[api] Add encode/decode benchmarks for Z-Wave, IR/RF, and serial proxy messages (#16157)

This commit is contained in:
J. Nick Koston
2026-04-30 19:14:20 -05:00
committed by GitHub
parent 45e78e4114
commit 148d478dec
6 changed files with 462 additions and 3 deletions
+11 -3
View File
@@ -11,11 +11,19 @@ def override_manifest(manifest: ComponentManifestOverride) -> None:
async def to_code(config):
await original_to_code(config)
# Enable BLE proto message types for benchmarks. The real
# bluetooth_proxy component is ESP32-only; a lightweight stub
# header in tests/benchmarks/stubs/ satisfies the include.
# Enable proxy proto message types for benchmarks. The real
# components have hardware dependencies (BLE/UART/RMT); lightweight
# stub headers in tests/benchmarks/stubs/ satisfy the includes.
cg.add_define("USE_BLUETOOTH_PROXY")
cg.add_define("BLUETOOTH_PROXY_MAX_CONNECTIONS", 3)
cg.add_define("BLUETOOTH_PROXY_ADVERTISEMENT_BATCH_SIZE", 16)
cg.add_define("USE_ZWAVE_PROXY")
cg.add_define("USE_INFRARED")
cg.add_define("USE_IR_RF")
cg.add_define("USE_RADIO_FREQUENCY")
cg.add_define("USE_SERIAL_PROXY")
cg.add_define("SERIAL_PROXY_COUNT", 0)
cg.add_define("ESPHOME_ENTITY_INFRARED_COUNT", 0)
cg.add_define("ESPHOME_ENTITY_RADIO_FREQUENCY_COUNT", 0)
manifest.to_code = to_code
@@ -0,0 +1,280 @@
// Encode/decode microbenchmarks for proxy message families that carry
// high-volume traffic (Z-Wave, IR/RF, serial). Mirrors the existing
// BluetoothLERawAdvertisementsResponse benchmarks in bench_proto_encode.cpp.
#include <benchmark/benchmark.h>
#include <cstring>
#include "esphome/components/api/api_pb2.h"
#include "esphome/components/api/api_buffer.h"
namespace esphome::api::benchmarks {
static constexpr int kInnerIterations = 2000;
// Encodes `src` into `out`. Caller owns `out` and must keep it alive across
// the decode loop (decoded messages may store pointers back into its bytes).
template<typename T> static void encode_into(APIBuffer &out, const T &src) {
out.resize(src.calculate_size());
ProtoWriteBuffer writer(&out, 0);
src.encode(writer);
}
// --- ZWaveProxyFrame (Z-Wave frame, ~16 bytes payload) ---
#ifdef USE_ZWAVE_PROXY
static const uint8_t kZWaveFrameData[] = {0x01, 0x09, 0x00, 0x13, 0x01, 0x02, 0x00, 0x00,
0x25, 0x00, 0x05, 0xC4, 0x00, 0x00, 0x00, 0x00};
static void Encode_ZWaveProxyFrame(benchmark::State &state) {
ZWaveProxyFrame msg;
msg.data = kZWaveFrameData;
msg.data_len = sizeof(kZWaveFrameData);
APIBuffer buffer;
buffer.resize(msg.calculate_size());
for (auto _ : state) {
for (int i = 0; i < kInnerIterations; i++) {
ProtoWriteBuffer writer(&buffer, 0);
msg.encode(writer);
}
benchmark::DoNotOptimize(buffer.data());
}
state.SetItemsProcessed(state.iterations() * kInnerIterations);
}
BENCHMARK(Encode_ZWaveProxyFrame);
static void Decode_ZWaveProxyFrame(benchmark::State &state) {
ZWaveProxyFrame source;
source.data = kZWaveFrameData;
source.data_len = sizeof(kZWaveFrameData);
APIBuffer encoded;
encode_into(encoded, source);
const uint8_t *data = encoded.data();
size_t size = encoded.size();
for (auto _ : state) {
for (int i = 0; i < kInnerIterations; i++) {
ZWaveProxyFrame msg;
msg.decode(data, size);
benchmark::DoNotOptimize(msg);
}
}
state.SetItemsProcessed(state.iterations() * kInnerIterations);
}
BENCHMARK(Decode_ZWaveProxyFrame);
static const uint8_t kZWaveRequestData[] = {0xDE, 0xAD, 0xBE, 0xEF};
static void Decode_ZWaveProxyRequest(benchmark::State &state) {
ZWaveProxyRequest source;
source.type = enums::ZWAVE_PROXY_REQUEST_TYPE_HOME_ID_CHANGE;
source.data = kZWaveRequestData;
source.data_len = sizeof(kZWaveRequestData);
APIBuffer encoded;
encode_into(encoded, source);
const uint8_t *data = encoded.data();
size_t size = encoded.size();
for (auto _ : state) {
for (int i = 0; i < kInnerIterations; i++) {
ZWaveProxyRequest msg;
msg.decode(data, size);
benchmark::DoNotOptimize(msg);
}
}
state.SetItemsProcessed(state.iterations() * kInnerIterations);
}
BENCHMARK(Decode_ZWaveProxyRequest);
#endif // USE_ZWAVE_PROXY
// --- SerialProxyDataReceived encode + SerialProxyWriteRequest decode ---
//
// SerialProxyWriteRequest is decode-only (SOURCE_CLIENT) but has the same
// wire layout as SerialProxyDataReceived, so we encode via the latter and
// decode as the former.
