Merge "sysui: bump perfetto shmem buffer size to 1 MB" into main

        super();

        if (!isSubprocess()) {

            if (android.tracing.Flags.sysuiLargePerfettoShmemBuffer()) {

                // Explicitly initialize a 512 KB shmem buffer for Perfetto producers (b/420587648).

                // This increases the Perfetto's shmem buffer from default size (256 KB) to 512 KB,

                // Explicitly initialize a 1MB shmem buffer for Perfetto producers (b/420587648).

                // This increases the Perfetto's shmem buffer from default size (256 KB) to 1MB,

                // thus avoiding crashes or packet loss caused by shmem chunks exhaustion when too

                // many threads are tracing data.

                android.tracing.perfetto.Producer.init(new InitArguments(

                        InitArguments.PERFETTO_BACKEND_SYSTEM, 512));

                        InitArguments.PERFETTO_BACKEND_SYSTEM, 1024));

            }

            Trace.registerWithPerfetto();

        }