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mttest.cc
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/* Masstree
* Eddie Kohler, Yandong Mao, Robert Morris
* Copyright (c) 2012-2013 President and Fellows of Harvard College
* Copyright (c) 2012-2013 Massachusetts Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, subject to the conditions
* listed in the Masstree LICENSE file. These conditions include: you must
* preserve this copyright notice, and you cannot mention the copyright
* holders in advertising related to the Software without their permission.
* The Software is provided WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED. This
* notice is a summary of the Masstree LICENSE file; the license in that file
* is legally binding.
*/
// -*- mode: c++ -*-
// mttest: key/value tester
//
#include <stdio.h>
#include <stdarg.h>
#include <ctype.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <sys/select.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/utsname.h>
#include <limits.h>
#if HAVE_NUMA_H
#include <numa.h>
#endif
#if HAVE_SYS_EPOLL_H
#include <sys/epoll.h>
#endif
#if HAVE_EXECINFO_H
#include <execinfo.h>
#endif
#if __linux__
#include <asm-generic/mman.h>
#endif
#include <fcntl.h>
#include <assert.h>
#include <string.h>
#include <pthread.h>
#include <math.h>
#include <signal.h>
#include <errno.h>
#ifdef __linux__
#include <malloc.h>
#endif
#include "nodeversion.hh"
#include "kvstats.hh"
#include "query_masstree.hh"
#include "masstree_tcursor.hh"
#include "masstree_insert.hh"
#include "masstree_remove.hh"
#include "masstree_scan.hh"
#include "timestamp.hh"
#include "json.hh"
#include "kvtest.hh"
#include "kvrandom.hh"
#include "kvrow.hh"
#include "kvio.hh"
#include "clp.h"
#include <algorithm>
#include <numeric>
static std::vector<int> cores;
volatile bool timeout[2] = {false, false};
double duration[2] = {10, 0};
// Do not start timer until asked
static bool lazy_timer = false;
int kvtest_first_seed = 31949;
uint64_t test_limit = ~uint64_t(0);
static Json test_param;
bool quiet = false;
bool print_table = false;
static const char *gid = NULL;
// all default to the number of cores
static int udpthreads = 0;
static int tcpthreads = 0;
static bool tree_stats = false;
static bool json_stats = false;
static bool pinthreads = false;
volatile uint64_t globalepoch = 1; // global epoch, updated by main thread regularly
kvepoch_t global_log_epoch = 0;
static int port = 2117;
static int rscale_ncores = 0;
#if MEMSTATS && HAVE_NUMA_H && HAVE_LIBNUMA
struct mttest_numainfo {
long long free;
long long size;
};
std::vector<mttest_numainfo> numa;
#endif
volatile bool recovering = false; // so don't add log entries, and free old value immediately
kvtimestamp_t initial_timestamp;
static const char *threadcounter_names[(int) tc_max];
/* running local tests */
void test_timeout(int) {
size_t n;
for (n = 0; n < arraysize(timeout) && timeout[n]; ++n)
/* do nothing */;
if (n < arraysize(timeout)) {
timeout[n] = true;
if (n + 1 < arraysize(timeout) && duration[n + 1])
xalarm(duration[n + 1]);
}
}
template <typename T>
struct kvtest_client {
kvtest_client()
: limit_(test_limit), ncores_(udpthreads), kvo_() {
}
~kvtest_client() {
if (kvo_)
free_kvout(kvo_);
}
int nthreads() const {
return udpthreads;
}
int id() const {
return ti_->index();
}
void set_table(T *table, threadinfo *ti) {
table_ = table;
ti_ = ti;
}
void reset(const String &test, int trial) {
report_ = Json().set("table", T().name())
.set("test", test).set("trial", trial)
.set("thread", ti_->index());
}
static void start_timer() {
always_assert(lazy_timer && "Cannot start timer without lazy_timer option");
