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authorEyal Bari <ebari@cisco.com>2017-03-16 10:02:57 +0200
committerJohn Lo <loj@cisco.com>2017-03-16 15:15:16 +0000
commitb614d08368cc0b04e01c5222d4c11a88845394e5 (patch)
treed64d38a80016b437c6b18950852ac9bccef8f814 /src/plugins/lb/api.c
parentf6dae05b8b5f4e17d1cf7e108bf8a6af3a2f9785 (diff)
API:replaced all REPLY_MACRO's with api_helper_macros.h
Change-Id: I08ab1fd0abdd1db4aff11a38c9c0134b01368e11 Signed-off-by: Eyal Bari <ebari@cisco.com>
Diffstat (limited to 'src/plugins/lb/api.c')
-rw-r--r--src/plugins/lb/api.c27
1 files changed, 4 insertions, 23 deletions
diff --git a/src/plugins/lb/api.c b/src/plugins/lb/api.c
index 06c53fa1005..9e3bcd651a0 100644
--- a/src/plugins/lb/api.c
+++ b/src/plugins/lb/api.c
@@ -51,6 +51,10 @@ typedef enum {
#include <lb/lb.api.h>
#undef vl_msg_name_crc_list
+
+#define REPLY_MSG_ID_BASE lbm->msg_id_base
+#include <vlibapi/api_helper_macros.h>
+
static void
setup_message_id_table (lb_main_t * lbm, api_main_t * am)
{
@@ -67,29 +71,6 @@ setup_message_id_table (lb_main_t * lbm, api_main_t * am)
vec_free (s); \
return handle;
-/*
- * A handy macro to set up a message reply.
- * Assumes that the following variables are available:
- * mp - pointer to request message
- * rmp - pointer to reply message type
- * rv - return value
- */
-
-#define REPLY_MACRO(t) \
-do { \
- unix_shared_memory_queue_t * q = \
- vl_api_client_index_to_input_queue (mp->client_index); \
- if (!q) \
- return; \
- \
- rmp = vl_msg_api_alloc (sizeof (*rmp)); \
- rmp->_vl_msg_id = ntohs((t)+lbm->msg_id_base); \
- rmp->context = mp->context; \
- rmp->retval = ntohl(rv); \
- \
- vl_msg_api_send_shmem (q, (u8 *)&rmp); \
-} while(0);
-
static void
vl_api_lb_conf_t_handler
(vl_api_lb_conf_t * mp)
#n234'>234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 
/*
 * Copyright (c) 2015 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include <vppinfra/time.h>
#include <vppinfra/cache.h>
#include <vppinfra/error.h>
#include <sys/resource.h>
#include <stdio.h>
#include <pthread.h>

#include <vppinfra/bihash_8_8.h>
#include <vppinfra/bihash_template.h>

#include <vppinfra/bihash_template.c>

typedef struct
{
  volatile u32 thread_barrier;
  volatile u32 threads_running;
  volatile u64 sequence_number;
  u64 seed;
  u32 nbuckets;
  u32 nitems;
  u32 ncycles;
  u32 report_every_n;
  u32 search_iter;
  u32 noverwritten;
  int careful_delete_tests;
  int verbose;
  int non_random_keys;
  u32 nthreads;
  uword *key_hash;
  u64 *keys;
  uword hash_memory_size;
    BVT (clib_bihash) hash;
  clib_time_t clib_time;
  void *global_heap;

  unformat_input_t *input;

} test_main_t;

test_main_t test_main;

uword
vl (void *v)
{
  return vec_len (v);
}

static clib_error_t *
test_bihash_vec64 (test_main_t * tm)
{
  u32 user_buckets = 1228800;
  u32 user_memory_size = 209715200;
  BVT (clib_bihash_kv) kv;
  int i, j;
  f64 before;
  f64 *cum_times = 0;
  BVT (clib_bihash) * h;

  h = &tm->hash;

