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More work on proc stats UI for summary display.

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Improve how we compute the bar to better represent the
actual memory situation.  Scale the per-app bars to try to
show them better in terms of overall memory use.  And some
bug fixes.

Change-Id: I336ff0c938a39092f2ac54d354c57d6b1b8220c0
This commit is contained in:
Dianne Hackborn
2014-06-23 17:13:16 -07:00
parent 96debb5c96
commit 74868d1c5d
2 changed files with 87 additions and 6 deletions
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89
src/com/android/settings/applications/ProcessStatsUi.java
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@@ -16,6 +16,7 @@
package com.android.settings.applications;
import android.app.ActivityManager;
import android.content.Context;
import android.content.pm.PackageManager;
import android.os.Bundle;
@@ -28,6 +29,7 @@ import android.preference.Preference;
import android.preference.PreferenceFragment;
import android.preference.PreferenceGroup;
import android.preference.PreferenceScreen;
import android.text.format.Formatter;
import android.util.Log;
import android.util.SparseArray;
import android.util.TimeUtils;
@@ -38,6 +40,7 @@ import android.view.SubMenu;
import com.android.internal.app.IProcessStats;
import com.android.internal.app.ProcessMap;
import com.android.internal.app.ProcessStats;
import com.android.internal.util.MemInfoReader;
import com.android.settings.R;
import com.android.settings.SettingsActivity;
import com.android.settings.fuelgauge.Utils;
@@ -481,8 +484,9 @@ public class ProcessStatsUi extends PreferenceFragment
ProcessStats.ALL_SCREEN_ADJ, memStates);
mStats.computeTotalMemoryUse(totalMem, now);
double freeWeight = totalMem.sysMemFreeWeight + totalMem.sysMemCachedWeight;
double usedWeight = totalMem.sysMemKernelWeight + totalMem.sysMemKernelWeight
double usedWeight = totalMem.sysMemKernelWeight + totalMem.sysMemNativeWeight
+ totalMem.sysMemZRamWeight;
double backgroundWeight = 0, persBackgroundWeight = 0;
mMemCachedWeight = totalMem.sysMemCachedWeight;
mMemFreeWeight = totalMem.sysMemFreeWeight;
mMemZRamWeight = totalMem.sysMemZRamWeight;
@@ -499,10 +503,66 @@ public class ProcessStatsUi extends PreferenceFragment
} else {
usedWeight += totalMem.processStateWeight[i];
}
if (i >= ProcessStats.STATE_IMPORTANT_FOREGROUND) {
backgroundWeight += totalMem.processStateWeight[i];
persBackgroundWeight += totalMem.processStateWeight[i];
}
if (i == ProcessStats.STATE_PERSISTENT) {
persBackgroundWeight += totalMem.processStateWeight[i];
}
}
}
if (DEBUG) {
Log.i(TAG, "Used RAM: " + Formatter.formatShortFileSize(getActivity(),
(long)((usedWeight * 1024) / memTotalTime)));
Log.i(TAG, "Free RAM: " + Formatter.formatShortFileSize(getActivity(),
(long)((freeWeight * 1024) / memTotalTime)));
Log.i(TAG, "Total RAM: " + Formatter.formatShortFileSize(getActivity(),
(long)(((freeWeight+usedWeight) * 1024) / memTotalTime)));
Log.i(TAG, "Background+Cached RAM: " + Formatter.formatShortFileSize(getActivity(),
(long)((backgroundWeight * 1024) / memTotalTime)));
}
mMemTotalWeight = freeWeight + usedWeight;
float usedRatio = (float)(usedWeight/(freeWeight+usedWeight));
// For computing the ratio to show, we want to count the baseline cached RAM we
// need (at which point we start killing processes) as used RAM, so that if we
// reach the point of thrashing due to no RAM for any background processes we
// report that as RAM being full. To do this, we need to first convert the weights
// back to actual RAM... and since the RAM values we compute here won't exactly
// match the real physical RAM, scale those to the actual physical RAM. No problem!