always_assert(duration[0] && "Must specify timeout[0]");
xalarm(duration[0]);
}
bool timeout(int which) const {
return ::timeout[which];
}
uint64_t limit() const {
return limit_;
}
Json param(const String& name) const {
return test_param[name];
}
int ncores() const {
return ncores_;
}
double now() const {
return ::now();
}
int ruscale_partsz() const {
return (140 * 1000000) / 16;
}
int ruscale_init_part_no() const {
return ti_->index();
}
long nseqkeys() const {
return 16 * ruscale_partsz();
}
void get(long ikey);
bool get_sync(const Str &key);
bool get_sync(const Str &key, Str &value);
bool get_sync(long ikey) {
quick_istr key(ikey);
return get_sync(key.string());
}
bool get_sync_key16(long ikey) {
quick_istr key(ikey, 16);
return get_sync(key.string());
}
void get_check(const Str &key, const Str &expected);
void get_check(const char *key, const char *expected) {
get_check(Str(key), Str(expected));
}
void get_check(long ikey, long iexpected) {
quick_istr key(ikey), expected(iexpected);
get_check(key.string(), expected.string());
}
void get_check(const Str &key, long iexpected) {
quick_istr expected(iexpected);
get_check(key, expected.string());
}
void get_check_key8(long ikey, long iexpected) {
quick_istr key(ikey, 8), expected(iexpected);
get_check(key.string(), expected.string());
}
void get_col_check(const Str &key, int col, const Str &value);
void get_col_check(long ikey, int col, long ivalue) {
quick_istr key(ikey), value(ivalue);
get_col_check(key.string(), col, value.string());
}
void get_col_check_key10(long ikey, int col, long ivalue) {
quick_istr key(ikey, 10), value(ivalue);
get_col_check(key.string(), col, value.string());
}
//void many_get_check(int nk, long ikey[], long iexpected[]);
void scan_sync(const Str &firstkey, int n,
std::vector<Str> &keys, std::vector<Str> &values);
void rscan_sync(const Str &firstkey, int n,
std::vector<Str> &keys, std::vector<Str> &values);
void put(const Str &key, const Str &value);
void put(const char *key, const char *value) {
put(Str(key), Str(value));
}
void put(long ikey, long ivalue) {
quick_istr key(ikey), value(ivalue);
put(key.string(), value.string());
}
void put(const Str &key, long ivalue) {
quick_istr value(ivalue);
put(key, value.string());
}
void put_key8(long ikey, long ivalue) {
quick_istr key(ikey, 8), value(ivalue);
put(key.string(), value.string());
}
void put_key16(long ikey, long ivalue) {
quick_istr key(ikey, 16), value(ivalue);
put(key.string(), value.string());
}
void put_col(const Str &key, int col, const Str &value);
void put_col(long ikey, int col, long ivalue) {
quick_istr key(ikey), value(ivalue);
put_col(key.string(), col, value.string());
}
void put_col_key10(long ikey, int col, long ivalue) {
quick_istr key(ikey, 10), value(ivalue);
put_col(key.string(), col, value.string());
}
void remove(const Str &key);
void remove(long ikey) {
quick_istr key(ikey);
remove(key.string());
}
void remove_key8(long ikey) {
quick_istr key(ikey, 8);
remove(key.string());
}
void remove_key16(long ikey) {
quick_istr key(ikey, 16);
remove(key.string());
}
bool remove_sync(const Str &key);
bool remove_sync(long ikey) {
quick_istr key(ikey);
return remove_sync(key.string());
}
void puts_done() {
}
void wait_all() {
}
void rcu_quiesce() {
uint64_t e = timestamp() >> 16;
if (e != globalepoch)
globalepoch = e;
ti_->rcu_quiesce();
}
String make_message(lcdf::StringAccum &sa) const;
void notice(const char *fmt, ...);
void fail(const char *fmt, ...);
const Json& report(const Json& x) {
return report_.merge(x);
}
void finish() {
Json counters;
for (int i = 0; i < tc_max; ++i)
if (uint64_t c = ti_->counter(threadcounter(i)))