#if BIHASH_32_64_SVM
  BV (clib_bihash_initiator_init_svm) (h, "test", user_buckets,
				       0x30000000 /* base_addr */ ,
				       user_memory_size);
#else
  BV (clib_bihash_init) (h, "test", user_buckets, user_memory_size);
#endif

  before = clib_time_now (&tm->clib_time);

  for (j = 0; j < 10; j++)
    {
      for (i = 1; i <= j * 1000 + 1; i++)
	{
	  kv.key = i;
	  kv.value = 1;

	  BV (clib_bihash_add_del) (h, &kv, 1 /* is_add */ );
	}

      vec_add1 (cum_times, clib_time_now (&tm->clib_time) - before);
    }

  for (j = 0; j < vec_len (cum_times); j++)
    fformat (stdout, "Cum time for %d: %.4f (us)\n", (j + 1) * 1000,
	     cum_times[j] * 1e6);

  return 0;
}

static int
stale_cb (BVT (clib_bihash_kv) * kv, void *ctx)
{
  test_main_t *tm = ctx;

  tm->noverwritten++;

  return 1;
}

static clib_error_t *
test_bihash_stale_overwrite (test_main_t * tm)
{
  BVT (clib_bihash) * h;
  BVT (clib_bihash_kv) kv;
  int i;
  tm->noverwritten = 0;

  h = &tm->hash;

#if BIHASH_32_64_SVM
  BV (clib_bihash_initiator_init_svm) (h, "test", tm->nbuckets,
				       0x30000000 /* base_addr */ ,
				       tm->hash_memory_size);
#else
  BV (clib_bihash_init) (h, "test", tm->nbuckets, tm->hash_memory_size);
#endif

  fformat (stdout, "Add %d items to %d buckets\n", tm->nitems, tm->nbuckets);

  for (i = 0; i < tm->nitems; i++)
    {
      kv.key = i;
      kv.value = 1;

      BV (clib_bihash_add_or_overwrite_stale) (h, &kv, stale_cb, tm);
    }

  fformat (stdout, "%d items overwritten\n", tm->noverwritten);
  fformat (stdout, "%U", BV (format_bihash), h, 0);

  return 0;
}

void *
test_bihash_thread_fn (void *arg)
{
  BVT (clib_bihash) * h;
  BVT (clib_bihash_kv) kv;
  test_main_t *tm = &test_main;

  int i, j;

  u32 my_thread_index = (u32) (u64) arg;
  __os_thread_index = my_thread_index;
  clib_mem_set_per_cpu_heap (tm->global_heap);

  while (tm->thread_barrier)
    ;

  h = &tm->hash;

  for (i = 0; i < tm->ncycles; i++)
    {
      for (j = 0; j < tm->nitems; j++)
	{
	  kv.key = ((u64) my_thread_index << 32) | (u64) j;
	  kv.value = ((u64) my_thread_index << 32) | (u64) j;
	  (void) __atomic_add_fetch (&tm->sequence_number, 1,
				     __ATOMIC_ACQUIRE);
	  BV (clib_bihash_add_del) (h, &kv, 1 /* is_add */ );
	}
      for (j = 0; j < tm->nitems; j++)
	{
	  kv.key = ((u64) my_thread_index << 32) | (u64) j;
	  kv.value = ((u64) my_thread_index << 32) | (u64) j;
	  (void) __atomic_add_fetch (&tm->sequence_number, 1,
				     __ATOMIC_ACQUIRE);
	  BV (clib_bihash_add_del) (h, &kv, 0 /* is_add */ );
	}
    }

  (void) __atomic_sub_fetch (&tm->threads_running, 1, __ATOMIC_ACQUIRE);
  while (1)
    {
      struct timespec ts, tsrem;
      ts.tv_sec = 1;
      ts.tv_nsec = 0;

      while (nanosleep (&ts, &tsrem) < 0)
	ts = tsrem;
    }
  return (0);			/* not so much */
}

static clib_error_t *
test_bihash_threads (test_main_t * tm)
{
  int i;
  pthread_t handle;
  BVT (clib_bihash) * h;
  int rv;

  h = &tm->hash;

