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1 /*
2  *
3  * Copyright 2017 gRPC authors.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  *     http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  */
18 
19 /* This benchmark exists to ensure that the benchmark integration is
20  * working */
21 
22 #include <benchmark/benchmark.h>
23 #include <string.h>
24 #include <sstream>
25 
26 #include <grpc/grpc.h>
27 #include <grpc/support/alloc.h>
28 #include <grpc/support/string_util.h>
29 #include <grpcpp/channel.h>
30 #include <grpcpp/support/channel_arguments.h>
31 
32 #include "src/core/ext/filters/client_channel/client_channel.h"
33 #include "src/core/ext/filters/deadline/deadline_filter.h"
34 #include "src/core/ext/filters/http/client/http_client_filter.h"
35 #include "src/core/ext/filters/http/message_compress/message_compress_filter.h"
36 #include "src/core/ext/filters/http/server/http_server_filter.h"
37 #include "src/core/ext/filters/load_reporting/server_load_reporting_filter.h"
38 #include "src/core/ext/filters/message_size/message_size_filter.h"
39 #include "src/core/lib/channel/channel_stack.h"
40 #include "src/core/lib/channel/connected_channel.h"
41 #include "src/core/lib/iomgr/call_combiner.h"
42 #include "src/core/lib/profiling/timers.h"
43 #include "src/core/lib/surface/channel.h"
44 #include "src/core/lib/transport/transport_impl.h"
45 
46 #include "src/cpp/client/create_channel_internal.h"
47 #include "src/proto/grpc/testing/echo.grpc.pb.h"
48 #include "test/cpp/microbenchmarks/helpers.h"
49 #include "test/cpp/util/test_config.h"
50 
51 auto& force_library_initialization = Library::get();
52 
BM_Zalloc(benchmark::State & state)53 void BM_Zalloc(benchmark::State& state) {
54   // speed of light for call creation is zalloc, so benchmark a few interesting
55   // sizes
56   TrackCounters track_counters;
57   size_t sz = state.range(0);
58   while (state.KeepRunning()) {
59     gpr_free(gpr_zalloc(sz));
60   }
61   track_counters.Finish(state);
62 }
63 BENCHMARK(BM_Zalloc)
64     ->Arg(64)
65     ->Arg(128)
66     ->Arg(256)
67     ->Arg(512)
68     ->Arg(1024)
69     ->Arg(1536)
70     ->Arg(2048)
71     ->Arg(3072)
72     ->Arg(4096)
73     ->Arg(5120)
74     ->Arg(6144)
75     ->Arg(7168);
76 
77 ////////////////////////////////////////////////////////////////////////////////
78 // Benchmarks creating full stacks
79 
80 class BaseChannelFixture {
81  public:
BaseChannelFixture(grpc_channel * channel)82   BaseChannelFixture(grpc_channel* channel) : channel_(channel) {}
~BaseChannelFixture()83   ~BaseChannelFixture() { grpc_channel_destroy(channel_); }
84 
channel() const85   grpc_channel* channel() const { return channel_; }
86 
87  private:
88   grpc_channel* const channel_;
89 };
90 
91 class InsecureChannel : public BaseChannelFixture {
92  public:
InsecureChannel()93   InsecureChannel()
94       : BaseChannelFixture(
95             grpc_insecure_channel_create("localhost:1234", nullptr, nullptr)) {}
96 };
97 
98 class LameChannel : public BaseChannelFixture {
99  public:
LameChannel()100   LameChannel()
101       : BaseChannelFixture(grpc_lame_client_channel_create(
102             "localhost:1234", GRPC_STATUS_UNAUTHENTICATED, "blah")) {}
103 };
104 
105 template <class Fixture>
BM_CallCreateDestroy(benchmark::State & state)106 static void BM_CallCreateDestroy(benchmark::State& state) {
107   TrackCounters track_counters;
108   Fixture fixture;
109   grpc_completion_queue* cq = grpc_completion_queue_create_for_next(nullptr);
110   gpr_timespec deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC);
111   void* method_hdl = grpc_channel_register_call(fixture.channel(), "/foo/bar",
112                                                 nullptr, nullptr);
113   while (state.KeepRunning()) {
114     grpc_call_unref(grpc_channel_create_registered_call(
115         fixture.channel(), nullptr, GRPC_PROPAGATE_DEFAULTS, cq, method_hdl,
116         deadline, nullptr));
117   }
118   grpc_completion_queue_destroy(cq);
119   track_counters.Finish(state);
120 }
121 
122 BENCHMARK_TEMPLATE(BM_CallCreateDestroy, InsecureChannel);
123 BENCHMARK_TEMPLATE(BM_CallCreateDestroy, LameChannel);
124 
125 ////////////////////////////////////////////////////////////////////////////////
126 // Benchmarks isolating individual filters
127 
tag(int i)128 static void* tag(int i) {
129   return reinterpret_cast<void*>(static_cast<intptr_t>(i));
130 }
131 
BM_LameChannelCallCreateCpp(benchmark::State & state)132 static void BM_LameChannelCallCreateCpp(benchmark::State& state) {
133   TrackCounters track_counters;
134   auto stub =
135       grpc::testing::EchoTestService::NewStub(grpc::CreateChannelInternal(
136           "", grpc_lame_client_channel_create(
