check for invalid parameter, coverity issue 1198843, also reformat source
This commit is contained in:
Dennis Luxen
parent
3a1a51ac46
commit
9894f2e053
@ -48,45 +48,40 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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const unsigned number_of_elements = 268435456;
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struct Statistics { double min, max, med, mean, dev; };
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struct Statistics
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{
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double min, max, med, mean, dev;
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};
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void RunStatistics(std::vector<double> & timings_vector, Statistics & stats) {
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void RunStatistics(std::vector<double> &timings_vector, Statistics &stats)
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{
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std::sort(timings_vector.begin(), timings_vector.end());
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stats.min = timings_vector.front();
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stats.max = timings_vector.back();
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stats.med = timings_vector[timings_vector.size()/2];
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double primary_sum = std::accumulate(
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timings_vector.begin(),
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timings_vector.end(),
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0.0
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);
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stats.med = timings_vector[timings_vector.size() / 2];
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double primary_sum = std::accumulate(timings_vector.begin(), timings_vector.end(), 0.0);
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stats.mean = primary_sum / timings_vector.size();
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double primary_sq_sum = std::inner_product( timings_vector.begin(),
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timings_vector.end(),
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timings_vector.begin(),
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0.0
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);
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stats.dev = std::sqrt(
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primary_sq_sum / timings_vector.size() - (stats.mean * stats.mean)
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);
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double primary_sq_sum = std::inner_product(
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timings_vector.begin(), timings_vector.end(), timings_vector.begin(), 0.0);
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stats.dev = std::sqrt(primary_sq_sum / timings_vector.size() - (stats.mean * stats.mean));
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}
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int main (int argc, char * argv[]) {
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int main(int argc, char *argv[])
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{
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LogPolicy::GetInstance().Unmute();
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SimpleLogger().Write() <<
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"starting up engines, " << g_GIT_DESCRIPTION << ", " <<
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"compiled at " << __DATE__ << ", " __TIME__;
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SimpleLogger().Write() << "starting up engines, " << g_GIT_DESCRIPTION << ", "
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<< "compiled at " << __DATE__ << ", " __TIME__;
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#ifdef __FreeBSD__
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SimpleLogger().Write() << "Not supported on FreeBSD";
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return 0;
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#endif
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if( 1 == argc ) {
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SimpleLogger().Write(logWARNING) <<
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"usage: " << argv[0] << " /path/on/device";
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if (1 == argc)
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{
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SimpleLogger().Write(logWARNING) << "usage: " << argv[0] << " /path/on/device";
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return -1;
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}
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@ -94,119 +89,105 @@ int main (int argc, char * argv[]) {
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test_path /= "osrm.tst";
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SimpleLogger().Write(logDEBUG) << "temporary file: " << test_path.string();
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try {
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//create files for testing
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if( 2 == argc) {
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//create file to test
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if( boost::filesystem::exists(test_path) ) {
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try
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{
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// create files for testing
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if (2 == argc)
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{
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// create file to test
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if (boost::filesystem::exists(test_path))
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{
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throw OSRMException("Data file already exists");
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}
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double time1, time2;
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int * random_array = new int[number_of_elements];
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std::generate (
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random_array,
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random_array+number_of_elements,
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std::rand
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);
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int *random_array = new int[number_of_elements];
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std::generate(random_array, random_array + number_of_elements, std::rand);
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#ifdef __APPLE__
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FILE * fd = fopen(test_path.string().c_str(), "w");
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FILE *fd = fopen(test_path.string().c_str(), "w");
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fcntl(fileno(fd), F_NOCACHE, 1);
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fcntl(fileno(fd), F_RDAHEAD, 0);
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time1 = get_timestamp();
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write(
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fileno(fd),
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(char*)random_array,
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number_of_elements*sizeof(unsigned)
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);
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write(fileno(fd), (char *)random_array, number_of_elements * sizeof(unsigned));
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time2 = get_timestamp();
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fclose(fd);
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#endif
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#ifdef __linux__
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int f = open(
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test_path.string().c_str(),
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O_CREAT|O_TRUNC|O_WRONLY|O_SYNC,
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S_IRWXU
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);
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int f =