counters.set(threadcounter_names[i], c);
if (counters)
report_.set("counters", counters);
if (!quiet)
fprintf(stderr, "%d: %s\n", ti_->index(), report_.unparse().c_str());
}
T *table_;
threadinfo *ti_;
query<row_type> q_[1];
kvrandom_lcg_nr rand;
uint64_t limit_;
Json report_;
int ncores_;
kvout *kvo_;
private:
void output_scan(const Json& req, std::vector<Str>& keys, std::vector<Str>& values) const;
};
static volatile int kvtest_printing;
template <typename T> inline void kvtest_print(const T &table, FILE *f, int indent, threadinfo *ti) {
// only print out the tree from the first failure
while (!bool_cmpxchg((int *) &kvtest_printing, 0, ti->index() + 1))
/* spin */;
table.print(f, indent);
}
template <typename T> inline void kvtest_json_stats(T& table, Json& j, threadinfo& ti) {
table.json_stats(j, ti);
}
template <typename T>
void kvtest_client<T>::get(long ikey) {
quick_istr key(ikey);
Str val;
(void) q_[0].run_get1(table_->table(), key.string(), 0, val, *ti_);
}
template <typename T>
bool kvtest_client<T>::get_sync(const Str& key) {
Str val;
return q_[0].run_get1(table_->table(), key, 0, val, *ti_);
}
template <typename T>
bool kvtest_client<T>::get_sync(const Str &key, Str &value) {
return q_[0].run_get1(table_->table(), key, 0, value, *ti_);
}
template <typename T>
void kvtest_client<T>::get_check(const Str &key, const Str &expected) {
Str val;
if (!q_[0].run_get1(table_->table(), key, 0, val, *ti_))
fail("get(%.*s) failed (expected %.*s)\n", key.len, key.s,
expected.len, expected.s);
else if (expected != val)
fail("get(%.*s) returned unexpected value %.*s (expected %.*s)\n",
key.len, key.s, std::min(val.len, 40), val.s,
expected.len, expected.s);
}
template <typename T>
void kvtest_client<T>::get_col_check(const Str &key, int col,
const Str &expected) {
Str val;
if (!q_[0].run_get1(table_->table(), key, col, val, *ti_))
fail("get.%d(%.*s) failed (expected %.*s)\n",
col, key.len, key.s, expected.len, expected.s);
else if (expected != val)
fail("get.%d(%.*s) returned unexpected value %.*s (expected %.*s)\n",
col, key.len, key.s, std::min(val.len, 40), val.s,
expected.len, expected.s);
}
/*template <typename T>
void kvtest_client<T>::many_get_check(int nk, long ikey[], long iexpected[]) {
std::vector<quick_istr> ka(2*nk, quick_istr());
for(int i = 0; i < nk; i++){
ka[i].set(ikey[i]);
ka[i+nk].set(iexpected[i]);
q_[i].begin_get1(ka[i].string());
}
table_->many_get(q_, nk, *ti_);
for(int i = 0; i < nk; i++){
Str val = q_[i].get1_value();
if (ka[i+nk] != val){
printf("get(%ld) returned unexpected value %.*s (expected %ld)\n",
ikey[i], std::min(val.len, 40), val.s, iexpected[i]);
exit(1);
}
}
}*/
template <typename T>
void kvtest_client<T>::scan_sync(const Str &firstkey, int n,
std::vector<Str> &keys,
std::vector<Str> &values) {
Json req = Json::array(0, 0, firstkey, n);
q_[0].run_scan(table_->table(), req, *ti_);
output_scan(req, keys, values);
}
template <typename T>
void kvtest_client<T>::rscan_sync(const Str &firstkey, int n,
std::vector<Str> &keys,
std::vector<Str> &values) {
Json req = Json::array(0, 0, firstkey, n);
q_[0].run_rscan(table_->table(), req, *ti_);
output_scan(req, keys, values);
}
template <typename T>
void kvtest_client<T>::output_scan(const Json& req, std::vector<Str>& keys,
std::vector<Str>& values) const {
keys.clear();
values.clear();
for (int i = 2; i != req.size(); i += 2) {
keys.push_back(req[i].as_s());
values.push_back(req[i + 1].as_s());
}
}
template <typename T>
void kvtest_client<T>::put(const Str &key, const Str &value) {
q_[0].run_replace(table_->table(), key, value, *ti_);
}
template <typename T>