137                   "localhost:1234", GRPC_STATUS_UNAUTHENTICATED, "blah")));
138   grpc::CompletionQueue cq;
139   grpc::testing::EchoRequest send_request;
140   grpc::testing::EchoResponse recv_response;
141   grpc::Status recv_status;
142   while (state.KeepRunning()) {
143     GPR_TIMER_SCOPE("BenchmarkCycle", 0);
144     grpc::ClientContext cli_ctx;
145     auto reader = stub->AsyncEcho(&cli_ctx, send_request, &cq);
146     reader->Finish(&recv_response, &recv_status, tag(0));
147     void* t;
148     bool ok;
149     GPR_ASSERT(cq.Next(&t, &ok));
150     GPR_ASSERT(ok);
151   }
152   track_counters.Finish(state);
153 }
154 BENCHMARK(BM_LameChannelCallCreateCpp);
155 
do_nothing(void * ignored)156 static void do_nothing(void* ignored) {}
157 
BM_LameChannelCallCreateCore(benchmark::State & state)158 static void BM_LameChannelCallCreateCore(benchmark::State& state) {
159   TrackCounters track_counters;
160 
161   grpc_channel* channel;
162   grpc_completion_queue* cq;
163   grpc_metadata_array initial_metadata_recv;
164   grpc_metadata_array trailing_metadata_recv;
165   grpc_byte_buffer* response_payload_recv = nullptr;
166   grpc_status_code status;
167   grpc_slice details;
168   grpc::testing::EchoRequest send_request;
169   grpc_slice send_request_slice =
170       grpc_slice_new(&send_request, sizeof(send_request), do_nothing);
171 
172   channel = grpc_lame_client_channel_create(
173       "localhost:1234", GRPC_STATUS_UNAUTHENTICATED, "blah");
174   cq = grpc_completion_queue_create_for_next(nullptr);
175   void* rc = grpc_channel_register_call(
176       channel, "/grpc.testing.EchoTestService/Echo", nullptr, nullptr);
177   while (state.KeepRunning()) {
178     GPR_TIMER_SCOPE("BenchmarkCycle", 0);
179     grpc_call* call = grpc_channel_create_registered_call(
180         channel, nullptr, GRPC_PROPAGATE_DEFAULTS, cq, rc,
181         gpr_inf_future(GPR_CLOCK_REALTIME), nullptr);
182     grpc_metadata_array_init(&initial_metadata_recv);
183     grpc_metadata_array_init(&trailing_metadata_recv);
184     grpc_byte_buffer* request_payload_send =
185         grpc_raw_byte_buffer_create(&send_request_slice, 1);
186 
187     // Fill in call ops
188     grpc_op ops[6];
189     memset(ops, 0, sizeof(ops));
190     grpc_op* op = ops;
191     op->op = GRPC_OP_SEND_INITIAL_METADATA;
192     op->data.send_initial_metadata.count = 0;
193     op++;
194     op->op = GRPC_OP_SEND_MESSAGE;
195     op->data.send_message.send_message = request_payload_send;
196     op++;
197     op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
198     op++;
199     op->op = GRPC_OP_RECV_INITIAL_METADATA;
200     op->data.recv_initial_metadata.recv_initial_metadata =
201         &initial_metadata_recv;
202     op++;
203     op->op = GRPC_OP_RECV_MESSAGE;
204     op->data.recv_message.recv_message = &response_payload_recv;
205     op++;
206     op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
207     op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
208     op->data.recv_status_on_client.status = &status;
209     op->data.recv_status_on_client.status_details = &details;
210     op++;
211 
212     GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call, ops,
213                                                      (size_t)(op - ops),
214                                                      (void*)1, nullptr));
215     grpc_event ev = grpc_completion_queue_next(
216         cq, gpr_inf_future(GPR_CLOCK_REALTIME), nullptr);
217     GPR_ASSERT(ev.type != GRPC_QUEUE_SHUTDOWN);
218     GPR_ASSERT(ev.success != 0);
219     grpc_call_unref(call);
220     grpc_byte_buffer_destroy(request_payload_send);
221     grpc_byte_buffer_destroy(response_payload_recv);
222     grpc_metadata_array_destroy(&initial_metadata_recv);
223     grpc_metadata_array_destroy(&trailing_metadata_recv);
224   }
225   grpc_channel_destroy(channel);
226   grpc_completion_queue_destroy(cq);
227   grpc_slice_unref(send_request_slice);
228   track_counters.Finish(state);
229 }
230 BENCHMARK(BM_LameChannelCallCreateCore);
231 
BM_LameChannelCallCreateCoreSeparateBatch(benchmark::State & state)232 static void BM_LameChannelCallCreateCoreSeparateBatch(benchmark::State& state) {
233   TrackCounters track_counters;
234 
235   grpc_channel* channel;
236   grpc_completion_queue* cq;
237   grpc_metadata_array initial_metadata_recv;
238   grpc_metadata_array trailing_metadata_recv;
239   grpc_byte_buffer* response_payload_recv = nullptr;
240   grpc_status_code status;
241   grpc_slice details;
242   grpc::testing::EchoRequest send_request;
243   grpc_slice send_request_slice =
244       grpc_slice_new(&send_request, sizeof(send_request), do_nothing);
245 
246   channel = grpc_lame_client_channel_create(
247       "localhost:1234", GRPC_STATUS_UNAUTHENTICATED, "blah");