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open(test_path.string().c_str(), O_CREAT | O_TRUNC | O_WRONLY | O_SYNC, S_IRWXU);
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time1 = get_timestamp();
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int ret = write(
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f,
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random_array,
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number_of_elements*sizeof(unsigned)
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);
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if(-1 == ret) {
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int ret = write(f, random_array, number_of_elements * sizeof(unsigned));
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if (-1 == ret)
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{
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throw OSRMException("could not write random data file");
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}
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time2 = get_timestamp();
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close(f);
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#endif
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delete[] random_array;
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SimpleLogger().Write(logDEBUG) <<
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"writing raw 1GB took " << (time2-time1)*1000 << "ms";
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SimpleLogger().Write() << "raw write performance: " <<
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std::setprecision(5) << std::fixed <<
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1024*1024/((time2-time1)*1000) << "MB/sec";
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SimpleLogger().Write(logDEBUG) << "writing raw 1GB took " << (time2 - time1) * 1000
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<< "ms";
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SimpleLogger().Write() << "raw write performance: " << std::setprecision(5)
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<< std::fixed << 1024 * 1024 / ((time2 - time1) * 1000)
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<< "MB/sec";
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SimpleLogger().Write(logDEBUG) <<
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"finished creation of random data. Flush disk cache now!";
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} else {
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SimpleLogger().Write(logDEBUG)
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<< "finished creation of random data. Flush disk cache now!";
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}
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else
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{
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//
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// Run Non-Cached I/O benchmarks
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//
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if( !boost::filesystem::exists(test_path) ) {
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if (!boost::filesystem::exists(test_path))
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{
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throw OSRMException("data file does not exist");
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}
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double time1, time2;
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//volatiles do not get optimized
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// volatiles do not get optimized
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Statistics stats;
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#ifdef __APPLE__
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volatile unsigned single_block[1024];
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char * raw_array = new char[number_of_elements*sizeof(unsigned)];
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FILE * fd = fopen(test_path.string().c_str(), "r");
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char *raw_array = new char[number_of_elements * sizeof(unsigned)];
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FILE *fd = fopen(test_path.string().c_str(), "r");
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fcntl(fileno(fd), F_NOCACHE, 1);
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fcntl(fileno(fd), F_RDAHEAD, 0);
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#endif
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#ifdef __linux__
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char * single_block = (char*) memalign(
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512,
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1024*sizeof(unsigned)
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);
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char *single_block = (char *)memalign(512, 1024 * sizeof(unsigned));
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int f = open(test_path.string().c_str(), O_RDONLY|O_DIRECT|O_SYNC);
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SimpleLogger().Write(logDEBUG) <<
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"opened, error: " << strerror(errno);
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char * raw_array = (char*) memalign(
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512,
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number_of_elements*sizeof(unsigned)
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);
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int f = open(test_path.string().c_str(), O_RDONLY | O_DIRECT | O_SYNC);
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if (-1 == f)
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{
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SimpleLogger().Write(logDEBUG) << "opened, error: " << strerror(errno);
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return -1;
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}
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char *raw_array = (char *)memalign(512, number_of_elements * sizeof(unsigned));
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#endif
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time1 = get_timestamp();
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#ifdef __APPLE__
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read(fileno(fd), raw_array, number_of_elements*sizeof(unsigned));
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read(fileno(fd), raw_array, number_of_elements * sizeof(unsigned));
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close(fileno(fd));
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fd = fopen(test_path.string().c_str(), "r");
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#endif
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#ifdef __linux__
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int ret = read(f, raw_array, number_of_elements*sizeof(unsigned));
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SimpleLogger().Write(logDEBUG) <<
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"read " << ret << " bytes, error: " << strerror(errno);
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int ret = read(f, raw_array, number_of_elements * sizeof(unsigned));
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SimpleLogger().Write(logDEBUG) << "read " << ret
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<< " bytes, error: " << strerror(errno);
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close(f);
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f = open(test_path.string().c_str(), O_RDONLY|O_DIRECT|O_SYNC);
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SimpleLogger().Write(logDEBUG) <<
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"opened, error: " << strerror(errno);
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f = open(test_path.string().c_str(), O_RDONLY | O_DIRECT | O_SYNC);
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SimpleLogger().Write(logDEBUG) << "opened, error: " << strerror(errno);
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#endif
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time2 = get_timestamp();
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SimpleLogger().Write(logDEBUG) <<
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"reading raw 1GB took " << (time2-time1)*1000 << "ms";
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SimpleLogger().Write() << "raw read performance: " <<