void kvtest_client<T>::put_col(const Str &key, int col, const Str &value) {
#if !MASSTREE_ROW_TYPE_STR
if (!kvo_)
kvo_ = new_kvout(-1, 2048);
Json x[2] = {Json(col), Json(String::make_stable(value))};
q_[0].run_put(table_->table(), key, &x[0], &x[2], *ti_);
#else
(void) key, (void) col, (void) value;
assert(0);
#endif
}
template <typename T> inline bool kvtest_remove(kvtest_client<T> &client, const Str &key) {
return client.q_[0].run_remove(client.table_->table(), key, *client.ti_);
}
template <typename T>
void kvtest_client<T>::remove(const Str &key) {
(void) kvtest_remove(*this, key);
}
template <typename T>
bool kvtest_client<T>::remove_sync(const Str &key) {
return kvtest_remove(*this, key);
}
template <typename T>
String kvtest_client<T>::make_message(lcdf::StringAccum &sa) const {
const char *begin = sa.begin();
while (begin != sa.end() && isspace((unsigned char) *begin))
++begin;
String s = String(begin, sa.end());
if (!s.empty() && s.back() != '\n')
s += '\n';
return s;
}
template <typename T>
void kvtest_client<T>::notice(const char *fmt, ...) {
va_list val;
va_start(val, fmt);
String m = make_message(lcdf::StringAccum().vsnprintf(500, fmt, val));
va_end(val);
if (m && !quiet)
fprintf(stderr, "%d: %s", ti_->index(), m.c_str());
}
template <typename T>
void kvtest_client<T>::fail(const char *fmt, ...) {
static nodeversion failing_lock(false);
static nodeversion fail_message_lock(false);
static String fail_message;
va_list val;
va_start(val, fmt);
String m = make_message(lcdf::StringAccum().vsnprintf(500, fmt, val));
va_end(val);
if (!m)
m = "unknown failure";
fail_message_lock.lock();
if (fail_message != m) {
fail_message = m;
fprintf(stderr, "%d: %s", ti_->index(), m.c_str());
}
fail_message_lock.unlock();
failing_lock.lock();
fprintf(stdout, "%d: %s", ti_->index(), m.c_str());
kvtest_print(*table_, stdout, 0, ti_);
always_assert(0);
}
static const char *current_test_name;
static int current_trial;
static FILE *test_output_file;
static pthread_mutex_t subtest_mutex;
static pthread_cond_t subtest_cond;
#define TESTRUNNER_CLIENT_TYPE kvtest_client<Masstree::default_table>&
#include "testrunner.hh"
MAKE_TESTRUNNER(rw1, kvtest_rw1(client));
// MAKE_TESTRUNNER(palma, kvtest_palma(client));
// MAKE_TESTRUNNER(palmb, kvtest_palmb(client));
MAKE_TESTRUNNER(rw1fixed, kvtest_rw1fixed(client));
MAKE_TESTRUNNER(rw1long, kvtest_rw1long(client));
MAKE_TESTRUNNER(rw1puts, kvtest_rw1puts(client));
MAKE_TESTRUNNER(rw2, kvtest_rw2(client));
MAKE_TESTRUNNER(rw2fixed, kvtest_rw2fixed(client));
MAKE_TESTRUNNER(rw2g90, kvtest_rw2g90(client));
MAKE_TESTRUNNER(rw2fixedg90, kvtest_rw2fixedg90(client));
MAKE_TESTRUNNER(rw2g98, kvtest_rw2g98(client));
MAKE_TESTRUNNER(rw2fixedg98, kvtest_rw2fixedg98(client));
MAKE_TESTRUNNER(rw3, kvtest_rw3(client));
MAKE_TESTRUNNER(rw4, kvtest_rw4(client));
MAKE_TESTRUNNER(rw4fixed, kvtest_rw4fixed(client));
MAKE_TESTRUNNER(wd1, kvtest_wd1(10000000, 1, client));
MAKE_TESTRUNNER(wd1m1, kvtest_wd1(100000000, 1, client));
MAKE_TESTRUNNER(wd1m2, kvtest_wd1(1000000000, 4, client));
MAKE_TESTRUNNER(same, kvtest_same(client));
MAKE_TESTRUNNER(rwsmall24, kvtest_rwsmall24(client));
MAKE_TESTRUNNER(rwsep24, kvtest_rwsep24(client));
MAKE_TESTRUNNER(wscale, kvtest_wscale(client));
MAKE_TESTRUNNER(ruscale_init, kvtest_ruscale_init(client));
MAKE_TESTRUNNER(rscale, if (client.ti_->index() < ::rscale_ncores) kvtest_rscale(client));
MAKE_TESTRUNNER(uscale, kvtest_uscale(client));
MAKE_TESTRUNNER(bdb, kvtest_bdb(client));
MAKE_TESTRUNNER(wcol1, kvtest_wcol1at(client, client.id() % 24, kvtest_first_seed + client.id() % 48, 5000000));
