首先，设置Setting打开Sensor模块的Info和Verbose Log
logInfoMask=0x2 logVerboseMask=0x2
复现问题后，在log中搜索：搜索ApplyGains和CalculateExposure
logcat |grep -iE "ApplyGains|CalculateExposure"
示例Log：
11-09 11:09:41.331 6792 6822 I CamX : [ INFO][SENSOR ] camxsensornode.cpp:3156 ExecuteProcessRequest() Sensor[0]: ProcessRequest: ApplyGains: RequestID=1466, ContextTypeID: 0, Gain:ExpTime =41.441280 : 7944333, Middle Gain:ExpTime =0.000000 : 0, Short Gain:ExpTime =0.000000 : 0 LuxIdx = 378.434143, LED Currents = 0 : 0
11-09 11:09:41.331 6792 6822 V CamX : [ VERB][SENSOR ] camximagesensordata.cpp:1075 CalculateExposure() Long (TG:41.441280 AG:15.500000 DG:1.000000 ISPG:2.673631 LC:3051) Middle (TG:0.000000 AG:0.000000 DG:0.000000 ISPG:0.000000 LC:0) Short (TG:0.000000 AG:0.000000 DG:0.000000 ISPG:0.000000 LC:0)
缩写的全称如下：
- TG: Total Gain
- AG: Analog Gain
- DG: Digital Gain
- ISPG: ISP Gain
- LC: Line Count
如果想强制设置Sensor的曝光时间和增益，请参阅：CamX 中如何强制设置Sensor曝光时间和增益