+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#include "tools/rbd/ArgumentTypes.h"
-#include "tools/rbd/Shell.h"
-#include "tools/rbd/Utils.h"
-#include "common/errno.h"
-#include "common/strtol.h"
-#include "common/Cond.h"
-#include "common/Mutex.h"
-#include <iostream>
-#include <boost/accumulators/accumulators.hpp>
-#include <boost/accumulators/statistics/stats.hpp>
-#include <boost/accumulators/statistics/rolling_sum.hpp>
-#include <boost/program_options.hpp>
-
-namespace rbd {
-namespace action {
-namespace bench {
-
-namespace at = argument_types;
-namespace po = boost::program_options;
-
-namespace {
-
-enum io_type_t {
- IO_TYPE_READ = 0,
- IO_TYPE_WRITE,
-
- IO_TYPE_NUM,
-};
-
-struct IOType {};
-struct Size {};
-struct IOPattern {};
-
-void validate(boost::any& v, const std::vector<std::string>& values,
- Size *target_type, int) {
- po::validators::check_first_occurrence(v);
- const std::string &s = po::validators::get_single_string(values);
-
- std::string parse_error;
- uint64_t size = strict_sistrtoll(s.c_str(), &parse_error);
- if (!parse_error.empty()) {
- throw po::validation_error(po::validation_error::invalid_option_value);
- }
- v = boost::any(size);
-}
-
-void validate(boost::any& v, const std::vector<std::string>& values,
- IOPattern *target_type, int) {
- po::validators::check_first_occurrence(v);
- const std::string &s = po::validators::get_single_string(values);
- if (s == "rand") {
- v = boost::any(true);
- } else if (s == "seq") {
- v = boost::any(false);
- } else {
- throw po::validation_error(po::validation_error::invalid_option_value);
- }
-}
-
-io_type_t get_io_type(string io_type_string) {
- if (io_type_string == "read")
- return IO_TYPE_READ;
- else if (io_type_string == "write")
- return IO_TYPE_WRITE;
- else
- return IO_TYPE_NUM;
-}
-
-void validate(boost::any& v, const std::vector<std::string>& values,
- IOType *target_type, int) {
- po::validators::check_first_occurrence(v);
- const std::string &s = po::validators::get_single_string(values);
- io_type_t io_type = get_io_type(s);
- if (io_type >= IO_TYPE_NUM)
- throw po::validation_error(po::validation_error::invalid_option_value);
- else
- v = boost::any(io_type);
-}
-
-} // anonymous namespace
-
-static void rbd_bencher_completion(void *c, void *pc);
-struct rbd_bencher;
-
-struct bencher_completer {
- rbd_bencher *bencher;
- bufferlist *bl;
-
-public:
- bencher_completer(rbd_bencher *bencher, bufferlist *bl)
- : bencher(bencher), bl(bl)
- { }
-
- ~bencher_completer()
- {
- if (bl)
- delete bl;
- }
-};
-
-struct rbd_bencher {
- librbd::Image *image;
- Mutex lock;
- Cond cond;
- int in_flight;
- io_type_t io_type;
- uint64_t io_size;
- bufferlist write_bl;
-
- explicit rbd_bencher(librbd::Image *i, io_type_t io_type, uint64_t io_size)
- : image(i),
- lock("rbd_bencher::lock"),
- in_flight(0),
- io_type(io_type),
- io_size(io_size)
- {
- if (io_type == IO_TYPE_WRITE) {
- bufferptr bp(io_size);
- memset(bp.c_str(), rand() & 0xff, io_size);
- write_bl.push_back(bp);
- }
- }
-
-
- bool start_io(int max, uint64_t off, uint64_t len, int op_flags)
- {
- {
- Mutex::Locker l(lock);
- if (in_flight >= max)
- return false;
- in_flight++;
- }
-
- librbd::RBD::AioCompletion *c;
- if (io_type == IO_TYPE_READ) {
- bufferlist *read_bl = new bufferlist();
- c = new librbd::RBD::AioCompletion((void *)(new bencher_completer(this, read_bl)),
- rbd_bencher_completion);
- image->aio_read2(off, len, *read_bl, c, op_flags);
- } else if (io_type == IO_TYPE_WRITE) {
- c = new librbd::RBD::AioCompletion((void *)(new bencher_completer(this, NULL)),
- rbd_bencher_completion);
- image->aio_write2(off, len, write_bl, c, op_flags);
- } else {
- assert(0 == "Invalid io_type");
- }
- //cout << "start " << c << " at " << off << "~" << len << std::endl;
- return true;
- }
-
- void wait_for(int max) {
- Mutex::Locker l(lock);
- while (in_flight > max) {
- utime_t dur;