248   cq = grpc_completion_queue_create_for_next(nullptr);
249   void* rc = grpc_channel_register_call(
250       channel, "/grpc.testing.EchoTestService/Echo", nullptr, nullptr);
251   while (state.KeepRunning()) {
252     GPR_TIMER_SCOPE("BenchmarkCycle", 0);
253     grpc_call* call = grpc_channel_create_registered_call(
254         channel, nullptr, GRPC_PROPAGATE_DEFAULTS, cq, rc,
255         gpr_inf_future(GPR_CLOCK_REALTIME), nullptr);
256     grpc_metadata_array_init(&initial_metadata_recv);
257     grpc_metadata_array_init(&trailing_metadata_recv);
258     grpc_byte_buffer* request_payload_send =
259         grpc_raw_byte_buffer_create(&send_request_slice, 1);
260 
261     // Fill in call ops
262     grpc_op ops[3];
263     memset(ops, 0, sizeof(ops));
264     grpc_op* op = ops;
265     op->op = GRPC_OP_SEND_INITIAL_METADATA;
266     op->data.send_initial_metadata.count = 0;
267     op++;
268     op->op = GRPC_OP_SEND_MESSAGE;
269     op->data.send_message.send_message = request_payload_send;
270     op++;
271     op->op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
272     op++;
273     GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call, ops,
274                                                      (size_t)(op - ops),
275                                                      (void*)nullptr, nullptr));
276     memset(ops, 0, sizeof(ops));
277     op = ops;
278     op->op = GRPC_OP_RECV_INITIAL_METADATA;
279     op->data.recv_initial_metadata.recv_initial_metadata =
280         &initial_metadata_recv;
281     op++;
282     op->op = GRPC_OP_RECV_MESSAGE;
283     op->data.recv_message.recv_message = &response_payload_recv;
284     op++;
285     op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
286     op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv;
287     op->data.recv_status_on_client.status = &status;
288     op->data.recv_status_on_client.status_details = &details;
289     op++;
290 
291     GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call, ops,
292                                                      (size_t)(op - ops),
293                                                      (void*)1, nullptr));
294     grpc_event ev = grpc_completion_queue_next(
295         cq, gpr_inf_future(GPR_CLOCK_REALTIME), nullptr);
296     GPR_ASSERT(ev.type != GRPC_QUEUE_SHUTDOWN);
297     GPR_ASSERT(ev.success == 0);
298     ev = grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME),
299                                     nullptr);
300     GPR_ASSERT(ev.type != GRPC_QUEUE_SHUTDOWN);
301     GPR_ASSERT(ev.success != 0);
302     grpc_call_unref(call);
303     grpc_byte_buffer_destroy(request_payload_send);
304     grpc_byte_buffer_destroy(response_payload_recv);
305     grpc_metadata_array_destroy(&initial_metadata_recv);
306     grpc_metadata_array_destroy(&trailing_metadata_recv);
307   }
308   grpc_channel_destroy(channel);
309   grpc_completion_queue_destroy(cq);
310   grpc_slice_unref(send_request_slice);
311   track_counters.Finish(state);
312 }
313 BENCHMARK(BM_LameChannelCallCreateCoreSeparateBatch);
314 
FilterDestroy(void * arg,grpc_error * error)315 static void FilterDestroy(void* arg, grpc_error* error) { gpr_free(arg); }
316 
DoNothing(void * arg,grpc_error * error)317 static void DoNothing(void* arg, grpc_error* error) {}
318 
319 class FakeClientChannelFactory : public grpc_client_channel_factory {
320  public:
FakeClientChannelFactory()321   FakeClientChannelFactory() { vtable = &vtable_; }
322 
323  private:
NoRef(grpc_client_channel_factory * factory)324   static void NoRef(grpc_client_channel_factory* factory) {}
NoUnref(grpc_client_channel_factory * factory)325   static void NoUnref(grpc_client_channel_factory* factory) {}
CreateSubchannel(grpc_client_channel_factory * factory,const grpc_subchannel_args * args)326   static grpc_subchannel* CreateSubchannel(grpc_client_channel_factory* factory,
327                                            const grpc_subchannel_args* args) {
328     return nullptr;
329   }
CreateClientChannel(grpc_client_channel_factory * factory,const char * target,grpc_client_channel_type type,const grpc_channel_args * args)330   static grpc_channel* CreateClientChannel(grpc_client_channel_factory* factory,
331                                            const char* target,
332                                            grpc_client_channel_type type,
333                                            const grpc_channel_args* args) {
334     return nullptr;
335   }
336 
337   static const grpc_client_channel_factory_vtable vtable_;
338 };
339 
340 const grpc_client_channel_factory_vtable FakeClientChannelFactory::vtable_ = {
341     NoRef, NoUnref, CreateSubchannel, CreateClientChannel};