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std::setprecision(5) << std::fixed <<
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1024*1024/((time2-time1)*1000) << "MB/sec";
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SimpleLogger().Write(logDEBUG) << "reading raw 1GB took " << (time2 - time1) * 1000
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<< "ms";
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SimpleLogger().Write() << "raw read performance: " << std::setprecision(5) << std::fixed
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<< 1024 * 1024 / ((time2 - time1) * 1000) << "MB/sec";
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std::vector<double> timing_results_raw_random;
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SimpleLogger().Write(logDEBUG) << "running 1000 random I/Os of 4KB";
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@ -217,15 +198,16 @@ int main (int argc, char * argv[]) {
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#ifdef __linux__
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lseek(f, 0, SEEK_SET);
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#endif
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//make 1000 random access, time each I/O seperately
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unsigned number_of_blocks = (number_of_elements*sizeof(unsigned)-1)/4096;
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for(unsigned i = 0; i < 1000; ++i) {
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unsigned block_to_read = std::rand()%number_of_blocks;
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off_t current_offset = block_to_read*4096;
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// make 1000 random access, time each I/O seperately
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unsigned number_of_blocks = (number_of_elements * sizeof(unsigned) - 1) / 4096;
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for (unsigned i = 0; i < 1000; ++i)
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{
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unsigned block_to_read = std::rand() % number_of_blocks;
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off_t current_offset = block_to_read * 4096;
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time1 = get_timestamp();
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#ifdef __APPLE__
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int ret1 = fseek(fd, current_offset, SEEK_SET);
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int ret2 = read(fileno(fd), (char*)&single_block[0], 4096);
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int ret2 = read(fileno(fd), (char *)&single_block[0], 4096);
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#endif
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#ifdef __FreeBSD__
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@ -235,42 +217,40 @@ int main (int argc, char * argv[]) {
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#ifdef __linux__
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int ret1 = lseek(f, current_offset, SEEK_SET);
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int ret2 = read(f, (char*)single_block, 4096);
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int ret2 = read(f, (char *)single_block, 4096);
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#endif
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time2 = get_timestamp();
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if( ((off_t)-1) == ret1) {
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SimpleLogger().Write(logWARNING)
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<< "offset: " << current_offset;
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SimpleLogger().Write(logWARNING)
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<< "seek error " << strerror(errno);
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if (((off_t) - 1) == ret1)
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{
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SimpleLogger().Write(logWARNING) << "offset: " << current_offset;
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SimpleLogger().Write(logWARNING) << "seek error " << strerror(errno);
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throw OSRMException("seek error");
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}
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if(-1 == ret2) {
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SimpleLogger().Write(logWARNING)
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<< "offset: " << current_offset;
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SimpleLogger().Write(logWARNING)
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<< "read error " << strerror(errno);
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if (-1 == ret2)
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{
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SimpleLogger().Write(logWARNING) << "offset: " << current_offset;
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SimpleLogger().Write(logWARNING) << "read error " << strerror(errno);
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throw OSRMException("read error");
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}
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timing_results_raw_random.push_back((time2-time1)*1000.);
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timing_results_raw_random.push_back((time2 - time1) * 1000.);
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}
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// Do statistics
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SimpleLogger().Write(logDEBUG) << "running raw random I/O statistics";
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std::ofstream random_csv("random.csv", std::ios::trunc);
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for(unsigned i = 0; i < timing_results_raw_random.size(); ++i) {
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for (unsigned i = 0; i < timing_results_raw_random.size(); ++i)
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{
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random_csv << i << ", " << timing_results_raw_random[i] << std::endl;
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}
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random_csv.close();
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RunStatistics(timing_results_raw_random, stats);
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SimpleLogger().Write() << "raw random I/O: " <<
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std::setprecision(5) << std::fixed <<
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"min: " << stats.min << "ms, " <<
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"mean: " << stats.mean << "ms, " <<
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"med: " << stats.med << "ms, " <<
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"max: " << stats.max << "ms, " <<
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"dev: " << stats.dev << "ms";
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SimpleLogger().Write() << "raw random I/O: " << std::setprecision(5) << std::fixed
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<< "min: " << stats.min << "ms, "
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<< "mean: " << stats.mean << "ms, "
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<< "med: " << stats.med << "ms, "
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<< "max: " << stats.max << "ms, "
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<< "dev: " << stats.dev << "ms";
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std::vector<double> timing_results_raw_seq;
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#ifdef __APPLE__
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@ -280,81 +260,80 @@ int main (int argc, char * argv[]) {
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lseek(f, 0, SEEK_SET);
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#endif
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//read every 100th block
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for(
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unsigned i = 0;
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i < 1000;
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++i
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) {
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off_t current_offset = i*4096;
