mirror of
https://github.com/esphome/esphome.git
synced 2026-07-11 01:15:33 +00:00
J. Nick Koston
38ff332fec
Add automated benchmarks using Google Benchmark to prevent performance regressions in the API protobuf encoding/decoding and core loop paths. Benchmarks cover: - Protobuf encode: SensorState, BinarySensorState, HelloResponse, LightState, DeviceInfoResponse (20 nested devices + 20 areas) - Protobuf decode: HelloRequest, SwitchCommand, LightCommand - Protobuf calculate_size and full calc+encode send path - Varint parse/encode/size for various value ranges - Scheduler call/next_schedule_in with idle and active timers - Application loop component dispatch and blocking guard overhead Infrastructure: - Extract shared build logic from cpp_unit_test.py into test_helpers.py - Add cpp_benchmark.py mirroring the unit test build pattern - Support benchmark.yaml per component dir for declaring dependencies - Add CodSpeed CI workflow triggered on api/core changes - Fix ProtoMessage protected destructor on host platform
120 lines
3.0 KiB
C++
120 lines
3.0 KiB
C++
#include <benchmark/benchmark.h>
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#include "esphome/components/api/api_pb2.h"
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#include "esphome/components/api/api_buffer.h"
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namespace esphome::api::benchmarks {
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// --- HelloRequest decode (string + varint fields) ---
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static void BM_Decode_HelloRequest(benchmark::State &state) {
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// Manually encoded HelloRequest:
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// field 1 (string): "aioesphomeapi"
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// field 2 (varint): 1 (api_version_major)
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// field 3 (varint): 10 (api_version_minor)
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uint8_t encoded[] = {
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0x0A, 0x0D, // field 1, length 13
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'a', 'i', 'o', 'e', 's', 'p', 'h', 'o', 'm', 'e', 'a', 'p', 'i', // "aioesphomeapi"
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0x10, 0x01, // field 2, value 1
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0x18, 0x0A, // field 3, value 10
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};
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for (auto _ : state) {
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HelloRequest msg;
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msg.decode(encoded, sizeof(encoded));
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benchmark::DoNotOptimize(msg.api_version_major);
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}
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}
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BENCHMARK(BM_Decode_HelloRequest);
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// --- SwitchCommandRequest decode (simple command) ---
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static void BM_Decode_SwitchCommandRequest(benchmark::State &state) {
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// field 1 (fixed32): key = 0x12345678
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// field 2 (varint): state = true
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uint8_t encoded[] = {
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0x0D, 0x78, 0x56, 0x34, 0x12, // field 1, fixed32
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0x10, 0x01, // field 2, varint true
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};
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for (auto _ : state) {
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SwitchCommandRequest msg;
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msg.decode(encoded, sizeof(encoded));
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benchmark::DoNotOptimize(msg.state);
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}
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}
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BENCHMARK(BM_Decode_SwitchCommandRequest);
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// --- LightCommandRequest decode (complex command with many fields) ---
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static void BM_Decode_LightCommandRequest(benchmark::State &state) {
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uint8_t encoded[] = {
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// field 1: key (fixed32) = 0x11223344
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0x0D,
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0x44,
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0x33,
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0x22,
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0x11,
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// field 2: has_state (varint) = true
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0x10,
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0x01,
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// field 3: state (varint) = true
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0x18,
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0x01,
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// field 4: has_brightness (varint) = true
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0x20,
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0x01,
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// field 5: brightness (fixed32/float) = 0.8
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0x2D,
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0xCD,
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0xCC,
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0x4C,
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0x3F,
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// field 9: has_rgb (varint) = true
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0x48,
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0x01,
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// field 10: red (fixed32/float) = 1.0
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0x55,
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0x00,
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0x00,
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0x80,
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0x3F,
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// field 11: green (fixed32/float) = 0.5
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0x5D,
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0x00,
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0x00,
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0x00,
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0x3F,
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// field 12: blue (fixed32/float) = 0.2
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0x65,
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0xCD,
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0xCC,
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0x4C,
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0x3E,
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// field 20: has_effect (varint) = true
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0xA0,
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0x01,
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0x01,
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// field 21: effect (string) = "rainbow"
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0xAA,
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0x01,
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0x07,
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'r',
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'a',
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'i',
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'n',
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'b',
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'o',
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'w',
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};
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for (auto _ : state) {
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LightCommandRequest msg;
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msg.decode(encoded, sizeof(encoded));
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benchmark::DoNotOptimize(msg.brightness);
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}
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}
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BENCHMARK(BM_Decode_LightCommandRequest);
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} // namespace esphome::api::benchmarks
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