From e926499e3271aeb8423c94007aeba2464bb712bb Mon Sep 17 00:00:00 2001
From: Emmanuel Hansen <emmausssss@gmail.com>
Date: Sat, 20 Jan 2024 21:09:07 +0000
Subject: [PATCH] android - add performance stats

---
 .../java/org/ryujinx/android/MainActivity.kt  |   3 +
 .../org/ryujinx/android/PerformanceMonitor.kt | 113 ++++++++++++++++++
 .../org/ryujinx/android/views/GameViews.kt    |  30 +++--
 3 files changed, 137 insertions(+), 9 deletions(-)
 create mode 100644 src/RyujinxAndroid/app/src/main/java/org/ryujinx/android/PerformanceMonitor.kt

diff --git a/src/RyujinxAndroid/app/src/main/java/org/ryujinx/android/MainActivity.kt b/src/RyujinxAndroid/app/src/main/java/org/ryujinx/android/MainActivity.kt
index 3971e64d4..b93abfbb6 100644
--- a/src/RyujinxAndroid/app/src/main/java/org/ryujinx/android/MainActivity.kt
+++ b/src/RyujinxAndroid/app/src/main/java/org/ryujinx/android/MainActivity.kt
@@ -37,6 +37,7 @@ class MainActivity : BaseActivity() {
         var mainViewModel: MainViewModel? = null
         var AppPath : String = ""
         var StorageHelper: SimpleStorageHelper? = null
+        val performanceMonitor = PerformanceMonitor()
 
         @JvmStatic
         fun updateRenderSessionPerformance(gameTime : Long)
@@ -120,6 +121,8 @@ class MainActivity : BaseActivity() {
                 }
             }
         }
+
+        val freq = performanceMonitor.getFrequencies()
     }
 