342 
StringArg(const char * key,const char * value)343 static grpc_arg StringArg(const char* key, const char* value) {
344   grpc_arg a;
345   a.type = GRPC_ARG_STRING;
346   a.key = const_cast<char*>(key);
347   a.value.string = const_cast<char*>(value);
348   return a;
349 }
350 
351 enum FixtureFlags : uint32_t {
352   CHECKS_NOT_LAST = 1,
353   REQUIRES_TRANSPORT = 2,
354 };
355 
356 template <const grpc_channel_filter* kFilter, uint32_t kFlags>
357 struct Fixture {
358   const grpc_channel_filter* filter = kFilter;
359   const uint32_t flags = kFlags;
360 };
361 
362 namespace dummy_filter {
363 
StartTransportStreamOp(grpc_call_element * elem,grpc_transport_stream_op_batch * op)364 static void StartTransportStreamOp(grpc_call_element* elem,
365                                    grpc_transport_stream_op_batch* op) {}
366 
StartTransportOp(grpc_channel_element * elem,grpc_transport_op * op)367 static void StartTransportOp(grpc_channel_element* elem,
368                              grpc_transport_op* op) {}
369 
InitCallElem(grpc_call_element * elem,const grpc_call_element_args * args)370 static grpc_error* InitCallElem(grpc_call_element* elem,
371                                 const grpc_call_element_args* args) {
372   return GRPC_ERROR_NONE;
373 }
374 
SetPollsetOrPollsetSet(grpc_call_element * elem,grpc_polling_entity * pollent)375 static void SetPollsetOrPollsetSet(grpc_call_element* elem,
376                                    grpc_polling_entity* pollent) {}
377 
DestroyCallElem(grpc_call_element * elem,const grpc_call_final_info * final_info,grpc_closure * then_sched_closure)378 static void DestroyCallElem(grpc_call_element* elem,
379                             const grpc_call_final_info* final_info,
380                             grpc_closure* then_sched_closure) {}
381 
InitChannelElem(grpc_channel_element * elem,grpc_channel_element_args * args)382 grpc_error* InitChannelElem(grpc_channel_element* elem,
383                             grpc_channel_element_args* args) {
384   return GRPC_ERROR_NONE;
385 }
386 
DestroyChannelElem(grpc_channel_element * elem)387 void DestroyChannelElem(grpc_channel_element* elem) {}
388 
GetChannelInfo(grpc_channel_element * elem,const grpc_channel_info * channel_info)389 void GetChannelInfo(grpc_channel_element* elem,
390                     const grpc_channel_info* channel_info) {}
391 
392 static const grpc_channel_filter dummy_filter = {StartTransportStreamOp,
393                                                  StartTransportOp,
394                                                  0,
395                                                  InitCallElem,
396                                                  SetPollsetOrPollsetSet,
397                                                  DestroyCallElem,
398                                                  0,
399                                                  InitChannelElem,
400                                                  DestroyChannelElem,
401                                                  GetChannelInfo,
402                                                  "dummy_filter"};
403 
404 }  // namespace dummy_filter
405 
406 namespace dummy_transport {
407 
408 /* Memory required for a single stream element - this is allocated by upper
409    layers and initialized by the transport */
410 size_t sizeof_stream; /* = sizeof(transport stream) */
411 
412 /* name of this transport implementation */
413 const char* name;
414 
415 /* implementation of grpc_transport_init_stream */
InitStream(grpc_transport * self,grpc_stream * stream,grpc_stream_refcount * refcount,const void * server_data,gpr_arena * arena)416 int InitStream(grpc_transport* self, grpc_stream* stream,
417                grpc_stream_refcount* refcount, const void* server_data,
418                gpr_arena* arena) {
419   return 0;
420 }
421 
422 /* implementation of grpc_transport_set_pollset */
SetPollset(grpc_transport * self,grpc_stream * stream,grpc_pollset * pollset)423 void SetPollset(grpc_transport* self, grpc_stream* stream,
424                 grpc_pollset* pollset) {}
425 
426 /* implementation of grpc_transport_set_pollset */
SetPollsetSet(grpc_transport * self,grpc_stream * stream,grpc_pollset_set * pollset_set)427 void SetPollsetSet(grpc_transport* self, grpc_stream* stream,
428                    grpc_pollset_set* pollset_set) {}
429 
430 /* implementation of grpc_transport_perform_stream_op */
PerformStreamOp(grpc_transport * self,grpc_stream * stream,grpc_transport_stream_op_batch * op)431 void PerformStreamOp(grpc_transport* self, grpc_stream* stream,
432                      grpc_transport_stream_op_batch* op) {
433   GRPC_CLOSURE_SCHED(op->on_complete, GRPC_ERROR_NONE);
434 }
435 
