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-rw-r--r--services/core/java/com/android/server/am/ActivityManagerShellCommand.java126
1 files changed, 55 insertions, 71 deletions
diff --git a/services/core/java/com/android/server/am/ActivityManagerShellCommand.java b/services/core/java/com/android/server/am/ActivityManagerShellCommand.java
index 5af9424a025c..3cbec86edec9 100644
--- a/services/core/java/com/android/server/am/ActivityManagerShellCommand.java
+++ b/services/core/java/com/android/server/am/ActivityManagerShellCommand.java
@@ -115,6 +115,7 @@ import android.util.ArrayMap;
import android.util.ArraySet;
import android.util.DebugUtils;
import android.util.DisplayMetrics;
+import android.util.SparseArray;
import android.util.TeeWriter;
import android.util.proto.ProtoOutputStream;
import android.view.Choreographer;
@@ -275,9 +276,9 @@ final class ActivityManagerShellCommand extends ShellCommand {
case "compact":
return runCompact(pw);
case "freeze":
- return runFreeze(pw);
+ return runFreeze(pw, true);
case "unfreeze":
- return runUnfreeze(pw);
+ return runFreeze(pw, false);
case "instrument":
getOutPrintWriter().println("Error: must be invoked through 'am instrument'.");
return -1;
@@ -1203,45 +1204,27 @@ final class ActivityManagerShellCommand extends ShellCommand {
}
@NeverCompile
- int runFreeze(PrintWriter pw) throws RemoteException {
+ int runFreeze(PrintWriter pw, boolean freeze) throws RemoteException {
String freezerOpt = getNextOption();
boolean isSticky = false;
- if (freezerOpt != null) {
- isSticky = freezerOpt.equals("--sticky");
- }
- ProcessRecord app = getProcessFromShell();
- if (app == null) {
- getErrPrintWriter().println("Error: could not find process");
- return -1;
- }
- pw.println("Freezing pid: " + app.mPid + " sticky=" + isSticky);
- synchronized (mInternal) {
- synchronized (mInternal.mProcLock) {
- app.mOptRecord.setFreezeSticky(isSticky);
- mInternal.mOomAdjuster.mCachedAppOptimizer.forceFreezeAppAsyncLSP(app);
- }
- }
- return 0;
- }
- @NeverCompile
- int runUnfreeze(PrintWriter pw) throws RemoteException {
- String freezerOpt = getNextOption();
- boolean isSticky = false;
if (freezerOpt != null) {
isSticky = freezerOpt.equals("--sticky");
}
- ProcessRecord app = getProcessFromShell();
- if (app == null) {
- getErrPrintWriter().println("Error: could not find process");
+ ProcessRecord proc = getProcessFromShell();
+ if (proc == null) {
return -1;
}
- pw.println("Unfreezing pid: " + app.mPid);
+ pw.print(freeze ? "Freezing" : "Unfreezing");
+ pw.print(" process " + proc.processName);
+ pw.println(" (" + proc.mPid + ") sticky=" + isSticky);
synchronized (mInternal) {
synchronized (mInternal.mProcLock) {
- synchronized (mInternal.mOomAdjuster.mCachedAppOptimizer.mFreezerLock) {
- app.mOptRecord.setFreezeSticky(isSticky);
- mInternal.mOomAdjuster.mCachedAppOptimizer.unfreezeAppInternalLSP(app, 0,
+ proc.mOptRecord.setFreezeSticky(isSticky);
+ if (freeze) {
+ mInternal.mOomAdjuster.mCachedAppOptimizer.forceFreezeAppAsyncLSP(proc);
+ } else {
+ mInternal.mOomAdjuster.mCachedAppOptimizer.unfreezeAppInternalLSP(proc, 0,
true);
}
}
@@ -1250,43 +1233,42 @@ final class ActivityManagerShellCommand extends ShellCommand {
}
/**
- * Parses from the shell the process name and user id if provided and provides the corresponding
- * {@link ProcessRecord)} If no user is provided, it will fallback to current user.
- * Example usage: {@code <processname> --user current} or {@code <processname>}
- * @return process record of process, null if none found.
+ * Parses from the shell the pid or process name and provides the corresponding
+ * {@link ProcessRecord}.
+ * Example usage: {@code <processname>} or {@code <pid>}
+ * @return process record of process, null if none or more than one found.