#ifdef USE_SERIAL_PROXY
static constexpr size_t kSerialPayloadSize = 64;
static const uint8_t kSerialPayload[kSerialPayloadSize] = {
0x55, 0xAA, 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0, 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB,
0xCD, 0xEF, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE,
0xFF, 0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70, 0x80, 0x90, 0xA0, 0xB0, 0xC0, 0xD0, 0xE0,
0xF0, 0x0F, 0x1F, 0x2F, 0x3F, 0x4F, 0x5F, 0x6F, 0x7F, 0x8F, 0x9F, 0xAF, 0xBF, 0xCF, 0xDF, 0xEF};
static void Encode_SerialProxyDataReceived(benchmark::State &state) {
SerialProxyDataReceived msg;
msg.instance = 0;
msg.set_data(kSerialPayload, kSerialPayloadSize);
APIBuffer buffer;
buffer.resize(msg.calculate_size());
for (auto _ : state) {
for (int i = 0; i < kInnerIterations; i++) {
ProtoWriteBuffer writer(&buffer, 0);
msg.encode(writer);
}
benchmark::DoNotOptimize(buffer.data());
}
state.SetItemsProcessed(state.iterations() * kInnerIterations);
}
BENCHMARK(Encode_SerialProxyDataReceived);
static void Decode_SerialProxyWriteRequest(benchmark::State &state) {
SerialProxyDataReceived source;
source.instance = 0;
source.set_data(kSerialPayload, kSerialPayloadSize);
APIBuffer encoded;
encode_into(encoded, source);
const uint8_t *data = encoded.data();
size_t size = encoded.size();
for (auto _ : state) {
for (int i = 0; i < kInnerIterations; i++) {
SerialProxyWriteRequest msg;
msg.decode(data, size);
benchmark::DoNotOptimize(msg);
}
}
state.SetItemsProcessed(state.iterations() * kInnerIterations);
}
BENCHMARK(Decode_SerialProxyWriteRequest);
#endif // USE_SERIAL_PROXY
// --- InfraredRFReceiveEvent encode (100 sint32 timings) +
// InfraredRFTransmitRawTimingsRequest decode (hand-built wire bytes) ---
#if defined(USE_IR_RF) || defined(USE_RADIO_FREQUENCY)
// Mark/space pairs simulating a typical RC-5 / NEC capture (100 timings).
static std::vector<int32_t> make_ir_timings_100() {
std::vector<int32_t> v;
v.reserve(100);
for (int i = 0; i < 100; i++) {
v.push_back((i % 2 == 0) ? 560 : -560);
}
return v;
}
static const std::vector<int32_t> &get_ir_timings_100() {
static const std::vector<int32_t> timings = make_ir_timings_100();
return timings;
}
static void Encode_InfraredRFReceiveEvent(benchmark::State &state) {
InfraredRFReceiveEvent msg;
msg.key = 0xDEADBEEF;
msg.timings = &get_ir_timings_100();
APIBuffer buffer;
buffer.resize(msg.calculate_size());
for (auto _ : state) {
for (int i = 0; i < kInnerIterations; i++) {
ProtoWriteBuffer writer(&buffer, 0);
msg.encode(writer);
}
benchmark::DoNotOptimize(buffer.data());
}
state.SetItemsProcessed(state.iterations() * kInnerIterations);
}
BENCHMARK(Encode_InfraredRFReceiveEvent);
static void CalculateSize_InfraredRFReceiveEvent(benchmark::State &state) {
InfraredRFReceiveEvent msg;
msg.key = 0xDEADBEEF;
msg.timings = &get_ir_timings_100();
for (auto _ : state) {
uint32_t result = 0;
for (int i = 0; i < kInnerIterations; i++) {
result += msg.calculate_size();
}
benchmark::DoNotOptimize(result);
}
state.SetItemsProcessed(state.iterations() * kInnerIterations);
}
BENCHMARK(CalculateSize_InfraredRFReceiveEvent);
// Hand-built wire bytes for InfraredRFTransmitRawTimingsRequest (decode-only,
// no sister message with identical wire layout).
