Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 329 insertions, 0 deletions

diff --git a/src/test/objectstore_bench.cc b/src/test/objectstore_bench.cc
new file mode 100644
index 000000000..65a2987d0
--- /dev/null
+++ b/src/test/objectstore_bench.cc
@@ -0,0 +1,329 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include <chrono>
+#include <cassert>
+#include <condition_variable>
+#include <memory>
+#include <mutex>
+#include <thread>
+
+#include "os/ObjectStore.h"
+
+#include "global/global_init.h"
+
+#include "common/strtol.h"
+#include "common/ceph_argparse.h"
+
+#define dout_context g_ceph_context
+#define dout_subsys ceph_subsys_filestore
+
+using namespace std;
+
+static void usage()
+{
+  cout << "usage: ceph_objectstore_bench [flags]\n"
+      "	 --size\n"
+      "	       total size in bytes\n"
+      "	 --block-size\n"
+      "	       block size in bytes for each write\n"
+      "	 --repeats\n"
+      "	       number of times to repeat the write cycle\n"
+      "	 --threads\n"
+      "	       number of threads to carry out this workload\n"
+      "	 --multi-object\n"
+    "	       have each thread write to a separate object\n" << std::endl;
+  generic_server_usage();
+}
+
+// helper class for bytes with units
+struct byte_units {
+  size_t v;
+  // cppcheck-suppress noExplicitConstructor
+  byte_units(size_t v) : v(v) {}
+
+  bool parse(const std::string &val, std::string *err);
+
+  operator size_t() const { return v; }
+};
+
+bool byte_units::parse(const std::string &val, std::string *err)
+{
+  v = strict_iecstrtoll(val, err);
+  return err->empty();
+}
+
+std::ostream& operator<<(std::ostream &out, const byte_units &amount)
+{
+  static const char* units[] = { "B", "KB", "MB", "GB", "TB", "PB", "EB" };
+  static const int max_units = sizeof(units)/sizeof(*units);
+
+  int unit = 0;
+  auto v = amount.v;
+  while (v >= 1024 && unit < max_units) {
+    // preserve significant bytes
+    if (v < 1048576 && (v % 1024 != 0))
+      break;
+    v >>= 10;
+    unit++;
+  }
+  return out << v << ' ' << units[unit];
+}
+
+struct Config {
+  byte_units size;
+  byte_units block_size;
+  int repeats;
+  int threads;
+  bool multi_object;
+  Config()
+    : size(1048576), block_size(4096),
+      repeats(1), threads(1),
+      multi_object(false) {}
+};
+
+class C_NotifyCond : public Context {
+  std::mutex *mutex;
+  std::condition_variable *cond;
+  bool *done;
+public:
+  C_NotifyCond(std::mutex *mutex, std::condition_variable *cond, bool *done)
+    : mutex(mutex), cond(cond), done(done) {}
+  void finish(int r) override {
+    std::lock_guard<std::mutex> lock(*mutex);
+    *done = true;
+    cond->notify_one();
+  }
+};
+
+void osbench_worker(ObjectStore *os, const Config &cfg,
+                    const coll_t cid, const ghobject_t oid,
+                    uint64_t starting_offset)
+{
+  bufferlist data;
+  data.append(buffer::create(cfg.block_size));
+
+  dout(0) << "Writing " << cfg.size
+      << " in blocks of " << cfg.block_size << dendl;
+
+  ceph_assert(starting_offset < cfg.size);
+  ceph_assert(starting_offset % cfg.block_size == 0);
+
+  ObjectStore::CollectionHandle ch = os->open_collection(cid);
+  ceph_assert(ch);
+
+  for (int i = 0; i < cfg.repeats; ++i) {
+    uint64_t offset = starting_offset;