436 /* implementation of grpc_transport_perform_op */
PerformOp(grpc_transport * self,grpc_transport_op * op)437 void PerformOp(grpc_transport* self, grpc_transport_op* op) {}
438 
439 /* implementation of grpc_transport_destroy_stream */
DestroyStream(grpc_transport * self,grpc_stream * stream,grpc_closure * then_sched_closure)440 void DestroyStream(grpc_transport* self, grpc_stream* stream,
441                    grpc_closure* then_sched_closure) {}
442 
443 /* implementation of grpc_transport_destroy */
Destroy(grpc_transport * self)444 void Destroy(grpc_transport* self) {}
445 
446 /* implementation of grpc_transport_get_endpoint */
GetEndpoint(grpc_transport * self)447 grpc_endpoint* GetEndpoint(grpc_transport* self) { return nullptr; }
448 
449 static const grpc_transport_vtable dummy_transport_vtable = {
450     0,          "dummy_http2", InitStream,
451     SetPollset, SetPollsetSet, PerformStreamOp,
452     PerformOp,  DestroyStream, Destroy,
453     GetEndpoint};
454 
455 static grpc_transport dummy_transport = {&dummy_transport_vtable};
456 
457 }  // namespace dummy_transport
458 
459 class NoOp {
460  public:
461   class Op {
462    public:
Op(NoOp * p,grpc_call_stack * s)463     Op(NoOp* p, grpc_call_stack* s) {}
Finish()464     void Finish() {}
465   };
466 };
467 
468 class SendEmptyMetadata {
469  public:
SendEmptyMetadata()470   SendEmptyMetadata() {
471     memset(&op_, 0, sizeof(op_));
472     op_.on_complete = GRPC_CLOSURE_INIT(&closure_, DoNothing, nullptr,
473                                         grpc_schedule_on_exec_ctx);
474     op_.send_initial_metadata = true;
475     op_.payload = &op_payload_;
476   }
477 
478   class Op {
479    public:
Op(SendEmptyMetadata * p,grpc_call_stack * s)480     Op(SendEmptyMetadata* p, grpc_call_stack* s) {
481       grpc_metadata_batch_init(&batch_);
482       p->op_payload_.send_initial_metadata.send_initial_metadata = &batch_;
483     }
Finish()484     void Finish() { grpc_metadata_batch_destroy(&batch_); }
485 
486    private:
487     grpc_metadata_batch batch_;
488   };
489 
490  private:
491   const gpr_timespec deadline_ = gpr_inf_future(GPR_CLOCK_MONOTONIC);
492   const gpr_timespec start_time_ = gpr_now(GPR_CLOCK_MONOTONIC);
493   const grpc_slice method_ = grpc_slice_from_static_string("/foo/bar");
494   grpc_transport_stream_op_batch op_;
495   grpc_transport_stream_op_batch_payload op_payload_;
496   grpc_closure closure_;
497 };
498 
499 // Test a filter in isolation. Fixture specifies the filter under test (use the
500 // Fixture<> template to specify this), and TestOp defines some unit of work to
501 // perform on said filter.
502 template <class Fixture, class TestOp>
BM_IsolatedFilter(benchmark::State & state)503 static void BM_IsolatedFilter(benchmark::State& state) {
504   TrackCounters track_counters;
505   Fixture fixture;
506   std::ostringstream label;
507 
508   std::vector<grpc_arg> args;
509   FakeClientChannelFactory fake_client_channel_factory;
510   args.push_back(grpc_client_channel_factory_create_channel_arg(
511       &fake_client_channel_factory));
512   args.push_back(StringArg(GRPC_ARG_SERVER_URI, "localhost"));
513 
514   grpc_channel_args channel_args = {args.size(), &args[0]};
515 
516   std::vector<const grpc_channel_filter*> filters;
517   if (fixture.filter != nullptr) {
518     filters.push_back(fixture.filter);
519   }
520   if (fixture.flags & CHECKS_NOT_LAST) {
521     filters.push_back(&dummy_filter::dummy_filter);
522     label << " #has_dummy_filter";
523   }
524 
525   grpc_core::ExecCtx exec_ctx;
526   size_t channel_size = grpc_channel_stack_size(
527       filters.size() == 0 ? nullptr : &filters[0], filters.size());
528   grpc_channel_stack* channel_stack =
529       static_cast<grpc_channel_stack*>(gpr_zalloc(channel_size));
530   GPR_ASSERT(GRPC_LOG_IF_ERROR(
531       "channel_stack_init",
532       grpc_channel_stack_init(1, FilterDestroy, channel_stack, &filters[0],
533                               filters.size(), &channel_args,
534                               fixture.flags & REQUIRES_TRANSPORT
535                                   ? &dummy_transport::dummy_transport
536                                   : nullptr,
537                               "CHANNEL", channel_stack)));
538   grpc_core::ExecCtx::Get()->Flush();
539   grpc_call_stack* call_stack =
540       static_cast<grpc_call_stack*>(gpr_zalloc(channel_stack->call_stack_size));
541   grpc_millis deadline = GRPC_MILLIS_INF_FUTURE;
542   gpr_timespec start_time = gpr_now(GPR_CLOCK_MONOTONIC);
543   grpc_slice method = grpc_slice_from_static_string("/foo/bar");
544   grpc_call_final_info final_info;
545   TestOp test_op_data;
546   grpc_call_element_args call_args;
547   call_args.call_stack = call_stack;
