int
main(int argc, char **argv) {
const char * mode = NULL;
SHF_ASSERT(NULL != setlocale(LC_NUMERIC, ""), "setlocale(): %u: ", errno);
if (argc >= 2) {
SHF_ASSERT((0 == memcmp(argv[1], SHF_CONST_STR_AND_SIZE("c2js")))
|| (0 == memcmp(argv[1], SHF_CONST_STR_AND_SIZE("c2c" )))
|| (0 == memcmp(argv[1], SHF_CONST_STR_AND_SIZE("4c" ))), "ERROR: please supply an argument; c2js, c2py, c2c, or 4c; got: '%s'", argv[1]);
}
if (argc > 1 && 0 == memcmp(argv[1], SHF_CONST_STR_AND_SIZE("c2js"))) { plan_tests( 6); mode = strdup(argv[1]); }
else if (argc > 1 && 0 == memcmp(argv[1], SHF_CONST_STR_AND_SIZE("c2py"))) { plan_tests( 5); mode = strdup(argv[1]); }
else if (argc > 1 && 0 == memcmp(argv[1], SHF_CONST_STR_AND_SIZE("c2c" ))) { plan_tests( 9); mode = strdup(argv[1]); }
else if (argc > 1 && 0 == memcmp(argv[1], SHF_CONST_STR_AND_SIZE("4c" ))) { plan_tests( 7); mode = strdup(argv[1]); }
else { plan_tests(10); mode = "c2c" ; } /* default if no arguments */
pid_t pid = getpid();
SHF_DEBUG("pid %u started; mode is '%s'\n", pid, mode);
if (0 == memcmp(mode, SHF_CONST_STR_AND_SIZE("c2js"))) { /* just for fun, test C to C call speed; useful for comparing to V8 to C call speed */
double test_start_time = shf_get_time_in_seconds();
double test_iterations = 0;
do {
test_iterations += test_dummy();
} while (test_iterations < 10000000);
double test_elapsed_time = shf_get_time_in_seconds() - test_start_time;
ok(1, " c2*: called expected number to dummy function // estimate %'.0f calls per second", test_iterations / test_elapsed_time);
}
char test_shf_name[256];
char test_shf_folder[] = "/dev/shm";
SHF_SNPRINTF(1, test_shf_name, "test-%05u-ipc-queue", pid);
SHF * shf;
uint32_t uid;
uint32_t test_keys = 100000;
if (0 == memcmp(mode, SHF_CONST_STR_AND_SIZE("4c"))) {
SHF_ASSERT(argc == 3, "ERROR: please supply arguments; 4c <name of shf>");
shf_debug_verbosity_less();
shf_init ();
shf = shf_attach_existing (test_shf_folder, argv[2]); ok(NULL != shf, " 4c: shf_attach_existing() works for existing file as expected");
shf_log_attach_existing (shf );
shf_debug_verbosity_more(); SHF_DEBUG("'4c' mode; behaving as client\n"); shf_debug_verbosity_less();
char * test_q_items_addr = shf_q_get(shf); SHF_UNUSE(test_q_items_addr); /* todo: this test doesn't actually manipulate the item itself */
uint32_t test_qid_free = shf_q_get_name(shf, SHF_CONST_STR_AND_SIZE("qid-free"));
uint32_t test_qid_a2b = shf_q_get_name(shf, SHF_CONST_STR_AND_SIZE("qid-a2b" ));
uint32_t test_qid_b2a = shf_q_get_name(shf, SHF_CONST_STR_AND_SIZE("qid-b2a" ));
ok( test_qid_free != SHF_QID_NONE, " 4c: shf_q_get_name('qid-free') returned qid as expected");
ok( test_qid_a2b != SHF_QID_NONE, " 4c: shf_q_get_name('qid-a2b' ) returned qid as expected");
ok( test_qid_b2a != SHF_QID_NONE, " 4c: shf_q_get_name('qid-b2a' ) returned qid as expected");
shf_race_start(shf, SHF_CONST_STR_AND_SIZE("test-q-race-line"), 2);