#if BIHASH_32_64_SVM
  BV (clib_bihash_initiator_init_svm) (h, "test", tm->nbuckets,
				       0x30000000 /* base_addr */ ,
				       tm->hash_memory_size);
#else
  BV (clib_bihash_init) (h, "test", tm->nbuckets, tm->hash_memory_size);
#endif

  tm->thread_barrier = 1;

  /* Start the worker threads */
  for (i = 0; i < tm->nthreads; i++)
    {
      rv = pthread_create (&handle, NULL, test_bihash_thread_fn,
			   (void *) (u64) i);
      if (rv)
	{
	  clib_unix_warning ("pthread_create returned %d", rv);
	}
    }
  tm->threads_running = i;
  tm->sequence_number = 0;
  CLIB_MEMORY_BARRIER ();

  /* start the workers */
  tm->thread_barrier = 0;

  while (tm->threads_running)
    {
      struct timespec ts, tsrem;
      ts.tv_sec = 0;
      ts.tv_nsec = 20 * 1000 * 1000;	/* sleep for 20ms at a time */

      while (nanosleep (&ts, &tsrem) < 0)
	ts = tsrem;
    }

  return 0;
}


static clib_error_t *
test_bihash (test_main_t * tm)
{
  int i, j;
  uword *p;
  uword total_searches;
  f64 before, delta;
  BVT (clib_bihash) * h;
  BVT (clib_bihash_kv) kv;
  u32 acycle;

  h = &tm->hash;

#if BIHASH_32_64_SVM
  BV (clib_bihash_initiator_init_svm) (h, "test", tm->nbuckets,
				       0x30000000 /* base_addr */ ,
				       tm->hash_memory_size);
#else
  BV (clib_bihash_init) (h, "test", tm->nbuckets, tm->hash_memory_size);
#endif

  for (acycle = 0; acycle < tm->ncycles; acycle++)
    {
      if ((acycle % tm->report_every_n) == 0)
	{
	  fformat (stdout, "Cycle %lld out of %lld...\n",
		   acycle, tm->ncycles);

	  fformat (stdout, "Pick %lld unique %s keys...\n",
		   tm->nitems, tm->non_random_keys ? "non-random" : "random");
	}

      for (i = 0; i < tm->nitems; i++)
	{
	  u64 rndkey;

	  if (tm->non_random_keys == 0)
	    {

	    again:
	      rndkey = random_u64 (&tm->seed);

	      p = hash_get (tm->key_hash, rndkey);
	      if (p)
		goto again;
	    }
	  else
	    rndkey = (u64) (i + 1) << 16;
	  rndkey += acycle;

	  hash_set (tm->key_hash, rndkey, i + 1);
	  vec_add1 (tm->keys, rndkey);
	}


      if ((acycle % tm->report_every_n) == 0)
	fformat (stdout, "Add items...\n");

      for (i = 0; i < tm->nitems; i++)
	{
	  kv.key = tm->keys[i];
	  kv.value = i + 1;

	  BV (clib_bihash_add_del) (h, &kv, 1 /* is_add */ );

	  if (tm->verbose > 1)
	    {
	      fformat (stdout, "--------------------\n");
	      fformat (stdout, "After adding key %llu value %lld...\n",
		       tm->keys[i], (u64) (i + 1));
	      fformat (stdout, "%U", BV (format_bihash), h,
		       2 /* very verbose */ );
	    }
	}

      if ((acycle % tm->report_every_n) == 0)
	{
	  fformat (stdout, "%U", BV (format_bihash), h,
		   0 /* very verbose */ );

	  fformat (stdout, "Search for items %d times...\n", tm->search_iter);
	}

      before = clib_time_now (&tm->clib_time);

