[PATCH V3 1/3] trace-cmd: Define general functions for outputting/inputting saved_cmdlines

Currently, trace-cmd outputs data of saved_cmdlines to a trace.dat file in create_file_fd() and inputs the data from the file in tracecmd_init_data(). On the other hand, trace-cmd will also output and input data of trace_clock in those functions in the patch "trace-cmd: Add recording to

[PATCH V3 1/3] trace-cmd: Define general functions for outputting/inputting saved_cmdlines

Currently, trace-cmd outputs data of saved_cmdlines to a trace.dat file in create_file_fd() and inputs the data from the file in tracecmd_init_data(). On the other hand, trace-cmd will also output and input data of trace_clock in those functions in the patch trace-cmd: Add recording to trace_clock