shf_debug_verbosity_more(); SHF_DEBUG("testing process b IPC queue a2b --> b2a speed\n"); shf_debug_verbosity_less();
{
uint32_t test_pull_items = 0;
double test_start_time = shf_get_time_in_seconds();
shf_qiid = SHF_QIID_NONE;
while(1) {
while(SHF_QIID_NONE != shf_q_push_head_pull_tail(shf, test_qid_b2a, shf_qiid, test_qid_a2b)) {
test_pull_items ++;
}
if (test_pull_items >= 1000000) { goto FINISH_LINE_4C; }
}
FINISH_LINE_4C:;
double test_elapsed_time = shf_get_time_in_seconds() - test_start_time;
ok(1, " 4c: moved expected number of new queue items // estimate %'.0f q items per second with contention", test_pull_items / test_elapsed_time);
}
{
shf_debug_verbosity_more(); SHF_DEBUG("testing process b IPC lock speed\n"); shf_debug_verbosity_less();
SHF_MAKE_HASH ("lock");
SHF_LOCK * lock = shf_get_key_val_addr(shf );
ok( lock != NULL , " 4c: got lock value address as expected");
shf_race_start(shf, SHF_CONST_STR_AND_SIZE("test-lock-race-line"), 2);
double test_start_time = shf_get_time_in_seconds();
double test_lock_iterations = 0;
do {
SHF_LOCK_WRITER(lock);
SHF_UNLOCK_WRITER(lock);
test_lock_iterations ++;
} while (test_lock_iterations < 2000000);
double test_elapsed_time = shf_get_time_in_seconds() - test_start_time;
ok(1, " 4c: rw lock expected number of times // estimate %'.0f locks per second; with contention", test_lock_iterations / test_elapsed_time);
}
shf_debug_verbosity_more(); SHF_DEBUG("ending child\n"); shf_debug_verbosity_less();
shf_detach(shf);
goto EARLY_OUT;
} /* 4c */
shf_debug_verbosity_less();
shf_init ();
shf_set_data_need_factor(1);
shf = shf_attach (test_shf_folder, test_shf_name, 1 /* delete upon process exit */); ok(NULL != shf, " c2*: shf_attach() works for non-existing file as expected");
shf_log_thread_new (shf, 0 /* use default log buffer size */, STDOUT_FILENO);
{
shf_race_init(shf, SHF_CONST_STR_AND_SIZE("test-q-race-line" ));
shf_race_init(shf, SHF_CONST_STR_AND_SIZE("test-lock-race-line"));
if (0 == memcmp(mode, SHF_CONST_STR_AND_SIZE("c2c"))) {
SHF_MAKE_HASH ( "lock");
uid = shf_put_key_val(shf, NULL, sizeof(SHF_LOCK));
ok(uid != SHF_UID_NONE , " c2*: put lock in value as expected");
}
}
uint32_t test_qs = 3;
uint32_t test_q_items = 100000;
uint32_t test_q_item_size = 4096;
ok( NULL != shf_q_new (shf, test_qs, test_q_items, test_q_item_size, 1000), " c2*: shf_q_new() returned as expected");
uint32_t test_qid_free = shf_q_new_name(shf, SHF_CONST_STR_AND_SIZE("qid-free") );
uint32_t test_qid_a2b = shf_q_new_name(shf, SHF_CONST_STR_AND_SIZE("qid-a2b" ) );
uint32_t test_qid_b2a = shf_q_new_name(shf, SHF_CONST_STR_AND_SIZE("qid-b2a" ) );
{
double test_start_time = shf_get_time_in_seconds();
uint32_t test_pull_items = 0;
while(SHF_QIID_NONE != shf_q_pull_tail(shf, test_qid_free )) {
shf_q_push_head(shf, test_qid_a2b , shf_qiid);
test_pull_items ++;
}
double test_elapsed_time = shf_get_time_in_seconds() - test_start_time;