548   call_args.server_transport_data = nullptr;
549   call_args.context = nullptr;
550   call_args.path = method;
551   call_args.start_time = start_time;
552   call_args.deadline = deadline;
553   const int kArenaSize = 4096;
554   call_args.arena = gpr_arena_create(kArenaSize);
555   while (state.KeepRunning()) {
556     GPR_TIMER_SCOPE("BenchmarkCycle", 0);
557     GRPC_ERROR_UNREF(
558         grpc_call_stack_init(channel_stack, 1, DoNothing, nullptr, &call_args));
559     typename TestOp::Op op(&test_op_data, call_stack);
560     grpc_call_stack_destroy(call_stack, &final_info, nullptr);
561     op.Finish();
562     grpc_core::ExecCtx::Get()->Flush();
563     // recreate arena every 64k iterations to avoid oom
564     if (0 == (state.iterations() & 0xffff)) {
565       gpr_arena_destroy(call_args.arena);
566       call_args.arena = gpr_arena_create(kArenaSize);
567     }
568   }
569   gpr_arena_destroy(call_args.arena);
570   grpc_channel_stack_destroy(channel_stack);
571 
572   gpr_free(channel_stack);
573   gpr_free(call_stack);
574 
575   state.SetLabel(label.str());
576   track_counters.Finish(state);
577 }
578 
579 typedef Fixture<nullptr, 0> NoFilter;
580 BENCHMARK_TEMPLATE(BM_IsolatedFilter, NoFilter, NoOp);
581 typedef Fixture<&dummy_filter::dummy_filter, 0> DummyFilter;
582 BENCHMARK_TEMPLATE(BM_IsolatedFilter, DummyFilter, NoOp);
583 BENCHMARK_TEMPLATE(BM_IsolatedFilter, DummyFilter, SendEmptyMetadata);
584 typedef Fixture<&grpc_client_channel_filter, 0> ClientChannelFilter;
585 BENCHMARK_TEMPLATE(BM_IsolatedFilter, ClientChannelFilter, NoOp);
586 typedef Fixture<&grpc_message_compress_filter, CHECKS_NOT_LAST> CompressFilter;
587 BENCHMARK_TEMPLATE(BM_IsolatedFilter, CompressFilter, NoOp);
588 BENCHMARK_TEMPLATE(BM_IsolatedFilter, CompressFilter, SendEmptyMetadata);
589 typedef Fixture<&grpc_client_deadline_filter, CHECKS_NOT_LAST>
590     ClientDeadlineFilter;
591 BENCHMARK_TEMPLATE(BM_IsolatedFilter, ClientDeadlineFilter, NoOp);
592 BENCHMARK_TEMPLATE(BM_IsolatedFilter, ClientDeadlineFilter, SendEmptyMetadata);
593 typedef Fixture<&grpc_server_deadline_filter, CHECKS_NOT_LAST>
594     ServerDeadlineFilter;
595 BENCHMARK_TEMPLATE(BM_IsolatedFilter, ServerDeadlineFilter, NoOp);
596 BENCHMARK_TEMPLATE(BM_IsolatedFilter, ServerDeadlineFilter, SendEmptyMetadata);
597 typedef Fixture<&grpc_http_client_filter, CHECKS_NOT_LAST | REQUIRES_TRANSPORT>
598     HttpClientFilter;
599 BENCHMARK_TEMPLATE(BM_IsolatedFilter, HttpClientFilter, NoOp);
600 BENCHMARK_TEMPLATE(BM_IsolatedFilter, HttpClientFilter, SendEmptyMetadata);
601 typedef Fixture<&grpc_http_server_filter, CHECKS_NOT_LAST> HttpServerFilter;
602 BENCHMARK_TEMPLATE(BM_IsolatedFilter, HttpServerFilter, NoOp);
603 BENCHMARK_TEMPLATE(BM_IsolatedFilter, HttpServerFilter, SendEmptyMetadata);
604 typedef Fixture<&grpc_message_size_filter, CHECKS_NOT_LAST> MessageSizeFilter;
605 BENCHMARK_TEMPLATE(BM_IsolatedFilter, MessageSizeFilter, NoOp);
606 BENCHMARK_TEMPLATE(BM_IsolatedFilter, MessageSizeFilter, SendEmptyMetadata);
607 // This cmake target is disabled for now because it depends on OpenCensus, which
608 // is Bazel-only.
609 // typedef Fixture<&grpc_server_load_reporting_filter, CHECKS_NOT_LAST>
610 //    LoadReportingFilter;
611 // BENCHMARK_TEMPLATE(BM_IsolatedFilter, LoadReportingFilter, NoOp);
612 // BENCHMARK_TEMPLATE(BM_IsolatedFilter, LoadReportingFilter,
613 // SendEmptyMetadata);
614 
615 ////////////////////////////////////////////////////////////////////////////////
616 // Benchmarks isolating grpc_call
617 
618 namespace isolated_call_filter {
619 
620 typedef struct {
621   grpc_call_combiner* call_combiner;
622 } call_data;
623 
StartTransportStreamOp(grpc_call_element * elem,grpc_transport_stream_op_batch * op)624 static void StartTransportStreamOp(grpc_call_element* elem,
625                                    grpc_transport_stream_op_batch* op) {
626   call_data* calld = static_cast<call_data*>(elem->call_data);
627   // Construct list of closures to return.
628   grpc_core::CallCombinerClosureList closures;
629   if (op->recv_initial_metadata) {
630     closures.Add(op->payload->recv_initial_metadata.recv_initial_metadata_ready,
631                  GRPC_ERROR_NONE, "recv_initial_metadata");
632   }
633   if (op->recv_message) {
634     closures.Add(op->payload->recv_message.recv_message_ready, GRPC_ERROR_NONE,
635                  "recv_message");
636   }
637   if (op->recv_trailing_metadata) {
638     closures.Add(
639         op->payload->recv_trailing_metadata.recv_trailing_metadata_ready,
640         GRPC_ERROR_NONE, "recv_trailing_metadata");
641   }
642   if (op->on_complete != nullptr) {
643     closures.Add(op->on_complete, GRPC_ERROR_NONE, "on_complete");
644   }
645   // Execute closures.
