAL="$HEAP_PROFILE_INUSE_INTERVAL"
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HEAP_PROFILE_DEALLOCATION_INTERVAL="$HEAP_PROFILE_INUSE_INTERVAL"
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export HEAPPROFILE
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export HEAP_PROFILE_INUSE_INTERVAL
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export HEAP_PROFILE_ALLOCATION_INTERVAL
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export HEAP_PROFILE_DEALLOCATION_INTERVAL
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# We make the unittest run a child process, to test that the child
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# process doesn't try to write a heap profile as well and step on the
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# parent's toes. If it does, we expect the parent-test to fail.
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$HEAP_PROFILER 1 >$TEST_TMPDIR/output 2>&1 # run program, with 1 child proc
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VerifyMemFunction Allocate2 "$HEAPPROFILE.1329.heap"
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VerifyMemFunction Allocate "$HEAPPROFILE.1448.heap" "$HEAPPROFILE.1548.heap"
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# Check the child process got to emit its own profile as well.
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VerifyMemFunction Allocate2 "$HEAPPROFILE"_*.1329.heap
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VerifyMemFunction Allocate "$HEAPPROFILE"_*.1448.heap "$HEAPPROFILE"_*.1548.heap
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# Make sure we logged both about allocating and deallocating memory
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VerifyOutputContains "62 MB allocated"
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VerifyOutputContains "62 MB freed"
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# Now try running without --heap_profile specified, to allow
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# testing of the HeapProfileStart/Stop functionality.
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$HEAP_PROFILER >"$TEST_TMPDIR/output2" 2>&1
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rm -rf $TMPDIR # clean up
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if [ $num_failures = 0 ]; then
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echo "PASS"
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else
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echo "Tests finished with $num_failures failures"
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fi
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exit $num_failures
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