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