      for (j = 0; j < tm->search_iter; j++)
	{
	  for (i = 0; i < tm->nitems; i++)
	    {
	      /* Prefetch buckets 8 iterations ahead */
	      if (1 && (i < (tm->nitems - 8)))
		{
		  BVT (clib_bihash_kv) pref_kv;
		  u64 pref_hash;
		  pref_kv.key = tm->keys[i + 8];
		  pref_hash = BV (clib_bihash_hash) (&pref_kv);
		  BV (clib_bihash_prefetch_bucket) (h, pref_hash);
		}

	      kv.key = tm->keys[i];
	      if (BV (clib_bihash_search) (h, &kv, &kv) < 0)
		if (BV (clib_bihash_search) (h, &kv, &kv) < 0)
		  clib_warning
		    ("[%d] search for key %lld failed unexpectedly\n", i,
		     tm->keys[i]);
	      if (kv.value != (u64) (i + 1))
		clib_warning
		  ("[%d] search for key %lld returned %lld, not %lld\n", i,
		   tm->keys, kv.value, (u64) (i + 1));
	    }
	}

      if ((acycle % tm->report_every_n) == 0)
	{
	  delta = clib_time_now (&tm->clib_time) - before;
	  total_searches = (uword) tm->search_iter * (uword) tm->nitems;

	  if (delta > 0)
	    fformat (stdout,
		     "%.f searches per second, %.2f nsec per search\n",
		     ((f64) total_searches) / delta,
		     1e9 * (delta / ((f64) total_searches)));

	  fformat (stdout, "%lld searches in %.6f seconds\n", total_searches,
		   delta);

	  fformat (stdout, "Standard E-hash search for items %d times...\n",
		   tm->search_iter);
	}

      before = clib_time_now (&tm->clib_time);

      for (j = 0; j < tm->search_iter; j++)
	{
	  for (i = 0; i < tm->nitems; i++)
	    {
	      p = hash_get (tm->key_hash, tm->keys[i]);
	      if (p == 0 || p[0] != (uword) (i + 1))
		clib_warning ("ugh, couldn't find %lld\n", tm->keys[i]);
	    }
	}

      delta = clib_time_now (&tm->clib_time) - before;
      total_searches = (uword) tm->search_iter * (uword) tm->nitems;

      if ((acycle % tm->report_every_n) == 0)
	{
	  fformat (stdout, "%lld searches in %.6f seconds\n",
		   total_searches, delta);

	  if (delta > 0)
	    fformat (stdout, "%.f searches per second\n",
		     ((f64) total_searches) / delta);
	  fformat (stdout, "Delete items...\n");
	}

      for (i = 0; i < tm->nitems; i++)
	{
	  int j;
	  int rv;

	  kv.key = tm->keys[i];
	  kv.value = (u64) (i + 1);
	  rv = BV (clib_bihash_add_del) (h, &kv, 0 /* is_add */ );

	  if (rv < 0)
	    clib_warning ("delete key %lld not ok but should be",
			  tm->keys[i]);

	  if (tm->careful_delete_tests)
	    {
	      for (j = 0; j < tm->nitems; j++)
		{
		  /* Prefetch buckets 8 iterations ahead */
		  if (1 && (j < (tm->nitems - 8)))
		    {
		      BVT (clib_bihash_kv) pref_kv;
		      u64 pref_hash;
		      pref_kv.key = tm->keys[j + 8];
		      pref_hash = BV (clib_bihash_hash) (&pref_kv);
		      BV (clib_bihash_prefetch_bucket) (h, pref_hash);
		    }

		  kv.key = tm->keys[j];
		  rv = BV (clib_bihash_search) (h, &kv, &kv);
		  if (j <= i && rv >= 0)
		    {
		      clib_warning
			("i %d j %d search ok but should not be, value %lld",
			 i, j, kv.value);
		    }
		  if (j > i && rv < 0)
		    {
		      clib_warning ("i %d j %d search not ok but should be",
				    i, j);
		    }
		}
	    }
	}
      if ((acycle % tm->report_every_n) == 0)
	{
	  struct rusage r_usage;
	  getrusage (RUSAGE_SELF, &r_usage);
	  fformat (stdout, "Kernel RSS: %ld bytes\n", r_usage.ru_maxrss);
	  fformat (stdout, "%U\n", BV (format_bihash), h, 0 /* verbose */ );
	}

