In statistical objects In MXMetricPayload histogrammedTimeToFirstDrawKey start times not equal applicationExitMetrics exit：
case1:
"applicationExitMetrics": {
"backgroundExitData": {
"cumulativeNormalAppExitCount": 3,
"cumulativeMemoryPressureExitCount": 4
},
"foregroundExitData": {
"cumulativeMemoryResourceLimitExitCount": 3
}
},
"applicationLaunchMetrics": {
"histogrammedTimeToFirstDrawKey": {
"histogramNumBuckets": 14,
"histogramValue": {
"10": {
"bucketCount": 1,
"bucketStart": "1740 ms",
"bucketEnd": "1749 ms"
},
"2": {
"bucketCount": 1,
"bucketStart": "1440 ms",
"bucketEnd": "1449 ms"
},
"3": {
"bucketCount": 2,
"bucketStart": "1490 ms",
"bucketEnd": "1499 ms"
},
"11": {
"bucketCount": 1,
"bucketStart": "1780 ms",
"bucketEnd": "1789 ms"
},
"4": {
"bucketCount": 1,
"bucketStart": "1500 ms",
"bucketEnd": "1509 ms"
},
"5": {
"bucketCount": 1,
"bucketStart": "1580 ms",
"bucketEnd": "1589 ms"
},
"12": {
"bucketCount": 1,
"bucketStart": "1860 ms",
"bucketEnd": "1869 ms"
},
"6": {
"bucketCount": 1,
"bucketStart": "1620 ms",
"bucketEnd": "1629 ms"
},
"13": {
"bucketCount": 1,
"bucketStart": "1990 ms",
"bucketEnd": "1999 ms"
},
"7": {
"bucketCount": 1,
"bucketStart": "1650 ms",
"bucketEnd": "1659 ms"
},
"0": {
"bucketCount": 1,
"bucketStart": "1400 ms",
"bucketEnd": "1409 ms"
},
"8": {
"bucketCount": 1,
"bucketStart": "1660 ms",
"bucketEnd": "1669 ms"
},
"1": {
"bucketCount": 1,
"bucketStart": "1430 ms",
"bucketEnd": "1439 ms"
},
"9": {
"bucketCount": 1,
"bucketStart": "1730 ms",
"bucketEnd": "1739 ms"
}
}
},
In this Case the app cold started 15 times, but quit only 10 times， why？？
case2:
"applicationExitMetrics": {
"backgroundExitData": {
"cumulativeMemoryPressureExitCount": 1
},
"foregroundExitData": {
"cumulativeMemoryResourceLimitExitCount": 3,
"cumulativeNormalAppExitCount": 1
}
},
"applicationLaunchMetrics": {
"histogrammedTimeToFirstDrawKey": {
"histogramNumBuckets": 3,
"histogramValue": {
"0": {
"bucketCount": 1,
"bucketStart": "1490 ms",
"bucketEnd": "1499 ms"
},
"1": {
"bucketCount": 1,
"bucketStart": "1680 ms",
"bucketEnd": "1689 ms"
},
"2": {
"bucketCount": 1,
"bucketStart": "1880 ms",
"bucketEnd": "1889 ms"
}
}
},
The app cold started 3 times, but quit unexpectedly reached 5 times， why？？？