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// -*- 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 UnitedStack <haomai@unitedstack.com>
*
* Author: Haomai Wang <haomaiwang@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 <stdlib.h>
#include <stdint.h>
#include <string>
#include <iostream>
using namespace std;
#include "common/ceph_argparse.h"
#include "common/debug.h"
#include "common/Cycles.h"
#include "global/global_init.h"
#include "os/ObjectStore.h"
class Transaction {
private:
ObjectStore::Transaction t;
public:
struct Tick {
uint64_t ticks;
uint64_t count;
Tick(): ticks(0), count(0) {}
void add(uint64_t a) {
ticks += a;
count++;
}
};
static Tick write_ticks, setattr_ticks, omap_setkeys_ticks, omap_rmkeys_ticks;
static Tick encode_ticks, decode_ticks, iterate_ticks;
void write(coll_t cid, const ghobject_t& oid, uint64_t off, uint64_t len,
const bufferlist& data) {
uint64_t start_time = Cycles::rdtsc();
t.write(cid, oid, off, len, data);
write_ticks.add(Cycles::rdtsc() - start_time);
}
void setattr(coll_t cid, const ghobject_t& oid, const string &name,
bufferlist& val) {
uint64_t start_time = Cycles::rdtsc();
t.setattr(cid, oid, name, val);
setattr_ticks.add(Cycles::rdtsc() - start_time);
}
void omap_setkeys(coll_t cid, const ghobject_t &oid,
const map<string, bufferlist> &attrset) {
uint64_t start_time = Cycles::rdtsc();
t.omap_setkeys(cid, oid, attrset);
omap_setkeys_ticks.add(Cycles::rdtsc() - start_time);
}
void omap_rmkeys(coll_t cid, const ghobject_t &oid,
const set<string> &keys) {
uint64_t start_time = Cycles::rdtsc();
t.omap_rmkeys(cid, oid, keys);
omap_rmkeys_ticks.add(Cycles::rdtsc() - start_time);
}
void apply_encode_decode() {
bufferlist bl;
ObjectStore::Transaction d;
uint64_t start_time = Cycles::rdtsc();
t.encode(bl);
encode_ticks.add(Cycles::rdtsc() - start_time);
auto bliter = bl.cbegin();
start_time = Cycles::rdtsc();
d.decode(bliter);
decode_ticks.add(Cycles::rdtsc() - start_time);
}
void apply_iterate() {
uint64_t start_time = Cycles::rdtsc();
ObjectStore::Transaction::iterator i = t.begin();
while (i.have_op()) {
ObjectStore::Transaction::Op *op = i.decode_op();
switch (op->op) {
case ObjectStore::Transaction::OP_WRITE:
{
ghobject_t oid = i.get_oid(op->oid);
bufferlist bl;
i.decode_bl(bl);
}
break;
case ObjectStore::Transaction::OP_SETATTR:
{
ghobject_t oid = i.get_oid(op->oid);
string name = i.decode_string();
bufferlist bl;
i.decode_bl(bl);
map<string, bufferptr> to_set;
to_set[name] = bufferptr(bl.c_str(), bl.length());
}
break;
case ObjectStore::Transaction::OP_OMAP_SETKEYS:
{
ghobject_t oid = i.get_oid(op->oid);
map<string, bufferptr> aset;
i.decode_attrset(aset);
}
break;
case ObjectStore::Transaction::OP_OMAP_RMKEYS:
{
ghobject_t oid = i.get_oid(op->oid);
set<string> keys;
i.decode_keyset(keys);
}
break;
}
}
iterate_ticks.add(Cycles::rdtsc() - start_time);
}
static void dump_stat() {
cerr << " write op: " << Cycles::to_microseconds(write_ticks.ticks) << "us count: " << write_ticks.count << std::endl;
cerr << " setattr op: " << Cycles::to_microseconds(setattr_ticks.ticks) << "us count: " << setattr_ticks.count << std::endl;
cerr << " omap_setkeys op: " << Cycles::to_microseconds(Transaction::omap_setkeys_ticks.ticks) << "us count: " << Transaction::omap_setkeys_ticks.count << std::endl;
cerr << " omap_rmkeys op: " << Cycles::to_microseconds(Transaction::omap_rmkeys_ticks.ticks) << "us count: " << Transaction::omap_rmkeys_ticks.count << std::endl;
cerr << " encode op: " << Cycles::to_microseconds(Transaction::encode_ticks.ticks) << "us count: " << Transaction::encode_ticks.count << std::endl;
cerr << " decode op: " << Cycles::to_microseconds(Transaction::decode_ticks.ticks) << "us count: " << Transaction::decode_ticks.count << std::endl;
cerr << " iterate op: " << Cycles::to_microseconds(Transaction::iterate_ticks.ticks) << "us count: " << Transaction::iterate_ticks.count << std::endl;