ok(test_q_items == test_pull_items, " c2*: moved expected number of new queue items // estimate %'.0f q items per second without contention", test_keys / test_elapsed_time);
}
pid_t child_pid = 0;
if (0 == memcmp(mode, SHF_CONST_STR_AND_SIZE("c2js"))) { child_pid = shf_exec_child(shf_backticks("which node || which nodejs"), shf_backticks("which node || which nodejs"), "TestIpcQueue.js", test_shf_name); }
else if (0 == memcmp(mode, SHF_CONST_STR_AND_SIZE("c2py"))) { child_pid = shf_exec_child(shf_backticks("which python" ), "python" , "TestIpcQueue.py", test_shf_name); }
else if (0 == memcmp(mode, SHF_CONST_STR_AND_SIZE("c2c" ))) { child_pid = shf_exec_child(shf_backticks("which test.q.shf.t" ), "test.q.shf.t" , "4c" , test_shf_name); }
else { SHF_ASSERT(0, "ERROR: should never get here!"); }
shf_race_start(shf, SHF_CONST_STR_AND_SIZE("test-q-race-line"), 2);
shf_debug_verbosity_more(); SHF_DEBUG("testing process a IPC queue b2a --> a2b speed\n"); shf_debug_verbosity_less();
{
double test_start_time = shf_get_time_in_seconds();
uint32_t test_pull_items = 0;
shf_qiid = SHF_QIID_NONE;
while (1) {
while(SHF_QIID_NONE != shf_q_push_head_pull_tail(shf, test_qid_a2b, shf_qiid, test_qid_b2a)) {
test_pull_items ++;
if (1000000 == test_pull_items) { shf_q_push_head_pull_tail(shf, test_qid_a2b, shf_qiid, test_qid_b2a); goto FINISH_LINE_C2; }
}
if ((0 == memcmp(mode, SHF_CONST_STR_AND_SIZE("c2js")))
|| (0 == memcmp(mode, SHF_CONST_STR_AND_SIZE("c2py")))) { /* the rw spin locks are fair but don't create unnecessary contention for javascript or python client */
usleep(1000); /* 1/1000th of a second */
}
}
FINISH_LINE_C2:;
double test_elapsed_time = shf_get_time_in_seconds() - test_start_time;
usleep(3000); /* hack: wait 3/1000th of a second so that the oks do not conflict */
ok(1, " c2*: moved expected number of new queue items // estimate %'.0f q items per second with contention", test_pull_items / test_elapsed_time);
}
if (0 == memcmp(mode, SHF_CONST_STR_AND_SIZE("c2c"))) {
shf_debug_verbosity_more(); SHF_DEBUG("testing process a IPC lock speed\n"); shf_debug_verbosity_less();
SHF_MAKE_HASH ("lock");
SHF_LOCK * lock = shf_get_key_val_addr(shf );
ok( lock != NULL , " c2*: got lock value address as expected");
shf_race_start(shf, SHF_CONST_STR_AND_SIZE("test-lock-race-line"), 2);
double test_start_time = shf_get_time_in_seconds();
double test_lock_iterations = 0;
do {
SHF_LOCK_WRITER(lock);
SHF_UNLOCK_WRITER(lock);
test_lock_iterations ++;
} while (test_lock_iterations < 2000000);
double test_elapsed_time = shf_get_time_in_seconds() - test_start_time;
ok(1, " c2*: rw lock expected number of times // estimate %'.0f locks per second; with contention", test_lock_iterations / test_elapsed_time);
SHF_LOCK lock_without_contention;
memset(&lock_without_contention, 0, sizeof(lock_without_contention));
test_start_time = shf_get_time_in_seconds();
test_lock_iterations = 0;
do {
SHF_LOCK_WRITER(&lock_without_contention);
SHF_UNLOCK_WRITER(&lock_without_contention);
test_lock_iterations ++;
