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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
#include <boost/scoped_ptr.hpp>
#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 <iostream>
#include "common/Formatter.h"
#include "bencher.h"
#include "rados_backend.h"
#include "detailed_stat_collector.h"
#include "distribution.h"
#include "global/global_init.h"
#include "os/FileStore.h"
#include "filestore_backend.h"
#include "common/perf_counters.h"
namespace po = boost::program_options;
using namespace std;
struct MorePrinting : public DetailedStatCollector::AdditionalPrinting {
CephContext *cct;
MorePrinting(CephContext *cct) : cct(cct) {}
void operator()(std::ostream *out) {
bufferlist bl;
cct->get_perfcounters_collection()->write_json_to_buf(bl, 0);
bl.append('\0');
*out << bl.c_str() << std::endl;
}
};
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-objects", po::value<unsigned>()->default_value(500),
"set number of objects to use")
("object-size", po::value<unsigned>()->default_value(4<<20),
"set object size")
("io-size", po::value<unsigned>()->default_value(4<<10),
"set io size")
("write-ratio", po::value<double>()->default_value(0.75),
"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")
("num-colls", po::value<unsigned>()->default_value(20),
"number of collections")
("op-dump-file", po::value<string>()->default_value(""),
"set file for dumping op details, omit for stderr")
("filestore-path", po::value<string>(),
"path to filestore directory, mandatory")
("journal-path", po::value<string>(),
"path to journal, mandatory")
("offset-align", po::value<unsigned>()->default_value(4096),
"align offset by")
("write-infos", po::value<bool>()->default_value(false),
"write info objects with main writes")
("sequential", po::value<bool>()->default_value(false),
"do sequential writes like rbd")
("disable-detailed-ops", po::value<bool>()->default_value(false),
"don't dump per op stats")
("num-writers", po::value<unsigned>()->default_value(1),
"num write threads")
;
po::variables_map vm;
po::parsed_options parsed =
po::command_line_parser(argc, argv).options(desc).allow_unregistered().run();
po::store(
parsed,
vm);
po::notify(vm);
vector<const char *> ceph_options, def_args;
vector<string> ceph_option_strings = po::collect_unrecognized(
parsed.options, po::include_positional);
ceph_options.reserve(ceph_option_strings.size());
for (vector<string>::iterator i = ceph_option_strings.begin();
i != ceph_option_strings.end();
++i) {
ceph_options.push_back(i->c_str());
}
global_init(
&def_args, ceph_options, CEPH_ENTITY_TYPE_CLIENT,
CODE_ENVIRONMENT_UTILITY,
CINIT_FLAG_NO_DEFAULT_CONFIG_FILE);
common_init_finish(g_ceph_context);
g_ceph_context->_conf->apply_changes(NULL);
if (!vm.count("filestore-path") || !vm.count("journal-path")) {
cout << "Must provide filestore-path and journal-path" << std::endl
<< desc << std::endl;
return 1;
}
if (vm.count("help")) {
cout << desc << std::endl;
return 1;
}
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));
FileStore fs(vm["filestore-path"].as<string>(),
vm["journal-path"].as<string>());
fs.mkfs();
fs.mount();
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;
}
std::tr1::shared_ptr<StatCollector> col(
new DetailedStatCollector(
1, new JSONFormatter, detailed_ops, &cout,
new MorePrinting(g_ceph_context)));
cout << "Creating objects.." << std::endl;
bufferlist bl;
for (uint64_t i = 0; i < vm["object-size"].as<unsigned>(); ++i) {
bl.append(0);
}
for (uint64_t num = 0; num < vm["num-colls"].as<unsigned>(); ++num) {
stringstream coll;
coll << "collection_" << num;
std::cout << "collection " << coll.str() << std::endl;
ObjectStore::Transaction t;
t.create_collection(coll_t(coll.str()));
fs.apply_transaction(t);
}
{
ObjectStore::Transaction t;
t.create_collection(coll_t(string("meta")));
fs.apply_transaction(t);
}
vector<std::tr1::shared_ptr<Bencher> > benchers(
vm["num-writers"].as<unsigned>());
for (vector<std::tr1::shared_ptr<Bencher> >::iterator i = benchers.begin();
i != benchers.end();
++i) {
set<string> objects;
for (uint64_t num = 0; num < vm["num-objects"].as<unsigned>(); ++num) {
unsigned col_num = num % vm["num-colls"].as<unsigned>();
stringstream coll, obj;
coll << "collection_" << col_num;
obj << "obj_" << num << "_bencher_" << (i - benchers.begin());
objects.insert(coll.str() + string("/") + obj.str());
}
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(
objects,
vm["object-size"].as<unsigned>(),
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, objects),
new Align(
new UniformRandom(
rng,
0,
vm["object-size"].as<unsigned>() - 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 = new Bencher(
gen,
col,
new FileStoreBackend(&fs, vm["write-infos"].as<bool>()),
vm["num-concurrent-ops"].as<unsigned>(),
vm["duration"].as<unsigned>(),
vm["max-ops"].as<unsigned>());
bencher->init(objects, vm["object-size"].as<unsigned>(), &std::cout);
cout << "Created objects..." << std::endl;
(*i).reset(bencher);
}
for (vector<std::tr1::shared_ptr<Bencher> >::iterator i = benchers.begin();
i != benchers.end();
++i) {
(*i)->create();
}
for (vector<std::tr1::shared_ptr<Bencher> >::iterator i = benchers.begin();
i != benchers.end();
++i) {
(*i)->join();
}
fs.umount();
if (vm["op-dump-file"].as<string>().size()) {
myfile.close();
}
return 0;
}
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