646   closures.RunClosures(calld->call_combiner);
647 }
648 
StartTransportOp(grpc_channel_element * elem,grpc_transport_op * op)649 static void StartTransportOp(grpc_channel_element* elem,
650                              grpc_transport_op* op) {
651   if (op->disconnect_with_error != GRPC_ERROR_NONE) {
652     GRPC_ERROR_UNREF(op->disconnect_with_error);
653   }
654   GRPC_CLOSURE_SCHED(op->on_consumed, GRPC_ERROR_NONE);
655 }
656 
InitCallElem(grpc_call_element * elem,const grpc_call_element_args * args)657 static grpc_error* InitCallElem(grpc_call_element* elem,
658                                 const grpc_call_element_args* args) {
659   call_data* calld = static_cast<call_data*>(elem->call_data);
660   calld->call_combiner = args->call_combiner;
661   return GRPC_ERROR_NONE;
662 }
663 
SetPollsetOrPollsetSet(grpc_call_element * elem,grpc_polling_entity * pollent)664 static void SetPollsetOrPollsetSet(grpc_call_element* elem,
665                                    grpc_polling_entity* pollent) {}
666 
DestroyCallElem(grpc_call_element * elem,const grpc_call_final_info * final_info,grpc_closure * then_sched_closure)667 static void DestroyCallElem(grpc_call_element* elem,
668                             const grpc_call_final_info* final_info,
669                             grpc_closure* then_sched_closure) {
670   GRPC_CLOSURE_SCHED(then_sched_closure, GRPC_ERROR_NONE);
671 }
672 
InitChannelElem(grpc_channel_element * elem,grpc_channel_element_args * args)673 grpc_error* InitChannelElem(grpc_channel_element* elem,
674                             grpc_channel_element_args* args) {
675   return GRPC_ERROR_NONE;
676 }
677 
DestroyChannelElem(grpc_channel_element * elem)678 void DestroyChannelElem(grpc_channel_element* elem) {}
679 
GetChannelInfo(grpc_channel_element * elem,const grpc_channel_info * channel_info)680 void GetChannelInfo(grpc_channel_element* elem,
681                     const grpc_channel_info* channel_info) {}
682 
683 static const grpc_channel_filter isolated_call_filter = {
684     StartTransportStreamOp,
685     StartTransportOp,
686     sizeof(call_data),
687     InitCallElem,
688     SetPollsetOrPollsetSet,
689     DestroyCallElem,
690     0,
691     InitChannelElem,
692     DestroyChannelElem,
693     GetChannelInfo,
694     "isolated_call_filter"};
695 }  // namespace isolated_call_filter
696 
697 class IsolatedCallFixture : public TrackCounters {
698  public:
IsolatedCallFixture()699   IsolatedCallFixture() {
700     grpc_channel_stack_builder* builder = grpc_channel_stack_builder_create();
701     grpc_channel_stack_builder_set_name(builder, "dummy");
702     grpc_channel_stack_builder_set_target(builder, "dummy_target");
703     GPR_ASSERT(grpc_channel_stack_builder_append_filter(
704         builder, &isolated_call_filter::isolated_call_filter, nullptr,
705         nullptr));
706     {
707       grpc_core::ExecCtx exec_ctx;
708       channel_ = grpc_channel_create_with_builder(builder, GRPC_CLIENT_CHANNEL);
709     }
710     cq_ = grpc_completion_queue_create_for_next(nullptr);
711   }
712 
Finish(benchmark::State & state)713   void Finish(benchmark::State& state) {
714     grpc_completion_queue_destroy(cq_);
715     grpc_channel_destroy(channel_);
716     TrackCounters::Finish(state);
717   }
718 
channel() const719   grpc_channel* channel() const { return channel_; }
cq() const720   grpc_completion_queue* cq() const { return cq_; }
721 
722  private:
723   grpc_completion_queue* cq_;
724   grpc_channel* channel_;
725 };
726 
BM_IsolatedCall_NoOp(benchmark::State & state)727 static void BM_IsolatedCall_NoOp(benchmark::State& state) {
728   IsolatedCallFixture fixture;
729   gpr_timespec deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC);
730   void* method_hdl = grpc_channel_register_call(fixture.channel(), "/foo/bar",
731                                                 nullptr, nullptr);
732   while (state.KeepRunning()) {
733     GPR_TIMER_SCOPE("BenchmarkCycle", 0);
734     grpc_call_unref(grpc_channel_create_registered_call(
735         fixture.channel(), nullptr, GRPC_PROPAGATE_DEFAULTS, fixture.cq(),
736         method_hdl, deadline, nullptr));
737   }
738   fixture.Finish(state);
739 }
740 BENCHMARK(BM_IsolatedCall_NoOp);
741 
BM_IsolatedCall_Unary(benchmark::State & state)742 static void BM_IsolatedCall_Unary(benchmark::State& state) {
743   IsolatedCallFixture fixture;
744   gpr_timespec deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC);
745   void* method_hdl = grpc_channel_register_call(fixture.channel(), "/foo/bar",
746                                                 nullptr, nullptr);
