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janicduplessis wants to merge 5 commits into from
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Improve OSS systrace #34252

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999f9a0
Improve OSS systrace
janicduplessis Jul 23, 2022
67ddab6
fix
janicduplessis Jul 23, 2022
686d0d8
Cleanup
janicduplessis Jul 23, 2022
d33a634
Fix buck
janicduplessis Jul 23, 2022
9fd0333
Fix hash
janicduplessis Jul 23, 2022
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1 change: 1 addition & 0 deletions ReactAndroid/build.gradle
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Expand Up@@ -376,6 +376,7 @@ dependencies {
api("androidx.appcompat:appcompat:${ANDROIDX_APPCOMPAT_VERSION}")
api("androidx.autofill:autofill:${ANDROIDX_AUTOFILL_VERSION}")
api("androidx.swiperefreshlayout:swiperefreshlayout:${SWIPEREFRESH_LAYOUT_VERSION}")
api("androidx.tracing:tracing:${ANDROIDX_TRACING_VERSION}")

api("com.facebook.fbjni:fbjni-java-only:${FBJNI_VERSION}")
api("com.facebook.fresco:fresco:${FRESCO_VERSION}")
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1 change: 1 addition & 0 deletions ReactAndroid/gradle.properties
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Expand Up@@ -24,6 +24,7 @@ PROGUARD_ANNOTATIONS_VERSION=1.19.0
ROBOLECTRIC_VERSION=4.4
SO_LOADER_VERSION=0.10.4
SWIPEREFRESH_LAYOUT_VERSION=1.0.0
ANDROIDX_TRACING_VERSION=1.1.0

@cortinicocortinicoJul 27, 2022

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nit: can we keep this sorted?


# Native Dependency Versions
BOOST_VERSION=1_76_0
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5 changes: 4 additions & 1 deletion ReactAndroid/src/main/java/com/facebook/systrace/BUCK
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@@ -1,4 +1,4 @@
load("//tools/build_defs/oss:rn_defs.bzl", "rn_android_library")
load("//tools/build_defs/oss:rn_defs.bzl", "rn_android_library", "react_native_dep")

rn_android_library(
name = "systrace",
Expand All@@ -8,4 +8,7 @@ rn_android_library(
visibility = [
"PUBLIC",
],
deps = [
react_native_dep("third-party/android/androidx:tracing"),
],
)
30 changes: 22 additions & 8 deletions ReactAndroid/src/main/java/com/facebook/systrace/Systrace.java
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Expand Up@@ -7,7 +7,7 @@

package com.facebook.systrace;

import android.os.Trace;
import androidx.tracing.Trace;

/**
* Systrace stub that mostly does nothing but delegates to Trace for beginning/ending sections. The
Expand DownExpand Up@@ -55,21 +55,35 @@ public static void endSection(long tag) {
Trace.endSection();
}

public static void beginAsyncSection(long tag, final String sectionName, final int cookie) {}
public static void beginAsyncSection(long tag, final String sectionName, final int cookie) {
Trace.beginAsyncSection(sectionName, cookie);
}

public static void beginAsyncSection(
long tag, final String sectionName, final int cookie, final long startNanos) {}
long tag, final String sectionName, final int cookie, final long startNanos) {
beginAsyncSection(tag, sectionName, cookie);
}

public static void endAsyncSection(long tag, final String sectionName, final int cookie) {}
public static void endAsyncSection(long tag, final String sectionName, final int cookie) {
Trace.endAsyncSection(sectionName, cookie);
}

public static void endAsyncSection(
long tag, final String sectionName, final int cookie, final long endNanos) {}
long tag, final String sectionName, final int cookie, final long endNanos) {
endAsyncSection(tag, sectionName, cookie);
}

public static void traceCounter(long tag, final String counterName, final int counterValue) {}
public static void traceCounter(long tag, final String counterName, final int counterValue) {
Trace.setCounter(counterName, counterValue);
}

public static void startAsyncFlow(long tag, final String sectionName, final int cookie) {}
public static void startAsyncFlow(long tag, final String sectionName, final int cookie) {
beginAsyncSection(tag, sectionName, cookie);
}

public static void stepAsyncFlow(long tag, final String sectionName, final int cookie) {}

public static void endAsyncFlow(long tag, final String sectionName, final int cookie) {}
public static void endAsyncFlow(long tag, final String sectionName, final int cookie) {
endAsyncSection(tag, sectionName, cookie);
}
}
68 changes: 60 additions & 8 deletions ReactAndroid/src/main/java/com/facebook/systrace/SystraceMessage.java
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Expand Up@@ -7,17 +7,19 @@

package com.facebook.systrace;

