+++ /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.
- *
- */
-
-// This code assumes that IO IDs and timestamps are related monotonically.
-// In other words, (a.id < b.id) == (a.timestamp < b.timestamp) for all IOs a and b.
-
-#include "ios.hpp"
-#include "rbd_replay/ActionTypes.h"
-
-using namespace std;
-using namespace rbd_replay;
-
-namespace {
-
-bool compare_dependencies_by_start_time(const action::Dependency &lhs,
- const action::Dependency &rhs) {
- return lhs.time_delta < rhs.time_delta;
-}
-
-action::Dependencies convert_dependencies(uint64_t start_time,
- const io_set_t &deps) {
- action::Dependencies action_deps;
- action_deps.reserve(deps.size());
- for (io_set_t::const_iterator it = deps.begin(); it != deps.end(); ++it) {
- boost::shared_ptr<IO> io = *it;
- uint64_t time_delta = 0;
- if (start_time >= io->start_time()) {
- time_delta = start_time - io->start_time();
- }
- action_deps.push_back(action::Dependency(io->ionum(), time_delta));
- }
- std::sort(action_deps.begin(), action_deps.end(),
- compare_dependencies_by_start_time);
- return action_deps;
-}
-
-} // anonymous namespace
-
-void IO::write_debug_base(ostream& out, string type) const {
- out << m_ionum << ": " << m_start_time / 1000000.0 << ": " << type << ", thread = " << m_thread_id << ", deps = {";
- bool first = true;
- for (io_set_t::iterator itr = m_dependencies.begin(), end = m_dependencies.end(); itr != end; ++itr) {
- if (first) {
- first = false;
- } else {
- out << ", ";
- }
- out << (*itr)->m_ionum << ": " << m_start_time - (*itr)->m_start_time;
- }
- out << "}";
-}
-
-
-ostream& operator<<(ostream &out, const IO::ptr &io) {
- io->write_debug(out);
- return out;
-}
-
-void StartThreadIO::encode(bufferlist &bl) const {
- action::Action action((action::StartThreadAction(
- ionum(), thread_id(), convert_dependencies(start_time(), dependencies()))));
- ::encode(action, bl);
-}
-
-void StartThreadIO::write_debug(std::ostream& out) const {
- write_debug_base(out, "start thread");
-}
-
-void StopThreadIO::encode(bufferlist &bl) const {
- action::Action action((action::StopThreadAction(
- ionum(), thread_id(), convert_dependencies(start_time(), dependencies()))));
- ::encode(action, bl);
-}
-
-void StopThreadIO::write_debug(std::ostream& out) const {
- write_debug_base(out, "stop thread");
-}
-
-void ReadIO::encode(bufferlist &bl) const {
- action::Action action((action::ReadAction(
- ionum(), thread_id(), convert_dependencies(start_time(), dependencies()),
- m_imagectx, m_offset, m_length)));
- ::encode(action, bl);
-}
-
-void ReadIO::write_debug(std::ostream& out) const {
- write_debug_base(out, "read");
- out << ", imagectx=" << m_imagectx << ", offset=" << m_offset << ", length=" << m_length << "]";
-}
-
-void WriteIO::encode(bufferlist &bl) const {
- action::Action action((action::WriteAction(
- ionum(), thread_id(), convert_dependencies(start_time(), dependencies()),
- m_imagectx, m_offset, m_length)));
- ::encode(action, bl);
-}
-
-void WriteIO::write_debug(std::ostream& out) const {
- write_debug_base(out, "write");
- out << ", imagectx=" << m_imagectx << ", offset=" << m_offset << ", length=" << m_length << "]";
-}
-
-void DiscardIO::encode(bufferlist &bl) const {
- action::Action action((action::DiscardAction(
- ionum(), thread_id(), convert_dependencies(start_time(), dependencies()),
- m_imagectx, m_offset, m_length)));
- ::encode(action, bl);
-}
-
-void DiscardIO::write_debug(std::ostream& out) const {
- write_debug_base(out, "discard");
- out << ", imagectx=" << m_imagectx << ", offset=" << m_offset << ", length=" << m_length << "]";
-}
-
-void AioReadIO::encode(bufferlist &bl) const {
- action::Action action((action::AioReadAction(
- ionum(), thread_id(), convert_dependencies(start_time(), dependencies()),
- m_imagectx, m_offset, m_length)));
- ::encode(action, bl);
-}
-
-void AioReadIO::write_debug(std::ostream& out) const {
- write_debug_base(out, "aio read");
- out << ", imagectx=" << m_imagectx << ", offset=" << m_offset << ", length=" << m_length << "]";
-}
-
-void AioWriteIO::encode(bufferlist &bl) const {
- action::Action action((action::AioWriteAction(
- ionum(), thread_id(), convert_dependencies(start_time(), dependencies()),
- m_imagectx, m_offset, m_length)));
- ::encode(action, bl);
-}
-
-void AioWriteIO::write_debug(std::ostream& out) const {
- write_debug_base(out, "aio write");
- out << ", imagectx=" << m_imagectx << ", offset=" << m_offset << ", length=" << m_length << "]";
-}
-
-void AioDiscardIO::encode(bufferlist &bl) const {
- action::Action action((action::AioDiscardAction(
- ionum(), thread_id(), convert_dependencies(start_time(), dependencies()),
- m_imagectx, m_offset, m_length)));
- ::encode(action, bl);
-}
-
-void AioDiscardIO::write_debug(std::ostream& out) const {
- write_debug_base(out, "aio discard");
- out << ", imagectx=" << m_imagectx << ", offset=" << m_offset << ", length=" << m_length << "]";
-}
-
-void OpenImageIO::encode(bufferlist &bl) const {
- action::Action action((action::OpenImageAction(
- ionum(), thread_id(), convert_dependencies(start_time(), dependencies()),
- m_imagectx, m_name, m_snap_name, m_readonly)));
- ::encode(action, bl);
-}
-
-void OpenImageIO::write_debug(std::ostream& out) const {
- write_debug_base(out, "open image");
- out << ", imagectx=" << m_imagectx << ", name='" << m_name << "', snap_name='" << m_snap_name << "', readonly=" << m_readonly;
-}
-
-void CloseImageIO::encode(bufferlist &bl) const {
- action::Action action((action::CloseImageAction(
- ionum(), thread_id(), convert_dependencies(start_time(), dependencies()),
- m_imagectx)));
- ::encode(action, bl);
-}
-
-void CloseImageIO::write_debug(std::ostream& out) const {
- write_debug_base(out, "close image");
- out << ", imagectx=" << m_imagectx;
-}
-
-void AioOpenImageIO::encode(bufferlist &bl) const {
- action::Action action((action::AioOpenImageAction(
- ionum(), thread_id(), convert_dependencies(start_time(), dependencies()),
- m_imagectx, m_name, m_snap_name, m_readonly)));
- ::encode(action, bl);
-}
-
-void AioOpenImageIO::write_debug(std::ostream& out) const {
- write_debug_base(out, "aio open image");
- out << ", imagectx=" << m_imagectx << ", name='" << m_name << "', snap_name='" << m_snap_name << "', readonly=" << m_readonly;
-}
-
-void AioCloseImageIO::encode(bufferlist &bl) const {
- action::Action action((action::AioCloseImageAction(
- ionum(), thread_id(), convert_dependencies(start_time(), dependencies()),
- m_imagectx)));
- ::encode(action, bl);
-}
-
-void AioCloseImageIO::write_debug(std::ostream& out) const {
- write_debug_base(out, "aio close image");
- out << ", imagectx=" << m_imagectx;
-}
Code Review / stor4nfv.git / blobdiff