* @throws RemoteException
*/
@NeverCompile
ProcessRecord getProcessFromShell() throws RemoteException {
- ProcessRecord app;
- String processName = getNextArgRequired();
- synchronized (mInternal.mProcLock) {
- // Default to current user
- int userId = getUserIdFromShellOrFallback();
- final int uid =
- mInternal.getPackageManagerInternal().getPackageUid(processName, 0, userId);
- app = mInternal.getProcessRecordLocked(processName, uid);
- }
- return app;
- }
+ ProcessRecord proc = null;
+ String process = getNextArgRequired();
+ try {
+ int pid = Integer.parseInt(process);
+ synchronized (mInternal.mPidsSelfLocked) {
+ proc = mInternal.mPidsSelfLocked.get(pid);
+ }
+ } catch (NumberFormatException e) {
+ // Fallback to process name if it's not a valid pid
+ }
- /**
- * @return User id from command line provided in the form of
- * {@code --user <userid|current|all>} and if the argument is not found it will fallback
- * to current user.
- * @throws RemoteException
- */
- @NeverCompile
- int getUserIdFromShellOrFallback() throws RemoteException {
- int userId = mInterface.getCurrentUserId();
- String userOpt = getNextOption();
- if (userOpt != null && "--user".equals(userOpt)) {
- int inputUserId = UserHandle.parseUserArg(getNextArgRequired());
- if (inputUserId != UserHandle.USER_CURRENT) {
- userId = inputUserId;
+ if (proc == null) {
+ synchronized (mInternal.mProcLock) {
+ ArrayMap<String, SparseArray<ProcessRecord>> all =
+ mInternal.mProcessList.getProcessNamesLOSP().getMap();
+ SparseArray<ProcessRecord> procs = all.get(process);
+ if (procs == null || procs.size() == 0) {
+ getErrPrintWriter().println("Error: could not find process");
+ return null;
+ } else if (procs.size() > 1) {
+ getErrPrintWriter().println("Error: more than one processes found");
+ return null;
+ }
+ proc = procs.valueAt(0);
}
}
- return userId;
+
+ return proc;
}
int runDumpHeap(PrintWriter pw) throws RemoteException {
@@ -4306,24 +4288,26 @@ final class ActivityManagerShellCommand extends ShellCommand {
pw.println(" --allow-background-activity-starts: The receiver may start activities");
pw.println(" even if in the background.");
pw.println(" --async: Send without waiting for the completion of the receiver.");
- pw.println(" compact [some|full] <process_name> [--user <USER_ID>]");
- pw.println(" Perform a single process compaction.");
+ pw.println(" compact {some|full} <PROCESS>");
+ pw.println(" Perform a single process compaction. The given <PROCESS> argument");
+ pw.println(" may be either a process name or pid.");
pw.println(" some: execute file compaction.");
pw.println(" full: execute anon + file compaction.");
- pw.println(" system: system compaction.");
pw.println(" compact system");
pw.println(" Perform a full system compaction.");
- pw.println(" compact native [some|full] <pid>");
+ pw.println(" compact native {some|full} <pid>");
pw.println(" Perform a native compaction for process with <pid>.");
pw.println(" some: execute file compaction.");
pw.println(" full: execute anon + file compaction.");
- pw.println(" freeze [--sticky] <processname> [--user <USER_ID>]");
- pw.println(" Freeze a process.");
- pw.println(" --sticky: persists the frozen state for the process lifetime or");
+ pw.println(" freeze [--sticky] <PROCESS>");
+ pw.println(" Freeze a process. The given <PROCESS> argument");
+ pw.println(" may be either a process name or pid. Options are:");
+ pw.println(" --sticky: persists the frozen state for the process lifetime or");
pw.println(" until an unfreeze is triggered via shell");
- pw.println(" unfreeze [--sticky] <processname> [--user <USER_ID>]");
- pw.println(" Unfreeze a process.");
- pw.println(" --sticky: persists the unfrozen state for the process lifetime or");
+ pw.println(" unfreeze [--sticky] <PROCESS>");
+ pw.println(" Unfreeze a process. The given <PROCESS> argument");
+ pw.println(" may be either a process name or pid. Options are:");
+ pw.println(" --sticky: persists the unfrozen state for the process lifetime or");
pw.println(" until a freeze is triggered via shell");
pw.println(" instrument [-r] [-e <NAME> <VALUE>] [-p <FILE>] [-w]");
pw.println(" [--user <USER_ID> | current]");
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-12-28 15:01:46 +0000