- dur.set_from_double(.2);
- cond.WaitInterval(lock, dur);
- }
- }
-
-};
-
-void rbd_bencher_completion(void *vc, void *pc)
-{
- librbd::RBD::AioCompletion *c = (librbd::RBD::AioCompletion *)vc;
- bencher_completer *bc = static_cast<bencher_completer *>(pc);
- rbd_bencher *b = bc->bencher;
- //cout << "complete " << c << std::endl;
- int ret = c->get_return_value();
- if (b->io_type == IO_TYPE_WRITE && ret != 0) {
- cout << "write error: " << cpp_strerror(ret) << std::endl;
- exit(ret < 0 ? -ret : ret);
- } else if (b->io_type == IO_TYPE_READ && (unsigned int)ret != b->io_size) {
- cout << "read error: " << cpp_strerror(ret) << std::endl;
- exit(ret < 0 ? -ret : ret);
- }
- b->lock.Lock();
- b->in_flight--;
- b->cond.Signal();
- b->lock.Unlock();
- c->release();
- delete bc;
-}
-
-int do_bench(librbd::Image& image, io_type_t io_type,
- uint64_t io_size, uint64_t io_threads,
- uint64_t io_bytes, bool random)
-{
- uint64_t size = 0;
- image.size(&size);
- if (io_size > size) {
- std::cerr << "rbd: io-size " << prettybyte_t(io_size) << " "
- << "larger than image size " << prettybyte_t(size) << std::endl;
- return -EINVAL;
- }
-
- if (io_size > std::numeric_limits<uint32_t>::max()) {
- std::cerr << "rbd: io-size should be less than 4G" << std::endl;
- return -EINVAL;
- }
-
- rbd_bencher b(&image, io_type, io_size);
-
- std::cout << "bench "
- << " type " << (io_type == IO_TYPE_READ ? "read" : "write")
- << " io_size " << io_size
- << " io_threads " << io_threads
- << " bytes " << io_bytes
- << " pattern " << (random ? "random" : "sequential")
- << std::endl;
-
- srand(time(NULL) % (unsigned long) -1);
-
- utime_t start = ceph_clock_now();
- utime_t last;
- unsigned ios = 0;
-
- vector<uint64_t> thread_offset;
- uint64_t i;
- uint64_t start_pos;
-
- // disturb all thread's offset, used by seq IO
- for (i = 0; i < io_threads; i++) {
- start_pos = (rand() % (size / io_size)) * io_size;
- thread_offset.push_back(start_pos);
- }
-
- const int WINDOW_SIZE = 5;
- typedef boost::accumulators::accumulator_set<
- double, boost::accumulators::stats<
- boost::accumulators::tag::rolling_sum> > RollingSum;
-
- RollingSum time_acc(
- boost::accumulators::tag::rolling_window::window_size = WINDOW_SIZE);
- RollingSum ios_acc(
- boost::accumulators::tag::rolling_window::window_size = WINDOW_SIZE);
- RollingSum off_acc(
- boost::accumulators::tag::rolling_window::window_size = WINDOW_SIZE);
- uint64_t cur_ios = 0;
- uint64_t cur_off = 0;
-
- int op_flags;
- if (random) {
- op_flags = LIBRADOS_OP_FLAG_FADVISE_RANDOM;
- } else {
- op_flags = LIBRADOS_OP_FLAG_FADVISE_SEQUENTIAL;
- }
-
- printf(" SEC OPS OPS/SEC BYTES/SEC\n");
- uint64_t off;
- for (off = 0; off < io_bytes; ) {
- b.wait_for(io_threads - 1);
- i = 0;
- while (i < io_threads && off < io_bytes) {
- if (!b.start_io(io_threads, thread_offset[i], io_size, op_flags)) {
- break;
- }
- if (random) {
- thread_offset[i] = (rand() % (size / io_size)) * io_size;
- } else {
- thread_offset[i] += io_size;
- if (thread_offset[i] + io_size > size)
- thread_offset[i] = 0;
- }
- ++i;
- ++ios;
- off += io_size;
-
- ++cur_ios;
- cur_off += io_size;
- }
-
- utime_t now = ceph_clock_now();
- utime_t elapsed = now - start;
- if (last.is_zero()) {
- last = elapsed;
- } else if (elapsed.sec() != last.sec()) {
- time_acc(elapsed - last);
- ios_acc(static_cast<double>(cur_ios));
- off_acc(static_cast<double>(cur_off));
- cur_ios = 0;
- cur_off = 0;
-
- double time_sum = boost::accumulators::rolling_sum(time_acc);
- printf("%5d %8d %8.2lf %8.2lf\n",
- (int)elapsed,
- (int)(ios - io_threads),
- boost::accumulators::rolling_sum(ios_acc) / time_sum,
- boost::accumulators::rolling_sum(off_acc) / time_sum);
- last = elapsed;
- }
- }
- b.wait_for(0);
- int r = image.flush();
- if (r < 0) {
- std::cerr << "Error flushing data at the end: " << cpp_strerror(r)
- << std::endl;
- }
-
- utime_t now = ceph_clock_now();