} while (test_lock_iterations < 2000000);
test_elapsed_time = shf_get_time_in_seconds() - test_start_time;
ok(1, " c2*: rw lock expected number of times // estimate %'.0f locks per second; without contention", test_lock_iterations / test_elapsed_time);
test_start_time = shf_get_time_in_seconds();
test_lock_iterations = 0;
do {
test_lock_iterations ++;
} while (test_lock_iterations < 2000000);
test_elapsed_time = shf_get_time_in_seconds() - test_start_time;
ok(1, " c2*: rw lock expected number of times // estimate %'.0f locks per second; without lock, just loop", test_lock_iterations / test_elapsed_time);
}
shf_debug_verbosity_more();
int status;
waitpid(child_pid, &status, 0);
ok(1, " c2*: test still alive");
SHF_DEBUG("ending parent\n");
SHF_PLAIN("test: shf size before deletion: %s\n", shf_del(shf));
EARLY_OUT:;
return exit_status();
} /* main() */
int main(void)
{
plan_tests(1);
if (getenv("SHF_PERFORMANCE_TEST_ENABLE") && atoi(getenv("SHF_PERFORMANCE_TEST_ENABLE"))) {
}
else {
fprintf(stderr, "NOTE: prefix make with SHF_PERFORMANCE_TEST_ENABLE=1 ?\n");
goto EARLY_EXIT;
}
uint32_t cpu_count_desired = getenv("SHF_PERFORMANCE_TEST_CPUS") ? atoi(getenv("SHF_PERFORMANCE_TEST_CPUS")) : 0;
uint32_t test_keys_desired = getenv("SHF_PERFORMANCE_TEST_KEYS") ? atoi(getenv("SHF_PERFORMANCE_TEST_KEYS")) : 0;
TEST_INIT();
#define TEST_MAX_PROCESSES (16)
#ifdef TEST_LMDB
uint32_t test_keys_default = 100 * 1000000; /* assume enough RAM is available for LMDB */
#else
uint64_t vfs_available_md = shf_get_vfs_available(shf) / 1024 / 1024;
uint32_t test_keys_10m = vfs_available_md / 436 * 10; /* 10M keys is about 436MB */
uint32_t test_keys_default = test_keys_10m > 100 ? 100 * 1000000 : test_keys_10m * 1000000; SHF_ASSERT(test_keys_default > 0, "ERROR: only %luMB available on /dev/shm but 10M keys takes at least 436MB for SharedHashFile", vfs_available_md);
#endif
uint32_t test_keys = test_keys_desired ? test_keys_desired : test_keys_default;
uint32_t cpu_count = cpu_count_desired ? cpu_count_desired : test_get_cpu_count();
uint32_t process;
uint32_t processes = cpu_count > TEST_MAX_PROCESSES ? TEST_MAX_PROCESSES : cpu_count;
uint32_t counts_old[TEST_MAX_PROCESSES] = { 0 };
volatile uint32_t * put_counts = mmap(NULL, SHF_MOD_PAGE(TEST_MAX_PROCESSES*sizeof(uint32_t)), PROT_READ|PROT_WRITE, MAP_ANONYMOUS | MAP_SHARED | MAP_NORESERVE, -1, 0); SHF_ASSERT(MAP_FAILED != put_counts, "mmap(): %u: ", errno);
volatile uint32_t * get_counts = mmap(NULL, SHF_MOD_PAGE(TEST_MAX_PROCESSES*sizeof(uint32_t)), PROT_READ|PROT_WRITE, MAP_ANONYMOUS | MAP_SHARED | MAP_NORESERVE, -1, 0); SHF_ASSERT(MAP_FAILED != get_counts, "mmap(): %u: ", errno);
volatile uint32_t * mix_counts = mmap(NULL, SHF_MOD_PAGE(TEST_MAX_PROCESSES*sizeof(uint32_t)), PROT_READ|PROT_WRITE, MAP_ANONYMOUS | MAP_SHARED | MAP_NORESERVE, -1, 0); SHF_ASSERT(MAP_FAILED != mix_counts, "mmap(): %u: ", errno);
