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Commit 71e4df07 authored by Xiang Wang's avatar Xiang Wang
Browse files

Add support to get headroom from thermal cmd 

Bug: 328306727
Test: adb shell cmd thermalservice headroom 20
Change-Id: Iab67a4947fcfa7027811c946d8d2d0c0e26fb4a1
parent 175aabe1

services/core/java/com/android/server/power/ThermalManagerService.java

+35 −0
Original line number Diff line number Diff line
@@ -700,6 +700,8 @@ public class ThermalManagerService extends SystemService { 
                    return runOverrideStatus();

                case "reset":

                    return runReset();

                case "headroom":

                    return runHeadroom();

                default:

                    return handleDefaultCommands(cmd);

            }
@@ -862,6 +864,36 @@ public class ThermalManagerService extends SystemService { 
            }

        }



        private int runHeadroom() {

            final long token = Binder.clearCallingIdentity();

            try {

                final PrintWriter pw = getOutPrintWriter();

                int forecastSecs;

                try {

                    forecastSecs = Integer.parseInt(getNextArgRequired());

                } catch (RuntimeException ex) {

                    pw.println("Error: " + ex);

                    return -1;

                }

                if (!mHalReady.get()) {

                    pw.println("Error: thermal HAL is not ready");

                    return -1;

                }



                if (forecastSecs < MIN_FORECAST_SEC || forecastSecs > MAX_FORECAST_SEC) {

                    pw.println(

                            "Error: forecast second input should be in range [" + MIN_FORECAST_SEC

                                    + "," + MAX_FORECAST_SEC + "]");

                    return -1;

                }

                float headroom = mTemperatureWatcher.getForecast(forecastSecs);

                pw.println("Headroom in " + forecastSecs + " seconds: " + headroom);

                return 0;

            } finally {

                Binder.restoreCallingIdentity(token);

            }

        }



        @Override

        public void onHelp() {

            final PrintWriter pw = getOutPrintWriter();
@@ -877,6 +909,9 @@ public class ThermalManagerService extends SystemService { 
            pw.println("    status code is defined in android.os.Temperature.");

            pw.println("  reset");

            pw.println("    unlocks the thermal status of the device.");

            pw.println("  headroom FORECAST_SECONDS");

            pw.println("    gets the thermal headroom forecast in specified seconds, from ["

                    + MIN_FORECAST_SEC + "," + MAX_FORECAST_SEC + "].");

            pw.println();

        }

    }