Re: [PATCH v5] arm64: implement ftrace with regs
From: Torsten Duwe
Date: Fri Jan 04 2019 - 09:13:38 EST
On Mon, Dec 17, 2018 at 09:52:04AM +0530, Amit Daniel Kachhap wrote:
> There is no error message or crash but no useful output like below,
> /sys/kernel/tracing # echo wake_up_process > set_graph_function
> /sys/kernel/tracing # echo function_graph > current_tracer
> /sys/kernel/tracing # cat trace
> # tracer: function_graph
> # CPU DURATION FUNCTION CALLS
> # | | | | | | |
It turned out the graph caller works perfectly, I only broke the filtering.
Fixed now in v6; thanks a lot for testing!