1#!/bin/sh 2 3# Copyright (c) 2008, Google Inc. 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions are 8# met: 9# 10# * Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# * Redistributions in binary form must reproduce the above 13# copyright notice, this list of conditions and the following disclaimer 14# in the documentation and/or other materials provided with the 15# distribution. 16# * Neither the name of Google Inc. nor the names of its 17# contributors may be used to endorse or promote products derived from 18# this software without specific prior written permission. 19# 20# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31# 32# --- 33# Author: Craig Silverstein 34# 35# This is a test that tcmalloc creates, and pprof reads, sampling data 36# correctly: both for the heap profile (ReadStackTraces) and for 37# growth in the heap sized (ReadGrowthStackTraces). 38 39BINDIR="${BINDIR:-.}" 40PPROF_PATH="${PPROF_PATH:-$BINDIR/src/pprof}" 41 42if [ "x$1" = "x-h" -o "x$1" = "x--help" ]; then 43 echo "USAGE: $0 [unittest dir] [path to pprof]" 44 echo " By default, unittest_dir=$BINDIR, pprof_path=$PPROF_PATH" 45 exit 1 46fi 47 48SAMPLING_TEST="${1:-$BINDIR/sampling_test}" 49PPROF="${2:-$PPROF_PATH}" 50OUTDIR="/tmp/sampling_test_dir" 51 52# libtool is annoying, and puts the actual executable in a different 53# directory, replacing the seeming-executable with a shell script. 54# We use the error output of sampling_test to indicate its real location 55SAMPLING_TEST_BINARY=`"$SAMPLING_TEST" 2>&1 | awk '/USAGE/ {print $2; exit;}'` 56 57# A kludge for cygwin. Unfortunately, 'test -f' says that 'foo' exists 58# even when it doesn't, and only foo.exe exists. Other unix utilities 59# (like nm) need you to say 'foo.exe'. We use one such utility, cat, to 60# see what the *real* binary name is. 61if ! cat "$SAMPLING_TEST_BINARY" >/dev/null 2>&1; then 62 SAMPLING_TEST_BINARY="$SAMPLING_TEST_BINARY".exe 63fi 64 65die() { # runs the command given as arguments, and then dies. 66 echo "FAILED. Output from $@" 67 echo "----" 68 "$@" 69 echo "----" 70 exit 1 71} 72 73rm -rf "$OUTDIR" || die "Unable to delete $OUTDIR" 74mkdir "$OUTDIR" || die "Unable to create $OUTDIR" 75 76# This puts the output into out.heap and out.growth. It allocates 77# 8*10^7 bytes of memory, which is 76M. Because we sample, the 78# estimate may be a bit high or a bit low: we accept anything from 79# 50M to 99M. 80"$SAMPLING_TEST" "$OUTDIR/out" 81 82echo "Testing heap output..." 83"$PPROF" --text "$SAMPLING_TEST_BINARY" "$OUTDIR/out.heap" \ 84 | grep '[5-9][0-9]\.[0-9][ 0-9.%]*_*AllocateAllocate' >/dev/null \ 85 || die "$PPROF" --text "$SAMPLING_TEST_BINARY" "$OUTDIR/out.heap" 86echo "OK" 87 88echo "Testing growth output..." 89"$PPROF" --text "$SAMPLING_TEST_BINARY" "$OUTDIR/out.growth" \ 90 | grep '[5-9][0-9]\.[0-9][ 0-9.%]*_*AllocateAllocate' >/dev/null \ 91 || die "$PPROF" --text "$SAMPLING_TEST_BINARY" "$OUTDIR/out.growth" 92echo "OK" 93 94echo "PASS" 95