// field 2 (key, fixed32): tag=0x15, 4 LE bytes
// field 3 (carrier_frequency): tag=0x18, varint
// field 4 (repeat_count): tag=0x20, varint
// field 5 (timings, packed sint32): tag=0x2A, length varint, packed payload
// field 6 (modulation): tag=0x30, varint
static APIBuffer build_infrared_rf_transmit_wire() {
uint8_t bytes[256];
size_t len = 0;
auto put_byte = [&](uint8_t b) { bytes[len++] = b; };
auto put_varint = [&](uint32_t v) {
while (v >= 0x80) {
bytes[len++] = static_cast<uint8_t>((v & 0x7F) | 0x80);
v >>= 7;
}
bytes[len++] = static_cast<uint8_t>(v);
};
auto encode_zigzag = [](int32_t v) -> uint32_t {
return (static_cast<uint32_t>(v) << 1) ^ static_cast<uint32_t>(v >> 31);
};
put_byte(0x15);
put_byte(0xEF);
put_byte(0xBE);
put_byte(0xAD);
put_byte(0xDE);
put_byte(0x18);
put_varint(38000);
put_byte(0x20);
put_varint(2);
uint8_t packed[200];
size_t packed_len = 0;
for (int i = 0; i < 100; i++) {
int32_t value = (i % 2 == 0) ? 560 : -560;
uint32_t zz = encode_zigzag(value);
while (zz >= 0x80) {
packed[packed_len++] = static_cast<uint8_t>((zz & 0x7F) | 0x80);
zz >>= 7;
}
packed[packed_len++] = static_cast<uint8_t>(zz);
}
put_byte(0x2A);
put_varint(static_cast<uint32_t>(packed_len));
std::memcpy(bytes + len, packed, packed_len);
len += packed_len;
// field 6: modulation = 1 (non-zero so it's actually emitted and exercises
// decode_varint for this field, matching the documented layout above).
put_byte(0x30);
put_varint(1);
APIBuffer buf;
buf.resize(len);
std::memcpy(buf.data(), bytes, len);
return buf;
}
static void Decode_InfraredRFTransmitRawTimingsRequest(benchmark::State &state) {
auto encoded = build_infrared_rf_transmit_wire();
const uint8_t *data = encoded.data();
size_t size = encoded.size();
for (auto _ : state) {
for (int i = 0; i < kInnerIterations; i++) {
InfraredRFTransmitRawTimingsRequest msg;
msg.decode(data, size);
benchmark::DoNotOptimize(msg);
}
}
state.SetItemsProcessed(state.iterations() * kInnerIterations);
}
BENCHMARK(Decode_InfraredRFTransmitRawTimingsRequest);
#endif // USE_IR_RF || USE_RADIO_FREQUENCY
} // namespace esphome::api::benchmarks
@@ -0,0 +1,45 @@
// Stub for benchmark builds — provides the minimal interface that
// api_connection.cpp and Application need when USE_INFRARED is defined,
// without pulling in the real remote_base/RMT dependencies.
#pragma once
#include <cstdint>
#include "esphome/core/component.h"
#include "esphome/core/entity_base.h"
namespace esphome::infrared {
class Infrared;
class InfraredCall {
public:
explicit InfraredCall(Infrared *parent) : parent_(parent) {}
InfraredCall &set_carrier_frequency(uint32_t /*frequency*/) { return *this; }
InfraredCall &set_raw_timings_packed(const uint8_t * /*data*/, uint16_t /*length*/, uint16_t /*count*/) {
return *this;
}
InfraredCall &set_repeat_count(uint32_t /*count*/) { return *this; }
void perform() {}
protected:
Infrared *parent_;
};
class InfraredTraits {
public:
uint32_t get_receiver_frequency_hz() const { return 0; }
};
class Infrared : public Component, public EntityBase {
public:
Infrared() = default;
InfraredTraits &get_traits() { return this->traits_; }
const InfraredTraits &get_traits() const { return this->traits_; }
InfraredCall make_call() { return InfraredCall(this); }
uint32_t get_capability_flags() const { return 0; }
protected:
InfraredTraits traits_;
};
} // namespace esphome::infrared
@@ -0,0 +1,51 @@
// Stub for benchmark builds — provides the minimal interface that
// api_connection.cpp and Application need when USE_RADIO_FREQUENCY is defined.