      /* Clean up side-bet hash table and random key vector */
      hash_free (tm->key_hash);
      vec_reset_length (tm->keys);
      /* Recreate hash table if we're going to need it again */
      if (acycle != (tm->ncycles - 1))
	tm->key_hash = hash_create (tm->nitems, sizeof (uword));
    }

  fformat (stdout, "End of run, should be empty...\n");

  fformat (stdout, "%U", BV (format_bihash), h, 0 /* very verbose */ );

  BV (clib_bihash_free) (h);

  return 0;
}

clib_error_t *
test_bihash_main (test_main_t * tm)
{
  unformat_input_t *i = tm->input;
  clib_error_t *error;
  int which = 0;

  tm->report_every_n = 1;
  tm->hash_memory_size = 1ULL << 30;

  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
    {
      if (unformat (i, "seed %u", &tm->seed))
	;

      else if (unformat (i, "nbuckets %d", &tm->nbuckets))
	;
      else if (unformat (i, "non-random-keys"))
	tm->non_random_keys = 1;
      else if (unformat (i, "nitems %d", &tm->nitems))
	;
      else if (unformat (i, "ncycles %d", &tm->ncycles))
	;
      else if (unformat (i, "careful %d", &tm->careful_delete_tests))
	;
      else if (unformat (i, "verbose %d", &tm->verbose))
	;
      else if (unformat (i, "search %d", &tm->search_iter))
	;
      else if (unformat (i, "report-every %d", &tm->report_every_n))
	;
      else if (unformat (i, "memory-size %U",
			 unformat_memory_size, &tm->hash_memory_size))
	;
      else if (unformat (i, "vec64"))
	which = 1;
      else if (unformat (i, "threads %u", &tm->nthreads))
	which = 2;
      else if (unformat (i, "verbose"))
	tm->verbose = 1;
      else if (unformat (i, "stale-overwrite"))
	which = 3;
      else
	return clib_error_return (0, "unknown input '%U'",
				  format_unformat_error, i);
    }

  /* Preallocate hash table, key vector */
  tm->key_hash = hash_create (tm->nitems, sizeof (uword));
  vec_validate (tm->keys, tm->nitems - 1);
  _vec_len (tm->keys) = 0;


  switch (which)
    {
    case 0:
      error = test_bihash (tm);
      break;

    case 1:
      error = test_bihash_vec64 (tm);
      break;

    case 2:
      error = test_bihash_threads (tm);
      break;

    case 3:
      error = test_bihash_stale_overwrite (tm);
      break;

    default:
      return clib_error_return (0, "no such test?");
    }

  return error;
}

#ifdef CLIB_UNIX
int
main (int argc, char *argv[])
{
  unformat_input_t i;
  clib_error_t *error;
  test_main_t *tm = &test_main;

  clib_mem_init (0, 4095ULL << 20);

  tm->global_heap = clib_mem_get_per_cpu_heap ();

  tm->input = &i;
  tm->seed = 0xdeaddabe;

  tm->nbuckets = 2;
  tm->nitems = 5;
  tm->ncycles = 1;
  tm->verbose = 1;
  tm->search_iter = 1;
  tm->careful_delete_tests = 0;
  clib_time_init (&tm->clib_time);

  unformat_init_command_line (&i, argv);
  error = test_bihash_main (tm);
  unformat_free (&i);

  if (error)
    {
      clib_error_report (error);
      return 1;
    }
  return 0;
}
#endif /* CLIB_UNIX */

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */