der:101_C-103 (  101) [000] ...1  2.750000: ' +
      'tracing_mark_write: S|101|launching: com.android.apps.sms|203\n' +
      'android.display-104 (  101) [000] ...1  4.250000: ' +
      'tracing_mark_write: F|101|launching: com.android.apps.sms|203';

  const SYSTRACE_DRAW_SLICE =
      'com.android.apps.sms-105 (  105) [000] ...1  4.450000: ' +
      'tracing_mark_write: B|105|draw\n' +
      'com.android.apps.sms-105 (  105) [000] ...1  4.455000: ' +
      'tracing_mark_write: E';

  function makeModel