#pragma once
#include <cstdint>
#include "esphome/core/component.h"
#include "esphome/core/entity_base.h"
namespace esphome::radio_frequency {
enum RadioFrequencyModulation : uint32_t {
RADIO_FREQUENCY_MODULATION_OOK = 0,
};
class RadioFrequency;
class RadioFrequencyCall {
public:
explicit RadioFrequencyCall(RadioFrequency *parent) : parent_(parent) {}
RadioFrequencyCall &set_frequency(uint32_t /*frequency*/) { return *this; }
RadioFrequencyCall &set_modulation(RadioFrequencyModulation /*mod*/) { return *this; }
RadioFrequencyCall &set_repeat_count(uint32_t /*count*/) { return *this; }
RadioFrequencyCall &set_raw_timings_packed(const uint8_t * /*data*/, uint16_t /*length*/, uint16_t /*count*/) {
return *this;
}
void perform() {}
protected:
RadioFrequency *parent_;
};
class RadioFrequencyTraits {
public:
uint32_t get_frequency_min_hz() const { return 0; }
uint32_t get_frequency_max_hz() const { return 0; }
uint32_t get_supported_modulations() const { return 0; }
};
class RadioFrequency : public Component, public EntityBase {
public:
RadioFrequency() = default;
RadioFrequencyTraits &get_traits() { return this->traits_; }
const RadioFrequencyTraits &get_traits() const { return this->traits_; }
RadioFrequencyCall make_call() { return RadioFrequencyCall(this); }
uint32_t get_capability_flags() const { return 0; }
protected:
RadioFrequencyTraits traits_;
};
} // namespace esphome::radio_frequency
@@ -0,0 +1,46 @@
// Stub for benchmark builds — provides the minimal interface that
// api_connection.cpp and Application need when USE_SERIAL_PROXY is defined,
// without pulling in the real UART implementation.
#pragma once
#include <cstdint>
#include <cstddef>
#include "esphome/components/api/api_pb2.h"
namespace esphome {
namespace api {
class APIConnection;
} // namespace api
namespace uart {
enum class UARTFlushResult : uint8_t {
UART_FLUSH_RESULT_SUCCESS,
UART_FLUSH_RESULT_ASSUMED_SUCCESS,
UART_FLUSH_RESULT_TIMEOUT,
UART_FLUSH_RESULT_FAILED,
};
} // namespace uart
namespace serial_proxy {
class SerialProxy {
public:
void set_instance_index(uint32_t index) { this->instance_index_ = index; }
uint32_t get_instance_index() const { return this->instance_index_; }
const char *get_name() const { return ""; }
api::enums::SerialProxyPortType get_port_type() const { return {}; }
api::APIConnection *get_api_connection() { return nullptr; }
void serial_proxy_request(api::APIConnection *conn, api::enums::SerialProxyRequestType type) {}
void configure(uint32_t baudrate, bool flow_control, uint8_t parity, uint32_t stop_bits, uint32_t data_size) {}
void write_from_client(const uint8_t *data, size_t len) {}
void set_modem_pins(uint32_t line_states) {}
uint32_t get_modem_pins() const { return 0; }
uart::UARTFlushResult flush_port() { return uart::UARTFlushResult::UART_FLUSH_RESULT_SUCCESS; }
protected:
uint32_t instance_index_{0};
};
} // namespace serial_proxy
} // namespace esphome
@@ -0,0 +1,29 @@
// Stub for benchmark builds — provides the minimal interface that
// api_connection.cpp needs when USE_ZWAVE_PROXY is defined,
// without pulling in the real UART-based ZWaveProxy implementation.
#pragma once
#include "esphome/components/api/api_pb2.h"
namespace esphome {
namespace api {
class APIConnection;
} // namespace api
namespace zwave_proxy {
class ZWaveProxy {
public:
api::APIConnection *get_api_connection() { return nullptr; }
void zwave_proxy_request(api::APIConnection *conn, api::enums::ZWaveProxyRequestType type) {}
void send_frame(const uint8_t *data, size_t length) {}
void api_connection_authenticated(api::APIConnection *conn) {}
uint32_t get_feature_flags() const { return 0; }
uint32_t get_home_id() { return 0; }
};
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
extern ZWaveProxy *global_zwave_proxy;
} // namespace zwave_proxy
} // namespace esphome