MAKE_TESTRUNNER(rcol1, kvtest_rcol1at(client, client.id() % 24, kvtest_first_seed + client.id() % 48, 5000000));
MAKE_TESTRUNNER(wcol1o1, kvtest_wcol1at(client, (client.id() + 1) % 24, kvtest_first_seed + client.id() % 48, 5000000));
MAKE_TESTRUNNER(rcol1o1, kvtest_rcol1at(client, (client.id() + 1) % 24, kvtest_first_seed + client.id() % 48, 5000000));
MAKE_TESTRUNNER(wcol1o2, kvtest_wcol1at(client, (client.id() + 2) % 24, kvtest_first_seed + client.id() % 48, 5000000));
MAKE_TESTRUNNER(rcol1o2, kvtest_rcol1at(client, (client.id() + 2) % 24, kvtest_first_seed + client.id() % 48, 5000000));
MAKE_TESTRUNNER(scan1, kvtest_scan1(client, 0));
MAKE_TESTRUNNER(scan1q80, kvtest_scan1(client, 0.8));
MAKE_TESTRUNNER(rscan1, kvtest_rscan1(client, 0));
MAKE_TESTRUNNER(rscan1q80, kvtest_rscan1(client, 0.8));
MAKE_TESTRUNNER(splitremove1, kvtest_splitremove1(client));
MAKE_TESTRUNNER(url, kvtest_url(client));
enum {
test_thread_initialize = 1,
test_thread_destroy = 2,
test_thread_stats = 3
};
template <typename T>
struct test_thread {
test_thread(threadinfo* ti) {
client_.set_table(table_, ti);
client_.ti_->rcu_start();
}
~test_thread() {
client_.ti_->rcu_stop();
}
static void setup(threadinfo* ti, int action) {
if (action == test_thread_initialize) {
assert(!table_);
table_ = new T;
table_->initialize(*ti);
} else if (action == test_thread_destroy) {
assert(table_);
delete table_;
table_ = 0;
} else if (action == test_thread_stats) {
assert(table_);
table_->stats(test_output_file);
}
}
static void* go(threadinfo* ti) {
assert(table_);
#if __linux__
if (pinthreads) {
cpu_set_t cs;
CPU_ZERO(&cs);
CPU_SET(cores[ti->index()], &cs);
int r = sched_setaffinity(0, sizeof(cs), &cs);
always_assert(r == 0);
}
#else
always_assert(!pinthreads && "pinthreads not supported\n");
#endif
test_thread<T> tt(ti);
if (fetch_and_add(&active_threads_, 1) == 0)
tt.ready_timeouts();
String test = ::current_test_name;
int subtestno = 0;
for (int pos = 0; pos < test.length(); ) {
int comma = test.find_left(',', pos);
comma = (comma < 0 ? test.length() : comma);
String subtest = test.substr(pos, comma - pos), tname;
testrunner* tr = testrunner::find(subtest);
tname = (subtest == test ? subtest : test + String("@") + String(subtestno));
tt.client_.reset(tname, ::current_trial);
if (tr)
tr->run(tt.client_);
else
tt.client_.fail("unknown test %s", subtest.c_str());
if (comma == test.length())
break;
pthread_mutex_lock(&subtest_mutex);
if (fetch_and_add(&active_threads_, -1) == 1) {
pthread_cond_broadcast(&subtest_cond);
tt.ready_timeouts();
} else
pthread_cond_wait(&subtest_cond, &subtest_mutex);
fprintf(test_output_file, "%s\n", tt.client_.report_.unparse().c_str());
pthread_mutex_unlock(&subtest_mutex);
fetch_and_add(&active_threads_, 1);
pos = comma + 1;
++subtestno;
}
int at = fetch_and_add(&active_threads_, -1);
if (at == 1 && print_table)
kvtest_print(*table_, stdout, 0, tt.client_.ti_);
if (at == 1 && json_stats) {
Json j;
kvtest_json_stats(*table_, j, *tt.client_.ti_);
if (j) {
fprintf(stderr, "%s\n", j.unparse(Json::indent_depth(1).tab_width(2).newline_terminator(true)).c_str());
tt.client_.report_.merge(j);
}
}
fprintf(test_output_file, "%s\n", tt.client_.report_.unparse().c_str());
return 0;
}
void ready_timeouts() {
for (size_t i = 0; i < arraysize(timeout); ++i)
timeout[i] = false;
if (!lazy_timer && duration[0])
xalarm(duration[0]);
}
static T *table_;
static unsigned active_threads_;
kvtest_client<T> client_;
};
template <typename T> T *test_thread<T>::table_;
template <typename T> unsigned test_thread<T>::active_threads_;
typedef test_thread<Masstree::default_table> masstree_test_thread;
static struct {
const char *treetype;
