Re: [PATCH] arm64: ftrace: fix function_graph tracer panic

2015-10-02 Thread Catalin Marinas
On Fri, Oct 02, 2015 at 04:56:48PM +0900, AKASHI Takahiro wrote: > >>On 09/30/2015 11:49 AM, Li Bin wrote: > >>>This is because when using function graph tracer, if the traced > >>>function return value is in multi regs ([0x-07]), return_to_handler > > typo: 0x-07 => x0-x7 I fixed this up. > and

Re: [PATCH] arm64: ftrace: fix function_graph tracer panic

2015-10-02 Thread AKASHI Takahiro
> Do I take this as an ack? Yes, but On 10/02/2015 12:27 AM, Catalin Marinas wrote: On Thu, Oct 01, 2015 at 03:11:29PM +0900, AKASHI Takahiro wrote: On 09/30/2015 11:49 AM, Li Bin wrote: When function graph tracer is enabled, the following operation will trigger panic: mount -t debugfs nodev

Re: [PATCH] arm64: ftrace: fix function_graph tracer panic

2015-10-01 Thread Catalin Marinas
On Thu, Oct 01, 2015 at 03:11:29PM +0900, AKASHI Takahiro wrote: > On 09/30/2015 11:49 AM, Li Bin wrote: > >When function graph tracer is enabled, the following operation > >will trigger panic: > > > >mount -t debugfs nodev /sys/kernel > >echo next_tgid > /sys/kernel/tracing/set_ftrace_filter > >ec

Re: [PATCH] arm64: ftrace: fix function_graph tracer panic

2015-09-30 Thread AKASHI Takahiro
On 09/30/2015 11:49 AM, Li Bin wrote: When function graph tracer is enabled, the following operation will trigger panic: mount -t debugfs nodev /sys/kernel echo next_tgid > /sys/kernel/tracing/set_ftrace_filter echo function_graph > /sys/kernel/tracing/current_tracer ls /proc/ [ cut

[PATCH] arm64: ftrace: fix function_graph tracer panic

2015-09-29 Thread Li Bin
When function graph tracer is enabled, the following operation will trigger panic: mount -t debugfs nodev /sys/kernel echo next_tgid > /sys/kernel/tracing/set_ftrace_filter echo function_graph > /sys/kernel/tracing/current_tracer ls /proc/ [ cut here ] [ 198.501417] Unabl