volatile uint64_t * start_line = mmap(NULL, SHF_MOD_PAGE( 3*sizeof(uint64_t)), PROT_READ|PROT_WRITE, MAP_ANONYMOUS | MAP_SHARED | MAP_NORESERVE, -1, 0); SHF_ASSERT(MAP_FAILED != mix_counts, "mmap(): %u: ", errno);
SHF_ASSERT(sizeof(uint64_t) == sizeof(long), "INTERNAL: expected sizeof(uint64_t) == sizeof(long), but got %lu == %lu", sizeof(uint64_t), sizeof(long));
start_line[0] = 0;
start_line[1] = 0;
start_line[2] = 0;
for (process = 0; process < processes; process++) {
pid_t fork_pid = fork();
if (fork_pid == 0) { /*child*/
SHF_DEBUG("test process #%u with pid %5u\n", process, getpid());
{
long previous_long_value;
SHF_UNUSE(previous_long_value);
previous_long_value = InterlockedExchangeAdd((long volatile *) &start_line[0], 1);
while (processes != start_line[0]) { SHF_YIELD(); }
TEST_INIT_CHILD();
for (uint32_t i = 0; i < (1 + (test_keys / processes)); i++) {
uint32_t key = test_keys / processes * process + i;
put_counts[process] ++;
TEST_PUT();
}
TEST_PUT_POST();
TEST_MIX_PRE();
usleep(2000000); /* 2 seconds */
previous_long_value = InterlockedExchangeAdd((long volatile *) &start_line[1], 1);
while (processes != start_line[1]) { SHF_YIELD(); }
for (uint32_t i = 0; i < (1 + (test_keys / processes)); i++) {
uint32_t key = test_keys / processes * process + i;
TEST_MIX();
}
TEST_MIX_POST();
TEST_GET_PRE();
usleep(2000000); /* 2 seconds */
previous_long_value = InterlockedExchangeAdd((long volatile *) &start_line[2], 1);
while (processes != start_line[2]) { SHF_YIELD(); }
for (uint32_t i = 0; i < (1 + (test_keys / processes)); i++) {
uint32_t key = test_keys / processes * process + i;
TEST_GET();
}
TEST_GET_POST();
TEST_FINI();
exit(0);
}
break;
}
else if (fork_pid > 0) { /*parent*/
/* loop again */
}
}
/* parent monitors & reports on forked children */
uint32_t seconds = 0;
uint32_t key_total;
uint32_t key_total_old = 0;
uint64_t tabs_mmaps_old = 0;
uint64_t tabs_mremaps_old = 0;
uint64_t tabs_shrunk_old = 0;
uint64_t tabs_parted_old = 0;
uint32_t message = 0;
const char * message_text = "PUT";
#ifdef SHF_DEBUG_VERSION
uint64_t lock_conflicts_old = 0;
#endif
char graph_100[] = "----------------------------------------------------------------------------------------------------";
fprintf(stderr, "perf testing: " TEST_WHAT "\n");
fprintf(stderr, "running tests on: via command: '%s'\n", "cat /proc/cpuinfo | egrep 'model name' | head -n 1" );
fprintf(stderr, "running tests on: `%s`\n" , shf_backticks("cat /proc/cpuinfo | egrep 'model name' | head -n 1"));
do {
if (0 == seconds % 50) {
#ifdef SHF_DEBUG_VERSION
fprintf(stderr, "-LOCKC ");
#endif
fprintf(stderr, "-OP MMAP REMAP SHRK PART TOTAL ------PERCENT OPERATIONS PER PROCESS PER SECOND -OPS\n");
#ifdef SHF_DEBUG_VERSION
fprintf(stderr, "------ ");
#endif
fprintf(stderr, "--- -k/s --k/s --/s --/s M-OPS 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 -M/s\n");
}
seconds ++;
// todo: add % system CPU time to per second summary line; why does put require so much system?