+    size_t len = cfg.size;
+
+    vector<ObjectStore::Transaction> tls;
+
+    std::cout << "Write cycle " << i << std::endl;
+    while (len) {
+      size_t count = len < cfg.block_size ? len : (size_t)cfg.block_size;
+
+      auto t = new ObjectStore::Transaction;
+      t->write(cid, oid, offset, count, data);
+      tls.push_back(std::move(*t));
+      delete t;
+
+      offset += count;
+      if (offset > cfg.size)
+        offset -= cfg.size;
+      len -= count;
+    }
+
+    // set up the finisher
+    std::mutex mutex;
+    std::condition_variable cond;
+    bool done = false;
+
+    tls.back().register_on_commit(new C_NotifyCond(&mutex, &cond, &done));
+    os->queue_transactions(ch, tls);
+
+    std::unique_lock<std::mutex> lock(mutex);
+    cond.wait(lock, [&done](){ return done; });
+    lock.unlock();
+  }
+}
+
+int main(int argc, const char *argv[])
+{
+  // command-line arguments
+  auto args = argv_to_vec(argc, argv);
+
+  if (args.empty()) {
+    cerr << argv[0] << ": -h or --help for usage" << std::endl;
+    exit(1);
+  }
+  if (ceph_argparse_need_usage(args)) {
+    usage();
+    exit(0);
+  }
+
+  auto cct = global_init(nullptr, args, CEPH_ENTITY_TYPE_OSD,
+			 CODE_ENVIRONMENT_UTILITY,
+			 CINIT_FLAG_NO_DEFAULT_CONFIG_FILE);
+
+  Config cfg;
+  std::string val;
+  vector<const char*>::iterator i = args.begin();
+  while (i != args.end()) {
+    if (ceph_argparse_double_dash(args, i))
+      break;
+
+    if (ceph_argparse_witharg(args, i, &val, "--size", (char*)nullptr)) {
+      std::string err;
+      if (!cfg.size.parse(val, &err)) {
+        derr << "error parsing size: " << err << dendl;
+        exit(1);
+      }
+    } else if (ceph_argparse_witharg(args, i, &val, "--block-size", (char*)nullptr)) {
+      std::string err;
+      if (!cfg.block_size.parse(val, &err)) {
+        derr << "error parsing block-size: " << err << dendl;
+        exit(1);
+      }
+    } else if (ceph_argparse_witharg(args, i, &val, "--repeats", (char*)nullptr)) {
+      cfg.repeats = atoi(val.c_str());
+    } else if (ceph_argparse_witharg(args, i, &val, "--threads", (char*)nullptr)) {
+      cfg.threads = atoi(val.c_str());
+    } else if (ceph_argparse_flag(args, i, "--multi-object", (char*)nullptr)) {
+      cfg.multi_object = true;
+    } else {
+      derr << "Error: can't understand argument: " << *i << "\n" << dendl;
+      exit(1);
+    }
+  }
+
+  common_init_finish(g_ceph_context);
+
+  // create object store
+  dout(0) << "objectstore " << g_conf()->osd_objectstore << dendl;
+  dout(0) << "data " << g_conf()->osd_data << dendl;
+  dout(0) << "journal " << g_conf()->osd_journal << dendl;
+  dout(0) << "size " << cfg.size << dendl;
+  dout(0) << "block-size " << cfg.block_size << dendl;
+  dout(0) << "repeats " << cfg.repeats << dendl;
+  dout(0) << "threads " << cfg.threads << dendl;
+
+  auto os =
+      ObjectStore::create(g_ceph_context,
+                          g_conf()->osd_objectstore,
+                          g_conf()->osd_data,
+                          g_conf()->osd_journal);
+
+  //Checking data folder: create if needed or error if it's not empty
+  DIR *dir = ::opendir(g_conf()->osd_data.c_str());
+  if (!dir) {
+    std::string cmd("mkdir -p ");
+    cmd+=g_conf()->osd_data;
