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- #!/bin/sh
- # Copyright (c) 2008, 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
- #
- # This is a test that tcmalloc creates, and pprof reads, sampling data
- # correctly: both for the heap profile (ReadStackTraces) and for
- # growth in the heap sized (ReadGrowthStackTraces).
- 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=$PPROF_PATH"
- exit 1
- fi
- SAMPLING_TEST="${1:-$BINDIR/sampling_test}"
- PPROF="${2:-$PPROF_PATH}"
- OUTDIR="/tmp/sampling_test_dir"
- # libtool is annoying, and puts the actual executable in a different
- # directory, replacing the seeming-executable with a shell script.
- # We use the error output of sampling_test to indicate its real location
- SAMPLING_TEST_BINARY=`"$SAMPLING_TEST" 2>&1 | awk '/USAGE/ {print $2; exit;}'`
- # A kludge for cygwin. Unfortunately, 'test -f' says that 'foo' exists
- # even when it doesn't, and only foo.exe exists. Other unix utilities
- # (like nm) need you to say 'foo.exe'. We use one such utility, cat, to
- # see what the *real* binary name is.
- if ! cat "$SAMPLING_TEST_BINARY" >/dev/null 2>&1; then
- SAMPLING_TEST_BINARY="$SAMPLING_TEST_BINARY".exe
- fi
- die() { # runs the command given as arguments, and then dies.
- echo "FAILED. Output from $@"
- echo "----"
- "$@"
- echo "----"
- exit 1
- }
- rm -rf "$OUTDIR" || die "Unable to delete $OUTDIR"
- mkdir "$OUTDIR" || die "Unable to create $OUTDIR"
- # This puts the output into out.heap and out.growth. It allocates
- # 8*10^7 bytes of memory, which is 76M. Because we sample, the
- # estimate may be a bit high or a bit low: we accept anything from
- # 50M to 99M.
- "$SAMPLING_TEST" "$OUTDIR/out"
- echo "Testing heap output..."
- "$PPROF" --text "$SAMPLING_TEST_BINARY" "$OUTDIR/out.heap" \
- | grep '[5-9][0-9]\.[0-9][ 0-9.%]*_*AllocateAllocate' >/dev/null \
- || die "$PPROF" --text "$SAMPLING_TEST_BINARY" "$OUTDIR/out.heap"
- echo "OK"
- echo "Testing growth output..."
- "$PPROF" --text "$SAMPLING_TEST_BINARY" "$OUTDIR/out.growth" \
- | grep '[5-9][0-9]\.[0-9][ 0-9.%]*_*AllocateAllocate' >/dev/null \
- || die "$PPROF" --text "$SAMPLING_TEST_BINARY" "$OUTDIR/out.growth"
- echo "OK"
- echo "PASS"
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