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// read every 100th block
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for (unsigned i = 0; i < 1000; ++i)
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{
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off_t current_offset = i * 4096;
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time1 = get_timestamp();
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#ifdef __APPLE__
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#ifdef __APPLE__
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int ret1 = fseek(fd, current_offset, SEEK_SET);
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int ret2 = read(fileno(fd), (char*)&single_block, 4096);
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#endif
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int ret2 = read(fileno(fd), (char *)&single_block, 4096);
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#endif
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#ifdef __FreeBSD__
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#ifdef __FreeBSD__
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int ret1 = 0;
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int ret2 = 0;
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#endif
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#endif
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#ifdef __linux__
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#ifdef __linux__
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int ret1 = lseek(f, current_offset, SEEK_SET);
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int ret2 = read(f, (char*)single_block, 4096);
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#endif
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int ret2 = read(f, (char *)single_block, 4096);
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#endif
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time2 = get_timestamp();
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if( ((off_t)-1) == ret1) {
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SimpleLogger().Write(logWARNING)
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<< "offset: " << current_offset;
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SimpleLogger().Write(logWARNING)
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<< "seek error " << strerror(errno);
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if (((off_t) - 1) == ret1)
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{
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SimpleLogger().Write(logWARNING) << "offset: " << current_offset;
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SimpleLogger().Write(logWARNING) << "seek error " << strerror(errno);
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throw OSRMException("seek error");
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}
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if(-1 == ret2) {
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SimpleLogger().Write(logWARNING)
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<< "offset: " << current_offset;
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SimpleLogger().Write(logWARNING)
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<< "read error " << strerror(errno);
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if (-1 == ret2)
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{
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SimpleLogger().Write(logWARNING) << "offset: " << current_offset;
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SimpleLogger().Write(logWARNING) << "read error " << strerror(errno);
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throw OSRMException("read error");
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}
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timing_results_raw_seq.push_back((time2-time1)*1000.);
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timing_results_raw_seq.push_back((time2 - time1) * 1000.);
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}
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#ifdef __APPLE__
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#ifdef __APPLE__
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fclose(fd);
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// free(single_element);
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free(raw_array);
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// free(single_block);
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#endif
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#ifdef __linux__
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// free(single_block);
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#endif
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#ifdef __linux__
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close(f);
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#endif
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//Do statistics
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#endif
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// Do statistics
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SimpleLogger().Write(logDEBUG) << "running sequential I/O statistics";
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//print simple statistics: min, max, median, variance
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// print simple statistics: min, max, median, variance
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std::ofstream seq_csv("sequential.csv", std::ios::trunc);
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for(unsigned i = 0; i < timing_results_raw_seq.size(); ++i) {
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for (unsigned i = 0; i < timing_results_raw_seq.size(); ++i)
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{
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seq_csv << i << ", " << timing_results_raw_seq[i] << std::endl;
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}
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seq_csv.close();
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RunStatistics(timing_results_raw_seq, stats);
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SimpleLogger().Write() << "raw sequential I/O: " <<
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std::setprecision(5) << std::fixed <<
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"min: " << stats.min << "ms, " <<
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"mean: " << stats.mean << "ms, " <<
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"med: " << stats.med << "ms, " <<
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"max: " << stats.max << "ms, " <<
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"dev: " << stats.dev << "ms";
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SimpleLogger().Write() << "raw sequential I/O: " << std::setprecision(5) << std::fixed
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<< "min: " << stats.min << "ms, "
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<< "mean: " << stats.mean << "ms, "
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<< "med: " << stats.med << "ms, "
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<< "max: " << stats.max << "ms, "
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<< "dev: " << stats.dev << "ms";
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if( boost::filesystem::exists(test_path) ) {
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if (boost::filesystem::exists(test_path))
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{
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boost::filesystem::remove(test_path);
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SimpleLogger().Write(logDEBUG) << "removing temporary files";
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}
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}
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} catch ( const std::exception & e ) {
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}
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catch (const std::exception &e)
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{
|
||||
SimpleLogger().Write(logWARNING) << "caught exception: " << e.what();
|
||||
SimpleLogger().Write(logWARNING) << "cleaning up, and exiting";
|
||||
if(boost::filesystem::exists(test_path)) {
|
||||
if (boost::filesystem::exists(test_path))
|
||||
{
|
||||
boost::filesystem::remove(test_path);
|
||||
SimpleLogger().Write(logWARNING) << "removing temporary files";
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user