- double elapsed = now - start;
-
- printf("elapsed: %5d ops: %8d ops/sec: %8.2lf bytes/sec: %8.2lf\n",
- (int)elapsed, ios, (double)ios / elapsed, (double)off / elapsed);
-
- return 0;
-}
-
-void add_bench_common_options(po::options_description *positional,
- po::options_description *options) {
- at::add_image_spec_options(positional, options, at::ARGUMENT_MODIFIER_NONE);
-
- options->add_options()
- ("io-size", po::value<Size>(), "IO size (in B/K/M/G/T) [default: 4K]")
- ("io-threads", po::value<uint32_t>(), "ios in flight [default: 16]")
- ("io-total", po::value<Size>(), "total size for IO (in B/K/M/G/T) [default: 1G]")
- ("io-pattern", po::value<IOPattern>(), "IO pattern (rand or seq) [default: seq]");
-}
-
-void get_arguments_for_write(po::options_description *positional,
- po::options_description *options) {
- add_bench_common_options(positional, options);
-}
-
-void get_arguments_for_bench(po::options_description *positional,
- po::options_description *options) {
- add_bench_common_options(positional, options);
-
- options->add_options()
- ("io-type", po::value<IOType>()->required(), "IO type (read or write)");
-}
-
-int bench_execute(const po::variables_map &vm, io_type_t bench_io_type) {
- size_t arg_index = 0;
- std::string pool_name;
- std::string image_name;
- std::string snap_name;
- utils::SnapshotPresence snap_presence = utils::SNAPSHOT_PRESENCE_NONE;
- if (bench_io_type == IO_TYPE_READ)
- snap_presence = utils::SNAPSHOT_PRESENCE_PERMITTED;
-
- int r = utils::get_pool_image_snapshot_names(
- vm, at::ARGUMENT_MODIFIER_NONE, &arg_index, &pool_name, &image_name,
- &snap_name, snap_presence, utils::SPEC_VALIDATION_NONE);
- if (r < 0) {
- return r;
- }
-
- uint64_t bench_io_size;
- if (vm.count("io-size")) {
- bench_io_size = vm["io-size"].as<uint64_t>();
- } else {
- bench_io_size = 4096;
- }
- if (bench_io_size == 0) {
- std::cerr << "rbd: --io-size should be greater than zero." << std::endl;
- return -EINVAL;
- }
-
- uint32_t bench_io_threads;
- if (vm.count("io-threads")) {
- bench_io_threads = vm["io-threads"].as<uint32_t>();
- } else {
- bench_io_threads = 16;
- }
- if (bench_io_threads == 0) {
- std::cerr << "rbd: --io-threads should be greater than zero." << std::endl;
- return -EINVAL;
- }
-
- uint64_t bench_bytes;
- if (vm.count("io-total")) {
- bench_bytes = vm["io-total"].as<uint64_t>();
- } else {
- bench_bytes = 1 << 30;
- }
-
- bool bench_random;
- if (vm.count("io-pattern")) {
- bench_random = vm["io-pattern"].as<bool>();
- } else {
- bench_random = false;
- }
-
- librados::Rados rados;
- librados::IoCtx io_ctx;
- librbd::Image image;
- r = utils::init_and_open_image(pool_name, image_name, "", "", false, &rados,
- &io_ctx, &image);
- if (r < 0) {
- return r;
- }
-
- r = do_bench(image, bench_io_type, bench_io_size, bench_io_threads,
- bench_bytes, bench_random);
- if (r < 0) {
- std::cerr << "bench failed: " << cpp_strerror(r) << std::endl;
- return r;
- }
- return 0;
-}
-
-int execute_for_write(const po::variables_map &vm) {
- std::cerr << "rbd: bench-write is deprecated, use rbd bench --io-type write ..." << std::endl;
- return bench_execute(vm, IO_TYPE_WRITE);
-}
-
-int execute_for_bench(const po::variables_map &vm) {
- io_type_t bench_io_type;
- if (vm.count("io-type")) {
- bench_io_type = vm["io-type"].as<io_type_t>();
- } else {
- std::cerr << "rbd: --io-type must be specified." << std::endl;
- return -EINVAL;
- }
-
- return bench_execute(vm, bench_io_type);
-}
-
-Shell::Action action_write(
- {"bench-write"}, {}, "Simple write benchmark. (Deprecated, please use `rbd bench --io-type write` instead.)",
- "", &get_arguments_for_write, &execute_for_write, false);
-
-Shell::Action action_bench(
- {"bench"}, {}, "Simple benchmark.", "", &get_arguments_for_bench, &execute_for_bench);
-
-} // namespace bench
-} // namespace action
-} // namespace rbd
Code Review / stor4nfv.git / blobdiff