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@bennegeek Measure What Matters with Jetpack Benchmark JB Lorenzo | #droidconUK

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@bennegeek

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@bennegeek

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@bennegeek

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@bennegeek Benchmark 1.0.0-beta01 October 9, 2019 alpha01 on May 7

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@bennegeek Benchmark 1.0.0-rc01 October 23, 2019 alpha01 on May 7

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@bennegeek From alpha06 to beta01 to rc01 * Run GC each warmup to reduce leak * Added lint dependency * Use additionalTestOutputDir * Fix undetected clock frequency

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@bennegeek From alpha02 to alpha06 * Auto disables test coverage * AndroidBenchmarkRunner by default * Module structure changed to decouple JUnit4 * Change in package name * Documentation for CI integration

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@bennegeek Documentation for CI Integration https://developer.android.com/studio/profile/run-benchmarks-in-ci * Guidelines for benchmark without Gradle * Self-instrumented APK * Separate app and test APKs * Guidelines for CI * Important flags (e.g. lock clocks, json output)

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@bennegeek Setting up Android Studio 3.5 Beta npw.benchmark.template.module=true

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@bennegeek Setting up

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@bennegeek Setting up your.package.name.

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@bennegeek Setting up dependencies { androidTestImplementation “androidx.benchmark:benchmark:1.0.0-alpha06" }

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@bennegeek Setting up

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@bennegeek Let’s measure!

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@bennegeek Let’s measure! @Test fun benchmarkGsonWithSample1() { benchmarkRule.measureRepeated { gsonParser.parseSample1() } }

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@bennegeek Let’s measure! (UI) @UiThreadTest @Test fun homeList() { var activity = activityRule.activity val fragment = activity.supportFragmentManager.fragments .first { it is HomepageAdsListFragment } as Homepage AdsListFragment val recyclerView = fragment.mainList benchmarkRule.measureRepeated { recyclerView.scrollBy(0, maxScroll) } }

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@bennegeek @mootazltaief

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@bennegeek @mootazltaief

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@bennegeek Firebase Test Lab Amazon EC2 + Emulator Your Own Device Farm

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@bennegeek Firebase Test Lab Amazon EC2 + Emulator Your Own Device Farm

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@bennegeek Firebase Test Lab Amazon EC2 + Emulator Your Own Device Farm

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@bennegeek Amazon EC2 + Emulator AWS: * Does not allow nested VM * Need to run bare-Metal instance to run emulator Emulator: * Not advised for benchmarks Other cloud providers: * has support for nested VM

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@bennegeek Integrating in Gitlab CI // benchmark/build.gradle apply plugin: androidx.benchmark // if device/emulator is connected to CI > ./gradlew benchmark:connectedCheck

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@bennegeek Integrating in Gitlab CI { "context": { "build": { "device": "generic_x86_64", "fingerprint": "google/sdk_gphone_x86_64/generic_x86_64:9/PSR1.180720.075/5124027:userdebug/dev-keys", "model": "Android SDK built for x86_64", "version": { "sdk": 28 } }, "cpuLocked": false, "sustainedPerformanceModeEnabled": false }, "benchmarks": [ { "name": "EMULATOR_UNLOCKED_benchmarkJacksonWithSample1", "className": "benchmark.JsonBenchmark", "metrics": { "timeNs": { "minimum": 94500, "maximum": 692250, "median": 138375, "runs": [ 96500,

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@bennegeek Integrating in Gitlab CI { "context": { "build": { "device": "generic_x86_64", "fingerprint": "google/sdk_gphone_x86_64/generic_x86_64:9/PSR1.180720.075/5124027:userdebug/dev-keys", "model": "Android SDK built for x86_64", "version": { "sdk": 28 } }, "cpuLocked": false, "sustainedPerformanceModeEnabled": false }, "benchmarks": [ { "name": "EMULATOR_UNLOCKED_benchmarkJacksonWithSample1", "className": "benchmark.JsonBenchmark", "metrics": { "timeNs": { "minimum": 94500, "maximum": 692250, "median": 138375, "runs": [ 96500,

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@bennegeek Integrating in Gitlab CI { "context": { "build": { "device": "generic_x86_64", "fingerprint": "google/sdk_gphone_x86_64/generic_x86_64:9/PSR1.180720.075/5124027:userdebug/dev-keys", "model": "Android SDK built for x86_64", "version": { "sdk": 28 } }, "cpuLocked": false, "sustainedPerformanceModeEnabled": false }, "benchmarks": [ { "name": "EMULATOR_UNLOCKED_benchmarkJacksonWithSample1", "className": "benchmark.JsonBenchmark", "metrics": { "timeNs": { "minimum": 94500, "maximum": 692250, "median": 138375, "runs": [ 96500,

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@bennegeek Integrating in Gitlab CI { "context": { "build": { "device": "generic_x86_64", "fingerprint": "google/sdk_gphone_x86_64/generic_x86_64:9/PSR1.180720.075/5124027:userdebug/dev-keys", "model": "Android SDK built for x86_64", "version": { "sdk": 28 } }, "cpuLocked": false, "sustainedPerformanceModeEnabled": false }, "benchmarks": [ { "name": "EMULATOR_UNLOCKED_benchmarkJacksonWithSample1", "className": "benchmark.JsonBenchmark", "metrics": { "timeNs": { "minimum": 94500, "maximum": 692250, "median": 138375, "runs": [ 96500, 95250, ...