#ifdef SHF_DEBUG_VERSION
{
uint64_t lock_conflicts = 0;
for (uint32_t win = 0; win < SHF_WINS_PER_SHF; win++) {
lock_conflicts += shf->shf_mmap->wins[win].lock.conflicts;
}
fprintf(stderr, "%6lu ", lock_conflicts - lock_conflicts_old);
lock_conflicts_old = lock_conflicts;
}
#endif
fprintf(stderr, "%s", message_text);
{
uint64_t tabs_mmaps = 0;
uint64_t tabs_mremaps = 0;
uint64_t tabs_shrunk = 0;
uint64_t tabs_parted = 0;
#ifdef TEST_SHF
for (uint32_t win = 0; win < SHF_WINS_PER_SHF; win++) {
tabs_mmaps += shf->shf_mmap->wins[win].tabs_mmaps ;
tabs_mremaps += shf->shf_mmap->wins[win].tabs_mremaps;
tabs_shrunk += shf->shf_mmap->wins[win].tabs_shrunk ;
tabs_parted += shf->shf_mmap->wins[win].tabs_parted ;
}
#endif
fprintf(stderr, "%5.1f %5.1f %4llu %4llu",
(tabs_mmaps - tabs_mmaps_old ) / 1000.0,
(tabs_mremaps - tabs_mremaps_old) / 1000.0,
(tabs_shrunk - tabs_shrunk_old ) ,
(tabs_parted - tabs_parted_old ) );
tabs_mmaps_old = tabs_mmaps ;
tabs_mremaps_old = tabs_mremaps;
tabs_shrunk_old = tabs_shrunk ;
tabs_parted_old = tabs_parted ;
}
{
key_total = 0;
uint32_t key_total_this_second = 0;
for (process = 0; process < TEST_MAX_PROCESSES; process++) {
key_total += put_counts[process] + get_counts[process] + mix_counts[process];
key_total_this_second += put_counts[process] + get_counts[process] + mix_counts[process] - counts_old[process];
}
fprintf(stderr, " %5.1f", key_total / 1000.0 / 1000.0);
for (process = 0; process < TEST_MAX_PROCESSES; process++) {
fprintf(stderr, "%3.0f", (put_counts[process] + get_counts[process] + mix_counts[process] - counts_old[process]) * 100.0 / (0 == key_total_this_second ? 1 : key_total_this_second));
counts_old[process] = put_counts[process] + get_counts[process] + mix_counts[process];
}
uint32_t key_total_per_second = key_total - key_total_old;
fprintf(stderr, "%5.1f %s\n", key_total_per_second / 1000.0 / 1000.0, &graph_100[100 - (key_total_per_second / 750000)]);
if (0 == message && key_total >= (1 * test_keys)) { message ++; message_text = "MIX"; }
else if (1 == message && key_total >= (2 * test_keys)) { message ++; message_text = "GET"; }
key_total_old = key_total;
}
usleep(1000000); /* one second */
} while (key_total < (3 * test_keys));
fprintf(stderr, "* MIX is 2%% (%u) del/put, 98%% (%u) get\n", test_keys * 2 / 100, test_keys * 98 / 100);
TEST_FINI_MASTER();
EARLY_EXIT:;
ok(1, "test still alive");
return exit_status();
} /* main() */
static void
shf_monitor_delete_shf(void)
{
char du_rm_folder[256];
SHF_SNPRINTF(1, du_rm_folder, "du -h -d 0 %s ; rm -rf %s/", shf_monitor_path_name, shf_monitor_path_name);
fprintf(stderr, "shf.monitor: detected pid %u gone; deleted shf; shf size before deletion: %s\n", shf_monitor_parent_pid, shf_backticks(du_rm_folder));
} /* shf_monitor_delete_shf() */