     override fun onSaveInstanceState(outState: Bundle) {
diff --git a/src/RyujinxAndroid/app/src/main/java/org/ryujinx/android/PerformanceMonitor.kt b/src/RyujinxAndroid/app/src/main/java/org/ryujinx/android/PerformanceMonitor.kt
new file mode 100644
index 000000000..b40dc7c02
--- /dev/null
+++ b/src/RyujinxAndroid/app/src/main/java/org/ryujinx/android/PerformanceMonitor.kt
@@ -0,0 +1,113 @@
+package org.ryujinx.android
+
+import android.app.ActivityManager
+import android.content.Context.ACTIVITY_SERVICE
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import java.io.RandomAccessFile
+import kotlin.concurrent.thread
+
+class PerformanceMonitor {
+    val numberOfCores = Runtime.getRuntime().availableProcessors()
+    private var isMonitoring: Boolean = false
+    fun startMonitoring() {
+        if(isMonitoring)
+            return
+
+        isMonitoring = true
+
+        thread {
+            monitor()
+        }
+    }
+
+    init {
+
+    }
+
+    fun monitor(){
+        while(isMonitoring) {
+            //lastCpuUsages = HardwarePropertiesManager.
+
+            //Thread.sleep(1000);
+        }
+    }
+
+    fun getFrequencies() : List<Double> {
+        val frequencies = mutableListOf<Double>()
+        for (i in 0..<numberOfCores){
+            var freq = 0.0;
+            try {
+                val reader = RandomAccessFile(
+                    "/sys/devices/system/cpu/cpu${i}/cpufreq/scaling_cur_freq",
+                    "r"
+                )
+                val f = reader.readLine()
+                freq = f.toDouble() / 1000.0
+            }
+            catch (e:Exception){
+
+            }
+
+            frequencies.add(freq)
+        }
+
+        return  frequencies.toList()
+    }
+
+    fun getMemoryUsage() : List<Int> {
+        val mem = mutableListOf<Int>()
+        MainActivity.mainViewModel?.activity?.apply {
+            val actManager = getSystemService(ACTIVITY_SERVICE) as ActivityManager
+            val memInfo = ActivityManager.MemoryInfo()
+            actManager.getMemoryInfo(memInfo)
+            val availMemory = memInfo.availMem.toDouble()/(1024*1024)
+            val totalMemory= memInfo.totalMem.toDouble()/(1024*1024)
+
+            mem.add((totalMemory - availMemory).toInt())
+            mem.add(totalMemory.toInt())
+        }
+        return mem.toList()
+    }
+
+    @Composable
+    fun RenderUsage() {
+        LazyColumn{
+            val frequencies = getFrequencies()
+            val mem = getMemoryUsage()
+
+            for (i in 0..<numberOfCores){
+                item {
+                    Row {
+                        Text(modifier = Modifier.padding(2.dp), text = "CPU ${i}")
+                        Spacer(Modifier.weight(1f))
+                        Text(text = "${frequencies[i]} MHz")
+                    }
+                }
+            }
+
+            if(mem.isNotEmpty()) {
+                item {
+                    Row {
+                        Text(modifier = Modifier.padding(2.dp), text = "Used")
+                        Spacer(Modifier.weight(1f))
+                        Text(text = "${mem[0]} MB")
+                    }
+                }
+                item {
+                    Row {
+                        Text(modifier = Modifier.padding(2.dp), text = "Total")
+                        Spacer(Modifier.weight(1f))
+                        Text(text = "${mem[1]} MB")
+                    }
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/RyujinxAndroid/app/src/main/java/org/ryujinx/android/views/GameViews.kt b/src/RyujinxAndroid/app/src/main/java/org/ryujinx/android/views/GameViews.kt
index 2b320dc6f..c91343608 100644
--- a/src/RyujinxAndroid/app/src/main/java/org/ryujinx/android/views/GameViews.kt
+++ b/src/RyujinxAndroid/app/src/main/java/org/ryujinx/android/views/GameViews.kt
@@ -8,6 +8,7 @@ import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.layout.wrapContentHeight
 import androidx.compose.foundation.layout.wrapContentWidth
 import androidx.compose.material3.AlertDialog
@@ -18,11 +19,13 @@ import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.LinearProgressIndicator
+import androidx.compose.material3.LocalTextStyle
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Switch
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
@@ -30,7 +33,9 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.input.pointer.PointerEventType
 import androidx.compose.ui.input.pointer.pointerInput
+import androidx.compose.ui.text.TextStyle
 import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
 import androidx.compose.ui.viewinterop.AndroidView
 import androidx.compose.ui.window.Popup
 import compose.icons.CssGgIcons
@@ -197,8 +202,10 @@ class GameViews {
                                                 mainViewModel.motionSensorManager?.unregister()
                                         })
                                     }
-                                    Row(modifier = Modifier.padding(8.dp),
-                                        horizontalArrangement = Arrangement.SpaceBetween) {
+                                    Row(
+                                        modifier = Modifier.padding(8.dp),
+                                        horizontalArrangement = Arrangement.SpaceBetween
+                                    ) {
                                         IconButton(modifier = Modifier.padding(4.dp), onClick = {
                                             showMore.value = false
                                             showController.value = !showController.value
@@ -338,13 +345,18 @@ class GameViews {
                 modifier = Modifier.padding(16.dp),
                 color = MaterialTheme.colorScheme.background.copy(0.4f)
             ) {
-                Column {
-                    var gameTimeVal = 0.0
-                    if (!gameTime.value.isInfinite())
-                        gameTimeVal = gameTime.value
-                    Text(text = "${String.format("%.3f", fifo.value)} %")
-                    Text(text = "${String.format("%.3f", gameFps.value)} FPS")
-                    Text(text = "${String.format("%.3f", gameTimeVal)} ms")
+                CompositionLocalProvider(LocalTextStyle provides TextStyle(fontSize = 10.sp)) {
+                    Column {
+                        var gameTimeVal = 0.0
+                        if (!gameTime.value.isInfinite())
+                            gameTimeVal = gameTime.value
+                        Text(text = "${String.format("%.3f", fifo.value)} %")
+                        Text(text = "${String.format("%.3f", gameFps.value)} FPS")
+                        Text(text = "${String.format("%.3f", gameTimeVal)} ms")
+                        Box(modifier = Modifier.width(84.dp)) {
+                            MainActivity.performanceMonitor.RenderUsage()
+                        }
+                    }
                 }
             }