--- /dev/null
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+
+#include <boost/lexical_cast.hpp>
+#include <boost/program_options/option.hpp>
+#include <boost/program_options/options_description.hpp>
+#include <boost/program_options/variables_map.hpp>
+#include <boost/program_options/cmdline.hpp>
+#include <boost/program_options/parsers.hpp>
+#include <iostream>
+#include <set>
+#include <sstream>
+#include <stdlib.h>
+#include <fstream>
+
+#include "common/Formatter.h"
+
+#include "bencher.h"
+#include "rbd_backend.h"
+#include "detailed_stat_collector.h"
+#include "distribution.h"
+
+namespace po = boost::program_options;
+using namespace std;
+
+int main(int argc, char **argv)
+{
+ po::options_description desc("Allowed options");
+ desc.add_options()
+ ("help", "produce help message")
+ ("num-concurrent-ops", po::value<unsigned>()->default_value(10),
+ "set number of concurrent ops")
+ ("num-images", po::value<unsigned>()->default_value(2),
+ "set number of rbd images to use")
+ ("image-size", po::value<unsigned>()->default_value(4096),
+ "set image size in megabytes")
+ ("order", po::value<unsigned>()->default_value(22),
+ "set log_2(object size)")
+ ("io-size", po::value<unsigned>()->default_value(4<<10),
+ "set io size")
+ ("write-ratio", po::value<double>()->default_value(0.25),
+ "set ratio of read to write")
+ ("duration", po::value<unsigned>()->default_value(0),
+ "set max duration, 0 for unlimited")
+ ("max-ops", po::value<unsigned>()->default_value(0),
+ "set max ops, 0 for unlimited")
+ ("seed", po::value<unsigned>(),
+ "seed")
+ ("ceph-client-id", po::value<string>()->default_value("admin"),
+ "set ceph client id")
+ ("pool-name", po::value<string>()->default_value("data"),
+ "set pool")
+ ("op-dump-file", po::value<string>()->default_value(""),
+ "set file for dumping op details, omit for stderr")
+ ("offset-align", po::value<unsigned>()->default_value(4096),
+ "align offset by")
+ ("sequential", po::value<bool>()->default_value(false),
+ "use sequential access pattern")
+ ("disable-detailed-ops", po::value<bool>()->default_value(false),
+ "don't dump per op stats")
+ ;
+
+ po::variables_map vm;
+ po::store(po::parse_command_line(argc, argv, desc), vm);
+ po::notify(vm);
+
+ if (vm.count("help")) {
+ cout << desc << std::endl;
+ return 1;
+ }
+
+ string prefix;
+ char hostname_cstr[100];
+ gethostname(hostname_cstr, 100);
+ stringstream hostpid;
+ hostpid << hostname_cstr << getpid() << "-";
+ prefix = hostpid.str();
+
+ set<string> image_names;
+ for (unsigned i = 0; i < vm["num-images"].as<unsigned>();
+ ++i) {
+ stringstream name;
+ name << prefix << "-image_" << i;
+ image_names.insert(name.str());
+ }
+
+ rngen_t rng;
+ if (vm.count("seed"))
+ rng = rngen_t(vm["seed"].as<unsigned>());
+
+ set<pair<double, Bencher::OpType> > ops;
+ ops.insert(make_pair(vm["write-ratio"].as<double>(), Bencher::WRITE));
+ ops.insert(make_pair(1-vm["write-ratio"].as<double>(), Bencher::READ));
+
+ librados::Rados rados;
+ librados::IoCtx ioctx;
+ int r = rados.init(vm["ceph-client-id"].as<string>().c_str());
+ if (r < 0) {
+ cerr << "error in init r=" << r << std::endl;
+ return -r;
+ }
+ r = rados.conf_read_file(NULL);
+ if (r < 0) {
+ cerr << "error in conf_read_file r=" << r << std::endl;
+ return -r;
+ }
+ r = rados.conf_parse_env(NULL);
+ if (r < 0) {
+ cerr << "error in conf_parse_env r=" << r << std::endl;
+ return -r;
+ }
+ r = rados.connect();
+ if (r < 0) {
+ cerr << "error in connect r=" << r << std::endl;
+ return -r;
+ }
+ r = rados.ioctx_create(vm["pool-name"].as<string>().c_str(), ioctx);
+ if (r < 0) {
+ cerr << "error in ioctx_create r=" << r << std::endl;
+ return -r;
+ }
+
+ ostream *detailed_ops = 0;
+ ofstream myfile;
+ if (vm["disable-detailed-ops"].as<bool>()) {
+ detailed_ops = 0;
+ } else if (vm["op-dump-file"].as<string>().size()) {
+ myfile.open(vm["op-dump-file"].as<string>().c_str());
+ detailed_ops = &myfile;
+ } else {
+ detailed_ops = &cerr;
+ }
+
+ librbd::RBD rbd;
+ {
+ map<string, ceph::shared_ptr<librbd::Image> > images;
+ int order = vm["order"].as<unsigned>();
+ uint64_t image_size = ((uint64_t)vm["image-size"].as<unsigned>()) << 20;
+ for (set<string>::const_iterator i = image_names.begin();
+ i != image_names.end(); ++i) {
+ r = rbd.create(ioctx, i->c_str(), image_size, &order);
+ if (r < 0) {
+ cerr << "error creating image " << *i << " r=" << r << std::endl;
+ return -r;
+ }
+ ceph::shared_ptr<librbd::Image> image(new librbd::Image());
+ r = rbd.open(ioctx, *image, i->c_str());
+ if (r < 0) {
+ cerr << "error opening image " << *i << " r=" << r << std::endl;
+ return -r;
+ }
+ images[*i] = image;
+ }
+
+ Distribution<
+ boost::tuple<string, uint64_t, uint64_t, Bencher::OpType> > *gen = 0;
+ if (vm["sequential"].as<bool>()) {
+ std::cout << "Using Sequential generator" << std::endl;
+ gen = new SequentialLoad(
+ image_names,
+ image_size,
+ vm["io-size"].as<unsigned>(),
+ new WeightedDist<Bencher::OpType>(rng, ops)
+ );
+ } else {
+ std::cout << "Using random generator" << std::endl;
+ gen = new FourTupleDist<string, uint64_t, uint64_t, Bencher::OpType>(
+ new RandomDist<string>(rng, image_names),
+ new Align(
+ new UniformRandom(
+ rng,
+ 0,
+ image_size - vm["io-size"].as<unsigned>()),
+ vm["offset-align"].as<unsigned>()
+ ),
+ new Uniform(vm["io-size"].as<unsigned>()),
+ new WeightedDist<Bencher::OpType>(rng, ops)
+ );
+ }
+
+ Bencher bencher(
+ gen,
+ new DetailedStatCollector(1, new JSONFormatter, detailed_ops, &cout),
+ new RBDBackend(&images),
+ vm["num-concurrent-ops"].as<unsigned>(),
+ vm["duration"].as<unsigned>(),
+ vm["max-ops"].as<unsigned>());
+
+ bencher.run_bench();
+ }
+
+ for (set<string>::const_iterator i = image_names.begin();
+ i != image_names.end(); ++i) {
+ rbd.remove(ioctx, i->c_str());
+ }
+ rados.shutdown();
+ if (vm["op-dump-file"].as<string>().size()) {
+ myfile.close();
+ }
+ return 0;
+}