void* (*go_func)(threadinfo*);
void (*setup_func)(threadinfo*, int);
} test_thread_map[] = {
{ "masstree", masstree_test_thread::go, masstree_test_thread::setup },
{ "mass", masstree_test_thread::go, masstree_test_thread::setup },
{ "mbtree", masstree_test_thread::go, masstree_test_thread::setup },
{ "mb", masstree_test_thread::go, masstree_test_thread::setup },
{ "m", masstree_test_thread::go, masstree_test_thread::setup }
};
void runtest(int nthreads, void* (*func)(threadinfo*)) {
std::vector<threadinfo *> tis;
for (int i = 0; i < nthreads; ++i)
tis.push_back(threadinfo::make(threadinfo::TI_PROCESS, i));
signal(SIGALRM, test_timeout);
for (int i = 0; i < nthreads; ++i) {
int r = tis[i]->run(func);
always_assert(r == 0);
}
for (int i = 0; i < nthreads; ++i)
pthread_join(tis[i]->threadid(), 0);
}
static const char * const kvstats_name[] = {
"ops_per_sec", "puts_per_sec", "gets_per_sec", "scans_per_sec"
};
static Json experiment_stats;
void *stat_collector(void *arg) {
int p = (int) (intptr_t) arg;
FILE *f = fdopen(p, "r");
char buf[8192];
while (fgets(buf, sizeof(buf), f)) {
Json result = Json::parse(buf);
if (result && result["table"] && result["test"]) {
String key = result["test"].to_s() + "/" + result["table"].to_s()
+ "/" + result["trial"].to_s();
Json &thisex = experiment_stats.get_insert(key);
thisex[result["thread"].to_i()] = result;
} else
fprintf(stderr, "%s\n", buf);
}
fclose(f);
return 0;
}
/* main loop */
enum { clp_val_normalize = Clp_ValFirstUser, clp_val_suffixdouble };
enum { opt_pin = 1, opt_port, opt_duration,
opt_test, opt_test_name, opt_threads, opt_trials, opt_quiet, opt_print,
opt_normalize, opt_limit, opt_notebook, opt_compare, opt_no_run,
opt_lazy_timer, opt_gid, opt_tree_stats, opt_rscale_ncores, opt_cores,
opt_stats, opt_help };
static const Clp_Option options[] = {
{ "pin", 'p', opt_pin, 0, Clp_Negate },
{ "port", 0, opt_port, Clp_ValInt, 0 },
{ "duration", 'd', opt_duration, Clp_ValDouble, 0 },
{ "lazy-timer", 0, opt_lazy_timer, 0, 0 },
{ "limit", 'l', opt_limit, clp_val_suffixdouble, 0 },
{ "normalize", 0, opt_normalize, clp_val_normalize, Clp_Negate },
{ "test", 0, opt_test, Clp_ValString, 0 },
{ "rscale_ncores", 'r', opt_rscale_ncores, Clp_ValInt, 0 },
{ "test-rw1", 0, opt_test_name, 0, 0 },
{ "test-rw2", 0, opt_test_name, 0, 0 },
{ "test-rw3", 0, opt_test_name, 0, 0 },
{ "test-rw4", 0, opt_test_name, 0, 0 },
{ "test-rd1", 0, opt_test_name, 0, 0 },
{ "threads", 'j', opt_threads, Clp_ValInt, 0 },
{ "trials", 'T', opt_trials, Clp_ValInt, 0 },
{ "quiet", 'q', opt_quiet, 0, Clp_Negate },
{ "print", 0, opt_print, 0, Clp_Negate },
{ "notebook", 'b', opt_notebook, Clp_ValString, Clp_Negate },
{ "gid", 'g', opt_gid, Clp_ValString, 0 },
{ "tree-stats", 0, opt_tree_stats, 0, 0 },
{ "stats", 0, opt_stats, 0, 0 },
{ "compare", 'c', opt_compare, Clp_ValString, 0 },
{ "cores", 0, opt_cores, Clp_ValString, 0 },
{ "no-run", 'n', opt_no_run, 0, 0 },
{ "help", 0, opt_help, 0, 0 }
};
static void help() {
printf("Masstree-beta mttest\n\
Usage: mttest [-jTHREADS] [OPTIONS] [PARAM=VALUE...] TEST...\n\
mttest -n -c TESTNAME...\n\
\n\
Options:\n\
-j, --threads=THREADS Run with THREADS threads (default %d).\n\
-p, --pin Pin each thread to its own core.\n\
-T, --trials=TRIALS Run each test TRIALS times.\n\
-q, --quiet Do not generate verbose and Gnuplot output.\n\
-l, --limit=LIMIT Limit relevant tests to LIMIT operations.\n\
-d, --duration=TIME Limit relevant tests to TIME seconds.\n\
-b, --notebook=FILE Record JSON results in FILE (notebook-mttest.json).\n\
--no-notebook Do not record JSON results.\n\
\n\
-n, --no-run Do not run new tests.\n\
