如题，4.0版本服务一直崩溃，看到相关的报错如下：

[   38.503013] [pid:1,cpu1,init][pid=1][Init][ERROR][init_signal_handler.c:47]Child process xx(pid 4495) exit with code : 0
[   38.569755] [pid:1,cpu1,init][pid=1][Init][ERROR][init_signal_handler.c:47]Child process xx(pid 4496) exit with code : 0
[   38.626360] [pid:1,cpu1,init][pid=1][Init][ERROR][init_signal_handler.c:47]Child process xx(pid 4497) exit with code : 0
[   38.693649] [pid:1,cpu1,init][pid=1][Init][ERROR][init_signal_handler.c:47]Child process xx(pid 4498) exit with code : 0
[   38.759829] [pid:1,cpu1,init][pid=1][Init][ERROR][init_signal_handler.c:47]Child process xx(pid 4499) exit with code : 0
[   38.816547] [pid:1,cpu1,init][pid=1][Init][ERROR][init_signal_handler.c:47]Child process xx(pid 4500) exit with code : 0
 

faultlog无相关信息，日志看到这里相关，但不清楚yuan'y

4495  4495 I C01800/SAFWK: SaMain::main [PerformanceTest] SAFWK main entry process starting!
12-26 11:31:30.715  4495  4495 E C01800/SAFWK: SaMain::main profile file path is invalid!
12-26 11:31:30.781  4496  4496 I C01800/SAFWK: SaMain::main [PerformanceTest] SAFWK main entry process starting!
12-26 11:31:30.782  4496  4496 E C01800/SAFWK: SaMain::main profile file path is invalid!
12-26 11:31:30.838  4497  4497 I C01800/SAFWK: SaMain::main [PerformanceTest] SAFWK main entry process starting!
12-26 11:31:30.838  4497  4497 E C01800/SAFWK: SaMain::main profile file path is invalid!
12-26 11:31:30.905  4498  4498 I C01800/SAFWK: SaMain::main [PerformanceTest] SAFWK main entry process starting!
12-26 11:31:30.905  4498  4498 E C01800/SAFWK: SaMain::main profile file path is invalid!
12-26 11:31:30.971  4499  4499 I C01800/SAFWK: SaMain::main [PerformanceTest] SAFWK main entry process starting!
12-26 11:31:30.972  4499  4499 E C01800/SAFWK: SaMain::main profile file path is invalid!

PerformanceTest目的是什么，另外这里的profile怎么处理