double usedRam = (usedWeight*1024)/memTotalTime;
double freeRam = (freeWeight*1024)/memTotalTime;
double totalRam = usedRam + freeRam;
MemInfoReader memReader = new MemInfoReader();
memReader.readMemInfo();
double realTotalRam = memReader.getTotalSize();
double totalScale = realTotalRam / totalRam;
double realUsedRam = usedRam * totalScale;
double realFreeRam = freeRam * totalScale;
if (DEBUG) {
Log.i(TAG, "Scaled Used RAM: " + Formatter.formatShortFileSize(getActivity(),
(long)realUsedRam));
Log.i(TAG, "Scaled Free RAM: " + Formatter.formatShortFileSize(getActivity(),
(long)realFreeRam));
}
ActivityManager.MemoryInfo memInfo = new ActivityManager.MemoryInfo();
((ActivityManager)getActivity().getSystemService(Context.ACTIVITY_SERVICE)).getMemoryInfo(
memInfo);
if (memInfo.hiddenAppThreshold >= realFreeRam) {
realUsedRam = realFreeRam;
realFreeRam = 0;
} else {
realUsedRam += memInfo.hiddenAppThreshold;
realFreeRam -= memInfo.hiddenAppThreshold;
}
if (DEBUG) {
Log.i(TAG, "Adj Scaled Used RAM: " + Formatter.formatShortFileSize(getActivity(),
(long)realUsedRam));
Log.i(TAG, "Adj Scaled Free RAM: " + Formatter.formatShortFileSize(getActivity(),
(long)realFreeRam));
}
float usedRatio = (float)(realUsedRam/(realFreeRam+realUsedRam));
colors.setRatios(usedRatio, 0, 1-usedRatio);
if (false) {
@@ -653,13 +713,24 @@ public class ProcessStatsUi extends PreferenceFragment
maxWeight = proc.mWeight;
}
}
mMaxWeight = maxWeight;
if (mStatsType == MENU_TYPE_BACKGROUND) {
mMaxWeight = (long)(mShowSystem ? persBackgroundWeight : backgroundWeight);
if (mMaxWeight < maxWeight) {
mMaxWeight = maxWeight;
}
if (DEBUG) {
Log.i(TAG, "Bar max RAM: " + Formatter.formatShortFileSize(getActivity(),
(mMaxWeight * 1024) / memTotalTime));
}
} else {
mMaxWeight = maxWeight;
}
if (DEBUG) Log.d(TAG, "-------------------- BUILDING UI");
for (int i=0, N=(entries != null ? entries.size() : 0); i<N; i++) {
ProcStatsEntry proc = entries.get(i);
final double percentOfWeight = (((double)proc.mWeight) / maxWeight) * 100;
final double percentOfWeight = (((double)proc.mWeight) / mMaxWeight) * 100;
final double percentOfTime = (((double)proc.mDuration) / memTotalTime) * 100;
if (percentOfWeight < 1 && percentOfTime < 33) {
if (DEBUG) Log.d(TAG, "Skipping " + proc.mName + " weight=" + percentOfWeight
@@ -678,6 +749,16 @@ public class ProcessStatsUi extends PreferenceFragment
pref.setOrder(i);
pref.setPercent(percentOfWeight, percentOfTime);
mAppListGroup.addPreference(pref);
if (mStatsType == MENU_TYPE_BACKGROUND) {
if (DEBUG) {
Log.i(TAG, "App " + proc.mUiLabel + ": weightedRam="
+ Formatter.formatShortFileSize(getActivity(),
(proc.mWeight * 1024) / memTotalTime)
+ ", avgRam=" + Formatter.formatShortFileSize(getActivity(),
(proc.mAvgPss*1024)));
}
}
if (mAppListGroup.getPreferenceCount() > (MAX_ITEMS_TO_LIST+1)) {
if (DEBUG) Log.d(TAG, "Done with UI, hit item limit!");
break;