/** Systrace stub. */
import java.util.ArrayList;
import java.util.List;

public final class SystraceMessage {

private static final Builder NOOP_BUILDER = new NoopBuilder();
public static Boolean INCLUDE_ARGS = false;

@janicduplessisjanicduplessisJul 23, 2022

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Adding arguments to the section name makes grouping similar events a lot harder so by default I disable it. I don't really see how else args are useful for systrace in Android Studio. How is that used internally at facebook?


public static Builder beginSection(long tag, String sectionName) {
return NOOP_BUILDER;
return new StartSectionBuilder(tag, sectionName);
}

public static Builder endSection(long tag) {
return NOOP_BUILDER;
return new EndSectionBuilder(tag);
}

public abstract static class Builder {
Expand All@@ -33,13 +35,63 @@ public abstract static class Builder {
public abstract Builder arg(String key, double value);
}

private interface Flusher {
void flush(StringBuilder builder);
private static class StartSectionBuilder extends Builder {
private String mSectionName;
private long mTag;
private List<String> mArgs = new ArrayList<>();

public StartSectionBuilder(long tag, String sectionName) {
mTag = tag;
mSectionName = sectionName;
}

@Override
public void flush() {
Systrace.beginSection(
mTag,
mSectionName + (INCLUDE_ARGS && mArgs.size() > 0 ? (" (" + String.join(", ", mArgs) + ")") : ""));
}

@Override
public Builder arg(String key, Object value) {
addArg(key, String.valueOf(value));
return this;
}

@Override
public Builder arg(String key, int value) {
addArg(key, String.valueOf(value));
return this;
}

@Override
public Builder arg(String key, long value) {
addArg(key, String.valueOf(value));
return this;
}

@Override
public Builder arg(String key, double value) {
addArg(key, String.valueOf(value));
return this;
}

private void addArg(String key, String value) {
mArgs.add(key + ": " + value);
}
}

private static class NoopBuilder extends Builder {
private static class EndSectionBuilder extends Builder {
private long mTag;

public EndSectionBuilder(long tag) {
mTag = tag;
}

@Override
public void flush() {}
public void flush() {
Systrace.endSection(mTag);
}

@Override
public Builder arg(String key, Object value) {
Expand Down
20 changes: 20 additions & 0 deletions ReactAndroid/src/main/third-party/android/androidx/BUCK
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Expand Up@@ -291,6 +291,15 @@ fb_native.android_library(
],
)

fb_native.android_library(
name = "tracing",
visibility = ["PUBLIC"],
exported_deps = [
":annotation",
":tracing-binary",
],
)

fb_native.android_library(
name = "test-monitor",
visibility = ["PUBLIC"],
Expand DownExpand Up@@ -496,6 +505,11 @@ fb_native.android_prebuilt_aar(
aar = ":swiperefreshlayout-binary-aar",
)

fb_native.android_prebuilt_aar(
name = "tracing-binary",
aar = ":tracing-binary-aar",
)

fb_native.android_prebuilt_aar(
name = "test-monitor-binary",
aar = ":test-monitor-binary-aar",
Expand DownExpand Up@@ -700,6 +714,12 @@ fb_native.remote_file(
url = "mvn:androidx.swiperefreshlayout:swiperefreshlayout:aar:1.0.0",
)

fb_native.remote_file(
name = "tracing-binary-aar",
sha1 = "cdc41b1335c3857e4136d399f6a7962663d05e5e",
url = "mvn:androidx.tracing:tracing:aar:1.1.0",
)

fb_native.remote_file(
name = "test-monitor-binary-aar",
sha1 = "4f3c15d0a1e0c943b233b0dc5d8f1e690cfe7c0a",
Expand Down