+    int r = ::system( cmd.c_str() );
+    if( r<0 ){
+      derr << "Failed to create data directory, ret = " << r << dendl;
+      return 1;
+    }
+  }
+  else {
+     bool non_empty = readdir(dir) != NULL && readdir(dir) != NULL && readdir(dir) != NULL;
+     if( non_empty ){
+       derr << "Data directory '"<<g_conf()->osd_data<<"' isn't empty, please clean it first."<< dendl;
+       return 1;
+     }
+  }
+  ::closedir(dir);
+
+  //Create folders for journal if needed
+  string journal_base = g_conf()->osd_journal.substr(0, g_conf()->osd_journal.rfind('/'));
+  struct stat sb;
+  if (stat(journal_base.c_str(), &sb) != 0 ){
+    std::string cmd("mkdir -p ");
+    cmd+=journal_base;
+    int r = ::system( cmd.c_str() );
+    if( r<0 ){
+      derr << "Failed to create journal directory, ret = " << r << dendl;
+      return 1;
+    }
+  }
+
+  if (!os) {
+    derr << "bad objectstore type " << g_conf()->osd_objectstore << dendl;
+    return 1;
+  }
+  if (os->mkfs() < 0) {
+    derr << "mkfs failed" << dendl;
+    return 1;
+  }
+  if (os->mount() < 0) {
+    derr << "mount failed" << dendl;
+    return 1;
+  }
+
+  dout(10) << "created objectstore " << os.get() << dendl;
+
+  // create a collection
+  spg_t pg;
+  const coll_t cid(pg);
+  ObjectStore::CollectionHandle ch = os->create_new_collection(cid);
+  {
+    ObjectStore::Transaction t;
+    t.create_collection(cid, 0);
+    os->queue_transaction(ch, std::move(t));
+  }
+
+  // create the objects
+  std::vector<ghobject_t> oids;
+  if (cfg.multi_object) {
+    oids.reserve(cfg.threads);
+    for (int i = 0; i < cfg.threads; i++) {
+      std::stringstream oss;
+      oss << "osbench-thread-" << i;
+      oids.emplace_back(hobject_t(sobject_t(oss.str(), CEPH_NOSNAP)));
+
+      ObjectStore::Transaction t;
+      t.touch(cid, oids[i]);
+      int r = os->queue_transaction(ch, std::move(t));
+      ceph_assert(r == 0);
+    }
+  } else {
+    oids.emplace_back(hobject_t(sobject_t("osbench", CEPH_NOSNAP)));
+
+    ObjectStore::Transaction t;
+    t.touch(cid, oids.back());
+    int r = os->queue_transaction(ch, std::move(t));
+    ceph_assert(r == 0);
+  }
+
+  // run the worker threads
+  std::vector<std::thread> workers;
+  workers.reserve(cfg.threads);
+
+  using namespace std::chrono;
+  auto t1 = high_resolution_clock::now();
+  for (int i = 0; i < cfg.threads; i++) {
+    const auto &oid = cfg.multi_object ? oids[i] : oids[0];
+    workers.emplace_back(osbench_worker, os.get(), std::ref(cfg),
+                         cid, oid, i * cfg.size / cfg.threads);
+  }
+  for (auto &worker : workers)
+    worker.join();
+  auto t2 = high_resolution_clock::now();
+  workers.clear();
+
+  auto duration = duration_cast<microseconds>(t2 - t1);
+  byte_units total = cfg.size * cfg.repeats * cfg.threads;
+  byte_units rate = (1000000LL * total) / duration.count();
+  size_t iops = (1000000LL * total / cfg.block_size) / duration.count();
+  dout(0) << "Wrote " << total << " in "
+      << duration.count() << "us, at a rate of " << rate << "/s and "
+      << iops << " iops" << dendl;
+
+  // remove the objects
+  ObjectStore::Transaction t;
+  for (const auto &oid : oids)
+    t.remove(cid, oid);
+  os->queue_transaction(ch, std::move(t));
+
+  os->umount();
+  return 0;
+}