+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2014 Adam Crume <adamcrume@gmail.com>
- *
- * This is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2.1, as published by the Free Software
- * Foundation. See file COPYING.
- *
- */
-
-#include <vector>
-#include <boost/thread.hpp>
-#include "common/ceph_argparse.h"
-#include "global/global_init.h"
-#include "Replayer.hpp"
-#include "rbd_replay_debug.hpp"
-#include "ImageNameMap.hpp"
-
-
-using namespace std;
-using namespace rbd_replay;
-
-
-static const char* get_remainder(const char *string, const char *prefix) {
- while (*prefix) {
- if (*prefix++ != *string++) {
- return NULL;
- }
- }
- return string;
-}
-
-static void usage(const char* program) {
- cout << "Usage: " << program << " --conf=<config_file> <replay_file>" << std::endl;
- cout << "Options:" << std::endl;
- cout << " -p, --pool-name <pool> Name of the pool to use. Default: rbd" << std::endl;
- cout << " --latency-multiplier <float> Multiplies inter-request latencies. Default: 1" << std::endl;
- cout << " --read-only Only perform non-destructive operations." << std::endl;
- cout << " --map-image <rule> Add a rule to map image names in the trace to" << std::endl;
- cout << " image names in the replay cluster." << std::endl;
- cout << " --dump-perf-counters *Experimental*" << std::endl;
- cout << " Dump performance counters to standard out before" << std::endl;
- cout << " an image is closed. Performance counters may be dumped" << std::endl;
- cout << " multiple times if multiple images are closed, or if" << std::endl;
- cout << " the same image is opened and closed multiple times." << std::endl;
- cout << " Performance counters and their meaning may change between" << std::endl;
- cout << " versions." << std::endl;
- cout << std::endl;
- cout << "Image mapping rules:" << std::endl;
- cout << "A rule of image1@snap1=image2@snap2 would map snap1 of image1 to snap2 of" << std::endl;
- cout << "image2." << std::endl;
-}
-
-int main(int argc, const char **argv) {
- vector<const char*> args;
-
- argv_to_vec(argc, argv, args);
- env_to_vec(args);
- auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT,
- CODE_ENVIRONMENT_UTILITY, 0);
-
- std::vector<const char*>::iterator i;
- string pool_name;
- float latency_multiplier = 1;
- bool readonly = false;
- ImageNameMap image_name_map;
- std::string val;
- std::ostringstream err;
- bool dump_perf_counters = false;
- for (i = args.begin(); i != args.end(); ) {
- if (ceph_argparse_double_dash(args, i)) {
- break;
- } else if (ceph_argparse_witharg(args, i, &val, "-p", "--pool", (char*)NULL)) {
- pool_name = val;
- } else if (ceph_argparse_witharg(args, i, &latency_multiplier, err, "--latency-multiplier",
- (char*)NULL)) {
- if (!err.str().empty()) {
- cerr << err.str() << std::endl;
- return 1;
- }
- } else if (ceph_argparse_flag(args, i, "--read-only", (char*)NULL)) {
- readonly = true;
- } else if (ceph_argparse_witharg(args, i, &val, "--map-image", (char*)NULL)) {
- ImageNameMap::Mapping mapping;
- if (image_name_map.parse_mapping(val, &mapping)) {
- image_name_map.add_mapping(mapping);
- } else {
- cerr << "Unable to parse mapping string: '" << val << "'" << std::endl;
- return 1;
- }
- } else if (ceph_argparse_flag(args, i, "-h", "--help", (char*)NULL)) {
- usage(argv[0]);
- return 0;
- } else if (ceph_argparse_flag(args, i, "--dump-perf-counters", (char*)NULL)) {
- dump_perf_counters = true;
- } else if (get_remainder(*i, "-")) {
- cerr << "Unrecognized argument: " << *i << std::endl;
- return 1;
- } else {
- ++i;
- }
- }
-
- common_init_finish(g_ceph_context);
-
- string replay_file;
- if (!args.empty()) {
- replay_file = args[0];
- }
-
- if (replay_file.empty()) {
- cerr << "No replay file specified." << std::endl;
- return 1;
- }
-
- unsigned int nthreads = boost::thread::hardware_concurrency();
- Replayer replayer(2 * nthreads + 1);
- replayer.set_latency_multiplier(latency_multiplier);
- replayer.set_pool_name(pool_name);
- replayer.set_readonly(readonly);
- replayer.set_image_name_map(image_name_map);
- replayer.set_dump_perf_counters(dump_perf_counters);
- replayer.run(replay_file);
-}