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Commit d42ac617 authored by Yi Kong's avatar Yi Kong
Browse files

profcollect: collect intilization code behavior for camera open events 

First several frames may have a different code behavior for camera code.
Allocate a small percentage of traces to capture those behavior.

Test: presubmit
Change-Id: Icf343b23ee51dfb83798ecc4be9a3fb5a219412b
parent b983c5bc

services/profcollect/src/com/android/server/profcollect/ProfcollectForwardingService.java

+6 −3
Original line number Original line Diff line number Diff line
@@ -398,14 +398,17 @@ public final class ProfcollectForwardingService extends SystemService { 
                if (randomNum >= traceFrequency) {

                if (randomNum >= traceFrequency) {

                    return;

                    return;

                }

                }

                // Wait for 1s before starting tracing.

                // For a small percentage a traces, we collect the initialization behavior.

                boolean traceInitialization = ThreadLocalRandom.current().nextInt(10) < 1;

                int traceDelay = traceInitialization ? 0 : 1000;

                String traceTag = traceInitialization ? "camera_init" : "camera";

                BackgroundThread.get().getThreadHandler().postDelayed(() -> {

                BackgroundThread.get().getThreadHandler().postDelayed(() -> {

                    try {

                    try {

                        mIProfcollect.trace_once("camera");

                        mIProfcollect.trace_once(traceTag);

                    } catch (RemoteException e) {

                    } catch (RemoteException e) {

                        Log.e(LOG_TAG, "Failed to initiate trace: " + e.getMessage());

                        Log.e(LOG_TAG, "Failed to initiate trace: " + e.getMessage());

                    }

                    }

                }, 1000);

                }, traceDelay);

            }

            }

        }, null);

        }, null);

    }

    }