38     RK_S32 mTraceFd;  member in MppTraceService
66             mTraceFd = open(ftrace_paths[i], O_WRONLY | O_CLOEXEC);  in MppTraceService()
67             if (mTraceFd >= 0)  in MppTraceService()
75     if (mTraceFd >= 0) {  in ~MppTraceService()
76         close(mTraceFd);  in ~MppTraceService()
77         mTraceFd = -1;  in ~MppTraceService()
91     (void)!write(mTraceFd, buf, len);  in trace_write()
96     if (mTraceFd < 0)  in trace_begin()
104     if (mTraceFd < 0)  in trace_end()
112     if (mTraceFd < 0)  in trace_async_begin()
120     if (mTraceFd < 0)  in trace_async_end()
128     if (mTraceFd < 0)  in trace_int32()
136     if (mTraceFd < 0)  in trace_int64()