bc1a4c3a84
Once the function_graph tracer is enabled, a filtered function has the following call sequence: * ftracer_caller ==> on/off by ftrace_make_call/ftrace_make_nop * ftrace_graph_caller * ftrace_graph_call ==> on/off by ftrace_en/disable_ftrace_graph_caller * prepare_ftrace_return Considering the following DYNAMIC_FTRACE_WITH_REGS feature, it would be more extendable to have a ftrace_graph_caller function, instead of calling prepare_ftrace_return directly in ftrace_caller. Cc: Greentime Hu <greentime@andestech.com> Signed-off-by: Alan Kao <alankao@andestech.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> |
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