-c, --compare=EXPERIMENT Generated plot compares to EXPERIMENT.\n\
\n\
Known TESTs:\n",
(int) sysconf(_SC_NPROCESSORS_ONLN));
testrunner_base::print_names(stdout, 5);
printf("Or say TEST1,TEST2,... to run several tests in sequence\n\
on the same tree.\n");
exit(0);
}
static void run_one_test(int trial, const char *treetype, const char *test,
const int *collectorpipe, int nruns);
enum { normtype_none, normtype_pertest, normtype_firsttest };
static void print_gnuplot(FILE *f, const char * const *types_begin, const char * const *types_end, std::vector<String> &comparisons, int normalizetype);
static void update_labnotebook(String notebook);
#if HAVE_EXECINFO_H
static const int abortable_signals[] = {
SIGSEGV, SIGBUS, SIGILL, SIGABRT, SIGFPE
};
static void abortable_signal_handler(int) {
// reset signals so if a signal recurs, we exit
for (const int* it = abortable_signals;
it != abortable_signals + arraysize(abortable_signals); ++it)
signal(*it, SIG_DFL);
// dump backtrace to standard error
void* return_addrs[50];
int n = backtrace(return_addrs, arraysize(return_addrs));
backtrace_symbols_fd(return_addrs, n, STDERR_FILENO);
// re-abort
abort();
}
#endif
int
main(int argc, char *argv[])
{
threadcounter_names[(int) tc_root_retry] = "root_retry";
threadcounter_names[(int) tc_internode_retry] = "internode_retry";
threadcounter_names[(int) tc_leaf_retry] = "leaf_retry";
threadcounter_names[(int) tc_leaf_walk] = "leaf_walk";
threadcounter_names[(int) tc_stable_internode_insert] = "stable_internode_insert";
threadcounter_names[(int) tc_stable_internode_split] = "stable_internode_split";
threadcounter_names[(int) tc_stable_leaf_insert] = "stable_leaf_insert";
threadcounter_names[(int) tc_stable_leaf_split] = "stable_leaf_split";
threadcounter_names[(int) tc_internode_lock] = "internode_lock_retry";
threadcounter_names[(int) tc_leaf_lock] = "leaf_lock_retry";
int ret, ntrials = 1, normtype = normtype_pertest, firstcore = -1, corestride = 1;
std::vector<const char *> tests, treetypes;
std::vector<String> comparisons;
const char *notebook = "notebook-mttest.json";
tcpthreads = udpthreads = sysconf(_SC_NPROCESSORS_ONLN);
Clp_Parser *clp = Clp_NewParser(argc, argv, (int) arraysize(options), options);
Clp_AddStringListType(clp, clp_val_normalize, 0,
"none", (int) normtype_none,
"pertest", (int) normtype_pertest,
"test", (int) normtype_pertest,
"firsttest", (int) normtype_firsttest,
(const char *) 0);
Clp_AddType(clp, clp_val_suffixdouble, Clp_DisallowOptions, clp_parse_suffixdouble, 0);
int opt;
while ((opt = Clp_Next(clp)) != Clp_Done) {
switch (opt) {
case opt_pin:
pinthreads = !clp->negated;
break;
case opt_threads:
tcpthreads = udpthreads = clp->val.i;
break;
case opt_trials:
ntrials = clp->val.i;
break;
case opt_quiet:
quiet = !clp->negated;
break;
case opt_print:
print_table = !clp->negated;
break;
case opt_rscale_ncores:
rscale_ncores = clp->val.i;
break;
case opt_port:
port = clp->val.i;
break;
case opt_duration:
duration[0] = clp->val.d;
break;
case opt_lazy_timer:
lazy_timer = true;
break;
case opt_limit:
test_limit = uint64_t(clp->val.d);
break;
case opt_test:
tests.push_back(clp->vstr);
break;
case opt_test_name:
tests.push_back(clp->option->long_name + 5);
break;
case opt_normalize:
normtype = clp->negated ? normtype_none : clp->val.i;
break;
case opt_gid:
gid = clp->vstr;
break;
case opt_tree_stats:
tree_stats = true;
break;
case opt_stats:
json_stats = true;
break;
case opt_notebook:
if (clp->negated)
notebook = 0;
else if (clp->have_val)
notebook = clp->vstr;
else
notebook = "notebook-mttest.json";
break;
case opt_compare:
comparisons.push_back(clp->vstr);
break;
case opt_no_run:
