Merge pull request DataDog#3148 from DataDog/yl/profiling-raise-frequency

Update Profiler sampling frequency to 201Hz

Author: ambushwork

features/dd-sdk-android-profiling/src/main/java/com/datadog/android/profiling/internal/perfetto/PerfettoProfiler.kt

@@ -225,9 +225,9 @@ internal class PerfettoProfiler(
         // increased or configurable if needed.
         private const val BUFFER_SIZE_KB = 5120 // 5MB
 
-        // Currently we give 101HZ frequency to balance the sampling accuracy and performance
+        // Currently we give 201HZ frequency to balance the sampling accuracy and performance
         // overhead also to avoid lockstep sampling, it can be updated or configurable if needed.
-        private const val PROFILING_SAMPLING_RATE = 101 // 101Hz
+        internal const val PROFILING_SAMPLING_RATE = 201 // 201Hz
         private const val TELEMETRY_MSG_PROFILING_APP_LAUNCH =
             "[Mobile Metric] Profiling App Launch"
         private const val TELEMETRY_KEY_PROFILING_APP_LAUNCH = "profiling_app_launch"

features/dd-sdk-android-profiling/src/test/kotlin/com/datadog/android/profiling/internal/PerfettoProfilerTest.kt

@@ -15,6 +15,7 @@ import com.datadog.android.api.InternalLogger
 import com.datadog.android.core.metrics.MethodCallSamplingRate
 import com.datadog.android.internal.time.TimeProvider
 import com.datadog.android.profiling.internal.perfetto.PerfettoProfiler
+import com.datadog.android.profiling.internal.perfetto.PerfettoProfiler.Companion.PROFILING_SAMPLING_RATE
 import com.datadog.android.profiling.internal.perfetto.PerfettoResult
 import fr.xgouchet.elmyr.annotation.IntForgery
 import fr.xgouchet.elmyr.annotation.LongForgery
@@ -203,7 +204,7 @@ class PerfettoProfilerTest {
             ),
             "profiling_config" to mapOf(
                 "buffer_size" to 5120,
-                "sampling_frequency" to 101
+                "sampling_frequency" to PROFILING_SAMPLING_RATE
             )
         )
         verify(mockInternalLogger)
@@ -260,7 +261,7 @@ class PerfettoProfilerTest {
             ),
             "profiling_config" to mapOf(
                 "buffer_size" to 5120,
-                "sampling_frequency" to 101
+                "sampling_frequency" to PROFILING_SAMPLING_RATE
             )
         )
         verify(mockInternalLogger)
@@ -318,7 +319,7 @@ class PerfettoProfilerTest {
             ),
             "profiling_config" to mapOf(
                 "buffer_size" to 5120,
-                "sampling_frequency" to 101
+                "sampling_frequency" to PROFILING_SAMPLING_RATE
             )
         )
         verify(mockInternalLogger)

features/dd-sdk-android-profiling/src/test/kotlin/com/datadog/android/profiling/internal/ProfilingConfigurationBuilderTest.kt

@@ -4,8 +4,6 @@
  * Copyright 2016-Present Datadog, Inc.
  */
 
-@file:OptIn(ExperimentalProfilingApi::class)
-
 package com.datadog.android.profiling.internal
 
 import com.datadog.android.profiling.ExperimentalProfilingApi
@@ -21,6 +19,7 @@ import org.mockito.junit.jupiter.MockitoExtension
 import org.mockito.junit.jupiter.MockitoSettings
 import org.mockito.quality.Strictness
 
+@OptIn(ExperimentalProfilingApi::class)
 @Extensions(
     ExtendWith(MockitoExtension::class),
     ExtendWith(ForgeExtension::class)