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@bennegeek Integrating in Gitlab CI { "context": { "build": { "device": "generic_x86_64", "fingerprint": "google/sdk_gphone_x86_64/generic_x86_64:9/PSR1.180720.075/5124027:userdebug/dev-keys", "model": "Android SDK built for x86_64", "version": { "sdk": 28 } }, "cpuLocked": false, "sustainedPerformanceModeEnabled": false }, "benchmarks": [ { "name": "EMULATOR_UNLOCKED_benchmarkJacksonWithSample1", "className": "benchmark.JsonBenchmark", "metrics": { "timeNs": { "minimum": 94500, "maximum": 692250, "median": 138375, "runs": [ 96500,

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@bennegeek Benchmark Warnings

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@bennegeek Benchmark Warnings

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@bennegeek Benchmark Warnings

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@bennegeek Benchmark Warnings

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@bennegeek Benchmark Warnings

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@bennegeek Benchmark Warnings

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@bennegeek Benchmark Warnings

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@bennegeek Benchmark Warnings

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@bennegeek Benchmark Warnings

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@bennegeek Benchmark Warnings

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@bennegeek Firebase Test Lab Amazon EC2 + Emulator Your Own Device Farm

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@bennegeek Firebase Test Lab Amazon EC2 + Emulator Your Own Device Farm

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@bennegeek Firebase Test Lab Integration with CI Firebase Test Lab * Problems when running test with mocked network * $5/device/hour after Free tier * Need to configure gcloud in CI * Fetch results in google cloud storage

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@bennegeek Firebase Test Lab Integration with CI Firebase Test Lab How to get the json output from test lab?

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@bennegeek Gitlab CI

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@bennegeek Gitlab CI

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@bennegeek Gitlab CI #!/bin/sh cat benchmark/build/benchmark_reports/*/*.json | python -c ''' import sys, json; benchmarks = json.load(sys.stdin)["benchmarks"] medians = {v["name"] : v["metrics"]["timeNs"]["median"] for v in benchmarks} … '''

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@bennegeek Gitlab CI #!/bin/sh cat benchmark/build/benchmark_reports/*/*.json | python -c ''' import sys, json; benchmarks = json.load(sys.stdin)["benchmarks"] medians = {v["name"] : v["metrics"]["timeNs"]["median"] for v in benchmarks} … '''

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@bennegeek Gitlab CI #!/bin/sh cat benchmark/build/benchmark_reports/*/*.json | python -c ''' import sys, json; benchmarks = json.load(sys.stdin)["benchmarks"] medians = {v["name"] : v["metrics"]["timeNs"]["median"] for v in benchmarks} … '''

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@bennegeek Gitlab CI #!/bin/sh cat benchmark/build/benchmark_reports/*/*.json | python -c ''' import sys, json; benchmarks = json.load(sys.stdin)["benchmarks"] medians = {v["name"] : v["metrics"]["timeNs"]["median"] for v in benchmarks} … '''

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@bennegeek Gitlab CI PreviousBenchmark = 138375 Threshold = 0.10 if medians["benchmarkJacksonWithSample1"] > (PreviousBenchmark * Threshold): print("benchmarkJacksonWithSample1 is beyond threshold") exit(1)

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@bennegeek Output

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@bennegeek Output

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@bennegeek Output

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@bennegeek Next Steps * Separate app into modules * Mock more data for benchmarking * Try it out yourself

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@bennegeek Next Steps * Separate app into modules * Mock more data for benchmarking * Try it out yourself * Visit the issue tracker * File bugs

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@bennegeek tech.olx.com Example project (No OLX code): http://github.com/mootazltaief/ android-json-benchmark

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@bennegeek tech.olx.com https://issuetracker.google.com/ issues?q=componentid: 585351%20status:open

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@bennegeek tech.olx.com

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@bennegeek tech.olx.com https://medium.com/androiddevelopers/fighting-regressions-with-benchmarks-in-ci-6ea9a14b5c71

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Berlin Buenos Aires Lisbon New Delhi Poznan Dubai

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@bennegeek Thank you! Questions? Get in touch with us olxgroup.com tech.olx.com olxtechberlin jb.lorenzo@olx.com jblorenzo JB Lorenzo | #DroidconUK