}
};
class PerfCase {
static const uint64_t Kib = 1024;
static const uint64_t Mib = 1024 * 1024;
static const string info_epoch_attr;
static const string info_info_attr;
static const string attr;
static const string snapset_attr;
static const string pglog_attr;
static const coll_t meta_cid;
static const coll_t cid;
static const ghobject_t pglog_oid;
static const ghobject_t info_oid;
map<string, bufferlist> data;
ghobject_t create_object() {
bufferlist bl = generate_random(100, 1);
return ghobject_t(hobject_t(string("obj_")+string(bl.c_str()), string(), rand() & 2 ? CEPH_NOSNAP : rand(), rand() & 0xFF, 0, ""));
}
bufferlist generate_random(uint64_t len, int frag) {
static const char alphanum[] = "0123456789"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz";
uint64_t per_frag = len / frag;
bufferlist bl;
for (int i = 0; i < frag; i++ ) {
bufferptr bp(per_frag);
for (unsigned int j = 0; j < len; j++) {
bp[j] = alphanum[rand() % (sizeof(alphanum) - 1)];
}
bl.append(bp);
}
return bl;
}
public:
PerfCase() {
uint64_t four_kb = Kib * 4;
uint64_t one_mb = Mib * 1;
uint64_t four_mb = Mib * 4;
data["4k"] = generate_random(four_kb, 1);
data["1m"] = generate_random(one_mb, 1);
data["4m"] = generate_random(four_mb, 1);
data[attr] = generate_random(256, 1);
data[snapset_attr] = generate_random(32, 1);
data[pglog_attr] = generate_random(128, 1);
data[info_epoch_attr] = generate_random(4, 1);
data[info_info_attr] = generate_random(560, 1);
}
uint64_t rados_write_4k(int times) {
uint64_t ticks = 0;
uint64_t len = Kib *4;
for (int i = 0; i < times; i++) {
uint64_t start_time = 0;
{
Transaction t;
ghobject_t oid = create_object();
start_time = Cycles::rdtsc();
t.write(cid, oid, 0, len, data["4k"]);
t.setattr(cid, oid, attr, data[attr]);
t.setattr(cid, oid, snapset_attr, data[snapset_attr]);
t.apply_encode_decode();
t.apply_iterate();
ticks += Cycles::rdtsc() - start_time;
}
{
Transaction t;
map<string, bufferlist> pglog_attrset;
map<string, bufferlist> info_attrset;
set<string> keys;
keys.insert(pglog_attr);
pglog_attrset[pglog_attr] = data[pglog_attr];
info_attrset[info_epoch_attr] = data[info_epoch_attr];
info_attrset[info_info_attr] = data[info_info_attr];
start_time = Cycles::rdtsc();
t.omap_setkeys(meta_cid, pglog_oid, pglog_attrset);
t.omap_setkeys(meta_cid, info_oid, info_attrset);
t.omap_rmkeys(meta_cid, pglog_oid, keys);
t.apply_encode_decode();
t.apply_iterate();
ticks += Cycles::rdtsc() - start_time;
}
}
return ticks;
}
};
const string PerfCase::info_epoch_attr("11.40_epoch");
const string PerfCase::info_info_attr("11.40_info");
const string PerfCase::attr("_");
const string PerfCase::snapset_attr("snapset");
const string PerfCase::pglog_attr("pglog_attr");
const coll_t PerfCase::meta_cid;
const coll_t PerfCase::cid;
const ghobject_t PerfCase::pglog_oid(hobject_t(sobject_t(object_t("cid_pglog"), 0)));
const ghobject_t PerfCase::info_oid(hobject_t(sobject_t(object_t("infos"), 0)));
Transaction::Tick Transaction::write_ticks, Transaction::setattr_ticks, Transaction::omap_setkeys_ticks, Transaction::omap_rmkeys_ticks;
Transaction::Tick Transaction::encode_ticks, Transaction::decode_ticks, Transaction::iterate_ticks;
void usage(const string &name) {
cerr << "Usage: " << name << " [times] "
<< std::endl;
}
int main(int argc, char **argv)
{
vector<const char*> args;
argv_to_vec(argc, (const char **)argv, args);
auto cct = global_init(NULL, args, 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(nullptr);
Cycles::init();
cerr << "args: " << args << std::endl;
if (args.size() < 1) {
usage(argv[0]);
return 1;
}
uint64_t times = atoi(args[0]);
PerfCase c;
uint64_t ticks = c.rados_write_4k(times);
Transaction::dump_stat();
cerr << " Total rados op " << times << " run time " << Cycles::to_microseconds(ticks) << "us." << std::endl;
return 0;
}
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