747   grpc_slice slice = grpc_slice_from_static_string("hello world");
748   grpc_byte_buffer* send_message = grpc_raw_byte_buffer_create(&slice, 1);
749   grpc_byte_buffer* recv_message = nullptr;
750   grpc_status_code status_code;
751   grpc_slice status_details = grpc_empty_slice();
752   grpc_metadata_array recv_initial_metadata;
753   grpc_metadata_array_init(&recv_initial_metadata);
754   grpc_metadata_array recv_trailing_metadata;
755   grpc_metadata_array_init(&recv_trailing_metadata);
756   grpc_op ops[6];
757   memset(ops, 0, sizeof(ops));
758   ops[0].op = GRPC_OP_SEND_INITIAL_METADATA;
759   ops[1].op = GRPC_OP_SEND_MESSAGE;
760   ops[1].data.send_message.send_message = send_message;
761   ops[2].op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
762   ops[3].op = GRPC_OP_RECV_INITIAL_METADATA;
763   ops[3].data.recv_initial_metadata.recv_initial_metadata =
764       &recv_initial_metadata;
765   ops[4].op = GRPC_OP_RECV_MESSAGE;
766   ops[4].data.recv_message.recv_message = &recv_message;
767   ops[5].op = GRPC_OP_RECV_STATUS_ON_CLIENT;
768   ops[5].data.recv_status_on_client.status = &status_code;
769   ops[5].data.recv_status_on_client.status_details = &status_details;
770   ops[5].data.recv_status_on_client.trailing_metadata = &recv_trailing_metadata;
771   while (state.KeepRunning()) {
772     GPR_TIMER_SCOPE("BenchmarkCycle", 0);
773     grpc_call* call = grpc_channel_create_registered_call(
774         fixture.channel(), nullptr, GRPC_PROPAGATE_DEFAULTS, fixture.cq(),
775         method_hdl, deadline, nullptr);
776     grpc_call_start_batch(call, ops, 6, tag(1), nullptr);
777     grpc_completion_queue_next(fixture.cq(),
778                                gpr_inf_future(GPR_CLOCK_MONOTONIC), nullptr);
779     grpc_call_unref(call);
780   }
781   fixture.Finish(state);
782   grpc_metadata_array_destroy(&recv_initial_metadata);
783   grpc_metadata_array_destroy(&recv_trailing_metadata);
784   grpc_byte_buffer_destroy(send_message);
785 }
786 BENCHMARK(BM_IsolatedCall_Unary);
787 
BM_IsolatedCall_StreamingSend(benchmark::State & state)788 static void BM_IsolatedCall_StreamingSend(benchmark::State& state) {
789   IsolatedCallFixture fixture;
790   gpr_timespec deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC);
791   void* method_hdl = grpc_channel_register_call(fixture.channel(), "/foo/bar",
792                                                 nullptr, nullptr);
793   grpc_slice slice = grpc_slice_from_static_string("hello world");
794   grpc_byte_buffer* send_message = grpc_raw_byte_buffer_create(&slice, 1);
795   grpc_metadata_array recv_initial_metadata;
796   grpc_metadata_array_init(&recv_initial_metadata);
797   grpc_metadata_array recv_trailing_metadata;
798   grpc_metadata_array_init(&recv_trailing_metadata);
799   grpc_op ops[2];
800   memset(ops, 0, sizeof(ops));
801   ops[0].op = GRPC_OP_SEND_INITIAL_METADATA;
802   ops[1].op = GRPC_OP_RECV_INITIAL_METADATA;
803   ops[1].data.recv_initial_metadata.recv_initial_metadata =
804       &recv_initial_metadata;
805   grpc_call* call = grpc_channel_create_registered_call(
806       fixture.channel(), nullptr, GRPC_PROPAGATE_DEFAULTS, fixture.cq(),
807       method_hdl, deadline, nullptr);
808   grpc_call_start_batch(call, ops, 2, tag(1), nullptr);
809   grpc_completion_queue_next(fixture.cq(), gpr_inf_future(GPR_CLOCK_MONOTONIC),
810                              nullptr);
811   memset(ops, 0, sizeof(ops));
812   ops[0].op = GRPC_OP_SEND_MESSAGE;
813   ops[0].data.send_message.send_message = send_message;
814   while (state.KeepRunning()) {
815     GPR_TIMER_SCOPE("BenchmarkCycle", 0);
816     grpc_call_start_batch(call, ops, 1, tag(2), nullptr);
817     grpc_completion_queue_next(fixture.cq(),
818                                gpr_inf_future(GPR_CLOCK_MONOTONIC), nullptr);
819   }
820   grpc_call_unref(call);
821   fixture.Finish(state);
822   grpc_metadata_array_destroy(&recv_initial_metadata);
823   grpc_metadata_array_destroy(&recv_trailing_metadata);
824   grpc_byte_buffer_destroy(send_message);
825 }
826 BENCHMARK(BM_IsolatedCall_StreamingSend);
827 
828 // Some distros have RunSpecifiedBenchmarks under the benchmark namespace,
829 // and others do not. This allows us to support both modes.
830 namespace benchmark {
RunTheBenchmarksNamespaced()831 void RunTheBenchmarksNamespaced() { RunSpecifiedBenchmarks(); }
832 }  // namespace benchmark
833 
main(int argc,char ** argv)834 int main(int argc, char** argv) {
835   ::benchmark::Initialize(&argc, argv);
836   ::grpc::testing::InitTest(&argc, &argv, false);
837   benchmark::RunTheBenchmarksNamespaced();
838   return 0;
839 }
840