ntrials = 0;
break;
case opt_cores:
if (firstcore >= 0 || cores.size() > 0) {
Clp_OptionError(clp, "%<%O%> already given");
exit(EXIT_FAILURE);
} else {
const char *plus = strchr(clp->vstr, '+');
Json ij = Json::parse(clp->vstr),
aj = Json::parse(String("[") + String(clp->vstr) + String("]")),
pj1 = Json::parse(plus ? String(clp->vstr, plus) : "x"),
pj2 = Json::parse(plus ? String(plus + 1) : "x");
for (int i = 0; aj && i < aj.size(); ++i)
if (!aj[i].is_int() || aj[i].to_i() < 0)
aj = Json();
if (ij && ij.is_int() && ij.to_i() >= 0)
firstcore = ij.to_i(), corestride = 1;
else if (pj1 && pj2 && pj1.is_int() && pj1.to_i() >= 0 && pj2.is_int())
firstcore = pj1.to_i(), corestride = pj2.to_i();
else if (aj) {
for (int i = 0; i < aj.size(); ++i)
cores.push_back(aj[i].to_i());
} else {
Clp_OptionError(clp, "bad %<%O%>, expected %<CORE1%>, %<CORE1+STRIDE%>, or %<CORE1,CORE2,...%>");
exit(EXIT_FAILURE);
}
}
break;
case opt_help:
help();
break;
case Clp_NotOption:
// check for parameter setting
if (const char* eqchr = strchr(clp->vstr, '=')) {
Json& param = test_param[String(clp->vstr, eqchr)];
const char* end_vstr = clp->vstr + strlen(clp->vstr);
if (param.assign_parse(eqchr + 1, end_vstr))
/* OK, param was valid JSON */;
else if (eqchr[1] != 0)
param = String(eqchr + 1, end_vstr);
else
param = Json();
} else {
// otherwise, tree or test
bool is_treetype = false;
for (int i = 0; i < (int) arraysize(test_thread_map) && !is_treetype; ++i)
is_treetype = (strcmp(test_thread_map[i].treetype, clp->vstr) == 0);
(is_treetype ? treetypes.push_back(clp->vstr) : tests.push_back(clp->vstr));
}
break;
default:
fprintf(stderr, "Usage: mttest [-jN] TESTS...\n\
Try 'mttest --help' for options.\n");
exit(EXIT_FAILURE);
}
}
Clp_DeleteParser(clp);
if (firstcore < 0)
firstcore = cores.size() ? cores.back() + 1 : 0;
for (; (int) cores.size() < udpthreads; firstcore += corestride)
cores.push_back(firstcore);
#if PMC_ENABLED
always_assert(pinthreads && "Using performance counter requires pinning threads to cores!");
#endif
#if MEMSTATS && HAVE_NUMA_H && HAVE_LIBNUMA
if (numa_available() != -1)
for (int i = 0; i <= numa_max_node(); i++) {
numa.push_back(mttest_numainfo());
numa.back().size = numa_node_size64(i, &numa.back().free);
}
#endif
#if HAVE_EXECINFO_H
for (const int* it = abortable_signals;
it != abortable_signals + arraysize(abortable_signals); ++it)
signal(*it, abortable_signal_handler);
#endif
if (treetypes.empty())
treetypes.push_back("m");
if (tests.empty())
tests.push_back("rw1");
// arrange for a per-thread threadinfo pointer
ret = pthread_key_create(&threadinfo::key, 0);
always_assert(ret == 0);
pthread_mutex_init(&subtest_mutex, 0);
pthread_cond_init(&subtest_cond, 0);
// pipe for them to write back to us
int p[2];
ret = pipe(p);
always_assert(ret == 0);
test_output_file = fdopen(p[1], "w");
pthread_t collector;
ret = pthread_create(&collector, 0, stat_collector, (void *) (intptr_t) p[0]);
always_assert(ret == 0);
initial_timestamp = timestamp();
// run tests
int nruns = ntrials * (int) tests.size() * (int) treetypes.size();
std::vector<int> runlist(nruns, 0);
for (int i = 0; i < nruns; ++i)
runlist[i] = i;
for (int counter = 0; counter < nruns; ++counter) {
int x = random() % runlist.size();
int run = runlist[x];
runlist[x] = runlist.back();
runlist.pop_back();
int trial = run % ntrials;
run /= ntrials;
int t = run % tests.size();
run /= tests.size();
int tt = run;
fprintf(stderr, "%d/%u %s/%s%s", counter + 1, (int) (ntrials * tests.size() * treetypes.size()),
tests[t], treetypes[tt], quiet ? " " : "\n");
run_one_test(trial, treetypes[tt], tests[t], p, nruns);
struct timeval delay;